{"id":1878,"date":"2026-03-26T06:53:05","date_gmt":"2026-03-26T06:53:05","guid":{"rendered":"https:\/\/yawei-powertransformer.com\/?page_id=1878"},"modified":"2026-03-26T08:34:04","modified_gmt":"2026-03-26T08:34:04","slug":"transformer-kva-calculation","status":"publish","type":"page","link":"https:\/\/yawei-powertransformer.com\/fr\/transformer-kva-calculation\/","title":{"rendered":"Calcul du KVA du transformateur"},"content":{"rendered":"<div class=\"slider-wrapper relative\" id=\"slider-1935024521\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{\n            \"cellAlign\": \"center\",\n            \"imagesLoaded\": true,\n            \"lazyLoad\": 1,\n            \"freeScroll\": false,\n            \"wrapAround\": true,\n            \"autoPlay\": 6000,\n            \"pauseAutoPlayOnHover\" : true,\n            \"prevNextButtons\": true,\n            \"contain\" : true,\n            \"adaptiveHeight\" : true,\n            \"dragThreshold\" : 10,\n            \"percentPosition\": true,\n            \"pageDots\": true,\n            \"rightToLeft\": false,\n            \"draggable\": true,\n            \"selectedAttraction\": 0.1,\n            \"parallax\" : 0,\n            \"friction\": 0.6        }'\n        >\n        \n\n  <div class=\"banner has-hover\" id=\"banner-1071309358\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <div class=\"bg fill bg-fill \"><\/div>\n                        <div class=\"overlay\"><\/div>            \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-1297841449\" class=\"text-box banner-layer x5 md-x5 lg-x5 y80 md-y80 lg-y80 res-text\">\n                     <div data-animate=\"flipInY\">           <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n<div class=\"is-divider divider clearfix\" style=\"margin-top:3px;margin-bottom:3px;\"><\/div>\n<h1 class=\"h-large uppercase\" style=\"text-align: left;\"><span style=\"font-size: 100%; color: #000000;\"><strong>Transformer kVA Made Simple<\/strong><\/span><\/h1>\n<p style=\"text-align: left;\" data-start=\"358\" data-end=\"440\"><span style=\"color: #000000;\"><em><span style=\"font-size: 130%;\"><strong data-start=\"383\" data-end=\"440\">Formulas and examples for accurate capacity selection<\/strong><\/span><\/em><\/span><\/p>\n<div class=\"row\"  id=\"row-2049056556\">\n\n\t<div id=\"col-1118600899\" 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<a href=\"\/contact\" class=\"button primary is-shade is-large\"  style=\"border-radius:10px;\">\n    <span>GET A TRANSFORMER QUOTE<\/span>\n  <\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-242755454\" 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\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1693944884\" 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\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"is-divider divider clearfix\" ><\/div>\n              <\/div>\n           <\/div>\n       <\/div>                     \n<style>\n#text-box-1297841449 {\n  width: 100%;\n}\n#text-box-1297841449 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-1297841449 {\n    width: 70%;\n  }\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1071309358 {\n  padding-top: 600px;\n}\n#banner-1071309358 .bg.bg-loaded {\n  background-image: url(https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2025\/12\/Transformer-kVA-Calculation-Formula-Examples-Selection-Guide-Yawei-Transformer.webp);\n}\n#banner-1071309358 .overlay {\n  background-color: rgba(255, 255, 255, 0.273);\n}\n#banner-1071309358 .bg {\n  background-position: 58% 63%;\n}\n<\/style>\n  <\/div>\n\n\n     <\/div>\n\n     <div class=\"loading-spin dark large centered\"><\/div>\n\n\t<\/div>\n\n\n<div class=\"row\"  id=\"row-931172899\">\n\n\t<div id=\"col-1600887928\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row\"  id=\"row-1520851625\">\n\n\t<div id=\"col-73504886\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n    <div id=\"tkc-calculator\">\n        <h2>Transformer kVA Calculator<\/h2>\n\n        <label>Phase Type<\/label>\n        <select id=\"tkc-phase\">\n            <option value=\"single\">Single Phase<\/option>\n            <option value=\"three\">Three Phase<\/option>\n        <\/select>\n\n        <label>Voltage (V)<\/label>\n        <input type=\"number\" id=\"tkc-voltage\" placeholder=\"e.g. 400\">\n\n        <label>Current (A)<\/label>\n        <input type=\"number\" id=\"tkc-current\" placeholder=\"e.g. 200\">\n\n        <button id=\"tkc-calc-btn\">Calculate Transformer Size<\/button>\n\n        <div id=\"tkc-resultBox\" style=\"display:none;\">\n            <div id=\"tkc-kvaResult\"><\/div>\n            <div id=\"tkc-recommendation\"><\/div>\n        <\/div>\n\n        <div class=\"tkc-formula\">\n            <strong>Formula:<\/strong><br>\n            Single Phase: kVA = (V \u00d7 I) \/ 1000<br>\n            Three Phase: kVA = (\u221a3 \u00d7 V \u00d7 I) \/ 1000\n        <\/div>\n    <\/div>\n    \n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\n  \n    <div class=\"row large-columns-4 medium-columns-3 small-columns-2 row-small slider row-slider slider-nav-reveal slider-nav-push\"  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>\n<div class=\"slider-wrapper relative\" id=\"slider-1345424436\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{\n            \"cellAlign\": \"center\",\n            \"imagesLoaded\": true,\n            \"lazyLoad\": 1,\n            \"freeScroll\": false,\n            \"wrapAround\": true,\n            \"autoPlay\": 2000,\n            \"pauseAutoPlayOnHover\" : true,\n            \"prevNextButtons\": true,\n            \"contain\" : true,\n            \"adaptiveHeight\" : true,\n            \"dragThreshold\" : 10,\n            \"percentPosition\": true,\n            \"pageDots\": true,\n            \"rightToLeft\": false,\n            \"draggable\": true,\n            \"selectedAttraction\": 0.1,\n            \"parallax\" : 0,\n            \"friction\": 0.6        }'\n        >\n        \n\n  <div class=\"banner has-hover has-parallax\" id=\"banner-1756861693\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" data-parallax=\"-1\" data-parallax-container=\".banner\" data-parallax-background>\n            <div class=\"bg fill bg-fill \"><\/div>\n                                    \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-1813163569\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n  <div class=\"icon-box testimonial-box icon-box-left text-left\">\n                <div class=\"icon-box-text p-last-0\">\n          <div class=\"star-rating\"><span style=\"width:100%\"><strong class=\"rating\"><\/strong><\/span><\/div>  \t\t\t\t<div class=\"testimonial-text line-height-small italic test_text first-reset last-reset is-italic\">\n            \n<p>The transformer we purchased performs exceptionally well. Installation was straightforward, and the support team provided valuable guidance throughout. Highly recommended!<\/p>\n          <\/div>\n          <div class=\"testimonial-meta pt-half\">\n             <strong class=\"testimonial-name test_name\">John Smith<\/strong>\n             <span class=\"testimonial-name-divider\"> \/ <\/span>             <span class=\"testimonial-company test_company\">USA<\/span>\n          <\/div>\n        <\/div>\n  <\/div>\n\n  \n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1813163569 {\n  width: 78%;\n}\n#text-box-1813163569 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1756861693 {\n  padding-top: 300px;\n}\n#banner-1756861693 .bg.bg-loaded {\n  background-image: 8011;\n}\n<\/style>\n  <\/div>\n\n\n\n  <div class=\"banner has-hover has-parallax\" id=\"banner-518673471\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" data-parallax=\"-1\" data-parallax-container=\".banner\" data-parallax-background>\n            <div class=\"bg fill bg-fill \"><\/div>\n                                    \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-812329106\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n  <div class=\"icon-box testimonial-box icon-box-left text-left\">\n                <div class=\"icon-box-text p-last-0\">\n          <div class=\"star-rating\"><span style=\"width:100%\"><strong class=\"rating\"><\/strong><\/span><\/div>  \t\t\t\t<div class=\"testimonial-text line-height-small italic test_text first-reset last-reset is-italic\">\n            \n<p>The reliability of these transformers is outstanding. We\u2019ve experienced zero issues so far and will continue to source from this company.<\/p>\n          <\/div>\n          <div class=\"testimonial-meta pt-half\">\n             <strong class=\"testimonial-name test_name\">Ahmed Khan<\/strong>\n             <span class=\"testimonial-name-divider\"> \/ <\/span>             <span class=\"testimonial-company test_company\">UAE<\/span>\n          <\/div>\n        <\/div>\n  <\/div>\n\n  \n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-812329106 {\n  width: 80%;\n}\n#text-box-812329106 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-518673471 {\n  padding-top: 300px;\n}\n#banner-518673471 .bg.bg-loaded {\n  background-image: 8011;\n}\n<\/style>\n  <\/div>\n\n\n\n  <div class=\"banner has-hover has-parallax\" id=\"banner-1206283854\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" data-parallax=\"-1\" data-parallax-container=\".banner\" data-parallax-background>\n            <div class=\"bg fill bg-fill \"><\/div>\n                                    \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-1614195290\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n  <div class=\"icon-box testimonial-box icon-box-left text-left\">\n                <div class=\"icon-box-text p-last-0\">\n          <div class=\"star-rating\"><span style=\"width:100%\"><strong class=\"rating\"><\/strong><\/span><\/div>  \t\t\t\t<div class=\"testimonial-text line-height-small italic test_text first-reset last-reset is-italic\">\n            \n<p>Fast delivery and excellent quality. The online KVA calculator helped us select the perfect model, saving us a lot of time.<\/p>\n          <\/div>\n          <div class=\"testimonial-meta pt-half\">\n             <strong class=\"testimonial-name test_name\">Maria Gonzalez<\/strong>\n             <span class=\"testimonial-name-divider\"> \/ <\/span>             <span class=\"testimonial-company test_company\">Spain<\/span>\n          <\/div>\n        <\/div>\n  <\/div>\n\n  \n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1614195290 {\n  width: 80%;\n}\n#text-box-1614195290 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1206283854 {\n  padding-top: 300px;\n}\n#banner-1206283854 .bg.bg-loaded {\n  background-image: 8011;\n}\n<\/style>\n  <\/div>\n\n\n     <\/div>\n\n     <div class=\"loading-spin dark large centered\"><\/div>\n\n\t<\/div>\n\n\n<div class=\"container section-title-container\" ><h3 class=\"section-title section-title-center\"><b><\/b><span class=\"section-title-main\" style=\"font-size:undefined%;\">Latest News<\/span><b><\/b><\/h3><\/div>\n\n  \n    <div class=\"row large-columns-4 medium-columns-3 small-columns-1 slider row-slider slider-nav-reveal slider-nav-push\"  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\" data-animate=\"fadeInLeft\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box 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:70%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/fr\/power-line-transformers-types-applications-voltage-ratings-and-how-to-choose-a-manufacturer\/\" class=\"plain\" aria-label=\"Power Line Transformers: Types, Applications, Voltage Ratings and How to Choose a Manufacturer\">\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\/10\/Power-Line-Transformers-Types-Applications-Voltage-Ratings-and-How-to-Choose-a-Manufacturer-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Power line transformers for overhead power distribution systems, including single-phase and three-phase transformers for utility applications\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/10\/Power-Line-Transformers-Types-Applications-Voltage-Ratings-and-How-to-Choose-a-Manufacturer-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/10\/Power-Line-Transformers-Types-Applications-Voltage-Ratings-and-How-to-Choose-a-Manufacturer-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/10\/Power-Line-Transformers-Types-Applications-Voltage-Ratings-and-How-to-Choose-a-Manufacturer-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/10\/Power-Line-Transformers-Types-Applications-Voltage-Ratings-and-How-to-Choose-a-Manufacturer-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/10\/Power-Line-Transformers-Types-Applications-Voltage-Ratings-and-How-to-Choose-a-Manufacturer.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\/fr\/power-line-transformers-types-applications-voltage-ratings-and-how-to-choose-a-manufacturer\/\" class=\"plain\">Power Line Transformers: Types, Applications, Voltage Ratings and How to Choose a Manufacturer<\/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\tPower line transformers play an essential role in electrical distribution networks by converting voltage levels [...]\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\">15<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Oct<\/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\" data-animate=\"fadeInLeft\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box 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:70%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/fr\/how-to-choose-a-power-transformer-manufacturer-10-key-factors-b2b-buyers-should-check-before-ordering\/\" class=\"plain\" aria-label=\"How to Choose a Power Transformer Manufacturer: 10 Key Factors B2B Buyers Should Check Before Ordering\">\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\/09\/How-to-Choose-a-Power-Transformer-Manufacturer-10-Key-Factors-B2B-Buyers-Should-Check-Before-Ordering-Yawei-Transformer-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"How to Choose a Power Transformer Manufacturer: 10 Key Factors B2B Buyers Should Check Before Ordering from Yawei Transformer\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/How-to-Choose-a-Power-Transformer-Manufacturer-10-Key-Factors-B2B-Buyers-Should-Check-Before-Ordering-Yawei-Transformer-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/How-to-Choose-a-Power-Transformer-Manufacturer-10-Key-Factors-B2B-Buyers-Should-Check-Before-Ordering-Yawei-Transformer-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/How-to-Choose-a-Power-Transformer-Manufacturer-10-Key-Factors-B2B-Buyers-Should-Check-Before-Ordering-Yawei-Transformer-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/How-to-Choose-a-Power-Transformer-Manufacturer-10-Key-Factors-B2B-Buyers-Should-Check-Before-Ordering-Yawei-Transformer-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/How-to-Choose-a-Power-Transformer-Manufacturer-10-Key-Factors-B2B-Buyers-Should-Check-Before-Ordering-Yawei-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\/fr\/how-to-choose-a-power-transformer-manufacturer-10-key-factors-b2b-buyers-should-check-before-ordering\/\" class=\"plain\">How to Choose a Power Transformer Manufacturer: 10 Key Factors B2B Buyers Should Check Before Ordering<\/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\tChoosing the right power transformer manufacturer is an important decision for utilities, EPC contractors, industrial [...]\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\">24<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Sep<\/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\" data-animate=\"fadeInLeft\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box 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:70%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/fr\/sichuan-yawei-transformer-new-manufacturing-facility-expands-production-of-transformer-and-power-distribution-equipment\/\" class=\"plain\" aria-label=\"Sichuan Yawei Transformer: New Manufacturing Facility Expands Production of Transformer and Power Distribution Equipment\">\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\/09\/Sichuan-Yawei-Transformer-New-Manufacturing-Facility-Expands-Power-Equipment-Production-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Sichuan Yawei Transformer new manufacturing facility expanding production of transformers and power distribution equipment\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/Sichuan-Yawei-Transformer-New-Manufacturing-Facility-Expands-Power-Equipment-Production-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/Sichuan-Yawei-Transformer-New-Manufacturing-Facility-Expands-Power-Equipment-Production-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/Sichuan-Yawei-Transformer-New-Manufacturing-Facility-Expands-Power-Equipment-Production-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/Sichuan-Yawei-Transformer-New-Manufacturing-Facility-Expands-Power-Equipment-Production-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/09\/Sichuan-Yawei-Transformer-New-Manufacturing-Facility-Expands-Power-Equipment-Production.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\/fr\/sichuan-yawei-transformer-new-manufacturing-facility-expands-production-of-transformer-and-power-distribution-equipment\/\" class=\"plain\">Sichuan Yawei Transformer: New Manufacturing Facility Expands Production of Transformer and Power Distribution Equipment<\/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\tSichuan Yawei Transformer is steadily expanding its manufacturing capabilities with the development of a new [...]\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\">04<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Sep<\/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\" data-animate=\"fadeInLeft\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box 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:70%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/yawei-powertransformer.com\/fr\/jsyw-transformer-power-transformer-and-pad-mounted-transformer-solutions-for-global-power-distribution\/\" class=\"plain\" aria-label=\"JSYW Transformer: Power Transformer and Pad Mounted Transformer Solutions for Global Power Distribution\">\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\/08\/jsyw\u2011yawei\u2011three\u2011phase\u2011pad\u2011mounted\u2011transformer\u2011ansi\u2011ieee\u2011factory\u2011shipment\u2011photo-300x200.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"JSYW Pad Mounted Transformer three phase ANSI IEEE distribution transformer factory shipment\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/08\/jsyw\u2011yawei\u2011three\u2011phase\u2011pad\u2011mounted\u2011transformer\u2011ansi\u2011ieee\u2011factory\u2011shipment\u2011photo-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/08\/jsyw\u2011yawei\u2011three\u2011phase\u2011pad\u2011mounted\u2011transformer\u2011ansi\u2011ieee\u2011factory\u2011shipment\u2011photo-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/08\/jsyw\u2011yawei\u2011three\u2011phase\u2011pad\u2011mounted\u2011transformer\u2011ansi\u2011ieee\u2011factory\u2011shipment\u2011photo-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/08\/jsyw\u2011yawei\u2011three\u2011phase\u2011pad\u2011mounted\u2011transformer\u2011ansi\u2011ieee\u2011factory\u2011shipment\u2011photo-600x400.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/08\/jsyw\u2011yawei\u2011three\u2011phase\u2011pad\u2011mounted\u2011transformer\u2011ansi\u2011ieee\u2011factory\u2011shipment\u2011photo.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\/fr\/jsyw-transformer-power-transformer-and-pad-mounted-transformer-solutions-for-global-power-distribution\/\" class=\"plain\">JSYW Transformer: Power Transformer and Pad Mounted Transformer Solutions for Global Power Distribution<\/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 Choosing the right transformer manufacturer is an important decision for utilities, industrial facilities, commercial [...]\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\">20<\/span><br>\n\t\t\t\t\t\t\t\t<span class=\"post-date-month is-xsmall\">Ao\u00fbt<\/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\n<p><iframe src=\"https:\/\/www.google.com\/maps\/embed?pb=!1m18!1m12!1m3!1d3442.8545055097147!2d103.89776507653906!3d30.355084603784157!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x36ef97c28e8fda99%3A0x711dc8c53030ca6e!2s280%20Qingliang%20E%20Rd%2C%20Xin%20Jin%20Xian%2C%20Cheng%20Du%20Shi%2C%20Si%20Chuan%20Sheng%2C%20China%2C%20611435!5e0!3m2!1sen!2sus!4v1774507262191!5m2!1sen!2sus\" width=\"100%\" height=\"500\" style=\"border:0;\" allowfullscreen=\"\" loading=\"lazy\" referrerpolicy=\"no-referrer-when-downgrade\"><\/iframe><br \/>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-1878","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Transformer kVA Calculation Formula, Examples &amp; Selection Guide | Yawei Transformer<\/title>\n<meta name=\"description\" content=\"Learn how to calculate transformer kVA capacity using practical formulas and real load examples. This guide explains single-phase and three-phase kVA calculations, power factor considerations, and transformer selection principles for industrial, utility, and commercial applications. Provided by Yawei Transformer.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yawei-powertransformer.com\/fr\/transformer-kva-calculation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transformer kVA Calculation Formula, Examples &amp; Selection Guide | Yawei Transformer\" \/>\n<meta property=\"og:description\" content=\"Learn how to calculate transformer kVA capacity using practical formulas and real load examples. This guide explains single-phase and three-phase kVA calculations, power factor considerations, and transformer selection principles for industrial, utility, and commercial applications. Provided by Yawei Transformer.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/yawei-powertransformer.com\/fr\/transformer-kva-calculation\/\" \/>\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=\"2026-03-26T08:34:04+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Formule de calcul du kVA des transformateurs, exemples et guide de s\u00e9lection | Yawei Transformer","description":"Apprenez \u00e0 calculer la capacit\u00e9 kVA d'un transformateur \u00e0 l'aide de formules pratiques et d'exemples de charges r\u00e9elles. 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