{"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-1045677822\" >\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-1699306563\">\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-276589635\" 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-1342910354\">\n\n\t<div id=\"col-170833850\" 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-1751115451\" 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-489694201\" 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-276589635 {\n  width: 100%;\n}\n#text-box-276589635 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-276589635 {\n    width: 70%;\n  }\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1699306563 {\n  padding-top: 600px;\n}\n#banner-1699306563 .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-1699306563 .overlay {\n  background-color: rgba(255, 255, 255, 0.273);\n}\n#banner-1699306563 .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-550581387\">\n\n\t<div id=\"col-530942351\" 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-535448821\">\n\n\t<div id=\"col-1973373428\" 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-345493662\" >\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-451757630\">\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-38793976\" 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-38793976 {\n  width: 78%;\n}\n#text-box-38793976 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-451757630 {\n  padding-top: 300px;\n}\n#banner-451757630 .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-633850747\">\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-1064211382\" 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-1064211382 {\n  width: 80%;\n}\n#text-box-1064211382 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-633850747 {\n  padding-top: 300px;\n}\n#banner-633850747 .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-224418774\">\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-1994466755\" 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-1994466755 {\n  width: 80%;\n}\n#text-box-1994466755 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-224418774 {\n  padding-top: 300px;\n}\n#banner-224418774 .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\/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\/fr\/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\" 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\/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\/fr\/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\" 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\/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\/fr\/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\" 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\/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\/fr\/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\">Avr<\/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":3,"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 v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/\",\"url\":\"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/\",\"name\":\"Transformer kVA Calculation Formula, Examples & Selection Guide | Yawei Transformer\",\"isPartOf\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/#website\"},\"datePublished\":\"2026-03-26T06:53:05+00:00\",\"dateModified\":\"2026-03-26T08:34:04+00:00\",\"description\":\"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.\",\"breadcrumb\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/yawei-powertransformer.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Transformer KVA Calculation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/yawei-powertransformer.com\/#website\",\"url\":\"https:\/\/yawei-powertransformer.com\/\",\"name\":\"Electrical Power Transformer Manufacturer | 0.11\u2013500kV, 15kVA\u20131200MVA \u2013 Sichuan Yawei Transformer\",\"description\":\"Yawei Transformer is a professional China-based electrical power transformer manufacturer and factory, specializing in customized transformer solutions with voltage ratings from 0.11kV to 500kV and capacities from 15kVA to 1200MVA. Our products include distribution, pad-mounted, pole-mounted, dry-type, oil-immersed, and high-voltage power transformers, meeting UL, CE, and ISO standards and supplied to customers across the USA, Canada, and global markets.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/yawei-powertransformer.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\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. Ce guide explique les calculs de kVA monophas\u00e9s et triphas\u00e9s, les consid\u00e9rations relatives au facteur de puissance et les principes de s\u00e9lection des transformateurs pour les applications industrielles, utilitaires et commerciales. Fourni par Yawei Transformer.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/yawei-powertransformer.com\/fr\/transformer-kva-calculation\/","og_locale":"fr_FR","og_type":"article","og_title":"Transformer kVA Calculation Formula, Examples & Selection Guide | Yawei Transformer","og_description":"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.","og_url":"https:\/\/yawei-powertransformer.com\/fr\/transformer-kva-calculation\/","og_site_name":"Electrical Power Transformer Manufacturer | 0.11\u2013500kV, 15kVA\u20131200MVA \u2013 Sichuan Yawei Transformer","article_modified_time":"2026-03-26T08:34:04+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/","url":"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/","name":"Formule de calcul du kVA des transformateurs, exemples et guide de s\u00e9lection | Yawei Transformer","isPartOf":{"@id":"https:\/\/yawei-powertransformer.com\/#website"},"datePublished":"2026-03-26T06:53:05+00:00","dateModified":"2026-03-26T08:34:04+00:00","description":"Apprenez \u00e0 calculer la capacit\u00e9 kVA d'un transformateur \u00e0 l'aide de formules pratiques et d'exemples de charges r\u00e9elles. Ce guide explique les calculs de kVA monophas\u00e9s et triphas\u00e9s, les consid\u00e9rations relatives au facteur de puissance et les principes de s\u00e9lection des transformateurs pour les applications industrielles, utilitaires et commerciales. Fourni par Yawei Transformer.","breadcrumb":{"@id":"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/yawei-powertransformer.com\/transformer-kva-calculation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/yawei-powertransformer.com\/"},{"@type":"ListItem","position":2,"name":"Transformer KVA Calculation"}]},{"@type":"WebSite","@id":"https:\/\/yawei-powertransformer.com\/#website","url":"https:\/\/yawei-powertransformer.com\/","name":"Fabricant de transformateurs de puissance \u00e9lectrique | 0.11-500kV, 15kVA-1200MVA - Sichuan Yawei Transformer","description":"Yawei Transformer est un fabricant et une usine de transformateurs \u00e9lectriques professionnels bas\u00e9s en Chine, sp\u00e9cialis\u00e9s dans les solutions de transformation personnalis\u00e9es avec des tensions nominales de 0,11kV \u00e0 500kV et des capacit\u00e9s de 15kVA \u00e0 1200MVA. Nos produits comprennent des transformateurs de distribution, des transformateurs mont\u00e9s sur socle ou sur poteau, des transformateurs secs, des transformateurs \u00e0 bain d'huile et des transformateurs haute tension, conformes aux normes UL, CE et ISO, et fournis \u00e0 des clients aux \u00c9tats-Unis, au Canada et sur les march\u00e9s mondiaux.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/yawei-powertransformer.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/pages\/1878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/comments?post=1878"}],"version-history":[{"count":29,"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/pages\/1878\/revisions"}],"predecessor-version":[{"id":2239,"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/pages\/1878\/revisions\/2239"}],"wp:attachment":[{"href":"https:\/\/yawei-powertransformer.com\/fr\/wp-json\/wp\/v2\/media?parent=1878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}