{"id":1202,"date":"2026-05-30T03:10:44","date_gmt":"2026-05-30T03:10:44","guid":{"rendered":"https:\/\/haochengcompany.com\/?page_id=1202"},"modified":"2026-07-04T15:15:59","modified_gmt":"2026-07-04T15:15:59","slug":"low-loss-oltc-transformer","status":"publish","type":"page","link":"https:\/\/haochengcompany.com\/fr\/transformer-series\/low-loss-oltc-transformer\/","title":{"rendered":"Low Loss Oltc Transformer"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1202\" class=\"elementor elementor-1202\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef616e4 e-flex e-con-boxed e-con e-parent\" data-id=\"ef616e4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f26674 elementor-widget elementor-widget-bdt-breadcrumbs\" data-id=\"7f26674\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-breadcrumbs.default\">\n\t\t\t\t\t<div class='bdt-ep-breadcrumbs-wrapper'><ul class=\"bdt-ep-breadcrumb breadcrumb-align-left\"><li><a href=\"https:\/\/haochengcompany.com\/fr\/\"><span class=\"bdt-ep-breadcrumbs-home-icon\"> <i aria-hidden=\"true\" class=\"fas fa-home\"><\/i> <\/span>Home<\/a><\/li>\n<li><span> Page<\/span><\/li>\n<\/ul><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6e1c1d1 e-flex e-con-boxed e-con e-child\" data-id=\"6e1c1d1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9feeadf e-con-full e-flex e-con e-child\" data-id=\"9feeadf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-74d7197 e-con-full e-flex e-con e-child\" data-id=\"74d7197\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fedd99d elementor-widget elementor-widget-image\" data-id=\"fedd99d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/low-loss-oltc-transformer.webp\" class=\"attachment-large size-large wp-image-607\" alt=\"\" srcset=\"https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/low-loss-oltc-transformer.webp 1000w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/low-loss-oltc-transformer-300x300.webp 300w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/low-loss-oltc-transformer-150x150.webp 150w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/low-loss-oltc-transformer-768x768.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-edee3d3 e-con-full e-flex e-con e-child\" data-id=\"edee3d3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dea7b1d elementor-widget elementor-widget-heading\" data-id=\"dea7b1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Low Loss Oltc Transformer<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-051e0bd elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"051e0bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Customizable<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2b1727 elementor-widget elementor-widget-text-editor\" data-id=\"e2b1727\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The 110kV three-winding tap-changing transformer is a core power device in high-voltage power grids, mainly used to achieve the conversion, distribution, and precise voltage regulation of 110kV level electrical energy.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-722c5f5 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"722c5f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEzNCIsInRvZ2dsZSI6ZmFsc2V9\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">INQUIRY<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-645a5d9 e-flex e-con-boxed e-con e-parent\" data-id=\"645a5d9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-911e885 elementor-widget elementor-widget-html\" data-id=\"911e885\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n    <meta charset=\"UTF-8\">\r\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n    <title>SFSZ11 110kV Three-winding On-load Tap-changing Transformer<\/title>\r\n    <style>\r\n        * {\r\n            margin: 0;\r\n            padding: 0;\r\n            box-sizing: border-box;\r\n            font-family: Arial, sans-serif;\r\n        }\r\n        .mns-wrap {\r\n            max-width: 1400px;\r\n            margin: 20px auto;\r\n            padding: 0 20px;\r\n            line-height: 1.6;\r\n            color: #333;\r\n        }\r\n        .mns-card {\r\n            background: #fff;\r\n            border-radius: 8px;\r\n            padding: 20px;\r\n            margin-bottom: 20px;\r\n            box-shadow: 0 2px 8px rgba(0,0,0,0.1);\r\n        }\r\n        .mns-section-title {\r\n            font-size: 18px;\r\n            font-weight: bold;\r\n            margin-bottom: 12px;\r\n            color: #222;\r\n        }\r\n        .mns-paragraph {\r\n            margin-bottom: 10px;\r\n            text-align: justify;\r\n        }\r\n        .mns-table {\r\n            width: 100%;\r\n            border-collapse: collapse;\r\n            margin-top: 10px;\r\n            margin-bottom: 15px;\r\n            overflow-x: auto;\r\n            display: block;\r\n        }\r\n        .mns-table th,\r\n        .mns-table td {\r\n            border: 1px solid #ddd;\r\n            padding: 8px;\r\n            vertical-align: middle;\r\n            text-align: center;\r\n            white-space: nowrap;\r\n        }\r\n        \/* \u6df1\u84dd\u8272\u68af\u5ea6\u8868\u5934\uff0c\u5b8c\u5168\u5339\u914d\u539f\u56fe\u89c6\u89c9 *\/\r\n        .mns-table thead tr th {\r\n            background-color: #3a566e;\r\n            color: #fff;\r\n            font-weight: normal;\r\n            font-size: 12px;\r\n        }\r\n        .mns-table thead tr th.sub-header {\r\n            background-color: #4a6984;\r\n        }\r\n        .mns-table tbody td {\r\n            font-size: 12px;\r\n        }\r\n        \/* \u77ed\u8def\u963b\u6297\u5217\u5206\u7ec4\u6807\u6ce8\u6837\u5f0f *\/\r\n        .mns-impedance-group {\r\n            font-size: 11px;\r\n            color: #555;\r\n            line-height: 1.4;\r\n        }\r\n        \/* \u54cd\u5e94\u5f0f\u9002\u914d\uff0c\u624b\u673a\u7aef\u81ea\u52a8\u7f29\u5c0f\u5b57\u4f53+\u6a2a\u5411\u6eda\u52a8 *\/\r\n        @media (max-width: 768px) {\r\n            .mns-table {\r\n                font-size: 10px;\r\n            }\r\n            .mns-table th, .mns-table td {\r\n                padding: 4px;\r\n            }\r\n        }\r\n    <\/style>\r\n<\/head>\r\n<body>\r\n    <div class=\"mns-wrap\">\r\n        <!-- Product Overview -->\r\n        <div class=\"mns-card\">\r\n            <div class=\"mns-section-title\">Product Overview<\/div>\r\n            <p class=\"mns-paragraph\">\r\n                The 110kV three-winding tap-changing transformer is a core power device in high-voltage power grids, mainly used to achieve the conversion, distribution, and precise voltage regulation of 110kV level electrical energy. It is widely applicable in scenarios such as urban power supply, industrial production, and new energy grid connection, serving as a key \"energy hub\" connecting high-voltage transmission lines with medium- and low-voltage distribution networks. With the advantages of multi-voltage outputs from its three-winding structure and the stability of its voltage regulation function, it can meet the low-loss requirements of long-distance transmission while ensuring the safe and stable operation of downstream electrical equipment. In the power system, it undertakes the dual core missions of \"energy transfer\" and \"voltage stabilization.\"\r\n            <\/p>\r\n        <\/div>\r\n\r\n        <!-- Core Advantage -->\r\n        <div class=\"mns-card\">\r\n            <div class=\"mns-section-title\">Core Advantage<\/div>\r\n            <p class=\"mns-paragraph\">\r\n                The core advantages of the SFSZ11 110kV three-phase three-winding on-load tap-changer power transformer lie in high efficiency and energy saving, multiple voltage regulation capabilities, reliable structure, and intelligent operation and maintenance. It is suitable for large substations, power plants, and high-load industrial power supply systems.\r\n            <\/p>\r\n        <\/div>\r\n\r\n        <!-- Technical Specifications Table -->\r\n        <div class=\"mns-card\">\r\n            <div class=\"mns-section-title\">Technical Specifications<\/div>\r\n            <p style=\"margin-bottom: 10px; font-size: 13px; color: #444;\">SFSZ11 type 110kV class 6300kVA-63000kVA three-phase three-winding on-load tap-changing power transformer<\/p>\r\n            <table class=\"mns-table\">\r\n                <thead>\r\n                    <tr>\r\n                        <th rowspan=\"3\">Rated Capacity (kVA)<\/th>\r\n                        <th colspan=\"3\">Rated Voltage(kV)<\/th>\r\n                        <th rowspan=\"3\">Connection Group<\/th>\r\n                        <th colspan=\"2\">Damage (kW)<\/th>\r\n                        <th rowspan=\"3\">No-load current (%)<\/th>\r\n                        <th rowspan=\"3\">Noise<\/th>\r\n                        <th colspan=\"2\">Short-circuit impedance (%)<\/th>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <th rowspan=\"2\">High pressure<\/th>\r\n                        <th rowspan=\"2\">Medium pressure<\/th>\r\n                        <th rowspan=\"2\">Low pressure<\/th>\r\n                        <th rowspan=\"2\">Damage (kW)<\/th>\r\n                        <th rowspan=\"2\">Load<\/th>\r\n                        <th rowspan=\"2\">Boost<\/th>\r\n                        <th rowspan=\"2\">Noise<\/th>\r\n                    <\/tr>\r\n                    <tr><\/tr>\r\n                <\/thead>\r\n                <tbody>\r\n                    <tr>\r\n                        <td>6300<\/td>\r\n                        <td rowspan=\"10\">110<br>121\u00b18\u00d71.25%<\/td>\r\n                        <td rowspan=\"10\">35<br>38.5<\/td>\r\n                        <td rowspan=\"10\">6.3<br>6.6<br>10.5<br>11<\/td>\r\n                        <td rowspan=\"10\">Ynyn0d11<\/td>\r\n                        <td>11.20<\/td>\r\n                        <td>47.70<\/td>\r\n                        <td>1.00<\/td>\r\n                        <td>60<\/td>\r\n                        <td rowspan=\"10\" class=\"mns-impedance-group\">High-Medium<br>17-18<br><br>High-Low<br>10.5<br><br>Medium-Low<br>6.5<\/td>\r\n                        <td rowspan=\"10\" class=\"mns-impedance-group\">High-Medium<br>10.5<br><br>High-Low<br>17-18<br><br>Medium-Low<br>6.5<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>8000<\/td>\r\n                        <td>13.30<\/td>\r\n                        <td>56.70<\/td>\r\n                        <td>0.95<\/td>\r\n                        <td>60<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>10000<\/td>\r\n                        <td>15.80<\/td>\r\n                        <td>66.60<\/td>\r\n                        <td>0.90<\/td>\r\n                        <td>61<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>12500<\/td>\r\n                        <td>18.40<\/td>\r\n                        <td>78.30<\/td>\r\n                        <td>0.85<\/td>\r\n                        <td>61<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>16000<\/td>\r\n                        <td>22.40<\/td>\r\n                        <td>95.40<\/td>\r\n                        <td>0.80<\/td>\r\n                        <td>61<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>20000<\/td>\r\n                        <td>26.40<\/td>\r\n                        <td>112.50<\/td>\r\n                        <td>0.75<\/td>\r\n                        <td>62<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>25000<\/td>\r\n                        <td>30.80<\/td>\r\n                        <td>133.20<\/td>\r\n                        <td>0.70<\/td>\r\n                        <td>62<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>31500<\/td>\r\n                        <td>36.80<\/td>\r\n                        <td>157.50<\/td>\r\n                        <td>0.65<\/td>\r\n                        <td>62<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>40000<\/td>\r\n                        <td>43.60<\/td>\r\n                        <td>189.00<\/td>\r\n                        <td>0.55<\/td>\r\n                        <td>62<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>50000<\/td>\r\n                        <td>52.00<\/td>\r\n                        <td>225.00<\/td>\r\n                        <td>0.50<\/td>\r\n                        <td>62<\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>63000<\/td>\r\n                        <td>110<br>121\u00b18\u00d71.25%<\/td>\r\n                        <td>35<br>38.5<\/td>\r\n                        <td>6.3<br>6.6<br>10.5<br>11<\/td>\r\n                        <td>Ynyn0d11<\/td>\r\n                        <td>61.60<\/td>\r\n                        <td>270.00<\/td>\r\n                        <td>0.50<\/td>\r\n                        <td>62<\/td>\r\n                        <td class=\"mns-impedance-group\">High-Medium<br>17-18<br><br>High-Low<br>10.5<br><br>Medium-Low<br>6.5<\/td>\r\n                        <td class=\"mns-impedance-group\">High-Medium<br>10.5<br><br>High-Low<br>17-18<br><br>Medium-Low<br>6.5<\/td>\r\n                    <\/tr>\r\n                <\/tbody>\r\n            <\/table>\r\n        <\/div>\r\n    <\/div>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home \u9875\u9762 Low Loss Oltc Transformer Customizable The 110kV three-winding tap-changing transformer is a core power device in high-voltage power grids, mainly used to achieve the conversion, distribution, and precise voltage regulation of 110kV level electrical energy.\u00a0 INQUIRY SFSZ11 110kV Three-winding On-load Tap-changing Transformer Product Overview The 110kV three-winding tap-changing transformer is a core power [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":636,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_joinchat":[],"footnotes":""},"class_list":["post-1202","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/1202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/comments?post=1202"}],"version-history":[{"count":7,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/1202\/revisions"}],"predecessor-version":[{"id":1771,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/1202\/revisions\/1771"}],"up":[{"embeddable":true,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/636"}],"wp:attachment":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/media?parent=1202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}