{"id":2185,"date":"2026-03-23T08:51:00","date_gmt":"2026-03-23T08:51:00","guid":{"rendered":"https:\/\/yawei-powertransformer.com\/?post_type=product&#038;p=2185"},"modified":"2026-03-23T08:54:39","modified_gmt":"2026-03-23T08:54:39","slug":"1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v","status":"publish","type":"product","link":"https:\/\/yawei-powertransformer.com\/de\/manufacturer\/1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v\/","title":{"rendered":"1250 kVA Dreiphasen-Abspanntransformator | \u00d6lgekapselt 11kV\/33kV bis 400V"},"content":{"rendered":"<p data-start=\"214\" data-end=\"645\">The 1250\u202fkVA <a href=\"https:\/\/yawei-powertransformer.com\/Wholesale\/distribution-transformers\/\">three-phase step-down distribution transformer<\/a> is an industrial-grade, oil-immersed transformer designed for medium- and low-voltage power distribution in industrial, commercial, utility, and infrastructure projects. Engineered for high efficiency, reliable performance, and long service life, it converts 11\u202fkV\/33\u202fkV to 400\u202fV, suitable for indoor, outdoor, or substation installations worldwide.<\/p>\n<hr data-start=\"647\" data-end=\"650\" \/>\n<h2 data-section-id=\"11dlryw\" data-start=\"652\" data-end=\"676\">\ud83d\udd39 Key Specifications<\/h2>\n<table style=\"border-collapse: collapse; width: 97.1698%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et2\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Parameter<\/th>\n<th class=\"et2\" style=\"width: 69.2%;\" width=\"565\">Details<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Rated Capacity<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">1250\u202fkVA (customizable, typical range 50\u201312,500\u202fkVA)<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Phase<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Three-Phase<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Primary Voltage<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">11\u202fkV, 22\u202fkV, 33\u202fkV (customizable)<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Secondary Voltage<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">400\u202fV, 415\u202fV, 480\u202fV, 230\u202fV, or project-specific<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Transformer Type<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Oil-Immersed, Step-Down Distribution Transformer<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Installation Type<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Indoor, outdoor, substation, pad-mounted, or enclosure-installed<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Cooling Method<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">ONAN (natural oil), optional OFAF (forced oil cooling)<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Winding Configuration<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Grounded Wye \/ Wye, Delta, or custom vector groups<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Voltage Regulation<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Off-circuit tap changer (standard); optional OLTC<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Insulation System<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Mineral oil-immersed, eco-friendly, conservator tank, breather, protective devices<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Applicable Standards<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">IEC \/ ANSI \/ IEEE \/ GB\/T<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Dimensions (L\u00d7W\u00d7H)<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Typical: 2500 \u00d7 1500 \u00d7 2200 mm (customizable)<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 30.6%;\" width=\"207\" height=\"33\">Weight<\/td>\n<td class=\"et3\" style=\"width: 69.2%;\" width=\"565\">Approx. 5,200 kg (depends on voltage and configuration)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"row\"  id=\"row-1031908656\">\n\n\t<div id=\"col-1390458292\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1770129502\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage.webp\" class=\"attachment-large size-large\" alt=\"1250 kVA medium voltage step-down oil-filled transformer by Yawei Transformer, custom voltage options, designed for industrial, utility, and commercial power distribution\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Medium-Voltage-Step-Down-Transformer-Oil-Filled-Custom-Voltage-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1770129502 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-431084674\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1057993333\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation.webp\" class=\"attachment-large size-large\" alt=\"1250 kVA power distribution transformer by Yawei Transformer, suitable for indoor, outdoor, and substation installations in industrial, utility, and commercial applications\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Power-Distribution-Transformer-Indoor-Outdoor-Substation-Installation-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1057993333 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-466246769\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_920272576\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling.webp\" class=\"attachment-large size-large\" alt=\"1250 kVA industrial and utility three-phase distribution transformer by Yawei Transformer, oil-immersed with ONAN\/OFAF cooling, for medium- and low-voltage applications\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Industrial-Utility-Transformer-Oil-Immersed-ONANOFAF-Cooling-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_920272576 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<h2 data-section-id=\"1j9b4qc\" data-start=\"1648\" data-end=\"1669\">\ud83d\udd39 Design Features<\/h2>\n<ul data-start=\"1671\" data-end=\"2382\">\n<li data-section-id=\"age0ad\" data-start=\"1671\" data-end=\"1767\"><strong data-start=\"1673\" data-end=\"1698\">High-Efficiency Core:<\/strong> CRGO silicon steel laminated core reduces no-load and load losses.<\/li>\n<li data-section-id=\"1wkv07p\" data-start=\"1768\" data-end=\"1870\"><strong data-start=\"1770\" data-end=\"1798\">Heavy-Duty Construction:<\/strong> Steel tank with anti-corrosion coating suitable for outdoor exposure.<\/li>\n<li data-section-id=\"hsqj72\" data-start=\"1871\" data-end=\"1982\"><strong data-start=\"1873\" data-end=\"1909\">Flexible Voltage Configurations:<\/strong> Wide range of primary and secondary voltages to suit various projects.<\/li>\n<li data-section-id=\"yolsz\" data-start=\"1983\" data-end=\"2079\"><strong data-start=\"1985\" data-end=\"2013\">Advanced Cooling System:<\/strong> ONAN for standard loads; optional OFAF for high-load operation.<\/li>\n<li data-section-id=\"sz7cnt\" data-start=\"2080\" data-end=\"2176\"><strong data-start=\"2082\" data-end=\"2109\">Precision Tap Changers:<\/strong> Off-circuit or On-Load Tap Changer for exact voltage regulation.<\/li>\n<li data-section-id=\"56qod0\" data-start=\"2177\" data-end=\"2285\"><strong data-start=\"2179\" data-end=\"2207\">Eco-Friendly Insulation:<\/strong> Mineral oil system with conservator tank, breather, and protective devices.<\/li>\n<li data-section-id=\"1pko9mv\" data-start=\"2286\" data-end=\"2382\"><strong data-start=\"2288\" data-end=\"2313\">Custom Vector Groups:<\/strong> Delta or Wye configurations to meet specific network requirements.<\/li>\n<\/ul>\n<hr data-start=\"2384\" data-end=\"2387\" \/>\n<h2 data-section-id=\"lpo6wj\" data-start=\"2389\" data-end=\"2422\">\ud83d\udd39 Testing &amp; Quality Assurance<\/h2>\n<p data-start=\"2424\" data-end=\"2534\">Every <strong data-start=\"2430\" data-end=\"2454\">1250\u202fkVA transformer<\/strong> undergoes <strong data-start=\"2465\" data-end=\"2498\">comprehensive factory testing<\/strong> to ensure performance and safety:<\/p>\n<ul data-start=\"2536\" data-end=\"2852\">\n<li data-section-id=\"1lr4phn\" data-start=\"2536\" data-end=\"2602\">Routine and type tests per <strong data-start=\"2565\" data-end=\"2600\">IEC, ANSI, IEEE, GB\/T standards<\/strong><\/li>\n<li data-section-id=\"1fo4scb\" data-start=\"2603\" data-end=\"2649\">Dielectric and insulation resistance tests<\/li>\n<li data-section-id=\"8069dx\" data-start=\"2650\" data-end=\"2692\">Load loss and no-load loss measurement<\/li>\n<li data-section-id=\"1uks9jz\" data-start=\"2693\" data-end=\"2742\">Temperature rise and cooling efficiency tests<\/li>\n<li data-section-id=\"48z4i2\" data-start=\"2743\" data-end=\"2770\">Noise level measurement<\/li>\n<li data-section-id=\"app9na\" data-start=\"2771\" data-end=\"2813\">Visual inspection and oil leak testing<\/li>\n<li data-section-id=\"1cop6gl\" data-start=\"2814\" data-end=\"2852\">ONAN and OFAF cooling verification<\/li>\n<\/ul>\n<blockquote data-start=\"2854\" data-end=\"2962\">\n<p data-start=\"2856\" data-end=\"2962\">All transformers come with complete <strong data-start=\"2892\" data-end=\"2939\">test reports, datasheets, and certification<\/strong> for global projects.<\/p>\n<\/blockquote>\n<p data-start=\"2856\" data-end=\"2962\"><span style=\"font-size: 120%;\"><a href=\"https:\/\/yawei-powertransformer.com\/powering-the-future-sichuan-yaweis-chengdu-manufacturing-base-and-global-energy-vision\/\">Read More:Powering the Future: Sichuan Yawei\u2019s Chengdu Manufacturing Base and Global Energy Vision<\/a><\/span><\/p>\n<hr data-start=\"2964\" data-end=\"2967\" \/>\n<h2 data-section-id=\"1dmlpk4\" data-start=\"2969\" data-end=\"2994\">\ud83d\udd39 Dimensions &amp; Weight<\/h2>\n<ul data-start=\"2996\" data-end=\"3270\">\n<li data-section-id=\"a39fgk\" data-start=\"2996\" data-end=\"3091\"><strong data-start=\"2998\" data-end=\"3029\">Typical Dimensions (L\u00d7W\u00d7H):<\/strong> 2500 \u00d7 1500 \u00d7 2200 mm (can vary depending on configuration)<\/li>\n<li data-section-id=\"19bxm2j\" data-start=\"3092\" data-end=\"3164\"><strong data-start=\"3094\" data-end=\"3105\">Weight:<\/strong> ~5,200\u202fkg depending on voltage, cooling, and accessories<\/li>\n<li data-section-id=\"un0277\" data-start=\"3165\" data-end=\"3270\">Designed for <strong data-start=\"3180\" data-end=\"3215\">safe transport and installation<\/strong>, including lifting lugs and base mounting provisions<\/li>\n<\/ul>\n<hr data-start=\"3272\" data-end=\"3275\" \/>\n<h2 data-section-id=\"1rf9e9e\" data-start=\"3277\" data-end=\"3303\">\ud83d\udd39 Typical Applications<\/h2>\n<ul data-start=\"3305\" data-end=\"3722\">\n<li data-section-id=\"qpaxkh\" data-start=\"3305\" data-end=\"3391\"><strong data-start=\"3307\" data-end=\"3333\">Industrial Facilities:<\/strong> Manufacturing plants, heavy machinery, production lines<\/li>\n<li data-section-id=\"121qn44\" data-start=\"3392\" data-end=\"3461\"><strong data-start=\"3394\" data-end=\"3419\">Commercial Buildings:<\/strong> Offices, malls, hospitals, data centers<\/li>\n<li data-section-id=\"2y2l95\" data-start=\"3462\" data-end=\"3552\"><strong data-start=\"3464\" data-end=\"3485\">Utility Networks:<\/strong> Urban and rural substations, medium-voltage distribution systems<\/li>\n<li data-section-id=\"1ad23iw\" data-start=\"3553\" data-end=\"3634\"><strong data-start=\"3555\" data-end=\"3585\">Renewable Energy Projects:<\/strong> Solar farms, wind farms, hybrid energy systems<\/li>\n<li data-section-id=\"1x3dzbk\" data-start=\"3635\" data-end=\"3722\"><strong data-start=\"3637\" data-end=\"3665\">Infrastructure Projects:<\/strong> Airports, ports, transportation hubs, public utilities<\/li>\n<\/ul>\n<hr data-start=\"3724\" data-end=\"3727\" \/>\n<h2 data-section-id=\"d369us\" data-start=\"3729\" data-end=\"3751\">\ud83d\udd39 Price &amp; Ordering<\/h2>\n<p data-start=\"3753\" data-end=\"3819\">The <strong data-start=\"3757\" data-end=\"3805\">price of a 1250\u202fkVA oil-immersed transformer<\/strong> depends on:<\/p>\n<ul data-start=\"3821\" data-end=\"4020\">\n<li data-section-id=\"97gxev\" data-start=\"3821\" data-end=\"3868\">Primary and secondary voltage configuration<\/li>\n<li data-section-id=\"69g2qr\" data-start=\"3869\" data-end=\"3900\">Cooling type (ONAN or OFAF)<\/li>\n<li data-section-id=\"xujhug\" data-start=\"3901\" data-end=\"3943\">Tap changer type (Off-Circuit or OLTC)<\/li>\n<li data-section-id=\"imccul\" data-start=\"3944\" data-end=\"3985\">Vector group and optional accessories<\/li>\n<li data-section-id=\"xpmql3\" data-start=\"3986\" data-end=\"4020\">Shipping location and quantity<\/li>\n<\/ul>\n<blockquote data-start=\"4022\" data-end=\"4240\">\n<p data-start=\"4024\" data-end=\"4240\"><strong data-start=\"4024\" data-end=\"4047\">Contact us directly<\/strong> for a competitive quotation including <strong data-start=\"4086\" data-end=\"4144\">technical specifications, shipping cost, and lead time<\/strong>. Factory-direct supply ensures <strong data-start=\"4176\" data-end=\"4192\">best pricing<\/strong> for bulk orders or project-based procurement.<\/p>\n<\/blockquote>\n<p data-start=\"4024\" data-end=\"4240\"><span style=\"font-size: 120%;\"><a href=\"https:\/\/yawei-powertransformer.com\/manufacturer\/1000-kva-distribution-transformer-manufacturer-oil-immersed-11kv-33kv-to-400v-power-transformer-supplier\/\">Read More:1000 kVA Distribution Transformer Manufacturer | Oil-Immersed 11kV\/33kV to 400V Power Transformer Supplier<\/a><\/span><\/p>\n<div class=\"row\"  id=\"row-190751400\">\n\n\t<div id=\"col-332481924\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_607873350\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer.webp\" class=\"attachment-large size-large\" alt=\"1250 kVA high-efficiency distribution transformer by Yawei Transformer, oil-immersed, suitable for industrial, commercial, and utility power distribution\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Transformer-Manufacturer-High-Efficiency-Distribution-Transformer-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_607873350 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1213371440\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_70554993\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions.webp\" class=\"attachment-large size-large\" alt=\"1250 kVA oil-immersed transformer by Yawei Transformer, custom medium voltage power solutions for industrial, utility, and commercial applications\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Immersed-Transformer-Custom-Medium-Voltage-Power-Solutions-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_70554993 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-35772068\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_557247900\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution.webp\" class=\"attachment-large size-large\" alt=\"1250 kVA oil-filled distribution transformer by Yawei Transformer, 11kV\/33kV to 400V step-down solution for industrial, utility, and commercial power distribution\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Oil-Filled-Distribution-Transformer-11kV33kV-to-400V-Step-Down-Solution-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_557247900 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<h2 data-section-id=\"zmn7bb\" data-start=\"4247\" data-end=\"4280\">\ud83d\udd39 Why Choose This Transformer<\/h2>\n<ul data-start=\"4282\" data-end=\"4717\">\n<li data-section-id=\"1noo7gy\" data-start=\"4282\" data-end=\"4362\">Customizable design for <strong data-start=\"4308\" data-end=\"4360\">industrial, commercial, and utility applications<\/strong><\/li>\n<li data-section-id=\"1l3sw32\" data-start=\"4363\" data-end=\"4437\">High-efficiency oil-immersed transformer for <strong data-start=\"4410\" data-end=\"4435\">long-term reliability<\/strong><\/li>\n<li data-section-id=\"19xwfhm\" data-start=\"4438\" data-end=\"4502\">International standard compliance: <strong data-start=\"4475\" data-end=\"4500\">IEC, ANSI, IEEE, GB\/T<\/strong><\/li>\n<li data-section-id=\"1bepwwh\" data-start=\"4503\" data-end=\"4569\">Suitable for <strong data-start=\"4518\" data-end=\"4567\">indoor, outdoor, and substation installations<\/strong><\/li>\n<li data-section-id=\"11lt2lk\" data-start=\"4570\" data-end=\"4650\">Optional features: OLTC, OFAF, special vector groups, and protective devices<\/li>\n<li data-section-id=\"1gdb4l6\" data-start=\"4651\" data-end=\"4717\">Factory-direct pricing, technical support, and global shipping<\/li>\n<\/ul>\n<hr data-start=\"4719\" data-end=\"4722\" \/>\n<h2 data-section-id=\"a4pcz2\" data-start=\"4724\" data-end=\"4744\">\ud83d\udd39 Key Advantages<\/h2>\n<ul data-start=\"4746\" data-end=\"5175\">\n<li data-section-id=\"c1dl20\" data-start=\"4746\" data-end=\"4834\"><strong data-start=\"4748\" data-end=\"4779\">High Efficiency &amp; Low Loss:<\/strong> Energy-saving design with optimized core and winding<\/li>\n<li data-section-id=\"15iuji0\" data-start=\"4835\" data-end=\"4927\"><strong data-start=\"4837\" data-end=\"4862\">Durable Construction:<\/strong> Heavy-duty tank, corrosion-resistant, reliable for outdoor use<\/li>\n<li data-section-id=\"1spe54z\" data-start=\"4928\" data-end=\"5013\"><strong data-start=\"4930\" data-end=\"4957\">Flexible Configuration:<\/strong> Voltage, tap changers, and vector groups customizable<\/li>\n<li data-section-id=\"14wezo\" data-start=\"5014\" data-end=\"5093\"><strong data-start=\"5016\" data-end=\"5037\">Reliable Cooling:<\/strong> ONAN\/OFAF ensures optimal performance under full load<\/li>\n<li data-section-id=\"6rbmgk\" data-start=\"5094\" data-end=\"5175\"><strong data-start=\"5096\" data-end=\"5118\">Global Compliance:<\/strong> Meets international standards for diverse applications<\/li>\n<\/ul>\n<hr data-start=\"5177\" data-end=\"5180\" \/>\n<h2 data-section-id=\"9mpt0e\" data-start=\"5182\" data-end=\"5220\">\ud83d\udd39 FAQ \u2013 Frequently Asked Questions<\/h2>\n<p data-start=\"5222\" data-end=\"5462\"><strong data-start=\"5222\" data-end=\"5274\">Q1: What is the price of a 1250\u202fkVA transformer?<\/strong><br data-start=\"5274\" data-end=\"5277\" \/>A1: The price depends on your <strong data-start=\"5307\" data-end=\"5378\">voltage configuration, cooling method, tap changer, and accessories<\/strong>. Contact us for a <strong data-start=\"5397\" data-end=\"5423\">personalized quotation<\/strong> with shipping and lead time details.<\/p>\n<p data-start=\"5464\" data-end=\"5671\"><strong data-start=\"5464\" data-end=\"5515\">Q2: Can this transformer be installed outdoors?<\/strong><br data-start=\"5515\" data-end=\"5518\" \/>A2: Yes, it is designed for <strong data-start=\"5546\" data-end=\"5593\">indoor, outdoor, or substation installation<\/strong>. Outdoor units include anti-corrosion coating and weatherproof accessories.<\/p>\n<p data-start=\"5673\" data-end=\"5923\"><strong data-start=\"5673\" data-end=\"5728\">Q3: How is shipping handled for large transformers?<\/strong><br data-start=\"5728\" data-end=\"5731\" \/>A3: The transformer is shipped <strong data-start=\"5762\" data-end=\"5780\">factory-direct<\/strong> with secure packaging and lifting provisions. Large units can be transported via <strong data-start=\"5862\" data-end=\"5886\">container or flatbed<\/strong> depending on size and destination.<\/p>\n<p data-start=\"5925\" data-end=\"6123\"><strong data-start=\"5925\" data-end=\"5953\">Q4: Is there a warranty?<\/strong><br data-start=\"5953\" data-end=\"5956\" \/>A4: Yes, all transformers come with a <strong data-start=\"5994\" data-end=\"6028\">standard 12\u201324 months warranty<\/strong> covering manufacturing defects and material faults. Extended warranty options are available.<\/p>\n<p data-start=\"6125\" data-end=\"6326\"><strong data-start=\"6125\" data-end=\"6167\">Q5: Can the transformer be customized?<\/strong><br data-start=\"6167\" data-end=\"6170\" \/>A5: Absolutely. <strong data-start=\"6186\" data-end=\"6279\">Primary\/secondary voltages, tap changers, vector groups, cooling methods, and accessories<\/strong> can be customized for your specific project.<\/p>\n<hr data-start=\"6328\" data-end=\"6331\" \/>\n<h2 data-section-id=\"2ddi8v\" data-start=\"6333\" data-end=\"6373\">\ud83d\udd39 Call to Action \u2013 Get a Quote Today<\/h2>\n<p data-start=\"6375\" data-end=\"6469\">Looking for a <strong data-start=\"6389\" data-end=\"6449\">high-quality 1250\u202fkVA oil-immersed step-down transformer<\/strong> for your project?<\/p>\n<ul data-start=\"6471\" data-end=\"6664\">\n<li data-section-id=\"10jeuk2\" data-start=\"6471\" data-end=\"6515\">Custom voltage and configuration options<\/li>\n<li data-section-id=\"1s6zuiu\" data-start=\"6516\" data-end=\"6561\">Factory-direct pricing and fast lead time<\/li>\n<li data-section-id=\"1efflcx\" data-start=\"6562\" data-end=\"6619\">Full technical documentation and testing certificates<\/li>\n<li data-section-id=\"11iispz\" data-start=\"6620\" data-end=\"6664\">Global delivery and installation support<\/li>\n<\/ul>\n<p data-start=\"6666\" data-end=\"6780\"><strong data-start=\"6666\" data-end=\"6693\">Request a quotation now<\/strong> and get <strong data-start=\"6702\" data-end=\"6761\">technical drawings, datasheets, and a competitive price<\/strong> within 24 hours.<\/p>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f280-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"280\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/de\/wp-json\/wp\/v2\/product\/2185#wpcf7-f280-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"280\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.4\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f280-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class='custom_contact_style'>\n\t<div class=\"row row-small\">\n\t\t<div class=\"col medium-6 small-12 large-6\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Name*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"col medium-6 small-12 large-6\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"E-mail*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class='cus_contact_form_bottom'>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Phone\" value=\"\" type=\"text\" name=\"your-phone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class='cus_contact_form_bottom'>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Country\" value=\"\" type=\"text\" name=\"your-country\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Message *\" name=\"your-message\"><\/textarea><\/span>\n\t<\/p>\n\t<div style=\"margin-bottom:10px;\">\n\t\t<p><span class=\"wpcf7-form-control-wrap kc_captcha cf7ic-toggle\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" style=\"display: none;\"><span class=\"cf7ic_instructions\">Please prove you are human by selecting the<span> heart<\/span>.<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"kc_human\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M415 24c-53 0-103 42-127 65-24-23-74-65-127-65C70 24 16 77 16 166c0 72 67 133 69 135l187 181c9 8 23 8 32 0l187-180c2-3 69-64 69-136 0-89-54-142-145-142z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path fill=\"currentColor\" d=\"M500 168h-55l-8-21a127 127 0 00-120-83H195a127 127 0 00-120 83l-8 21H12c-8 0-14 8-11 16l8 24a12 12 0 0011 8h29a64 64 0 00-33 56v48c0 16 6 31 16 42v62c0 13 11 24 24 24h48c13 0 24-11 24-24v-40h256v40c0 13 11 24 24 24h48c13 0 24-11 24-24v-62c10-11 16-26 16-42v-48c0-24-13-45-33-56h29a12 12 0 0011-8l8-24c3-8-3-16-11-16zm-365 2c9-25 33-42 60-42h122c27 0 51 17 60 42l15 38H120l15-38zM88 328a32 32 0 010-64c18 0 48 30 48 48s-30 16-48 16zm336 0c-18 0-48 2-48-16s30-48 48-48 32 14 32 32-14 32-32 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data-flickity-options='{\"imagesLoaded\": true, \"groupCells\": \"100%\", \"dragThreshold\" : 5, \"cellAlign\": \"left\",\"wrapAround\": true,\"prevNextButtons\": true,\"percentPosition\": true,\"pageDots\": false, \"rightToLeft\": false, \"autoPlay\" : false}' >\n\n  <div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/step-up-vs-step-down-transformers-the-definitive-guide-for-global-power-infrastructure\/\" class=\"plain\" aria-label=\"Step-Up vs. Step-Down Transformers: The Definitive Guide for Global Power Infrastructure\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"127\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Step-Up-vs.-Step-Down-Transformers-The-Definitive-Guide-for-Global-Power-Infrastructure-300x127.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Step up vs step down transformers engineering guide overview banner by Yawei Transformer\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Step-Up-vs.-Step-Down-Transformers-The-Definitive-Guide-for-Global-Power-Infrastructure-300x127.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Step-Up-vs.-Step-Down-Transformers-The-Definitive-Guide-for-Global-Power-Infrastructure-768x326.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Step-Up-vs.-Step-Down-Transformers-The-Definitive-Guide-for-Global-Power-Infrastructure-18x8.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Step-Up-vs.-Step-Down-Transformers-The-Definitive-Guide-for-Global-Power-Infrastructure-600x255.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Step-Up-vs.-Step-Down-Transformers-The-Definitive-Guide-for-Global-Power-Infrastructure.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/step-up-vs-step-down-transformers-the-definitive-guide-for-global-power-infrastructure\/\" class=\"plain\">Step-Up vs. Step-Down Transformers: The Definitive Guide for Global Power Infrastructure<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tStep-Up vs. Step-Down Transformers: The Definitive Guide for Global Power Infrastructure In modern utility-scale electrical [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">22<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Mai<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/utility-scale-solar-power-transformers-the-2026-epc-engineering-guide-for-50mw-pv-bess-projects\/\" class=\"plain\" aria-label=\"Utility-Scale Solar Power Transformers: The 2026 EPC Engineering Guide for 50MW+ PV &#038; BESS Projects\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"160\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Utility-Scale-Solar-Power-Transformers-The-2026-EPC-Engineering-Guide-for-50MW-PV-BESS-Projects-300x160.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Utility-scale solar power transformer installed in a large-scale photovoltaic (PV) and battery energy storage system (BESS) project, featuring high-voltage substation infrastructure, grid-connected renewable energy equipment, and industrial solar farm engineering for 50MW+ EPC developments in North America and global renewable energy markets.\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Utility-Scale-Solar-Power-Transformers-The-2026-EPC-Engineering-Guide-for-50MW-PV-BESS-Projects-300x160.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Utility-Scale-Solar-Power-Transformers-The-2026-EPC-Engineering-Guide-for-50MW-PV-BESS-Projects-768x410.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Utility-Scale-Solar-Power-Transformers-The-2026-EPC-Engineering-Guide-for-50MW-PV-BESS-Projects-18x10.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Utility-Scale-Solar-Power-Transformers-The-2026-EPC-Engineering-Guide-for-50MW-PV-BESS-Projects-600x321.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/Utility-Scale-Solar-Power-Transformers-The-2026-EPC-Engineering-Guide-for-50MW-PV-BESS-Projects.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/utility-scale-solar-power-transformers-the-2026-epc-engineering-guide-for-50mw-pv-bess-projects\/\" class=\"plain\">Utility-Scale Solar Power Transformers: The 2026 EPC Engineering Guide for 50MW+ PV &#038; BESS Projects<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tIntroduction: Why Solar Transformers Have Become Mission-Critical Assets The economics of utility-scale solar have fundamentally [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">12<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Mai<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/grounding-transformer-the-definitive-guide-to-applications-selection-and-engineering-excellence-2026-edition\/\" class=\"plain\" aria-label=\"Grounding Transformer: The Definitive Guide to Applications, Selection, and Engineering Excellence (2026 Edition)\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/The-Complete-Guide-to-Grounding-Transformers-Advanced-Applications-Technical-Selection-Engineering-Practices-in-Modern-Power-Systems-2026-Edition-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Professional outdoor utility substation featuring a Yawei grounding transformer integrated with solar panels and wind turbines.\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/The-Complete-Guide-to-Grounding-Transformers-Advanced-Applications-Technical-Selection-Engineering-Practices-in-Modern-Power-Systems-2026-Edition-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/The-Complete-Guide-to-Grounding-Transformers-Advanced-Applications-Technical-Selection-Engineering-Practices-in-Modern-Power-Systems-2026-Edition-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/The-Complete-Guide-to-Grounding-Transformers-Advanced-Applications-Technical-Selection-Engineering-Practices-in-Modern-Power-Systems-2026-Edition-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/The-Complete-Guide-to-Grounding-Transformers-Advanced-Applications-Technical-Selection-Engineering-Practices-in-Modern-Power-Systems-2026-Edition-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/05\/The-Complete-Guide-to-Grounding-Transformers-Advanced-Applications-Technical-Selection-Engineering-Practices-in-Modern-Power-Systems-2026-Edition.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/grounding-transformer-the-definitive-guide-to-applications-selection-and-engineering-excellence-2026-edition\/\" class=\"plain\">Grounding Transformer: The Definitive Guide to Applications, Selection, and Engineering Excellence (2026 Edition)<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tIntroduction In the evolution of modern power grids, the transition from traditional fossil fuels toward [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">07<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Mai<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/2026-top-10-transformer-manufacturers-in-china\/\" class=\"plain\" aria-label=\"2026 Top 10 Transformer Manufacturers in China\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/2026-Top-10-Transformer-Manufacturers-in-China-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"2026 top 10 transformer manufacturers in China including TBEA Siemens Energy Hitachi Energy Schneider Electric Yawei Transformer and CHINT global suppliers\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/2026-Top-10-Transformer-Manufacturers-in-China-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/2026-Top-10-Transformer-Manufacturers-in-China-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/2026-Top-10-Transformer-Manufacturers-in-China-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/2026-Top-10-Transformer-Manufacturers-in-China-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/2026-Top-10-Transformer-Manufacturers-in-China.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/2026-top-10-transformer-manufacturers-in-china\/\" class=\"plain\">2026 Top 10 Transformer Manufacturers in China<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tDetailed Overview of China\u2019s Top 10 Transformer Suppliers 2026 Amid the in-depth penetration of the [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">28<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Apr.<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/transformer-impedance-power-factor-short-circuit-performance\/\" class=\"plain\" aria-label=\"Transformer Impedance, Power Factor &#038; Short-Circuit Performance\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"A modern power transformer in a substation illustrating impedance characteristics, power factor optimization, and short-circuit performance in electrical grid and industrial energy systems.\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems-1024x683.webp 1024w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Transformer-Impedance-Power-Factor-Optimization-Short-Circuit-Performance-Analysis-for-Modern-Power-Grid-Stability-and-Industrial-Energy-Systems.webp 1536w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/transformer-impedance-power-factor-short-circuit-performance\/\" class=\"plain\">Transformer Impedance, Power Factor &#038; Short-Circuit Performance<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tA Modern Engineering Perspective for Grid &amp; Industrial Applications Power transformers are not only energy [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">23<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Apr.<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/power-transformers-for-data-centers-reliable-efficient-solutions-for-north-america\/\" class=\"plain\" aria-label=\"Power Transformers for Data Centers: Reliable, Efficient Solutions for North America\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Power-Transformers-for-Data-Centers-Reliable-Efficient-Solutions-for-North-America-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Power transformers designed for data centers in North America, providing reliable and efficient electrical power distribution for critical infrastructure.\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Power-Transformers-for-Data-Centers-Reliable-Efficient-Solutions-for-North-America-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Power-Transformers-for-Data-Centers-Reliable-Efficient-Solutions-for-North-America-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Power-Transformers-for-Data-Centers-Reliable-Efficient-Solutions-for-North-America-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Power-Transformers-for-Data-Centers-Reliable-Efficient-Solutions-for-North-America-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/Power-Transformers-for-Data-Centers-Reliable-Efficient-Solutions-for-North-America.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/power-transformers-for-data-centers-reliable-efficient-solutions-for-north-america\/\" class=\"plain\">Power Transformers for Data Centers: Reliable, Efficient Solutions for North America<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tIntroduction The rapid growth of cloud computing, artificial intelligence, and hyperscale digital infrastructure is driving [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">17<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Apr.<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/international-client-visit-to-yawei-transformer-factory-in-depth-inspection-of-a-110kv-33kv-40mva-power-transformer\/\" class=\"plain\" aria-label=\"International Client Visit to Yawei Transformer Factory: In-Depth Inspection of a 110kV\/33kV 40MVA Power Transformer\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/International-Client-Visit-to-Yawei-Transformer-Factory-In-Depth-Inspection-of-a-110kV33kV-40MVA-Power-Transformer-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"International client visiting Yawei transformer factory for in-depth inspection of a 110kV\/33kV 40MVA power transformer during manufacturing and testing\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/International-Client-Visit-to-Yawei-Transformer-Factory-In-Depth-Inspection-of-a-110kV33kV-40MVA-Power-Transformer-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/International-Client-Visit-to-Yawei-Transformer-Factory-In-Depth-Inspection-of-a-110kV33kV-40MVA-Power-Transformer-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/International-Client-Visit-to-Yawei-Transformer-Factory-In-Depth-Inspection-of-a-110kV33kV-40MVA-Power-Transformer-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/International-Client-Visit-to-Yawei-Transformer-Factory-In-Depth-Inspection-of-a-110kV33kV-40MVA-Power-Transformer-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/International-Client-Visit-to-Yawei-Transformer-Factory-In-Depth-Inspection-of-a-110kV33kV-40MVA-Power-Transformer.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/international-client-visit-to-yawei-transformer-factory-in-depth-inspection-of-a-110kv-33kv-40mva-power-transformer\/\" class=\"plain\">International Client Visit to Yawei Transformer Factory: In-Depth Inspection of a 110kV\/33kV 40MVA Power Transformer<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tIntroduction: Building Trust Through Transparency In the global power transmission and distribution industry, trust is [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">16<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Apr.<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/250mva-345kv-power-transformer-for-north-america-ready-for-testing-and-shipment\/\" class=\"plain\" aria-label=\"250MVA 345kV Power Transformer for North America: Ready for Testing and Shipment\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/250MVA-345kV-Power-Transformer-for-North-America-Ready-for-Testing-and-Shipment-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"250MVA 345kV power transformer for North America ready for testing and shipment, IEEE compliant high voltage substation transformer manufactured in China\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/250MVA-345kV-Power-Transformer-for-North-America-Ready-for-Testing-and-Shipment-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/250MVA-345kV-Power-Transformer-for-North-America-Ready-for-Testing-and-Shipment-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/250MVA-345kV-Power-Transformer-for-North-America-Ready-for-Testing-and-Shipment-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/250MVA-345kV-Power-Transformer-for-North-America-Ready-for-Testing-and-Shipment-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/04\/250MVA-345kV-Power-Transformer-for-North-America-Ready-for-Testing-and-Shipment.webp 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/de\/250mva-345kv-power-transformer-for-north-america-ready-for-testing-and-shipment\/\" class=\"plain\">250MVA 345kV Power Transformer for North America: Ready for Testing and Shipment<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\tPowering Large-Scale Grids Across North America As North America continues to upgrade its transmission infrastructure, [...]\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"badge absolute top post-date badge-outline\">\n\t\t\t\t\t\t\t<div class=\"badge-inner\">\n\t\t\t\t\t\t\t\t<span class=\"post-date-day\">14<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Apr.<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p data-start=\"117\" data-end=\"756\">Dieser von Yawei Transformer hergestellte, industrietaugliche 1250-kVA-\u00d6lverteiltransformator ist f\u00fcr die Stromverteilung im Innen- und Au\u00dfenbereich sowie in Umspannwerken f\u00fcr Mittel- und Niederspannung in Industrie-, Versorgungs- und Infrastrukturprojekten konzipiert. Mit einer Nennleistung von 1250 kVA unterst\u00fctzt der Transformator eine breite Palette von Anpassungsoptionen, die flexible Prim\u00e4r- und Sekund\u00e4rspannungskonfigurationen zur Erf\u00fcllung unterschiedlicher Projektanforderungen erm\u00f6glichen. Der Transformator entspricht den IEC-, ANSI-, IEEE- und GB\/T-Normen und gew\u00e4hrleistet zuverl\u00e4ssige Leistung und langfristigen Betrieb in modernen Stromverteilungsnetzen weltweit.<\/p>\n<p data-start=\"758\" data-end=\"1853\">Nennleistung: 1250 kVA (anpassbar, typischer Bereich 50-12.500 kVA)<br data-start=\"830\" data-end=\"833\" \/>Prim\u00e4rspannung: Mittelspannungsoptionen, typischerweise 11 kV, 22 kV oder 33 kV<br data-start=\"910\" data-end=\"913\" \/>Sekund\u00e4re Spannung: Standard-Niederspannungsausg\u00e4nge, z. B. 400 V, 415 V, 480 V, oder projektspezifische Konfigurationen<br data-start=\"1028\" data-end=\"1031\" data-is-only-node=\"\" \/>Transformator-Typ: \u00d6lgef\u00fcllter, dreiphasiger Verteiltransformator<br data-start=\"1103\" data-end=\"1106\" \/>Installationsart: Innen-, Au\u00dfen-, Unterstations-, Aufstellungs- oder Geh\u00e4useinstallation<br data-start=\"1193\" data-end=\"1196\" \/>K\u00fchlungsmethode: \u00d6lumlaufk\u00fchlung, nat\u00fcrliche Konvektion (ONAN), optional \u00d6lzwangsk\u00fchlung (OFAF)<br data-start=\"1291\" data-end=\"1294\" \/>Konfiguration der Wicklung: Geerdeter Stern \/ Stern oder Dreieck; andere Schaltgruppen verf\u00fcgbar<br data-start=\"1379\" data-end=\"1382\" \/>Spannungsregelung: Au\u00dferbetrieblicher Stufenschalter (Standard); optionaler Laststufenschalter (OLTC)<br data-start=\"1477\" data-end=\"1480\" \/>Isoliersystem: Mineral\u00f6lgetr\u00e4nkte, umweltfreundliche Konstruktion mit Konservierungsbeh\u00e4lter, Entl\u00fcftung und Schutzvorrichtungen<br data-start=\"1600\" data-end=\"1603\" \/>Anwendbare Normen: IEC \/ ANSI \/ IEEE \/ GB\/T<br data-start=\"1653\" data-end=\"1656\" \/>Typische Anwendungen: Industrielle Fertigungsanlagen, kommerzielle Komplexe, Verteilungssysteme von Versorgungsunternehmen, Projekte f\u00fcr erneuerbare Energien, Umspannwerke und gro\u00df angelegte Infrastrukturanlagen<\/p>","protected":false},"featured_media":2191,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[15,39],"product_tag":[367,364,371,370,368,366,152,369,372,365],"class_list":["post-2185","product","type-product","status-publish","has-post-thumbnail","product_cat-paper-box-for-food","product_cat-distribution-transformers","product_tag-11kv-33kv-to-400v-transformer","product_tag-1250-kva-distribution-transformer","product_tag-custom-voltage-transformer","product_tag-iec-ansi-ieee-gb-t-compliant-transformer","product_tag-industrial-and-utility-transformer","product_tag-medium-voltage-to-low-voltage-transformer","product_tag-oil-immersed-power-transformer","product_tag-onan-ofaf-cooling-transformer","product_tag-substation-and-commercial-transformer","product_tag-three-phase-step-down-transformer","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1250 kVA Three-Phase Step-Down Distribution Transformer | Oil-Immersed 11kV\/33kV to 400V | Yawei Transformer<\/title>\n<meta name=\"description\" content=\"Yawei Transformer\u2019s 1250 kVA three-phase step-down distribution transformer is oil-immersed, designed for medium- and low-voltage power distribution from 11kV\/33kV to 400V. Ideal for industrial facilities, commercial buildings, utility substations, and renewable energy projects. Customizable voltages, ONAN\/OFAF cooling, IEC\/ANSI\/IEEE\/GB\/T compliant. 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Customizable voltages, ONAN\/OFAF cooling, IEC\/ANSI\/IEEE\/GB\/T compliant. Factory-direct supply with technical documentation and global shipping.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/yawei-powertransformer.com\/de\/manufacturer\/1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v\/\" \/>\n<meta property=\"og:site_name\" content=\"Electrical Power Transformer Manufacturer | 0.11\u2013500kV, 15kVA\u20131200MVA \u2013 Sichuan Yawei Transformer\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-23T08:54:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Three-Phase-Step-Down-Distribution-Transformer-Oil-Immersed-11kV33kV-to-400V.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data1\" content=\"4\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/yawei-powertransformer.com\/manufacturer\/1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v\/\",\"url\":\"https:\/\/yawei-powertransformer.com\/manufacturer\/1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v\/\",\"name\":\"1250 kVA Three-Phase Step-Down Distribution Transformer | Oil-Immersed 11kV\/33kV to 400V | Yawei Transformer\",\"isPartOf\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/manufacturer\/1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/manufacturer\/1250-kva-three-phase-step-down-distribution-transformer-oil-immersed-11kv-33kv-to-400v\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/1250-kVA-Three-Phase-Step-Down-Distribution-Transformer-Oil-Immersed-11kV33kV-to-400V.webp\",\"datePublished\":\"2026-03-23T08:51:00+00:00\",\"dateModified\":\"2026-03-23T08:54:39+00:00\",\"description\":\"Yawei Transformer\u2019s 1250 kVA three-phase step-down distribution transformer is oil-immersed, designed for medium- and low-voltage power distribution from 11kV\/33kV to 400V. Ideal for industrial facilities, commercial buildings, utility substations, and renewable energy projects. Customizable voltages, ONAN\/OFAF cooling, IEC\/ANSI\/IEEE\/GB\/T compliant. 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