{"id":1880,"date":"2026-09-02T15:10:20","date_gmt":"2026-09-02T07:10:20","guid":{"rendered":"https:\/\/www.zishengelectric.com\/?post_type=product&#038;p=1880"},"modified":"2026-09-02T15:10:20","modified_gmt":"2026-09-02T07:10:20","slug":"133kv-135kv-three-phase-power-transformer-high-voltage-substation-equipment","status":"publish","type":"product","link":"https:\/\/www.zishengelectric.com\/es\/product\/133kv-135kv-three-phase-power-transformer-high-voltage-substation-equipment","title":{"rendered":"133kV 135kV Three-Phase Power Transformer \u2013 High Voltage Substation Equipment"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"910\" data-end=\"1065\">The <strong data-start=\"914\" data-end=\"959\">133kV 135kV Three-Phase Power Transformer<\/strong> is designed for high-voltage substations and medium-to-large power transmission and distribution systems.<\/p>\n<p data-start=\"1067\" data-end=\"1380\">It converts high-voltage electrical power to the required medium- or low-voltage level for subsequent transmission, distribution, or industrial use. The transformer can be engineered according to different grid configurations, environmental conditions, load characteristics, and international technical standards.<\/p>\n<p data-start=\"1382\" data-end=\"1578\">The transformer adopts a robust oil-immersed construction with a high-efficiency magnetic core, optimized HV\/LV winding arrangement, reliable insulation system, and advanced cooling configuration.<\/p>\n<p data-start=\"1580\" data-end=\"1599\">It is suitable for:<\/p>\n<ul data-start=\"1601\" data-end=\"1848\">\n<li data-section-id=\"p1b3xh\" data-start=\"1601\" data-end=\"1622\">Utility substations<\/li>\n<li data-section-id=\"g8kk5o\" data-start=\"1623\" data-end=\"1652\">Power transmission networks<\/li>\n<li data-section-id=\"1eun78i\" data-start=\"1653\" data-end=\"1677\">Industrial substations<\/li>\n<li data-section-id=\"1u1fust\" data-start=\"1678\" data-end=\"1705\">Renewable energy projects<\/li>\n<li data-section-id=\"18del2g\" data-start=\"1706\" data-end=\"1742\">Mining and infrastructure projects<\/li>\n<li data-section-id=\"ses3xu\" data-start=\"1743\" data-end=\"1765\">Oil &amp; gas facilities<\/li>\n<li data-section-id=\"u9cfk6\" data-start=\"1766\" data-end=\"1810\">Large commercial and industrial facilities<\/li>\n<li data-section-id=\"1nl75ji\" data-start=\"1811\" data-end=\"1848\">Regional power distribution systems<\/li>\n<\/ul>\n<hr data-start=\"1850\" data-end=\"1853\" \/>\n<h1 data-section-id=\"u0ybrq\" data-start=\"1855\" data-end=\"1869\">Key Features<\/h1>\n<h3 data-section-id=\"11j2pbe\" data-start=\"1871\" data-end=\"1897\">1. High-Voltage Design<\/h3>\n<p data-start=\"1899\" data-end=\"2041\">Engineered for <strong data-start=\"1914\" data-end=\"1963\">133kV \/ 135kV class high-voltage applications<\/strong>, with insulation systems designed according to project-specific requirements.<\/p>\n<h3 data-section-id=\"mz7elf\" data-start=\"2043\" data-end=\"2065\">2. High Efficiency<\/h3>\n<p data-start=\"2067\" data-end=\"2122\">Optimized magnetic core and winding design help reduce:<\/p>\n<ul data-start=\"2124\" data-end=\"2209\">\n<li data-section-id=\"1x7cpef\" data-start=\"2124\" data-end=\"2140\">No-load losses<\/li>\n<li data-section-id=\"15b0iqj\" data-start=\"2141\" data-end=\"2154\">Load losses<\/li>\n<li data-section-id=\"4bsz15\" data-start=\"2155\" data-end=\"2178\">Operating temperature<\/li>\n<li data-section-id=\"1ouscau\" data-start=\"2179\" data-end=\"2209\">Long-term energy consumption<\/li>\n<\/ul>\n<h3 data-section-id=\"1rqe413\" data-start=\"2211\" data-end=\"2249\">3. Strong Short-Circuit Resistance<\/h3>\n<p data-start=\"2251\" data-end=\"2378\">The winding structure is mechanically reinforced to withstand electromagnetic forces generated during short-circuit conditions.<\/p>\n<h3 data-section-id=\"1yx97u9\" data-start=\"2380\" data-end=\"2413\">4. Reliable Insulation System<\/h3>\n<p data-start=\"2415\" data-end=\"2560\">High-quality insulation materials and carefully controlled manufacturing processes provide reliable dielectric performance and long service life.<\/p>\n<h3 data-section-id=\"1961p3g\" data-start=\"2562\" data-end=\"2585\">5. Advanced Cooling<\/h3>\n<p data-start=\"2587\" data-end=\"2695\">Cooling configuration can be selected according to transformer capacity and operating conditions, including:<\/p>\n<ul data-start=\"2697\" data-end=\"2759\">\n<li data-section-id=\"1j3xkti\" data-start=\"2697\" data-end=\"2703\">ONAN<\/li>\n<li data-section-id=\"1j3xktq\" data-start=\"2704\" data-end=\"2710\">ONAF<\/li>\n<li data-section-id=\"1j3xe3q\" data-start=\"2711\" data-end=\"2717\">OFAF<\/li>\n<li data-section-id=\"99vwbl\" data-start=\"2718\" data-end=\"2759\">Other customized cooling configurations<\/li>\n<\/ul>\n<h3 data-section-id=\"2y7774\" data-start=\"2761\" data-end=\"2803\">6. Flexible Tap-Changing Configuration<\/h3>\n<p data-start=\"2805\" data-end=\"2872\">Depending on the application, the transformer can be equipped with:<\/p>\n<ul data-start=\"2874\" data-end=\"2928\">\n<li data-section-id=\"19mk3s8\" data-start=\"2874\" data-end=\"2899\">Off-circuit tap changer<\/li>\n<li data-section-id=\"wji7s6\" data-start=\"2900\" data-end=\"2928\">On-load tap changer (OLTC)<\/li>\n<\/ul>\n<p data-start=\"2930\" data-end=\"3016\">The tap range can be customized according to the grid voltage regulation requirements.<\/p>\n<h3 data-section-id=\"x58kid\" data-start=\"3018\" data-end=\"3043\">7. Custom Engineering<\/h3>\n<p data-start=\"3045\" data-end=\"3162\">Transformer parameters can be customized for EPC, utility, industrial, renewable energy, and infrastructure projects.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"270\" data-end=\"486\"><strong data-start=\"270\" data-end=\"317\">133kV \/ 135kV Three-Phase Power Transformer<\/strong> is a high-voltage oil-immersed transformer designed for substations, utility networks, industrial power systems, and large-scale transmission and distribution projects.<\/p>\n<p data-start=\"488\" data-end=\"730\">Manufactured with high-quality magnetic steel, optimized winding structures, and robust insulation systems, the transformer provides reliable voltage transformation, low losses, strong short-circuit resistance, and stable long-term operation.<\/p>\n<p data-start=\"732\" data-end=\"879\"><strong data-start=\"732\" data-end=\"879\">Custom voltage ratios, capacity, vector groups, cooling systems, tap changers, and accessories are available according to project requirements.<\/strong><\/p>","protected":false},"featured_media":1881,"template":"","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false},"product_brand":[],"product_cat":[71],"product_tag":[],"class_list":["post-1880","product","type-product","status-publish","has-post-thumbnail","product_cat-oil-immersed-transformer","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/product\/1880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/media\/1881"}],"wp:attachment":[{"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/media?parent=1880"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/product_brand?post=1880"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/product_cat?post=1880"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/es\/wp-json\/wp\/v2\/product_tag?post=1880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}