{"id":1668,"date":"2026-08-05T13:42:33","date_gmt":"2026-08-05T05:42:33","guid":{"rendered":"https:\/\/www.zishengelectric.com\/?post_type=product&#038;p=1668"},"modified":"2026-08-05T13:42:33","modified_gmt":"2026-08-05T05:42:33","slug":"31500kva-35kv-oil-immersed-copper-transformer-for-substation","status":"publish","type":"product","link":"https:\/\/www.zishengelectric.com\/ru\/product\/31500kva-35kv-oil-immersed-copper-transformer-for-substation","title":{"rendered":"31500kVA 35kV Oil-Immersed Copper Transformer For Substation"},"content":{"rendered":"<p class=\"isSelectedEnd\">The Zisheng 31500kVA 35kV Oil-Immersed Copper Transformer is a high-performance three-phase power transformer specially designed for medium and high-voltage substations, industrial power distribution systems, renewable energy projects, and utility grid applications. With a rated capacity of 31.5MVA and a voltage class of 35kV, this transformer provides efficient and stable voltage conversion for large-scale power transmission and distribution networks.<\/p>\n<p class=\"isSelectedEnd\">Designed according to international transformer manufacturing standards, this oil-immersed transformer combines advanced structural design, high-quality copper windings, premium electrical insulation materials, and strict manufacturing processes to achieve excellent electrical performance, low energy consumption, strong overload capability, and long service life.<\/p>\n<p class=\"isSelectedEnd\">The transformer is suitable for continuous operation in various environmental conditions, including high-temperature, high-humidity, dusty, and outdoor installation environments. It provides reliable power support for substations, industrial facilities, mining operations, renewable energy plants, and infrastructure projects.<\/p>\n<h2>Advanced Copper Winding Design<\/h2>\n<p class=\"isSelectedEnd\">The transformer adopts high-quality copper conductors for both high-voltage and low-voltage windings. Compared with aluminum winding designs, copper windings provide lower electrical resistance, better conductivity, improved heat dissipation performance, and reduced power losses.<\/p>\n<p class=\"isSelectedEnd\">The optimized winding structure enhances the transformer&#8217;s ability to withstand sudden short circuits and mechanical stress during operation. The compact winding arrangement improves electromagnetic balance and ensures stable operation under heavy load conditions.<\/p>\n<h2>Efficient Oil-Immersed Cooling System<\/h2>\n<p class=\"isSelectedEnd\">The transformer uses high-quality insulating oil as the cooling and insulation medium. The oil circulation system effectively transfers heat generated during operation from the core and windings to the radiator, maintaining a safe operating temperature.<\/p>\n<p class=\"isSelectedEnd\">The oil-immersed structure provides excellent cooling efficiency and allows the transformer to operate continuously with high reliability. The cooling system can be customized according to capacity requirements and project conditions, including natural air cooling (ONAN) or forced air cooling (ONAF).<\/p>\n<h2>High-Quality Core Structure<\/h2>\n<p class=\"isSelectedEnd\">The transformer core is manufactured using premium cold-rolled grain-oriented silicon steel sheets with advanced processing technology. The core joints are carefully designed to reduce magnetic flux leakage, minimize no-load losses, and improve overall energy efficiency.<\/p>\n<p class=\"isSelectedEnd\">The optimized core design helps reduce operating costs by lowering energy consumption while maintaining stable magnetic performance throughout the transformer&#8217;s service life.<\/p>\n<h2>Strong Insulation Performance and Safety Design<\/h2>\n<p class=\"isSelectedEnd\">The transformer adopts a multi-layer insulation system to ensure reliable electrical insulation between windings, between phases, and between windings and ground.<\/p>\n<p class=\"isSelectedEnd\">High-quality insulation materials with excellent heat resistance and aging resistance are selected to maintain insulation performance during long-term operation. The transformer is designed to withstand voltage fluctuations, overload conditions, and harsh working environments.<\/p>\n<h2>Excellent Short-Circuit Resistance<\/h2>\n<p class=\"isSelectedEnd\">The transformer structure is reinforced through advanced manufacturing technology, ensuring strong mechanical strength and resistance against short-circuit forces.<\/p>\n<p class=\"isSelectedEnd\">The winding clamping system is precisely designed and assembled to maintain stable positioning during transportation, installation, and operation. This improves operational safety and reduces the risk of internal deformation caused by electrical faults.<\/p>\n<h2>Reliable Tank and Protection Structure<\/h2>\n<p class=\"isSelectedEnd\">The transformer tank is manufactured from high-strength steel plates with professional welding technology to ensure mechanical strength and sealing performance.<\/p>\n<p class=\"isSelectedEnd\">The sealed tank structure effectively prevents moisture, dust, and external environmental factors from affecting internal components. The surface treatment process provides excellent corrosion resistance, making the transformer suitable for outdoor substations and challenging environments.<\/p>\n<p class=\"isSelectedEnd\">Optional protection accessories can be provided according to project requirements, including:<\/p>\n<ul data-spread=\"false\">\n<li>Oil level indicator<\/li>\n<li>Pressure relief device<\/li>\n<li>Buchholz relay<\/li>\n<li>Temperature monitoring system<\/li>\n<li>Gas relay protection<\/li>\n<li>Online monitoring system<\/li>\n<\/ul>\n<h2>Energy Saving and Low Operating Cost<\/h2>\n<p class=\"isSelectedEnd\">The Zisheng 31500kVA transformer adopts an energy-efficient design to reduce both no-load losses and load losses. By using advanced core materials, optimized electromagnetic design, and high-conductivity copper windings, the transformer helps customers reduce electricity consumption and improve overall system efficiency.<\/p>\n<p class=\"isSelectedEnd\">The low-loss design is especially suitable for long-term operation in power grids, renewable energy projects, and industrial applications where energy efficiency and operating costs are critical considerations.<\/p>\n<h2>Wide Range of Applications<\/h2>\n<p class=\"isSelectedEnd\">This 35kV oil-immersed copper transformer is widely used in:<\/p>\n<ul data-spread=\"false\">\n<li>Substation construction projects<\/li>\n<li>Power transmission and distribution networks<\/li>\n<li>Industrial factories and manufacturing facilities<\/li>\n<li>Mining and mineral processing projects<\/li>\n<li>Solar photovoltaic power stations<\/li>\n<li>Wind power generation projects<\/li>\n<li>Energy storage systems<\/li>\n<li>Commercial and infrastructure power supply projects<\/li>\n<li>Utility grid expansion and upgrading projects<\/li>\n<\/ul>\n<h2>Customized Transformer Solutions<\/h2>\n<p class=\"isSelectedEnd\">Zisheng provides customized transformer solutions according to different project requirements. The engineering team can adjust the transformer design based on installation environment, grid parameters, load requirements, and regional standards.<\/p>\n<p class=\"isSelectedEnd\">Available customization options include:<\/p>\n<ul data-spread=\"false\">\n<li>Rated voltage configuration<\/li>\n<li>Voltage ratio design<\/li>\n<li>Frequency selection (50Hz\/60Hz)<\/li>\n<li>Vector group configuration<\/li>\n<li>Impedance adjustment<\/li>\n<li>Loss level optimization<\/li>\n<li>Cooling method selection<\/li>\n<li>Terminal arrangement<\/li>\n<li>Protection accessories<\/li>\n<li>Special environmental designs<\/li>\n<\/ul>\n<h2>Quality Assurance and Testing<\/h2>\n<p class=\"isSelectedEnd\">Every Zisheng transformer undergoes strict quality inspection throughout the production process, including raw material inspection, core manufacturing, winding processing, assembly, oil treatment, and final testing.<\/p>\n<p class=\"isSelectedEnd\">Before shipment, each transformer is tested to verify:<\/p>\n<ul data-spread=\"false\">\n<li>Winding resistance<\/li>\n<li>Transformation ratio<\/li>\n<li>Insulation performance<\/li>\n<li>No-load loss<\/li>\n<li>Load loss<\/li>\n<li>Short-circuit impedance<\/li>\n<li>Dielectric strength<\/li>\n<li>Transformer oil quality<\/li>\n<li>Overall operational performance<\/li>\n<\/ul>\n<p>Through strict quality control and professional manufacturing experience, Zisheng ensures that each 31500kVA 35kV Oil-Immersed Copper Transformer delivers reliable performance, long service life, and stable operation for global power projects.<\/p>","protected":false},"excerpt":{"rendered":"<p>The 31500kVA 35kV Oil-Immersed Copper Transformer is engineered for high-capacity, stable, and efficient power distribution across industrial plants, substations, and utility networks. Built with a high-purity copper winding structure, the transformer ensures superior conductivity, reduced losses, and long-term reliability under continuous heavy-load operation. Its oil-immersed insulation system provides excellent thermal performance, enabling stable operation even in demanding outdoor environments. The robust 35kV design enhances voltage regulation, short-circuit resistance, and overall safety. Advanced manufacturing standards, precision coil winding, and strict quality control ensure exceptional dielectric strength and mechanical durability.<\/p>","protected":false},"featured_media":1669,"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-1668","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\/ru\/wp-json\/wp\/v2\/product\/1668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/media\/1669"}],"wp:attachment":[{"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/media?parent=1668"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/product_brand?post=1668"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/product_cat?post=1668"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ru\/wp-json\/wp\/v2\/product_tag?post=1668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}