{"id":37408,"date":"2026-07-07T08:28:57","date_gmt":"2026-07-07T08:28:57","guid":{"rendered":"https:\/\/dinghongtransformer.com\/?post_type=product&#038;p=37408"},"modified":"2026-07-14T04:06:40","modified_gmt":"2026-07-14T04:06:40","slug":"6-38-5kv-oil-immersed-distribution-transformer","status":"publish","type":"product","link":"https:\/\/dinghongtransformer.com\/ru\/product\/6-38-5kv-oil-immersed-distribution-transformer\/","title":{"rendered":"6\u201338.5kV Oil-immersed Distribution Transformer"},"content":{"rendered":"\n<style>\n\/* ===============================\n   DHDL Product Anchor Navigation\n   Compact Version - No Outer Background\n=============================== *\/\n.dhdl-product-anchor-module {\n  --blue: #0b84d8;\n  --blue-dark: #006fb8;\n  --border: #dfeaf5;\n  --soft: #f5f8fc;\n  --white: #ffffff;\n  width: 100%;\n  padding: 18px 0 28px;\n  background: transparent;\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-product-anchor-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-product-anchor-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-product-anchor {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: 14px;\n  padding: 12px 14px;\n  background: #ffffff;\n  border: 1px solid var(--border);\n  border-radius: 22px;\n  box-shadow: 0 8px 24px rgba(7, 20, 42, 0.05);\n}\n\n.dhdl-product-anchor-links {\n  display: flex;\n  align-items: center;\n  gap: 10px;\n  flex: 1 1 auto;\n  min-width: 0;\n  overflow-x: auto;\n  scrollbar-width: none;\n  -webkit-overflow-scrolling: touch;\n}\n\n.dhdl-product-anchor-links::-webkit-scrollbar {\n  display: none;\n}\n\n.dhdl-product-anchor a {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  min-height: 46px;\n  padding: 0 18px;\n  border-radius: 14px;\n  background: var(--soft);\n  border: 1px solid var(--border);\n  color: var(--blue-dark);\n  font-size: 15px;\n  font-weight: 900;\n  line-height: 1;\n  letter-spacing: 0.1px;\n  text-decoration: none !important;\n  white-space: nowrap;\n  flex: 0 0 auto;\n  transition: all 0.22s ease;\n}\n\n.dhdl-product-anchor a:hover {\n  background: #eaf4fd;\n  border-color: #b9d9f2;\n  color: var(--blue-dark);\n  transform: translateY(-1px);\n}\n\n.dhdl-product-anchor .dhdl-anchor-inquiry {\n  flex: 0 0 auto;\n  min-width: 132px;\n  background: var(--blue);\n  border-color: var(--blue);\n  color: #ffffff;\n  box-shadow: 0 8px 18px rgba(11, 132, 216, 0.22);\n}\n\n.dhdl-product-anchor .dhdl-anchor-inquiry:hover {\n  background: var(--blue-dark);\n  border-color: var(--blue-dark);\n  color: #ffffff;\n}\n\n\/* Anchor offset *\/\n#dhdl-product-overview,\n#dhdl-product-specifications,\n#dhdl-product-parameters,\n#dhdl-product-features,\n#dhdl-product-applications,\n#dhdl-product-factory,\n#dhdl-product-faq,\n#dhdl-product-inquiry {\n  scroll-margin-top: 140px;\n}\n\n\/* Tablet *\/\n@media (max-width: 1024px) {\n  .dhdl-product-anchor {\n    padding: 12px;\n    gap: 12px;\n  }\n\n  .dhdl-product-anchor a {\n    min-height: 44px;\n    padding: 0 16px;\n    font-size: 14px;\n  }\n\n  .dhdl-product-anchor .dhdl-anchor-inquiry {\n    min-width: 120px;\n  }\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-product-anchor-module {\n    padding: 14px 0 22px;\n  }\n\n  .dhdl-product-anchor-wrap {\n    padding: 0 14px;\n  }\n\n  .dhdl-product-anchor {\n    display: block;\n    padding: 12px;\n    border-radius: 18px;\n  }\n\n  .dhdl-product-anchor-links {\n    gap: 10px;\n    padding-bottom: 10px;\n  }\n\n  .dhdl-product-anchor a {\n    min-height: 42px;\n    padding: 0 16px;\n    font-size: 14px;\n    border-radius: 12px;\n  }\n\n  .dhdl-product-anchor .dhdl-anchor-inquiry {\n    width: 100%;\n    min-width: 0;\n  }\n}\n<\/style>\n\n<div class=\"dhdl-product-anchor-module\">\n  <div class=\"dhdl-product-anchor-wrap\">\n    <nav class=\"dhdl-product-anchor\" aria-label=\"Product page navigation\">\n      <div class=\"dhdl-product-anchor-links\">\n        <a href=\"#dhdl-product-overview\">Overview<\/a>\n        <a href=\"#dhdl-product-specifications\">Specifications<\/a>\n        <a href=\"#dhdl-product-parameters\">Parameters<\/a>\n        <a href=\"#dhdl-product-features\">Features<\/a>\n        <a href=\"#dhdl-product-applications\">Applications<\/a>\n        <a href=\"#dhdl-product-factory\">Factory Test<\/a>\n        <a href=\"#dhdl-product-faq\">FAQ<\/a>\n      <\/div>\n\n      <a class=\"dhdl-anchor-inquiry\" href=\"#dhdl-product-inquiry\">Inquiry<\/a>\n    <\/nav>\n  <\/div>\n<\/div>\n\n<script>\ndocument.addEventListener(\"click\", function(e) {\n  var link = e.target.closest(\".dhdl-product-anchor a\");\n  if (!link) return;\n\n  var href = link.getAttribute(\"href\");\n  if (!href || href.charAt(0) !== \"#\") return;\n\n  var target = document.querySelector(href);\n  if (!target) return;\n\n  e.preventDefault();\n\n  var headerOffset = 135;\n  var targetTop = target.getBoundingClientRect().top + window.pageYOffset - headerOffset;\n\n  window.scrollTo({\n    top: targetTop,\n    behavior: \"smooth\"\n  });\n\n  history.replaceState(null, null, href);\n});\n<\/script>\n\n\n\n<style>\n\/* ===============================\n   DHDL Product Overview Module\n=============================== *\/\n.dhdl-product-overview-module {\n  --blue: #0b84d8;\n  --dark: #07142a;\n  --text: #566173;\n  --bg: #fafafa;\n  width: 100%;\n  padding: 56px 0 64px;\n  background: var(--bg);\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-product-overview-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-product-overview-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-product-overview-title {\n  margin: 0;\n  color: var(--dark);\n  font-size: 22px;\n  line-height: 1.2;\n  font-weight: 900;\n  letter-spacing: -0.4px;\n}\n\n.dhdl-product-overview-line {\n  width: 58px;\n  height: 4px;\n  margin: 22px 0 36px;\n  background: var(--blue);\n  border-radius: 999px;\n}\n\n.dhdl-product-overview-content {\n  max-width: 1120px;\n}\n\n.dhdl-product-overview-content p {\n  margin: 0 0 30px;\n  color: var(--text);\n  font-size: 18px;\n  line-height: 1.85;\n  font-weight: 400;\n}\n\n.dhdl-product-overview-content p:last-child {\n  margin-bottom: 0;\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-product-overview-module {\n    padding: 42px 0 48px;\n  }\n\n  .dhdl-product-overview-wrap {\n    padding: 0 16px;\n  }\n\n  .dhdl-product-overview-title {\n    font-size: 30px;\n  }\n\n  .dhdl-product-overview-line {\n    margin: 18px 0 28px;\n  }\n\n  .dhdl-product-overview-content p {\n    font-size: 16px;\n    line-height: 1.78;\n    margin-bottom: 22px;\n  }\n}\n<\/style>\n\n<span id=\"dhdl-product-overview\"><\/span>\n\n<section class=\"dhdl-product-overview-module\">\n  <div class=\"dhdl-product-overview-wrap\">\n    <h2 class=\"dhdl-product-overview-title\">Product Overview<\/h2>\n    <div class=\"dhdl-product-overview-line\"><\/div>\n\n    <div class=\"dhdl-product-overview-content\">\n      <p>\n        The 6\u201338.5kV oil-immersed distribution transformer is designed for reliable power distribution in utility grids, industrial facilities, renewable energy projects, outdoor substations, and infrastructure power systems. It uses transformer oil as both the insulation and cooling medium, providing stable operation under long-term load conditions.\n      <\/p>\n\n      <p>\n        With mature structure, excellent heat dissipation performance, and strong overload capability, this transformer is suitable for outdoor installation and demanding operating environments. It can support voltage step-up, step-down, and safe power transmission in medium-voltage distribution networks.\n      <\/p>\n\n      <p>\n        This series can be customized according to project requirements, including voltage level, rated capacity, tap range, vector group, protection accessories, cooling method, installation environment, and applicable standards. DHDL provides project-based transformer solutions for stable and efficient power distribution.\n      <\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<style>\n\/* ===============================\n   DHDL Technical Specifications Module\n=============================== *\/\n.dhdl-spec-module {\n  --blue: #0b84d8;\n  --dark: #07142a;\n  --text: #566173;\n  --border: #dfeaf5;\n  --row: #f7f9fc;\n  --white: #ffffff;\n  width: 100%;\n  padding: 42px 0 48px;\n  background: #fafafa;\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-spec-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-spec-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-spec-title {\n  margin: 0;\n  color: var(--dark);\n  font-size: 22px;\n  line-height: 1.35;\n  font-weight: 900;\n  letter-spacing: -0.2px;\n}\n\n.dhdl-spec-line {\n  width: 48px;\n  height: 4px;\n  margin: 14px 0 28px;\n  background: var(--blue);\n  border-radius: 999px;\n}\n\n.dhdl-spec-table-box {\n  width: 100%;\n  overflow: hidden;\n  border: 1px solid var(--border);\n  border-radius: 16px;\n  background: var(--white);\n  box-shadow: 0 10px 28px rgba(7, 20, 42, 0.04);\n}\n\n.dhdl-spec-table {\n  width: 100%;\n  border-collapse: collapse;\n}\n\n.dhdl-spec-table thead th {\n  padding: 18px 22px;\n  background: var(--blue);\n  color: #ffffff;\n  font-size: 16px;\n  line-height: 1.4;\n  font-weight: 900;\n  text-align: left;\n}\n\n.dhdl-spec-table tbody td {\n  padding: 18px 22px;\n  color: var(--text);\n  font-size: 16px;\n  line-height: 1.55;\n  font-weight: 500;\n  border-bottom: 1px solid var(--border);\n}\n\n.dhdl-spec-table tbody tr:nth-child(odd) {\n  background: var(--row);\n}\n\n.dhdl-spec-table tbody tr:nth-child(even) {\n  background: var(--white);\n}\n\n.dhdl-spec-table tbody tr:last-child td {\n  border-bottom: none;\n}\n\n.dhdl-spec-table th:first-child,\n.dhdl-spec-table td:first-child {\n  width: 34%;\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-spec-module {\n    padding: 36px 0 42px;\n  }\n\n  .dhdl-spec-wrap {\n    padding: 0 16px;\n  }\n\n  .dhdl-spec-title {\n    font-size: 22px;\n  }\n\n  .dhdl-spec-table thead th,\n  .dhdl-spec-table tbody td {\n    padding: 15px 16px;\n    font-size: 15px;\n  }\n\n  .dhdl-spec-table th:first-child,\n  .dhdl-spec-table td:first-child {\n    width: 40%;\n  }\n}\n<\/style>\n\n<span id=\"dhdl-product-specifications\"><\/span>\n\n<section class=\"dhdl-spec-module\">\n  <div class=\"dhdl-spec-wrap\">\n    <h2 class=\"dhdl-spec-title\">Technical Specifications<\/h2>\n    <div class=\"dhdl-spec-line\"><\/div>\n\n    <div class=\"dhdl-spec-table-box\">\n      <table class=\"dhdl-spec-table\">\n        <thead>\n          <tr>\n            <th>Item<\/th>\n            <th>Specification<\/th>\n          <\/tr>\n        <\/thead>\n\n        <tbody>\n          <tr>\n            <td>Product Type<\/td>\n            <td>Oil-immersed Distribution Transformer<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Voltage Range<\/td>\n            <td>6\u201338.5kV<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Rated Capacity<\/td>\n            <td>30\u20132500kVA<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Low Voltage<\/td>\n            <td>0.4kV<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Vector Group<\/td>\n            <td>Dyn11 \/ Yyn0 \/ Yzn11<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Tap Range<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Cooling Medium<\/td>\n            <td>Transformer Oil<\/td>\n          <\/tr>\n\n          <tr>\n            <td>Installation<\/td>\n            <td>Outdoor \/ Indoor Transformer Room<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1021\" height=\"800\" data-id=\"37416\" data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-1021x800.png\" alt=\"\" class=\"wp-image-37416 lazyload\" data-srcset=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-1021x800.png 1021w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-383x300.png 383w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-768x602.png 768w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-430x337.png 430w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-700x549.png 700w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1-150x118.png 150w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d8-1.png 1258w\" data-sizes=\"(max-width: 1021px) 100vw, 1021px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1021px; --smush-placeholder-aspect-ratio: 1021\/800;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1646\" height=\"814\" data-id=\"37417\" data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82.png\" alt=\"\" class=\"wp-image-37417 lazyload\" data-srcset=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82.png 1646w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-400x198.png 400w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-1300x643.png 1300w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-768x380.png 768w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-1536x760.png 1536w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-430x213.png 430w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-700x346.png 700w, https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/\u6cb9\u53d82-150x74.png 150w\" data-sizes=\"(max-width: 1646px) 100vw, 1646px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1646px; --smush-placeholder-aspect-ratio: 1646\/814;\" \/><\/figure>\n<\/figure>\n\n\n\n<style>\n\/* ===============================\n   DHDL Technical Parameters Module\n=============================== *\/\n.dhdl-parameter-module {\n  --blue: #0b84d8;\n  --dark: #07142a;\n  --text: #44546a;\n  --border: #dfeaf5;\n  --head: #f0f5fb;\n  --row: #f8fafc;\n  --white: #ffffff;\n  width: 100%;\n  padding: 42px 0 48px;\n  background: #fafafa;\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-parameter-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-parameter-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-parameter-title {\n  margin: 0;\n  color: var(--blue);\n  font-size: 22px;\n  line-height: 1.35;\n  font-weight: 900;\n  letter-spacing: -0.2px;\n}\n\n.dhdl-parameter-line {\n  width: 58px;\n  height: 4px;\n  margin: 14px 0 28px;\n  background: var(--blue);\n  border-radius: 999px;\n}\n\n.dhdl-parameter-table-box {\n  width: 100%;\n  overflow-x: auto;\n  border: 1px solid var(--border);\n  border-radius: 16px;\n  background: var(--white);\n  box-shadow: 0 10px 28px rgba(7, 20, 42, 0.04);\n}\n\n.dhdl-parameter-table {\n  width: 100%;\n  min-width: 1080px;\n  border-collapse: collapse;\n}\n\n.dhdl-parameter-table th,\n.dhdl-parameter-table td {\n  padding: 16px 16px;\n  border-right: 1px solid var(--border);\n  border-bottom: 1px solid var(--border);\n  text-align: center;\n  vertical-align: middle;\n}\n\n.dhdl-parameter-table th {\n  background: var(--head);\n  color: var(--dark);\n  font-size: 15px;\n  line-height: 1.4;\n  font-weight: 900;\n  text-transform: uppercase;\n}\n\n.dhdl-parameter-table td {\n  color: var(--text);\n  font-size: 15px;\n  line-height: 1.45;\n  font-weight: 500;\n}\n\n.dhdl-parameter-table tbody tr:nth-child(even) {\n  background: var(--row);\n}\n\n.dhdl-parameter-table th:first-child,\n.dhdl-parameter-table td:first-child {\n  color: var(--dark);\n  font-weight: 900;\n  text-align: left;\n}\n\n.dhdl-parameter-table th:last-child,\n.dhdl-parameter-table td:last-child {\n  border-right: none;\n}\n\n.dhdl-parameter-table tbody tr:last-child td {\n  border-bottom: none;\n}\n\n.dhdl-parameter-note {\n  margin: 14px 0 0;\n  color: #64748b;\n  font-size: 14px;\n  line-height: 1.65;\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-parameter-module {\n    padding: 36px 0 42px;\n  }\n\n  .dhdl-parameter-wrap {\n    padding: 0 16px;\n  }\n\n  .dhdl-parameter-title {\n    font-size: 22px;\n  }\n\n  .dhdl-parameter-table th,\n  .dhdl-parameter-table td {\n    padding: 14px 12px;\n    font-size: 14px;\n  }\n}\n<\/style>\n\n<span id=\"dhdl-product-parameters\"><\/span>\n\n<section class=\"dhdl-parameter-module\">\n  <div class=\"dhdl-parameter-wrap\">\n    <h2 class=\"dhdl-parameter-title\">Technical Parameters<\/h2>\n    <div class=\"dhdl-parameter-line\"><\/div>\n\n    <div class=\"dhdl-parameter-table-box\">\n      <table class=\"dhdl-parameter-table\">\n        <thead>\n          <tr>\n            <th>Rated Capacity<br>(kVA)<\/th>\n            <th>High Voltage<br>(kV)<\/th>\n            <th>Tap Range<\/th>\n            <th>Low Voltage<br>(kV)<\/th>\n            <th>Vector Group<\/th>\n            <th>No-load Loss<br>(W)<\/th>\n            <th>Load Loss<br>(W)<\/th>\n            <th>No-load Current<br>(%)<\/th>\n            <th>Short-circuit Impedance<br>(%)<\/th>\n          <\/tr>\n        <\/thead>\n\n        <tbody>\n          <tr>\n            <td>50<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>170<\/td>\n            <td>1200<\/td>\n            <td>2.1<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>100<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>230<\/td>\n            <td>2010<\/td>\n            <td>2.0<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>125<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>270<\/td>\n            <td>2370<\/td>\n            <td>1.5<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>160<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>290<\/td>\n            <td>2820<\/td>\n            <td>1.4<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>200<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>340<\/td>\n            <td>3320<\/td>\n            <td>1.3<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>250<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>400<\/td>\n            <td>3950<\/td>\n            <td>1.2<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>315<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>480<\/td>\n            <td>4750<\/td>\n            <td>1.1<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>400<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>580<\/td>\n            <td>5740<\/td>\n            <td>1.0<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>500<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>680<\/td>\n            <td>6910<\/td>\n            <td>1.0<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>630<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>830<\/td>\n            <td>7860<\/td>\n            <td>0.9<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>800<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>980<\/td>\n            <td>9400<\/td>\n            <td>0.8<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>1000<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>1150<\/td>\n            <td>11500<\/td>\n            <td>0.7<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>1250<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>1400<\/td>\n            <td>13900<\/td>\n            <td>0.6<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>1600<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>1690<\/td>\n            <td>16600<\/td>\n            <td>0.6<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>2000<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>1990<\/td>\n            <td>19700<\/td>\n            <td>0.6<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n\n          <tr>\n            <td>2500<\/td>\n            <td>33 \/ 35 \/ 38.5<\/td>\n            <td>\u00b15% \/ \u00b12\u00d72.5%<\/td>\n            <td>0.4<\/td>\n            <td>Dyn11 \/ Yyn0<\/td>\n            <td>2360<\/td>\n            <td>23200<\/td>\n            <td>0.6<\/td>\n            <td>6.5<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p class=\"dhdl-parameter-note\">\n      Note: The above parameters are for 50\u20132500kVA 33\u201338.5kV oil-immersed transformers. Final technical data can be customized according to project requirements and applicable standards.\n    <\/p>\n  <\/div>\n<\/section>\n\n\n\n<style>\n\/* ===============================\n   DHDL Product Features Module\n=============================== *\/\n.dhdl-features-module {\n  --blue: #0b84d8;\n  --dark: #07142a;\n  --text: #566173;\n  --border: #dfeaf5;\n  --white: #ffffff;\n  width: 100%;\n  padding: 42px 0 48px;\n  background: #fafafa;\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-features-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-features-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-features-title {\n  margin: 0;\n  color: var(--dark);\n  font-size: 22px;\n  line-height: 1.35;\n  font-weight: 900;\n  letter-spacing: -0.2px;\n}\n\n.dhdl-features-line {\n  width: 48px;\n  height: 4px;\n  margin: 14px 0 28px;\n  background: var(--blue);\n  border-radius: 999px;\n}\n\n.dhdl-features-grid {\n  display: grid;\n  grid-template-columns: repeat(2, 1fr);\n  gap: 24px;\n}\n\n.dhdl-feature-card {\n  min-height: 190px;\n  padding: 28px 30px;\n  background: var(--white);\n  border: 1px solid var(--border);\n  border-radius: 18px;\n  box-shadow: 0 10px 26px rgba(7, 20, 42, 0.04);\n}\n\n.dhdl-feature-card h3 {\n  margin: 0 0 18px;\n  color: var(--dark);\n  font-size: 18px;\n  line-height: 1.35;\n  font-weight: 900;\n}\n\n.dhdl-feature-card p {\n  margin: 0;\n  color: var(--text);\n  font-size: 16px;\n  line-height: 1.78;\n  font-weight: 400;\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-features-module {\n    padding: 36px 0 42px;\n  }\n\n  .dhdl-features-wrap {\n    padding: 0 16px;\n  }\n\n  .dhdl-features-title {\n    font-size: 22px;\n  }\n\n  .dhdl-features-grid {\n    grid-template-columns: 1fr;\n    gap: 18px;\n  }\n\n  .dhdl-feature-card {\n    min-height: auto;\n    padding: 24px 22px;\n    border-radius: 16px;\n  }\n\n  .dhdl-feature-card h3 {\n    font-size: 17px;\n    margin-bottom: 12px;\n  }\n\n  .dhdl-feature-card p {\n    font-size: 15px;\n    line-height: 1.72;\n  }\n}\n<\/style>\n\n<span id=\"dhdl-product-features\"><\/span>\n\n<section class=\"dhdl-features-module\">\n  <div class=\"dhdl-features-wrap\">\n    <h2 class=\"dhdl-features-title\">Product Features<\/h2>\n    <div class=\"dhdl-features-line\"><\/div>\n\n    <div class=\"dhdl-features-grid\">\n      <div class=\"dhdl-feature-card\">\n        <h3>Strong and Reliable Structure<\/h3>\n        <p>\n          The transformer adopts a high-strength oil tank structure with excellent mechanical strength and strong short-circuit withstand capability.\n        <\/p>\n      <\/div>\n\n      <div class=\"dhdl-feature-card\">\n        <h3>Low Operating Noise<\/h3>\n        <p>\n          Optimized core structure and manufacturing process help effectively reduce operating noise and improve operation comfort.\n        <\/p>\n      <\/div>\n\n      <div class=\"dhdl-feature-card\">\n        <h3>Convenient Maintenance<\/h3>\n        <p>\n          The reasonable structural design makes daily inspection and maintenance easier, helping reduce long-term operation and maintenance costs.\n        <\/p>\n      <\/div>\n\n      <div class=\"dhdl-feature-card\">\n        <h3>Strong Environmental Adaptability<\/h3>\n        <p>\n          Suitable for complex operating environments such as high temperature, high humidity, high altitude, and outdoor power distribution sites.\n        <\/p>\n      <\/div>\n\n      <div class=\"dhdl-feature-card\">\n        <h3>High Safety Performance<\/h3>\n        <p>\n          Complete protection devices can be configured to improve operational safety, equipment reliability, and long-term system stability.\n        <\/p>\n      <\/div>\n\n      <div class=\"dhdl-feature-card\">\n        <h3>Customized Design Available<\/h3>\n        <p>\n          DHDL can customize transformer design according to different national grid standards, project requirements, and customer specifications.\n        <\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<style>\n\/* ===============================\n   DHDL Factory Test Items Module\n=============================== *\/\n.dhdl-factory-test-module {\n  --blue: #0b84d8;\n  --dark: #07142a;\n  --text: #44546a;\n  --border: #dfeaf5;\n  --head: #f0f5fb;\n  --row: #f8fafc;\n  --tag-bg: #e8f4ff;\n  width: 100%;\n  padding: 42px 0 48px;\n  background: #fafafa;\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-factory-test-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-factory-test-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-factory-test-title {\n  margin: 0;\n  color: var(--blue);\n  font-size: 22px;\n  line-height: 1.35;\n  font-weight: 900;\n  letter-spacing: -0.2px;\n}\n\n.dhdl-factory-test-line {\n  width: 58px;\n  height: 4px;\n  margin: 14px 0 28px;\n  background: var(--blue);\n  border-radius: 999px;\n}\n\n.dhdl-factory-test-table-box {\n  width: 100%;\n  overflow: hidden;\n  border: 1px solid var(--border);\n  border-radius: 16px;\n  background: #ffffff;\n  box-shadow: 0 10px 28px rgba(7, 20, 42, 0.04);\n}\n\n.dhdl-factory-test-table {\n  width: 100%;\n  border-collapse: collapse;\n}\n\n.dhdl-factory-test-table th,\n.dhdl-factory-test-table td {\n  padding: 17px 22px;\n  border-bottom: 1px solid var(--border);\n  color: var(--text);\n  font-size: 15px;\n  line-height: 1.5;\n  vertical-align: middle;\n}\n\n.dhdl-factory-test-table th {\n  background: var(--head);\n  color: var(--dark);\n  font-size: 15px;\n  font-weight: 900;\n  text-align: left;\n  text-transform: uppercase;\n}\n\n.dhdl-factory-test-table tbody tr:nth-child(even) {\n  background: var(--row);\n}\n\n.dhdl-factory-test-table tbody tr:last-child td {\n  border-bottom: none;\n}\n\n.dhdl-factory-test-table td:first-child {\n  color: var(--dark);\n  font-weight: 800;\n}\n\n.dhdl-factory-test-table th:first-child,\n.dhdl-factory-test-table td:first-child {\n  width: 70%;\n}\n\n.dhdl-test-tag {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  min-height: 28px;\n  padding: 0 14px;\n  border-radius: 999px;\n  background: var(--tag-bg);\n  color: var(--blue);\n  font-size: 13px;\n  font-weight: 900;\n  white-space: nowrap;\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-factory-test-module {\n    padding: 36px 0 42px;\n  }\n\n  .dhdl-factory-test-wrap {\n    padding: 0 16px;\n  }\n\n  .dhdl-factory-test-title {\n    font-size: 22px;\n  }\n\n  .dhdl-factory-test-table th,\n  .dhdl-factory-test-table td {\n    padding: 15px 16px;\n    font-size: 14px;\n  }\n\n  .dhdl-factory-test-table th:first-child,\n  .dhdl-factory-test-table td:first-child {\n    width: 64%;\n  }\n\n  .dhdl-test-tag {\n    font-size: 12px;\n    padding: 0 12px;\n  }\n}\n<\/style>\n\n<span id=\"dhdl-product-factory\"><\/span>\n\n<section class=\"dhdl-factory-test-module\">\n  <div class=\"dhdl-factory-test-wrap\">\n    <h2 class=\"dhdl-factory-test-title\">Factory Test Items<\/h2>\n    <div class=\"dhdl-factory-test-line\"><\/div>\n\n    <div class=\"dhdl-factory-test-table-box\">\n      <table class=\"dhdl-factory-test-table\">\n        <thead>\n          <tr>\n            <th>Test Item<\/th>\n            <th>Test Type<\/th>\n          <\/tr>\n        <\/thead>\n\n        <tbody>\n          <tr>\n            <td>Insulation Resistance Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Winding DC Resistance Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Voltage Ratio Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Vector Group Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>No-load Loss and No-load Current Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Load Loss and Impedance Voltage Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Power Frequency Withstand Voltage Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Induced Withstand Voltage Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Sealing Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Transformer Oil Test<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Appearance and Nameplate Inspection<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n\n          <tr>\n            <td>Packing Inspection Before Shipment<\/td>\n            <td><span class=\"dhdl-test-tag\">Routine Test<\/span><\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<style>\n\/* ===============================\n   DHDL Applications Module\n=============================== *\/\n.dhdl-applications-module {\n  --blue: #0b84d8;\n  --dark: #07142a;\n  --text: #64748b;\n  --border: #dfeaf5;\n  --white: #ffffff;\n  width: 100%;\n  padding: 42px 0 48px;\n  background: #fafafa;\n  font-family: inherit;\n  box-sizing: border-box;\n}\n\n.dhdl-applications-module * {\n  box-sizing: border-box;\n}\n\n.dhdl-applications-wrap {\n  width: 100%;\n  max-width: 1180px;\n  margin: 0 auto;\n  padding: 0 18px;\n}\n\n.dhdl-applications-title {\n  margin: 0;\n  color: var(--dark);\n  font-size: 22px;\n  line-height: 1.35;\n  font-weight: 900;\n  letter-spacing: -0.2px;\n}\n\n.dhdl-applications-line {\n  width: 48px;\n  height: 4px;\n  margin: 14px 0 28px;\n  background: var(--blue);\n  border-radius: 999px;\n}\n\n.dhdl-applications-grid {\n  display: grid;\n  grid-template-columns: repeat(4, 1fr);\n  gap: 22px;\n}\n\n.dhdl-application-card {\n  overflow: hidden;\n  background: var(--white);\n  border: 1px solid var(--border);\n  border-radius: 18px;\n  box-shadow: 0 10px 26px rgba(7, 20, 42, 0.04);\n  transition: all 0.22s ease;\n}\n\n.dhdl-application-card:hover {\n  transform: translateY(-3px);\n  border-color: #b9d9f2;\n  box-shadow: 0 14px 32px rgba(7, 20, 42, 0.08);\n}\n\n.dhdl-application-image {\n  width: 100%;\n  height: 170px;\n  overflow: hidden;\n  background: #eef7ff;\n}\n\n.dhdl-application-image img {\n  width: 100%;\n  height: 100%;\n  display: block;\n  object-fit: cover;\n}\n\n.dhdl-application-content {\n  padding: 24px 22px 28px;\n}\n\n.dhdl-application-content h3 {\n  margin: 0 0 14px;\n  color: var(--dark);\n  font-size: 18px;\n  line-height: 1.35;\n  font-weight: 900;\n}\n\n.dhdl-application-content p {\n  margin: 0;\n  color: var(--text);\n  font-size: 16px;\n  line-height: 1.75;\n  font-weight: 400;\n}\n\n\/* Tablet *\/\n@media (max-width: 1024px) {\n  .dhdl-applications-grid {\n    grid-template-columns: repeat(2, 1fr);\n  }\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .dhdl-applications-module {\n    padding: 36px 0 42px;\n  }\n\n  .dhdl-applications-wrap {\n    padding: 0 16px;\n  }\n\n  .dhdl-applications-title {\n    font-size: 22px;\n  }\n\n  .dhdl-applications-grid {\n    grid-template-columns: 1fr;\n    gap: 18px;\n  }\n\n  .dhdl-application-image {\n    height: 190px;\n  }\n\n  .dhdl-application-content {\n    padding: 22px 20px 24px;\n  }\n\n  .dhdl-application-content h3 {\n    font-size: 17px;\n  }\n\n  .dhdl-application-content p {\n    font-size: 15px;\n    line-height: 1.72;\n  }\n}\n<\/style>\n\n<span id=\"dhdl-product-applications\"><\/span>\n\n<section class=\"dhdl-applications-module\">\n  <div class=\"dhdl-applications-wrap\">\n    <h2 class=\"dhdl-applications-title\">Applications<\/h2>\n    <div class=\"dhdl-applications-line\"><\/div>\n\n    <div class=\"dhdl-applications-grid\">\n\n      <div class=\"dhdl-application-card\">\n        <div class=\"dhdl-application-image\">\n          <img decoding=\"async\" \n            data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/949dc4c4-090c-4709-af3b-9fb7f6f52503.png\" \n            alt=\"Utility Distribution Networks\"\n            src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1536px; --smush-placeholder-aspect-ratio: 1536\/1024;\">\n        <\/div>\n        <div class=\"dhdl-application-content\">\n          <h3>Utility Distribution Networks<\/h3>\n          <p>\n            Reliable transformer solutions for urban and rural power distribution systems, helping ensure stable voltage conversion and continuous power supply.\n          <\/p>\n        <\/div>\n      <\/div>\n\n      <div class=\"dhdl-application-card\">\n        <div class=\"dhdl-application-image\">\n          <img decoding=\"async\" \n            data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/Industrial-Facilities.png\" \n            alt=\"Industrial Facilities\"\n            src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1536px; --smush-placeholder-aspect-ratio: 1536\/1024;\">\n        <\/div>\n        <div class=\"dhdl-application-content\">\n          <h3>Industrial Facilities<\/h3>\n          <p>\n            Suitable for factories, workshops, production lines, mining sites, and industrial power systems that require long-term stable operation.\n          <\/p>\n        <\/div>\n      <\/div>\n\n      <div class=\"dhdl-application-card\">\n        <div class=\"dhdl-application-image\">\n          <img decoding=\"async\" \n            data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/Renewable-Energy-Projects.png\" \n            alt=\"Renewable Energy Projects\"\n            src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1536px; --smush-placeholder-aspect-ratio: 1536\/1024;\">\n        <\/div>\n        <div class=\"dhdl-application-content\">\n          <h3>Renewable Energy Projects<\/h3>\n          <p>\n            Applied in solar power plants, wind farms, energy storage stations, and microgrid systems for power conversion and distribution.\n          <\/p>\n        <\/div>\n      <\/div>\n\n      <div class=\"dhdl-application-card\">\n        <div class=\"dhdl-application-image\">\n          <img decoding=\"async\" \n            data-src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/07\/AI-Data-Center-Power-Infrastructure.png\" \n            alt=\"AI Data Center Power Infrastructure\"\n            src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1536px; --smush-placeholder-aspect-ratio: 1536\/1024;\">\n        <\/div>\n        <div class=\"dhdl-application-content\">\n          <h3>AI Data Center Power Infrastructure<\/h3>\n          <p>\n            Suitable for data center campus substations, medium-voltage power intake systems, and reliable power distribution infrastructure supporting high-density computing loads.\n          <\/p>\n        <\/div>\n      <\/div>\n\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<section id=\"factory\" class=\"dhdl-product-section dhdl-why-section\">\n  <h2>Why Choose DHDL Transformer<\/h2>\n  <p>\n    DHDL provides reliable transformer manufacturing, strict quality control, and project-based technical support for power distribution, industrial, commercial, and renewable energy applications.\n  <\/p>\n\n  <div class=\"dhdl-why-grid\">\n    <div class=\"dhdl-why-card\">\n      <h3>Manufacturing Capability<\/h3>\n      <ul>\n        <li>Transformers<\/li>\n        <li>Distribution Cabinets<\/li>\n        <li>Prefabricated Substation<\/li>\n        <li>Energy Storage Cabinets<\/li>\n        <li>Charging Piles<\/li>\n      <\/ul>\n    <\/div>\n\n    <div class=\"dhdl-why-card\">\n      <h3>Quality Control<\/h3>\n      <ul>\n        <li>Material inspection<\/li>\n        <li>Winding and assembly control<\/li>\n        <li>Drying and oil treatment process<\/li>\n        <li>Routine testing<\/li>\n        <li>Final inspection before delivery<\/li>\n      <\/ul>\n    <\/div>\n\n    <div class=\"dhdl-why-card\">\n      <h3>International Standards<\/h3>\n      <ul>\n        <li>IEC<\/li>\n        <li>ANSI<\/li>\n        <li>IEEE<\/li>\n        <li>GB<\/li>\n        <li>Project-specific technical requirements<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n<div class=\"wp-block-wd-container wd-dir-col wd-4cbd5acd faq\">\n<div class=\"wp-block-wd-accordion wd-accordion wd-style-shadow wd-titles-start wd-opener-style-arrow wd-opener-pos-end wd-fb68ef2e\" data-state=\"first\">\n<div class=\"wp-block-wd-accordion-pane wd-accordion-item wd-b5a809b0\"><div class=\"wd-accordion-title wd-role-btn wd-active\" tabindex=\"0\"><div class=\"wd-accordion-title-text\"><span>How should I choose between an oil-immersed transformer and a dry-type transformer?<\/span><\/div><span class=\"wd-accordion-opener\"><\/span><\/div><div class=\"wd-accordion-content wd-active\"><div class=\"wd-accordion-content-inner\">\n<p class=\"wp-block-wd-paragraph wd-51edef0d\">Choose a dry-type transformer for indoor or high fire-safety applications, and choose an oil-immersed transformer for outdoor use, heavy loads, cost-sensitive projects, industrial power distribution, grid projects, and overseas engineering applications.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-wd-accordion-pane wd-accordion-item wd-abbf9d47\"><div class=\"wd-accordion-title wd-role-btn\" tabindex=\"0\"><div class=\"wd-accordion-title-text\"><span>Are oil-immersed transformers safe to use?<\/span><\/div><span class=\"wd-accordion-opener\"><\/span><\/div><div class=\"wd-accordion-content\"><div class=\"wd-accordion-content-inner\">\n<p class=\"wp-block-wd-paragraph wd-3e84dc5d\">The safety risk mainly comes from design and manufacturing quality rather than the transformer structure itself, and with proper design, sealed construction, leakage prevention, and optional protection solutions, oil-immersed transformers remain a widely used choice in global power grids.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-wd-accordion-pane wd-accordion-item wd-494652a5\"><div class=\"wd-accordion-title wd-role-btn\" tabindex=\"0\"><div class=\"wd-accordion-title-text\"><span>Why do transformer prices vary so much?<\/span><\/div><span class=\"wd-accordion-opener\"><\/span><\/div><div class=\"wd-accordion-content\"><div class=\"wd-accordion-content-inner\">\n<p class=\"wp-block-wd-paragraph wd-34019392\">Transformer prices vary mainly because of material choices, copper or aluminum windings, silicon steel grade, loss level, energy efficiency, and whether the design is based on real operating conditions.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-wd-accordion-pane wd-accordion-item wd-209afc79\"><div class=\"wd-accordion-title wd-role-btn\" tabindex=\"0\"><div class=\"wd-accordion-title-text\"><span><strong>Are oil-immersed transformers suitable for unstable grids or harsh environments?<\/strong><\/span><\/div><span class=\"wd-accordion-opener\"><\/span><\/div><div class=\"wd-accordion-content\"><div class=\"wd-accordion-content-inner\">\n<p class=\"wp-block-wd-paragraph wd-cb11137e\">Yes, oil-immersed transformers are especially suitable for unstable grids and harsh environments because they offer strong temperature adaptability, stable structure, and optional anti-corrosion and moisture-resistant designs.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-wd-accordion-pane wd-accordion-item wd-3bd15806\"><div class=\"wd-accordion-title wd-role-btn\" tabindex=\"0\"><div class=\"wd-accordion-title-text\"><span>What makes you different from ordinary transformer suppliers?<\/span><\/div><span class=\"wd-accordion-opener\"><\/span><\/div><div class=\"wd-accordion-content\"><div class=\"wd-accordion-content-inner\">\n<p class=\"wp-block-wd-paragraph wd-f9f93466\">Instead of only providing parameters and quotations, we focus on matching the transformer to your actual load, avoiding over-configuration or under-configuration, and helping reduce long-term operating costs.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-wd-accordion-pane wd-accordion-item wd-4d122229\"><div class=\"wd-accordion-title wd-role-btn\" tabindex=\"0\"><div class=\"wd-accordion-title-text\"><span>Why should I send an inquiry now?<\/span><\/div><span class=\"wd-accordion-opener\"><\/span><\/div><div class=\"wd-accordion-content\"><div class=\"wd-accordion-content-inner\">\n<p class=\"wp-block-wd-paragraph wd-31283583\">By sending an inquiry, you can quickly confirm whether your transformer selection is correct, whether there is a lower-cost alternative, and whether there are potential operating risks before making a costly decision.<\/p>\n<\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector Inquiry\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f37217-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"37217\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/ru\/wp-json\/wp\/v2\/product\/37408#wpcf7-f37217-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=\"37217\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f37217-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<style>\n .dhdl-inquiry-v2 {\n --blue: #0b84d8;\n --blue-dark: #0675bf;\n --dark: #07142a;\n --muted: #64748b;\n --border: #e2edf7;\n font-family: inherit;\n padding: 42px 0 52px;\n color: var(--dark);\n }\n\n .dhdl-inquiry-v2 * {\n box-sizing: border-box;\n }\n\n .dhdl-inquiry-v2-card {\n display: grid;\n grid-template-columns: 34% 66%;\n background: #ffffff;\n border: 1px solid var(--border);\n border-radius: 22px;\n overflow: hidden;\n box-shadow: 0 14px 36px rgba(15, 23, 42, 0.05);\n }\n\n .dhdl-inquiry-v2-left {\n position: relative;\n background: linear-gradient(145deg, #0b84d8 0%, #0879c6 58%, #066fb5 100%);\n padding: 38px 34px;\n color: #ffffff;\n overflow: hidden;\n }\n\n .dhdl-inquiry-v2-left::after {\n content: \"\";\n position: absolute;\n width: 170px;\n height: 170px;\n border-radius: 50%;\n right: -60px;\n top: -60px;\n background: rgba(255, 255, 255, 0.16);\n }\n\n .dhdl-inquiry-v2-label {\n position: relative;\n z-index: 2;\n display: inline-flex;\n padding: 8px 16px;\n border-radius: 999px;\n background: rgba(255, 255, 255, 0.18);\n color: #ffffff;\n font-size: 12px;\n font-weight: 800;\n letter-spacing: 1.8px;\n text-transform: uppercase;\n margin-bottom: 34px;\n }\n\n .dhdl-inquiry-v2-left h3 {\n position: relative;\n z-index: 2;\n font-size: 30px;\n line-height: 1.22;\n font-weight: 900;\n color: #ffffff;\n margin: 0 0 22px;\n }\n\n .dhdl-inquiry-v2-left p {\n position: relative;\n z-index: 2;\n font-size: 15px;\n line-height: 1.75;\n color: rgba(255, 255, 255, 0.88);\n margin: 0 0 26px;\n }\n\n .dhdl-inquiry-v2-tags {\n position: relative;\n z-index: 2;\n display: flex;\n flex-wrap: wrap;\n gap: 10px;\n }\n\n .dhdl-inquiry-v2-tag {\n display: inline-flex;\n align-items: center;\n gap: 7px;\n padding: 8px 12px;\n border-radius: 999px;\n background: rgba(255, 255, 255, 0.14);\n border: 1px solid rgba(255, 255, 255, 0.18);\n color: #ffffff;\n font-size: 13px;\n font-weight: 700;\n line-height: 1.2;\n }\n\n .dhdl-inquiry-v2-tag::before {\n content: \"\u2713\";\n width: 17px;\n height: 17px;\n border-radius: 50%;\n background: #ffffff;\n color: var(--blue);\n display: inline-flex;\n align-items: center;\n justify-content: center;\n font-size: 11px;\n font-weight: 900;\n flex: 0 0 auto;\n }\n\n .dhdl-inquiry-v2-right {\n padding: 38px 42px;\n background: #ffffff;\n }\n\n .dhdl-inquiry-v2-form {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 14px;\n }\n\n .dhdl-inquiry-v2-field {\n margin: 0;\n }\n\n .dhdl-inquiry-v2-field-full {\n grid-column: 1 \/ -1;\n }\n\n .dhdl-inquiry-v2 input,\n .dhdl-inquiry-v2 textarea,\n .dhdl-inquiry-v2 select {\n width: 100%;\n border: 1px solid var(--border);\n background: #f8fafc;\n border-radius: 13px;\n padding: 14px 16px;\n font-size: 14px;\n color: var(--dark);\n outline: none;\n box-shadow: none;\n transition: all 0.2s ease;\n }\n\n .dhdl-inquiry-v2 input {\n height: 50px;\n }\n\n .dhdl-inquiry-v2 textarea {\n min-height: 112px;\n resize: vertical;\n }\n\n .dhdl-inquiry-v2 input::placeholder,\n .dhdl-inquiry-v2 textarea::placeholder {\n color: #7b8a9d;\n }\n\n .dhdl-inquiry-v2 input:focus,\n .dhdl-inquiry-v2 textarea:focus {\n border-color: rgba(11, 132, 216, 0.65);\n background: #ffffff;\n box-shadow: 0 0 0 4px rgba(11, 132, 216, 0.08);\n }\n\n .dhdl-inquiry-v2-submit {\n margin-top: 16px;\n }\n\n .dhdl-inquiry-v2-submit input[type=\"submit\"] {\n width: 100%;\n height: 52px;\n border: none;\n border-radius: 13px;\n background: var(--blue);\n color: #ffffff;\n font-size: 14px;\n font-weight: 900;\n letter-spacing: 1.6px;\n text-transform: uppercase;\n cursor: pointer;\n }\n\n .dhdl-inquiry-v2-submit input[type=\"submit\"]:hover {\n background: var(--blue-dark);\n }\n\n .dhdl-inquiry-v2 .wpcf7-form-control-wrap {\n display: block;\n }\n\n .dhdl-inquiry-v2 p {\n margin: 0;\n }\n\n @media (max-width: 1024px) {\n .dhdl-inquiry-v2-card {\n grid-template-columns: 1fr;\n }\n\n .dhdl-inquiry-v2-left,\n .dhdl-inquiry-v2-right {\n padding: 34px 28px;\n }\n }\n\n @media (max-width: 640px) {\n .dhdl-inquiry-v2 {\n padding: 35px 0 45px;\n }\n\n .dhdl-inquiry-v2-card {\n border-radius: 18px;\n }\n\n .dhdl-inquiry-v2-form {\n grid-template-columns: 1fr;\n gap: 13px;\n }\n\n .dhdl-inquiry-v2-left h3 {\n font-size: 26px;\n }\n }\n<\/style>\n<div id=\"inquiry\" class=\"dhdl-inquiry-v2\">\n\t<div class=\"dhdl-inquiry-v2-card\">\n\t\t<div class=\"dhdl-inquiry-v2-left\">\n\t\t\t<p><span class=\"dhdl-inquiry-v2-label\">Get in Touch<\/span>\n\t\t\t<\/p>\n\t\t\t<h3>Send Your Transformer Inquiry\n\t\t\t<\/h3>\n\t\t\t<p><br \/>\nShare your capacity, voltage, quantity, application, and destination country.<br \/>\nOur engineering team will help confirm a suitable transformer or power distribution solution.\n\t\t\t<\/p>\n\t\t\t<div class=\"dhdl-inquiry-v2-tags\">\n\t\t\t\t<p><span class=\"dhdl-inquiry-v2-tag\">Customized Solutions<\/span><br \/>\n<span class=\"dhdl-inquiry-v2-tag\">Technical Support<\/span><br \/>\n<span class=\"dhdl-inquiry-v2-tag\">Fast Response<\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"dhdl-inquiry-v2-right\">\n\t\t\t<div class=\"dhdl-inquiry-v2-form\">\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field\">\n\t\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=\"Your Name *\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field\">\n\t\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=\"Email Address *\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field\">\n\t\t\t\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 \/ WhatsApp\" value=\"\" type=\"text\" name=\"your-phone\" \/><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field\">\n\t\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Company Name\" value=\"\" type=\"text\" name=\"company\" \/><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field\">\n\t\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Country \/ Region\" value=\"\" type=\"text\" name=\"country\" \/><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field\">\n\t\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"product-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Product Interested In\" value=\"\" type=\"text\" name=\"product-name\" \/><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"dhdl-inquiry-v2-field dhdl-inquiry-v2-field-full\">\n\t\t\t\t\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=\"Tell us your project requirements, such as capacity, voltage, quantity, application, and destination country. *\" name=\"your-message\"><\/textarea><\/span>\n\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"dhdl-inquiry-v2-submit\">\n\t\t\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send Your Inquiry\" \/>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<table width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" style=\"width:100%!important;border-collapse:collapse!important;border-spacing:0!important;border:none!important;margin:0!important;padding:0!important;background:transparent!important;box-shadow:none!important;\">\n<tbody style=\"border:none!important;background:transparent!important;\">\n<tr style=\"border:none!important;background:transparent!important;\">\n<td width=\"50%\" style=\"width:50%!important;padding:0 28px 22px 0!important;border:none!important;background:transparent!important;vertical-align:top!important;box-shadow:none!important;\">\n<div style=\"color:#566173!important;font-size:14px!important;line-height:1.35!important;font-weight:500!important;margin:0 0 8px!important;border:none!important;\">\n          Voltage Range\n        <\/div>\n<div style=\"color:#07142a!important;font-size:18px!important;line-height:1.3!important;font-weight:800!important;margin:0!important;border:none!important;\">\n          6\u201338.5kV\n        <\/div>\n<\/td>\n<td width=\"50%\" style=\"width:50%!important;padding:0 0 22px 28px!important;border:none!important;background:transparent!important;vertical-align:top!important;box-shadow:none!important;\">\n<div style=\"color:#566173!important;font-size:14px!important;line-height:1.35!important;font-weight:500!important;margin:0 0 8px!important;border:none!important;\">\n          Rated Capacity\n        <\/div>\n<div style=\"color:#07142a!important;font-size:18px!important;line-height:1.3!important;font-weight:800!important;margin:0!important;border:none!important;\">\n          30\u20132500kVA\n        <\/div>\n<\/td>\n<\/tr>\n<tr style=\"border:none!important;background:transparent!important;\">\n<td width=\"50%\" style=\"width:50%!important;padding:0 28px 0 0!important;border:none!important;background:transparent!important;vertical-align:top!important;box-shadow:none!important;\">\n<div style=\"color:#566173!important;font-size:14px!important;line-height:1.35!important;font-weight:500!important;margin:0 0 8px!important;border:none!important;\">\n          Transformer Type\n        <\/div>\n<div style=\"color:#07142a!important;font-size:18px!important;line-height:1.3!important;font-weight:800!important;margin:0!important;border:none!important;\">\n          Oil-immersed\n        <\/div>\n<\/td>\n<td width=\"50%\" style=\"width:50%!important;padding:0 0 0 28px!important;border:none!important;background:transparent!important;vertical-align:top!important;box-shadow:none!important;\">\n<div style=\"color:#566173!important;font-size:14px!important;line-height:1.35!important;font-weight:500!important;margin:0 0 8px!important;border:none!important;\">\n          Application\n        <\/div>\n<div style=\"color:#07142a!important;font-size:18px!important;line-height:1.3!important;font-weight:800!important;margin:0!important;border:none!important;\">\n          Power Distribution\n        <\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":37409,"template":"","meta":[],"product_brand":[],"product_cat":[77,75],"product_tag":[],"class_list":["post-37408","product","type-product","status-publish","has-post-thumbnail","product_cat-distribution-transformer","product_cat-transformers","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>6\u201338.5kV Oil-immersed Distribution Transformer - Dinghongtransformer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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