{"id":38939,"date":"2026-10-30T11:01:10","date_gmt":"2026-10-30T11:01:10","guid":{"rendered":"https:\/\/dinghongtransformer.com\/?page_id=38939"},"modified":"2026-11-11T07:49:58","modified_gmt":"2026-11-11T07:49:58","slug":"country-specific-transformer-solutions-vietnam","status":"publish","type":"page","link":"https:\/\/dinghongtransformer.com\/ru\/country-solutions\/country-specific-transformer-solutions-vietnam\/","title":{"rendered":"COUNTRY-SPECIFIC TRANSFORMER SOLUTIONS \u00b7 VIETNAM"},"content":{"rendered":"\n<div class=\"wp-block-wd-section wd-2924a4ea\">\n<!-- DHDL Vietnam Transformer Solutions | WP Custom HTML | Scoped WoodMart-safe CSS -->\n<style>\n.dhdl-vn,.dhdl-vn *,.dhdl-vn *::before,.dhdl-vn *::after{box-sizing:border-box}\n.dhdl-vn{--blue:#167dd1;--bright:#2f6bff;--dark:#07142a;--muted:#566173;--line:#e5edf6;--soft:#f4f8ff;font-family:Arial,'Helvetica Neue',sans-serif;color:var(--dark);background:#fff;width:100%;line-height:1.65}\n.dhdl-vn 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0}.dhdl-vn .dvn-hero{padding:35px 0 48px}.dhdl-vn .dvn-grid3,.dhdl-vn .dvn-grid2{grid-template-columns:1fr!important}.dhdl-vn .dvn-stats{grid-template-columns:1fr!important}.dhdl-vn .dvn-hero img{min-height:240px}.dhdl-vn .dvn-final{padding:28px 23px}.dhdl-vn .dvn-btn{width:100%}.dhdl-vn .dvn-hero-grid{gap:24px}}\n@media(prefers-reduced-motion:reduce){.dhdl-vn *{scroll-behavior:auto!important;transition:none!important}}\n<\/style>\n<main class=\"dhdl-vn\">\n<section class=\"dvn-hero\"><div class=\"dvn-container dvn-hero-grid\"><div>\n<div class=\"dvn-breadcrumb\"><a href=\"\/\">Home<\/a> \/ <a href=\"\/solutions\/country-solutions\/\">Country Solutions<\/a> \/ Vietnam<\/div>\n<span class=\"dvn-eyebrow\">COUNTRY-SPECIFIC TRANSFORMER SOLUTIONS \u00b7 VIETNAM<\/span>\n<h1>Power Transformers for Vietnam&#8217;s Industrial &amp; Distribution Projects<\/h1>\n<p>Explore transformer solutions for Vietnam&#8217;s 22kV and 35kV medium-voltage networks, manufacturing plants, industrial parks and utility substations. DHDL can review transformer designs against your project&#8217;s connection voltage, capacity, installation conditions and technical specifications.<\/p>\n<div class=\"dvn-cta-row\"><a class=\"dvn-btn dvn-btn-primary\" href=\"\/contact-us\/\">Discuss Your Project \u2192<\/a><a class=\"dvn-btn dvn-btn-outline\" href=\"\/product-category\/transformers\/\">Explore Transformers<\/a><\/div>\n<div class=\"dvn-stats\"><div class=\"dvn-stat\"><strong>22 \/ 35 kV<\/strong><span>Medium-voltage grid reference<\/span><\/div><div class=\"dvn-stat\"><strong>110 kV<\/strong><span>Distribution-substation context<\/span><\/div><div class=\"dvn-stat\"><strong>50 Hz<\/strong><span>Nominal grid frequency<\/span><\/div><\/div><\/div>\n<div><img src=\"https:\/\/dinghongtransformer.com\/wp-content\/uploads\/2026\/10\/DHDL_Transformer_Homepage_4x3.webp\" alt=\"Illustrative oil-immersed transformer for industrial power distribution and substation applications\" width=\"1365\" height=\"1024\" decoding=\"async\" fetchpriority=\"high\"><p class=\"dvn-small\" style=\"margin:8px 0 0!important\">Illustrative product scene, not a photographed installation in Vietnam.<\/p><\/div><\/div><\/section>\n\n<section class=\"dvn-section\" id=\"vietnam-grid\"><div class=\"dvn-container\"><span class=\"dvn-eyebrow\">01 \u00b7 LOCAL GRID CONTEXT<\/span><h2>Understanding Vietnam&#8217;s Power Grid &amp; Industrial Supply<\/h2><p class=\"dvn-lead\">Vietnam&#8217;s electrical grid includes medium-voltage distribution feeders, 110kV substations and 220\/500kV transmission networks. Industrial park projects frequently involve a 110kV substation feeding 22kV distribution, but the exact point of connection and supply arrangements are site-specific.<\/p>\n<div class=\"dvn-grid3\">\n<div class=\"dvn-card\"><div class=\"dvn-card-index\">INDUSTRIAL DISTRIBUTION<\/div><h3>22 kV Networks<\/h3><p>Relevant to many industrial feeders, manufacturing loads and medium-voltage-to-low-voltage transformer projects.<\/p><div class=\"dvn-pills\"><span class=\"dvn-pill\">Factories<\/span><span class=\"dvn-pill\">22kV feeders<\/span><\/div><\/div>\n<div class=\"dvn-card\"><div class=\"dvn-card-index\">ADDITIONAL DISTRIBUTION LEVELS<\/div><h3>35 \/ 15 \/ 10 \/ 6 kV<\/h3><p>Other nominal distribution levels remain in the regulatory voltage framework. Match the equipment to the actual local grid and connection documents.<\/p><div class=\"dvn-pills\"><span class=\"dvn-pill\">Utility networks<\/span><span class=\"dvn-pill\">Site-specific<\/span><\/div><\/div>\n<div class=\"dvn-card\"><div class=\"dvn-card-index\">SUBSTATIONS &amp; TRANSMISSION<\/div><h3>110 \/ 220 \/ 500 kV<\/h3><p>110kV is listed within the distribution system; 220kV and 500kV are transmission voltages. Higher-voltage equipment requires separate technical and manufacturing feasibility review.<\/p><div class=\"dvn-pills\"><span class=\"dvn-pill\">Substations<\/span><span class=\"dvn-pill\">Grid interface<\/span><\/div><\/div>\n<\/div><p class=\"dvn-small\" style=\"margin-top:18px!important\">Vietnam nominal grid voltages are reference values\u2014not a claim that every DHDL transformer model is available for each rating.<\/p><\/div><\/section>\n\n<section class=\"dvn-section dvn-soft\" id=\"vietnam-voltage\"><div class=\"dvn-container\"><span class=\"dvn-eyebrow\">02 \u00b7 VOLTAGE REFERENCE<\/span><h2>Vietnam Transformer Voltage &amp; Specification Reference<\/h2><p class=\"dvn-lead\">Vietnam&#8217;s Circular 05\/2025\/TT-BCT lists nominal distribution voltages of 110, 35, 22, 15, 10, 6 and 0.38kV; transmission voltages are 220kV and 500kV. The following transformer ratios are <strong>illustrative engineering configurations<\/strong>, not universal national requirements.<\/p>\n<div class=\"dvn-table-scroll\"><table><thead><tr><th>Project context<\/th><th>Grid reference<\/th><th>Transformer evaluation<\/th><th>Specify before ordering<\/th><\/tr><\/thead><tbody>\n<tr><td>Industrial LV supply<\/td><td>22kV \/ low voltage<\/td><td>22\/0.4kV may be evaluated where the utility and load require it<\/td><td>Actual LV nominal voltage, winding ratio and tapping range<\/td><\/tr>\n<tr><td>Other MV distribution<\/td><td>35kV<\/td><td>35kV-side distribution or industrial transformer options<\/td><td>Connection drawings, insulation level and utility standards<\/td><\/tr>\n<tr><td>Industrial park substation<\/td><td>110kV \/ 22kV<\/td><td>Power-transformer projects connecting a 110kV station to 22kV feeders<\/td><td>Capacity, short-circuit impedance, vector group and protection<\/td><\/tr>\n<tr><td>Existing regional distribution<\/td><td>6 \/ 10 \/ 15kV<\/td><td>Site-specific MV\/LV or MV\/MV transformers<\/td><td>Verify the actual network voltage rather than assuming 22kV<\/td><\/tr>\n<tr><td>Transmission network<\/td><td>220 \/ 500kV<\/td><td>Grid context only; specialist power-transformer engineering review<\/td><td>No implied DHDL supply or certification commitment<\/td><\/tr>\n<\/tbody><\/table><\/div><p class=\"dvn-small\" style=\"margin-top:14px!important\">Use the site&#8217;s single-line diagram, utility specification and latest applicable regulations as the governing documents.<\/p><\/div><\/section>\n\n<section class=\"dvn-section\" id=\"vietnam-products\"><div class=\"dvn-container\"><span class=\"dvn-eyebrow\">03 \u00b7 TRANSFORMER OPTIONS<\/span><h2>Transformer Options for Vietnam&#8217;s Project Requirements<\/h2><p class=\"dvn-lead\">Select the transformer construction after checking the required supply voltage, loading pattern, environment and installation space.<\/p><div class=\"dvn-grid3\">\n<article class=\"dvn-product\"><div class=\"dvn-product-visual\">01<\/div><div class=\"dvn-product-body\"><h3>Oil-Immersed Distribution Transformers<\/h3><p>For outdoor and utility-connected distribution applications, including project-specific medium-voltage-to-low-voltage supply.<\/p><a class=\"dvn-link\" href=\"\/product-category\/transformers\/\">Explore transformers \u2192<\/a><\/div><\/article>\n<article class=\"dvn-product\"><div class=\"dvn-product-visual\">02<\/div><div class=\"dvn-product-body\"><h3>Dry-Type Transformers<\/h3><p>For selected indoor factories, commercial buildings and industrial electrical rooms where dry-type construction meets project requirements.<\/p><a class=\"dvn-link\" href=\"\/product-category\/transformers\/\">Explore transformers \u2192<\/a><\/div><\/article>\n<article class=\"dvn-product\"><div class=\"dvn-product-visual\">03<\/div><div class=\"dvn-product-body\"><h3>Substation Power Transformers<\/h3><p>For industrial park substations and larger utility connections; voltage, MVA rating and feasibility are reviewed against project documents.<\/p><a class=\"dvn-link\" href=\"\/contact-us\/\">Discuss a specification \u2192<\/a><\/div><\/article>\n<\/div><\/div><\/section>\n\n<section class=\"dvn-section dvn-soft\" id=\"vietnam-selection\"><div class=\"dvn-container\"><span class=\"dvn-eyebrow\">04 \u00b7 SELECTION GUIDE<\/span><h2>Choosing a Transformer for a Vietnam Project<\/h2><div class=\"dvn-grid3\">\n<div class=\"dvn-spec\"><h3>01. Confirm Grid Connection<\/h3><p>Request the utility-approved single-line diagram, primary and secondary nominal voltages, and operating frequency.<\/p><\/div>\n<div class=\"dvn-spec\"><h3>02. Define Load &amp; Capacity<\/h3><p>State the required kVA\/MVA, continuous and peak load, motor starting requirements and expected plant expansion.<\/p><\/div>\n<div class=\"dvn-spec\"><h3>03. Check Climate &amp; Installation<\/h3><p>Consider tropical heat, humidity, ventilation, flood exposure and corrosion protection where relevant.<\/p><\/div>\n<div class=\"dvn-spec\"><h3>04. Coordinate Electrical Design<\/h3><p>Confirm tap changer, vector group, impedance, earthing, insulation and protective-device coordination.<\/p><\/div>\n<div class=\"dvn-spec\"><h3>05. Agree Standards &amp; Losses<\/h3><p>Supply the project IEC\/TCVN or utility requirements, efficiency targets, loss limits and acceptance-test plan.<\/p><\/div>\n<div class=\"dvn-spec\"><h3>06. Plan Delivery Documents<\/h3><p>Clarify drawings, packing, test reports, certificates required by the tender, and the agreed delivery scope.<\/p><\/div>\n<\/div><\/div><\/section>\n\n<section class=\"dvn-section\" id=\"vietnam-applications\"><div class=\"dvn-container\"><span class=\"dvn-eyebrow\">05 \u00b7 PROJECT APPLICATIONS<\/span><h2>Where Transformers Support Vietnam&#8217;s Industries<\/h2><div class=\"dvn-grid3\">\n<div class=\"dvn-card\"><div class=\"dvn-card-index\">01 \/ MANUFACTURING<\/div><h3>Factories &amp; Industrial Parks<\/h3><p>Electrical distribution for production lines, machinery, warehouses and industrial-park tenants with differing load needs.<\/p><\/div>\n<div class=\"dvn-card\"><div class=\"dvn-card-index\">02 \/ GRID CONNECTION<\/div><h3>110\/22kV Substations<\/h3><p>Project-specific transformer selection at 110kV substations supplying 22kV distribution feeders.<\/p><\/div>\n<div class=\"dvn-card\"><div class=\"dvn-card-index\">03 \/ INFRASTRUCTURE<\/div><h3>Infrastructure &amp; Utility Upgrades<\/h3><p>Transformers for distribution system reinforcement and facility power supply, subject to project specifications.<\/p><\/div>\n<\/div><\/div><\/section>\n\n<section class=\"dvn-section dvn-soft\" id=\"vietnam-capabilities\"><div class=\"dvn-container dvn-split\"><div><span class=\"dvn-eyebrow\">06 \u00b7 DHDL PROJECT SUPPORT<\/span><h2>Project-Based Manufacturing &amp; Technical Review<\/h2><p>DHDL offers transformer and power distribution equipment options for utility and industrial applications. For Vietnam projects, our first step is to review actual HV\/LV voltages, load capacity, environmental conditions and relevant specification documents.<\/p><p>Any project-specific configuration, standards compliance, test scope and delivery requirements must be confirmed in the technical offer before purchase.<\/p><a class=\"dvn-link\" href=\"\/product-category\/transformers\/\">Browse transformer range \u2192<\/a><\/div><div>\n<div class=\"dvn-feature\"><strong>Electrical specification review<\/strong><span>Voltage ratio, kVA\/MVA, impedance, tapping and connection configuration<\/span><\/div>\n<div class=\"dvn-feature\"><strong>Application-focused design discussion<\/strong><span>Outdoor utility use, indoor factories and industrial substations<\/span><\/div>\n<div class=\"dvn-feature\"><strong>Inspection &amp; testing coordination<\/strong><span>Agree routine tests and technical documentation with the buyer<\/span><\/div>\n<div class=\"dvn-feature\"><strong>Export order preparation<\/strong><span>Clarify packaging, documentation and delivery responsibilities<\/span><\/div>\n<\/div><\/div><\/section>\n\n<section class=\"dvn-section\" id=\"vietnam-faq\"><div class=\"dvn-container\"><span class=\"dvn-eyebrow\">07 \u00b7 COMMON QUESTIONS<\/span><h2>FAQ: Transformers for Vietnam<\/h2><div class=\"dvn-faq\">\n<details><summary>What is the common medium-voltage distribution level in Vietnam?<\/summary><p>22kV is important for many distribution and industrial applications, but the national voltage framework also includes 35, 15, 10 and 6kV levels. Confirm the actual utility point of connection for each project.<\/p><\/details>\n<details><summary>Can a 22\/0.4kV transformer be used for a Vietnam factory?<\/summary><p>It can be considered when the approved incoming supply and required low-voltage output match those ratings. Final winding voltage, capacity, tap range and insulation requirements must be confirmed from project documents.<\/p><\/details>\n<details><summary>Is 110\/22kV relevant for industrial parks?<\/summary><p>Yes, documented industrial-park grid projects include 110kV substations with 22kV feeders. That does not mean every park has the same configuration.<\/p><\/details>\n<details><summary>What is Vietnam&#8217;s nominal grid frequency?<\/summary><p>50Hz under the national electricity regulations. The supplied transformer specification and any project-specific requirements should still state frequency explicitly.<\/p><\/details>\n<details><summary>What technical information is needed for a quotation?<\/summary><p>Share the single-line diagram, HV\/LV winding voltages, capacity, quantity, frequency, vector group, impedance, installation conditions, applicable standards and required acceptance tests.<\/p><\/details>\n<details><summary>Can DHDL supply customized transformers for Vietnam?<\/summary><p>DHDL can review custom technical requirements and propose suitable options where manufacturing capability and project specifications allow. Final feasibility and compliance are subject to confirmation.<\/p><\/details>\n<\/div><\/div><\/section>\n\n<section class=\"dvn-section\"><div class=\"dvn-container\"><div class=\"dvn-final\"><span class=\"dvn-eyebrow\" style=\"color:#a9d2ff\">08 \u00b7 PROJECT INQUIRY<\/span><h2>Need a Transformer for Your Vietnam Project?<\/h2><p>Send your project location, HV\/LV voltage ratio, capacity, quantity, installation conditions and electrical drawing. Our team can review the information and discuss an appropriate transformer solution.<\/p><div class=\"dvn-cta-row\"><a class=\"dvn-btn dvn-btn-primary\" style=\"background:#fff;color:#0c4279!important;border-color:#fff\" href=\"\/contact-us\/\">Request a Quote \u2192<\/a><a class=\"dvn-btn dvn-btn-outline\" href=\"\/product-category\/transformers\/\">View Transformer Range<\/a><\/div><\/div>\n<div class=\"dvn-footnotes\"><p class=\"dvn-small\">Technical reference: <a href=\"https:\/\/vbpl.moj.gov.vn\/hanam\/Pages\/vbpq-print.aspx?ItemID=175003\" target=\"_blank\" rel=\"noopener noreferrer\">Vietnam Ministry of Industry and Trade \u2014 Circular 05\/2025\/TT-BCT, Article 6<\/a>; <a href=\"https:\/\/en.evn.com.vn\/d\/en-US\/news\/EVNSPC-inaugurates-key-power-project-ensuring-electricity-supply-for-industrial-loads-in-Tay-Ninh-Province-60-202-501238\" target=\"_blank\" rel=\"noopener noreferrer\">EVN \u2014 An Hoi 110kV substation and 22kV industrial-park feeders<\/a>. Reference voltages are not final specifications or supply commitments.<\/p><\/div>\n<\/div><\/section>\n<\/main>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":38925,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-38939","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>COUNTRY-SPECIFIC TRANSFORMER SOLUTIONS \u00b7 VIETNAM - Dinghongtransformer<\/title>\n<meta name=\"description\" content=\"Explore transformer solutions for Vietnam\u2019s 22kV and 35kV grids, industrial parks and 110\/22kV substations, including 50Hz and tropical site requirements.\" \/>\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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