{"id":1751,"date":"2026-08-13T11:57:45","date_gmt":"2026-08-13T03:57:45","guid":{"rendered":"https:\/\/www.zishengelectric.com\/?post_type=product&#038;p=1751"},"modified":"2026-08-13T11:57:45","modified_gmt":"2026-08-13T03:57:45","slug":"35kv-46kv-power-transformer","status":"publish","type":"product","link":"https:\/\/www.zishengelectric.com\/fr\/product\/35kv-46kv-power-transformer","title":{"rendered":"35kV 46kV Power Transformer"},"content":{"rendered":"<p class=\"isSelectedEnd\">ZISHENG 35kV\u201346kV Power Transformers are designed for reliable voltage transformation in power transmission, distribution, industrial, mining, renewable energy, and utility applications. The transformers can be engineered according to project requirements, including capacity, voltage level, cooling method, insulation level, winding material, tap-changing system, and protection configuration.<\/p>\n<h3>Product Scope<\/h3>\n<ul data-spread=\"false\">\n<li>Rated capacity: 300 kVA\u2013100,000 kVA<\/li>\n<li>Voltage class: up to 46 kV, with higher-voltage designs available according to project requirements<\/li>\n<li>Cooling: ONAN \/ ONAF<\/li>\n<li>Frequency: 50 Hz \/ 60 Hz<\/li>\n<li>Insulation: Mineral oil or environmentally friendly high-fire-point FR3 fluid<\/li>\n<li>Winding material: Aluminum or copper<\/li>\n<li>Application: Power grid, substations, industrial facilities, mining, oil &amp; gas, renewable energy, and infrastructure projects<\/li>\n<\/ul>\n<h3>Standard Features<\/h3>\n<ul data-spread=\"false\">\n<li>High-grade silicon-steel magnetic core<\/li>\n<li>Low-loss and high-efficiency core design<\/li>\n<li>Reinforced carbon-steel tank<\/li>\n<li>High-quality aluminum windings<\/li>\n<li>On-load or de-energized tap changer options<\/li>\n<li>Externally clamped HV and LV bushings<\/li>\n<li>Pressure relief device<\/li>\n<li>Pressure-vacuum gauge<\/li>\n<li>Liquid temperature indicator<\/li>\n<li>Liquid level indicator<\/li>\n<li>Drain and oil-sampling valve<\/li>\n<li>Grounding pads\/lugs<\/li>\n<li>Nitrogen blanket<\/li>\n<li>Lifting lugs<\/li>\n<li>65\u00b0C temperature-rise design<\/li>\n<\/ul>\n<h3>Optional Configurations<\/h3>\n<ul data-spread=\"false\">\n<li>Copper windings<\/li>\n<li>Stainless-steel tank<\/li>\n<li>OLTC automatic voltage regulation<\/li>\n<li>DETC off-circuit tap changer<\/li>\n<li>Auxiliary control cabinet<\/li>\n<li>Winding temperature indicator<\/li>\n<li>Fan cooling package for ONAN\/ONAF operation<\/li>\n<li>Gauges with electrical contacts<\/li>\n<li>Sudden-pressure relay<\/li>\n<li>Lightning arresters<\/li>\n<li>Primary load-interrupter switch<\/li>\n<li>Electrostatic shielding<\/li>\n<li>K-rated design<\/li>\n<li>55\u00b0C \/ 65\u00b0C temperature-rise options<\/li>\n<li>Step-up design for solar and wind power applications<\/li>\n<\/ul>\n<h3>Key Advantages<\/h3>\n<p class=\"isSelectedEnd\">The 35kV\u201346kV Power Transformer uses optimized core and winding designs to reduce no-load and load losses while maintaining stable operation under demanding electrical conditions. High-quality insulating materials and a robust tank structure provide reliable insulation and mechanical protection.<\/p>\n<p class=\"isSelectedEnd\">The transformer can be customized for different grid voltage levels, power capacities, environmental conditions, installation methods, and project standards. This makes it suitable for medium- and high-voltage substations, industrial power systems, renewable energy projects, and utility distribution networks.<\/p>\n<p class=\"isSelectedEnd\">ZISHENG applies process control from raw-material selection and component manufacturing through assembly and final testing. Each transformer is subject to performance and electrical tests before shipment to ensure compliance with the agreed technical specifications.<\/p>\n<h3>Customization<\/h3>\n<p class=\"isSelectedEnd\">All technical parameters can be customized according to the project requirements, including:<\/p>\n<ul data-spread=\"false\">\n<li>Capacity<\/li>\n<li>Primary and secondary voltage<\/li>\n<li>Frequency<\/li>\n<li>No-load and load losses<\/li>\n<li>Impedance<\/li>\n<li>Vector group<\/li>\n<li>Tap range and tap-changer type<\/li>\n<li>Cooling method<\/li>\n<li>Winding material<\/li>\n<li>Insulation level \/ BIL<\/li>\n<li>Tank and enclosure configuration<\/li>\n<li>Protection and monitoring accessories<\/li>\n<li>Applicable international or local standards<\/li>\n<\/ul>\n<p>The technical data above is for reference only. ZISHENG provides project-specific transformer designs based on the customer&#8217;s grid conditions, installation environment, operating requirements, and applicable standards.<\/p>","protected":false},"excerpt":{"rendered":"<p>35kV and 46kV power(electrical) transformer complies with international standards such as IEC and ANSI, and features high efficiency, low loss, and strong insulation. This product is widely used in power grid main transformers, power plants, industrial and mining enterprises, and large infrastructure projects. Key features include mineral oil or FR3 natural ester insulation (ONAN\/ONAF\/ODAF cooling options), copper or aluminum windings, primary voltages 35kV or 46kV (grounded wye or delta, with dual-voltage configurations), secondary voltages 6.6kV, 11kV, 13.8kV, 33kV, or custom (e.g., 13.8kV\/480V or 35kV\/11kV), BIL ratings 200\u2013650kV depending on voltage class, impedance typically 8\u201312%, \u00b12\u00d72.5% or \u00b15% off-load tap changer (OLTC optional), conservator tank or sealed tank design, Buchholz relay, pressure relief device, oil temperature gauges, winding temperature indicators, and ANSI 61 gray or custom tank finish.<\/p>","protected":false},"featured_media":1752,"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-1751","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\/fr\/wp-json\/wp\/v2\/product\/1751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/media\/1752"}],"wp:attachment":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/media?parent=1751"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1751"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1751"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}