{"id":1636,"date":"2026-08-03T09:44:34","date_gmt":"2026-08-03T01:44:34","guid":{"rendered":"https:\/\/www.zishengelectric.com\/?post_type=product&#038;p=1636"},"modified":"2026-08-03T09:44:35","modified_gmt":"2026-08-03T01:44:35","slug":"50kva-oil-immersed-transformer","status":"publish","type":"product","link":"https:\/\/www.zishengelectric.com\/ar\/product\/50kva-oil-immersed-transformer","title":{"rendered":"50kVA Oil Immersed Transformer"},"content":{"rendered":"<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"937c31d6-5189-49a3-b47b-e8366ff50502\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\">\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"4lz9le\" data-start=\"54\" data-end=\"76\">1. Product Overview<\/h2>\n<p data-start=\"78\" data-end=\"352\">ZISHENG 50kVA Oil Immersed Transformer is a high-efficiency distribution transformer designed for reliable voltage conversion and power distribution in utility networks, industrial facilities, commercial buildings, renewable energy projects, and infrastructure applications.<\/p>\n<p data-start=\"354\" data-end=\"576\">The transformer adopts high-quality insulating oil as the cooling and insulation medium, providing excellent heat dissipation performance, strong overload capacity, and stable operation under continuous working conditions.<\/p>\n<p data-start=\"578\" data-end=\"822\">With advanced electromagnetic design, premium electrical materials, and strict manufacturing control, the 50kVA oil immersed transformer delivers low power loss, high energy efficiency, excellent short-circuit resistance, and long service life.<\/p>\n<p data-start=\"824\" data-end=\"997\">It is widely used in medium voltage distribution systems, especially for outdoor substations and projects requiring durable, economical, and reliable power supply solutions.<\/p>\n<hr data-start=\"999\" data-end=\"1002\" \/>\n<h1 data-section-id=\"1c1ddwf\" data-start=\"1004\" data-end=\"1031\">2. Product Specifications<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1033\" data-end=\"1745\">\n<thead data-start=\"1033\" data-end=\"1062\">\n<tr data-start=\"1033\" data-end=\"1062\">\n<th class=\"last:pe-10\" data-start=\"1033\" data-end=\"1045\" data-col-size=\"sm\">Parameter<\/th>\n<th class=\"last:pe-10\" data-start=\"1045\" data-end=\"1062\" data-col-size=\"sm\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1073\" data-end=\"1745\">\n<tr data-start=\"1073\" data-end=\"1122\">\n<td data-start=\"1073\" data-end=\"1088\" data-col-size=\"sm\">Product Name<\/td>\n<td data-start=\"1088\" data-end=\"1122\" data-col-size=\"sm\">50kVA Oil Immersed Transformer<\/td>\n<\/tr>\n<tr data-start=\"1123\" data-end=\"1149\">\n<td data-start=\"1123\" data-end=\"1140\" data-col-size=\"sm\">Rated Capacity<\/td>\n<td data-start=\"1140\" data-end=\"1149\" data-col-size=\"sm\">50kVA<\/td>\n<\/tr>\n<tr data-start=\"1150\" data-end=\"1210\">\n<td data-start=\"1150\" data-end=\"1169\" data-col-size=\"sm\">Transformer Type<\/td>\n<td data-col-size=\"sm\" data-start=\"1169\" data-end=\"1210\">Oil Immersed Distribution Transformer<\/td>\n<\/tr>\n<tr data-start=\"1211\" data-end=\"1249\">\n<td data-start=\"1211\" data-end=\"1219\" data-col-size=\"sm\">Phase<\/td>\n<td data-start=\"1219\" data-end=\"1249\" data-col-size=\"sm\">Single Phase \/ Three Phase<\/td>\n<\/tr>\n<tr data-start=\"1250\" data-end=\"1277\">\n<td data-start=\"1250\" data-end=\"1262\" data-col-size=\"sm\">Frequency<\/td>\n<td data-start=\"1262\" data-end=\"1277\" data-col-size=\"sm\">50Hz \/ 60Hz<\/td>\n<\/tr>\n<tr data-start=\"1278\" data-end=\"1314\">\n<td data-start=\"1278\" data-end=\"1300\" data-col-size=\"sm\">High Voltage Rating<\/td>\n<td data-start=\"1300\" data-end=\"1314\" data-col-size=\"sm\">Customized<\/td>\n<\/tr>\n<tr data-start=\"1315\" data-end=\"1350\">\n<td data-start=\"1315\" data-end=\"1336\" data-col-size=\"sm\">Low Voltage Rating<\/td>\n<td data-col-size=\"sm\" data-start=\"1336\" data-end=\"1350\">Customized<\/td>\n<\/tr>\n<tr data-start=\"1351\" data-end=\"1402\">\n<td data-start=\"1351\" data-end=\"1368\" data-col-size=\"sm\">Cooling Method<\/td>\n<td data-start=\"1368\" data-end=\"1402\" data-col-size=\"sm\">ONAN (Oil Natural Air Natural)<\/td>\n<\/tr>\n<tr data-start=\"1403\" data-end=\"1443\">\n<td data-start=\"1403\" data-end=\"1422\" data-col-size=\"sm\">Winding Material<\/td>\n<td data-start=\"1422\" data-end=\"1443\" data-col-size=\"sm\">Copper \/ Aluminum<\/td>\n<\/tr>\n<tr data-start=\"1444\" data-end=\"1483\">\n<td data-start=\"1444\" data-end=\"1464\" data-col-size=\"sm\">Insulation Medium<\/td>\n<td data-col-size=\"sm\" data-start=\"1464\" data-end=\"1483\">Transformer Oil<\/td>\n<\/tr>\n<tr data-start=\"1484\" data-end=\"1524\">\n<td data-start=\"1484\" data-end=\"1504\" data-col-size=\"sm\">Installation Type<\/td>\n<td data-start=\"1504\" data-end=\"1524\" data-col-size=\"sm\">Outdoor \/ Indoor<\/td>\n<\/tr>\n<tr data-start=\"1525\" data-end=\"1569\">\n<td data-start=\"1525\" data-end=\"1542\" data-col-size=\"sm\">Tap Adjustment<\/td>\n<td data-col-size=\"sm\" data-start=\"1542\" data-end=\"1569\">Off-circuit Tap Changer<\/td>\n<\/tr>\n<tr data-start=\"1570\" data-end=\"1618\">\n<td data-start=\"1570\" data-end=\"1586\" data-col-size=\"sm\">Core Material<\/td>\n<td data-start=\"1586\" data-end=\"1618\" data-col-size=\"sm\">Grain-Oriented Silicon Steel<\/td>\n<\/tr>\n<tr data-start=\"1619\" data-end=\"1660\">\n<td data-start=\"1619\" data-end=\"1631\" data-col-size=\"sm\">Tank Type<\/td>\n<td data-start=\"1631\" data-end=\"1660\" data-col-size=\"sm\">Sealed \/ Conservator Type<\/td>\n<\/tr>\n<tr data-start=\"1661\" data-end=\"1694\">\n<td data-start=\"1661\" data-end=\"1680\" data-col-size=\"sm\">Protection Class<\/td>\n<td data-start=\"1680\" data-end=\"1694\" data-col-size=\"sm\">Customized<\/td>\n<\/tr>\n<tr data-start=\"1695\" data-end=\"1745\">\n<td data-start=\"1695\" data-end=\"1707\" data-col-size=\"sm\">Standards<\/td>\n<td data-start=\"1707\" data-end=\"1745\" data-col-size=\"sm\">IEC \/ ANSI \/ Customer Requirements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"1747\" data-end=\"1750\" \/>\n<h1 data-section-id=\"15sho5z\" data-start=\"1752\" data-end=\"1778\">3. Main Structure Design<\/h1>\n<h2 data-section-id=\"1p8m9ae\" data-start=\"1780\" data-end=\"1807\">3.1 High-Efficiency Core<\/h2>\n<p data-start=\"1809\" data-end=\"1939\">The 50kVA Oil Immersed Transformer uses high-quality grain-oriented silicon steel sheets with advanced core processing technology.<\/p>\n<h3 data-section-id=\"q4c1cr\" data-start=\"1941\" data-end=\"1954\">Features:<\/h3>\n<ul data-start=\"1956\" data-end=\"2129\">\n<li data-section-id=\"1mc7dlh\" data-start=\"1956\" data-end=\"1974\">Low no-load loss<\/li>\n<li data-section-id=\"1uqoc6z\" data-start=\"1975\" data-end=\"2003\">Reduced excitation current<\/li>\n<li data-section-id=\"1kh8air\" data-start=\"2004\" data-end=\"2032\">Improved energy efficiency<\/li>\n<li data-section-id=\"1mgzs9m\" data-start=\"2033\" data-end=\"2062\">Lower operating temperature<\/li>\n<li data-section-id=\"1dy14x6\" data-start=\"2063\" data-end=\"2094\">Reduced electromagnetic noise<\/li>\n<li data-section-id=\"1xn1ap9\" data-start=\"2095\" data-end=\"2129\">Enhanced transformer reliability<\/li>\n<\/ul>\n<p data-start=\"2131\" data-end=\"2244\">The optimized core design reduces energy consumption during long-term operation and improves overall performance.<\/p>\n<hr data-start=\"2246\" data-end=\"2249\" \/>\n<h1 data-section-id=\"1owpif4\" data-start=\"2251\" data-end=\"2280\">3.2 Reliable Winding System<\/h1>\n<p data-start=\"2282\" data-end=\"2406\">The transformer winding is manufactured using high-quality copper or aluminum conductors according to customer requirements.<\/p>\n<h3 data-section-id=\"11jdyw4\" data-start=\"2408\" data-end=\"2423\">Advantages:<\/h3>\n<ul data-start=\"2425\" data-end=\"2569\">\n<li data-section-id=\"eh2hmb\" data-start=\"2425\" data-end=\"2449\">Excellent conductivity<\/li>\n<li data-section-id=\"1c0tsp4\" data-start=\"2450\" data-end=\"2476\">High mechanical strength<\/li>\n<li data-section-id=\"kebj9x\" data-start=\"2477\" data-end=\"2503\">Strong thermal stability<\/li>\n<li data-section-id=\"3xvo1v\" data-start=\"2504\" data-end=\"2533\">Good insulation performance<\/li>\n<li data-section-id=\"189b2aa\" data-start=\"2534\" data-end=\"2569\">Superior short-circuit resistance<\/li>\n<\/ul>\n<p data-start=\"2571\" data-end=\"2694\">The optimized winding structure ensures stable operation under different load conditions and improves equipment durability.<\/p>\n<hr data-start=\"2696\" data-end=\"2699\" \/>\n<h1 data-section-id=\"1q48qs6\" data-start=\"2701\" data-end=\"2734\">3.3 Advanced Oil Cooling System<\/h1>\n<p data-start=\"2736\" data-end=\"2832\">The transformer uses high-quality insulating oil for heat dissipation and electrical insulation.<\/p>\n<h3 data-section-id=\"1iaul7c\" data-start=\"2834\" data-end=\"2847\">Benefits:<\/h3>\n<ul data-start=\"2849\" data-end=\"3006\">\n<li data-section-id=\"129jehu\" data-start=\"2849\" data-end=\"2874\">Efficient heat transfer<\/li>\n<li data-section-id=\"1ey0hel\" data-start=\"2875\" data-end=\"2905\">Improved temperature control<\/li>\n<li data-section-id=\"svsork\" data-start=\"2906\" data-end=\"2934\">Better overload capability<\/li>\n<li data-section-id=\"129xnf7\" data-start=\"2935\" data-end=\"2965\">Enhanced insulation strength<\/li>\n<li data-section-id=\"1ggm9lf\" data-start=\"2966\" data-end=\"3006\">Stable operation under continuous load<\/li>\n<\/ul>\n<p data-start=\"3008\" data-end=\"3138\">The oil circulation system effectively transfers heat generated by the core and windings, maintaining safe operating temperatures.<\/p>\n<hr data-start=\"3140\" data-end=\"3143\" \/>\n<h1 data-section-id=\"1sgjqkt\" data-start=\"3145\" data-end=\"3175\">3.4 Durable Transformer Tank<\/h1>\n<p data-start=\"3177\" data-end=\"3281\">The transformer tank is manufactured with high-strength steel materials and advanced sealing technology.<\/p>\n<h3 data-section-id=\"q4c1cr\" data-start=\"3283\" data-end=\"3296\">Features:<\/h3>\n<ul data-start=\"3298\" data-end=\"3450\">\n<li data-section-id=\"1gci7ol\" data-start=\"3298\" data-end=\"3327\">Strong mechanical structure<\/li>\n<li data-section-id=\"ytryvj\" data-start=\"3328\" data-end=\"3359\">Excellent sealing performance<\/li>\n<li data-section-id=\"118oflk\" data-start=\"3360\" data-end=\"3390\">Moisture and dust resistance<\/li>\n<li data-section-id=\"klzxnv\" data-start=\"3391\" data-end=\"3419\">Outdoor weather protection<\/li>\n<li data-section-id=\"15as8j0\" data-start=\"3420\" data-end=\"3450\">Long-term service capability<\/li>\n<\/ul>\n<p data-start=\"3452\" data-end=\"3582\">The tank design allows stable operation in different environmental conditions, including high temperature and high humidity areas.<\/p>\n<hr data-start=\"3584\" data-end=\"3587\" \/>\n<h1 data-section-id=\"9j231r\" data-start=\"3589\" data-end=\"3612\">4. Product Advantages<\/h1>\n<h2 data-section-id=\"1hh0okb\" data-start=\"3614\" data-end=\"3633\">High Reliability<\/h2>\n<p data-start=\"3635\" data-end=\"3807\">The 50kVA Oil Immersed Transformer is designed for continuous operation in power distribution networks, providing stable voltage conversion and reliable electricity supply.<\/p>\n<hr data-start=\"3809\" data-end=\"3812\" \/>\n<h2 data-section-id=\"19pdtns\" data-start=\"3814\" data-end=\"3855\">Excellent Heat Dissipation Performance<\/h2>\n<p data-start=\"3857\" data-end=\"4038\">Compared with dry type transformers, oil immersed transformers have better cooling efficiency, making them suitable for outdoor applications and areas with variable load conditions.<\/p>\n<hr data-start=\"4040\" data-end=\"4043\" \/>\n<h2 data-section-id=\"kwluum\" data-start=\"4045\" data-end=\"4074\">Strong Overload Capability<\/h2>\n<p data-start=\"4076\" data-end=\"4208\">The efficient oil cooling system allows the transformer to withstand temporary overload conditions while maintaining safe operation.<\/p>\n<hr data-start=\"4210\" data-end=\"4213\" \/>\n<h2 data-section-id=\"1aujk67\" data-start=\"4215\" data-end=\"4251\">Superior Short-Circuit Resistance<\/h2>\n<p data-start=\"4253\" data-end=\"4389\">The reinforced winding structure improves mechanical strength and resistance against short-circuit forces, enhancing operational safety.<\/p>\n<hr data-start=\"4391\" data-end=\"4394\" \/>\n<h2 data-section-id=\"ayyuhr\" data-start=\"4396\" data-end=\"4425\">Energy Saving and Low Loss<\/h2>\n<p data-start=\"4427\" data-end=\"4500\">The transformer adopts low-loss materials and optimized design to reduce:<\/p>\n<ul data-start=\"4502\" data-end=\"4550\">\n<li data-section-id=\"1x7cpef\" data-start=\"4502\" data-end=\"4518\">No-load losses<\/li>\n<li data-section-id=\"15b0iqj\" data-start=\"4519\" data-end=\"4532\">Load losses<\/li>\n<li data-section-id=\"pzjfbh\" data-start=\"4533\" data-end=\"4550\">Operating costs<\/li>\n<\/ul>\n<p data-start=\"4552\" data-end=\"4631\">This helps customers improve energy efficiency and reduce electricity expenses.<\/p>\n<hr data-start=\"4633\" data-end=\"4636\" \/>\n<h2 data-section-id=\"1hv2jzo\" data-start=\"4638\" data-end=\"4658\">Long Service Life<\/h2>\n<p data-start=\"4660\" data-end=\"4779\">High-quality materials, reliable insulation systems, and strict production processes ensure long-term stable operation.<\/p>\n<hr data-start=\"4781\" data-end=\"4784\" \/>\n<h1 data-section-id=\"142to6h\" data-start=\"4786\" data-end=\"4809\">5. Technical Features<\/h1>\n<h2 data-section-id=\"11nmlxs\" data-start=\"4811\" data-end=\"4828\">Compact Design<\/h2>\n<p data-start=\"4830\" data-end=\"4920\">The transformer has a compact structure, convenient transportation, and easy installation.<\/p>\n<h2 data-section-id=\"1vd0zhz\" data-start=\"4922\" data-end=\"4955\">Outdoor Application Capability<\/h2>\n<p data-start=\"4957\" data-end=\"5021\">The sealed oil tank structure protects internal components from:<\/p>\n<ul data-start=\"5023\" data-end=\"5074\">\n<li data-section-id=\"1j4eem4\" data-start=\"5023\" data-end=\"5029\">Rain<\/li>\n<li data-section-id=\"1j40wse\" data-start=\"5030\" data-end=\"5036\">Dust<\/li>\n<li data-section-id=\"1h9cbht\" data-start=\"5037\" data-end=\"5047\">Humidity<\/li>\n<li data-section-id=\"mbffiv\" data-start=\"5048\" data-end=\"5074\">Temperature fluctuations<\/li>\n<\/ul>\n<h2 data-section-id=\"i2bppy\" data-start=\"5076\" data-end=\"5095\">Easy Maintenance<\/h2>\n<p data-start=\"5097\" data-end=\"5126\">Routine maintenance includes:<\/p>\n<ul data-start=\"5128\" data-end=\"5276\">\n<li data-section-id=\"hiw5n6\" data-start=\"5128\" data-end=\"5148\">Checking oil level<\/li>\n<li data-section-id=\"1wo1df8\" data-start=\"5149\" data-end=\"5173\">Inspecting oil leakage<\/li>\n<li data-section-id=\"zmers5\" data-start=\"5174\" data-end=\"5207\">Checking electrical connections<\/li>\n<li data-section-id=\"5w9x4m\" data-start=\"5208\" data-end=\"5240\">Testing insulation performance<\/li>\n<li data-section-id=\"1yr7zyh\" data-start=\"5241\" data-end=\"5276\">Inspecting protective accessories<\/li>\n<\/ul>\n<h2 data-section-id=\"1pggow0\" data-start=\"5278\" data-end=\"5303\">Flexible Configuration<\/h2>\n<p data-start=\"5305\" data-end=\"5334\">Optional accessories include:<\/p>\n<ul data-start=\"5336\" data-end=\"5510\">\n<li data-section-id=\"1gthgs5\" data-start=\"5336\" data-end=\"5357\">Oil level indicator<\/li>\n<li data-section-id=\"zcl739\" data-start=\"5358\" data-end=\"5381\">Temperature indicator<\/li>\n<li data-section-id=\"muahk4\" data-start=\"5382\" data-end=\"5406\">Pressure relief device<\/li>\n<li data-section-id=\"1lhq24s\" data-start=\"5407\" data-end=\"5427\">Lightning arrester<\/li>\n<li data-section-id=\"fewx34\" data-start=\"5428\" data-end=\"5446\">Conservator tank<\/li>\n<li data-section-id=\"1uw9pp\" data-start=\"5447\" data-end=\"5487\">Buchholz relay (for applicable models)<\/li>\n<li data-section-id=\"j6qyn7\" data-start=\"5488\" data-end=\"5510\">Protective enclosure<\/li>\n<\/ul>\n<hr data-start=\"5512\" data-end=\"5515\" \/>\n<h1 data-section-id=\"bizi68\" data-start=\"5517\" data-end=\"5539\">6. Application Areas<\/h1>\n<h2 data-section-id=\"aftqt2\" data-start=\"5541\" data-end=\"5570\">Power Distribution Systems<\/h2>\n<ul data-start=\"5572\" data-end=\"5685\">\n<li data-section-id=\"1xwmdbu\" data-start=\"5572\" data-end=\"5596\">Utility power networks<\/li>\n<li data-section-id=\"iknvhb\" data-start=\"5597\" data-end=\"5623\">Distribution substations<\/li>\n<li data-section-id=\"1q5t4zr\" data-start=\"5624\" data-end=\"5656\">Rural electrification projects<\/li>\n<li data-section-id=\"6if29k\" data-start=\"5657\" data-end=\"5685\">Urban power supply systems<\/li>\n<\/ul>\n<h2 data-section-id=\"131mlk4\" data-start=\"5687\" data-end=\"5709\">Industrial Projects<\/h2>\n<ul data-start=\"5711\" data-end=\"5795\">\n<li data-section-id=\"pq5ogs\" data-start=\"5711\" data-end=\"5733\">Manufacturing plants<\/li>\n<li data-section-id=\"18l1e81\" data-start=\"5734\" data-end=\"5753\">Mining facilities<\/li>\n<li data-section-id=\"nupwwq\" data-start=\"5754\" data-end=\"5776\">Oil and gas projects<\/li>\n<li data-section-id=\"19k8p10\" data-start=\"5777\" data-end=\"5795\">Industrial parks<\/li>\n<\/ul>\n<h2 data-section-id=\"lg5s3k\" data-start=\"5797\" data-end=\"5825\">Renewable Energy Projects<\/h2>\n<ul data-start=\"5827\" data-end=\"5899\">\n<li data-section-id=\"3sce6x\" data-start=\"5827\" data-end=\"5844\">Solar PV plants<\/li>\n<li data-section-id=\"1opg7hx\" data-start=\"5845\" data-end=\"5865\">Wind power systems<\/li>\n<li data-section-id=\"1bf6ddk\" data-start=\"5866\" data-end=\"5899\">Battery energy storage projects<\/li>\n<\/ul>\n<h2 data-section-id=\"1bwr7rk\" data-start=\"5901\" data-end=\"5927\">Commercial Applications<\/h2>\n<ul data-start=\"5929\" data-end=\"6018\">\n<li data-section-id=\"wxb0kj\" data-start=\"5929\" data-end=\"5945\">Shopping malls<\/li>\n<li data-section-id=\"11lmhkd\" data-start=\"5946\" data-end=\"5964\">Office buildings<\/li>\n<li data-section-id=\"19i90un\" data-start=\"5965\" data-end=\"5990\">Residential communities<\/li>\n<li data-section-id=\"113knsc\" data-start=\"5991\" data-end=\"6018\">Infrastructure facilities<\/li>\n<\/ul>\n<h2 data-section-id=\"pygiv6\" data-start=\"6020\" data-end=\"6043\">Special Environments<\/h2>\n<ul data-start=\"6045\" data-end=\"6132\">\n<li data-section-id=\"1lbqf9k\" data-start=\"6045\" data-end=\"6059\">Remote areas<\/li>\n<li data-section-id=\"1dwq9j1\" data-start=\"6060\" data-end=\"6078\">Tropical regions<\/li>\n<li data-section-id=\"ofhcwx\" data-start=\"6079\" data-end=\"6110\">High-temperature environments<\/li>\n<li data-section-id=\"vrzcty\" data-start=\"6111\" data-end=\"6132\">Humid coastal areas<\/li>\n<\/ul>\n<hr data-start=\"6134\" data-end=\"6137\" \/>\n<h1 data-section-id=\"1xk0c42\" data-start=\"6139\" data-end=\"6165\">7. Customization Options<\/h1>\n<p data-start=\"6167\" data-end=\"6280\">ZISHENG provides customized 50kVA Oil Immersed Transformer solutions according to different project requirements.<\/p>\n<p data-start=\"6282\" data-end=\"6306\">Available customization:<\/p>\n<ul data-start=\"6308\" data-end=\"6565\">\n<li data-section-id=\"65a5qk\" data-start=\"6308\" data-end=\"6333\">Rated voltage selection<\/li>\n<li data-section-id=\"g3wyht\" data-start=\"6334\" data-end=\"6367\">Frequency selection (50Hz\/60Hz)<\/li>\n<li data-section-id=\"12hyp68\" data-start=\"6368\" data-end=\"6396\">Copper or aluminum winding<\/li>\n<li data-section-id=\"y0gx3n\" data-start=\"6397\" data-end=\"6425\">Vector group customization<\/li>\n<li data-section-id=\"7bge9n\" data-start=\"6426\" data-end=\"6448\">Impedance adjustment<\/li>\n<li data-section-id=\"1dsxl1l\" data-start=\"6449\" data-end=\"6476\">Tap changer configuration<\/li>\n<li data-section-id=\"uk2c1r\" data-start=\"6477\" data-end=\"6500\">Tank structure design<\/li>\n<li data-section-id=\"1uew9vj\" data-start=\"6501\" data-end=\"6534\">Outdoor protection requirements<\/li>\n<li data-section-id=\"1ie9jtn\" data-start=\"6535\" data-end=\"6565\">Regional standard compliance<\/li>\n<\/ul>\n<hr data-start=\"6567\" data-end=\"6570\" \/>\n<h1 data-section-id=\"156030x\" data-start=\"6572\" data-end=\"6610\">8. Manufacturing and Quality Control<\/h1>\n<p data-start=\"6612\" data-end=\"6709\">ZISHENG follows strict quality management procedures throughout the entire manufacturing process.<\/p>\n<h3 data-section-id=\"qpt69p\" data-start=\"6711\" data-end=\"6739\">Quality Control Process:<\/h3>\n<p data-start=\"6741\" data-end=\"6768\"><strong data-start=\"6741\" data-end=\"6768\">Raw Material Inspection<\/strong><\/p>\n<ul data-start=\"6769\" data-end=\"6873\">\n<li data-section-id=\"mebhu7\" data-start=\"6769\" data-end=\"6801\">Silicon steel sheet inspection<\/li>\n<li data-section-id=\"fevgc1\" data-start=\"6802\" data-end=\"6840\">Copper\/aluminum conductor inspection<\/li>\n<li data-section-id=\"z21j9p\" data-start=\"6841\" data-end=\"6873\">Insulation material inspection<\/li>\n<\/ul>\n<p data-start=\"6875\" data-end=\"6900\"><strong data-start=\"6875\" data-end=\"6900\">Production Inspection<\/strong><\/p>\n<ul data-start=\"6901\" data-end=\"7015\">\n<li data-section-id=\"k3myhf\" data-start=\"6901\" data-end=\"6927\">Core assembly inspection<\/li>\n<li data-section-id=\"m7qz49\" data-start=\"6928\" data-end=\"6956\">Winding process inspection<\/li>\n<li data-section-id=\"nfs0dv\" data-start=\"6957\" data-end=\"6990\">Transformer assembly inspection<\/li>\n<li data-section-id=\"1eb1mb7\" data-start=\"6991\" data-end=\"7015\">Oil filling inspection<\/li>\n<\/ul>\n<p data-start=\"7017\" data-end=\"7034\"><strong data-start=\"7017\" data-end=\"7034\">Final Testing<\/strong><\/p>\n<ul data-start=\"7035\" data-end=\"7220\">\n<li data-section-id=\"13jcszt\" data-start=\"7035\" data-end=\"7060\">Winding resistance test<\/li>\n<li data-section-id=\"19g9fot\" data-start=\"7061\" data-end=\"7089\">Insulation resistance test<\/li>\n<li data-section-id=\"gu8nj1\" data-start=\"7090\" data-end=\"7110\">Voltage ratio test<\/li>\n<li data-section-id=\"1lot3kn\" data-start=\"7111\" data-end=\"7130\">No-load loss test<\/li>\n<li data-section-id=\"9opfkr\" data-start=\"7131\" data-end=\"7147\">Load loss test<\/li>\n<li data-section-id=\"i83fx1\" data-start=\"7148\" data-end=\"7174\">Dielectric strength test<\/li>\n<li data-section-id=\"f88wac\" data-start=\"7175\" data-end=\"7193\">Oil leakage test<\/li>\n<li data-section-id=\"1wxt5yh\" data-start=\"7194\" data-end=\"7220\">Performance verification<\/li>\n<\/ul>\n<p data-start=\"7222\" data-end=\"7332\">Each 50kVA Oil Immersed Transformer is tested before shipment to ensure reliable operation after installation.<\/p>\n<hr data-start=\"7334\" data-end=\"7337\" \/>\n<h1 data-section-id=\"1lulzje\" data-start=\"7339\" data-end=\"7393\">9. Why Choose ZISHENG 50kVA Oil Immersed Transformer<\/h1>\n<ul data-start=\"7395\" data-end=\"7804\">\n<li data-section-id=\"qobujn\" data-start=\"7395\" data-end=\"7465\">Professional transformer manufacturer with multiple production lines<\/li>\n<li data-section-id=\"xpjtqh\" data-start=\"7466\" data-end=\"7532\">High-quality raw materials and advanced manufacturing technology<\/li>\n<li data-section-id=\"kry82d\" data-start=\"7533\" data-end=\"7567\">Strict quality inspection system<\/li>\n<li data-section-id=\"eb3ucz\" data-start=\"7568\" data-end=\"7604\">Competitive factory-direct pricing<\/li>\n<li data-section-id=\"1tua26y\" data-start=\"7605\" data-end=\"7639\">Customized engineering solutions<\/li>\n<li data-section-id=\"xqt2c2\" data-start=\"7640\" data-end=\"7668\">Stable production capacity<\/li>\n<li data-section-id=\"7qao7w\" data-start=\"7669\" data-end=\"7699\">Reliable delivery capability<\/li>\n<li data-section-id=\"1n74p8c\" data-start=\"7700\" data-end=\"7804\">Export experience serving Africa, South America, Southeast Asia, Central Asia, and Middle East markets<\/li>\n<\/ul>\n<p data-start=\"7806\" data-end=\"8018\" data-is-last-node=\"\" data-is-only-node=\"\">ZISHENG 50kVA Oil Immersed Transformer provides a reliable, energy-efficient, and cost-effective solution for power distribution projects requiring stable performance, long service life, and dependable operation.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] justify-start\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"5f5feee5-c0e7-46b0-9315-8476cd460aca\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\">\n<h1 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"1t33i5b\" data-start=\"0\" data-end=\"44\">50kVA Oil Immersed Transformer Product Q&amp;A<\/h1>\n<h2 data-section-id=\"175f6fp\" data-start=\"46\" data-end=\"94\">Q1: What is a 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"96\" data-end=\"260\"><strong data-start=\"96\" data-end=\"102\">A:<\/strong> A 50kVA Oil Immersed Transformer is a distribution transformer with a rated capacity of 50kVA that uses transformer oil as the insulation and cooling medium.<\/p>\n<p data-start=\"262\" data-end=\"551\">It is designed to step down medium voltage electricity to low voltage power for industrial, commercial, agricultural, and infrastructure applications. The oil cooling system provides efficient heat dissipation, strong overload capability, and reliable performance for continuous operation.<\/p>\n<hr data-start=\"553\" data-end=\"556\" \/>\n<h2 data-section-id=\"1s4gkah\" data-start=\"558\" data-end=\"630\">Q2: What are the main advantages of a 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"632\" data-end=\"667\"><strong data-start=\"632\" data-end=\"638\">A:<\/strong> The main advantages include:<\/p>\n<ul data-start=\"669\" data-end=\"994\">\n<li data-section-id=\"m1o8c1\" data-start=\"669\" data-end=\"711\">High reliability for long-term operation<\/li>\n<li data-section-id=\"1x1jnrv\" data-start=\"712\" data-end=\"743\">Excellent cooling performance<\/li>\n<li data-section-id=\"59b0g7\" data-start=\"744\" data-end=\"770\">Strong overload capacity<\/li>\n<li data-section-id=\"189b2aa\" data-start=\"771\" data-end=\"806\">Superior short-circuit resistance<\/li>\n<li data-section-id=\"olhq1p\" data-start=\"807\" data-end=\"824\">Low energy loss<\/li>\n<li data-section-id=\"1dwzics\" data-start=\"825\" data-end=\"852\">High operating efficiency<\/li>\n<li data-section-id=\"1wdzf4p\" data-start=\"853\" data-end=\"872\">Long service life<\/li>\n<li data-section-id=\"kv23q\" data-start=\"873\" data-end=\"908\">Suitable for outdoor installation<\/li>\n<li data-section-id=\"1sghyp\" data-start=\"909\" data-end=\"949\">Stable operation in harsh environments<\/li>\n<li data-section-id=\"6t5kkf\" data-start=\"950\" data-end=\"994\">Cost-effective power distribution solution<\/li>\n<\/ul>\n<hr data-start=\"996\" data-end=\"999\" \/>\n<h2 data-section-id=\"117kbg5\" data-start=\"1001\" data-end=\"1099\">Q3: What is the difference between a 50kVA Oil Immersed Transformer and a Dry Type Transformer?<\/h2>\n<p data-start=\"1101\" data-end=\"1133\"><strong data-start=\"1101\" data-end=\"1107\">A:<\/strong> The main differences are:<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1135\" data-end=\"1701\">\n<thead data-start=\"1135\" data-end=\"1205\">\n<tr data-start=\"1135\" data-end=\"1205\">\n<th class=\"last:pe-10\" data-start=\"1135\" data-end=\"1142\" data-col-size=\"sm\">Item<\/th>\n<th class=\"last:pe-10\" data-start=\"1142\" data-end=\"1175\" data-col-size=\"sm\">50kVA Oil Immersed Transformer<\/th>\n<th class=\"last:pe-10\" data-start=\"1175\" data-end=\"1205\" data-col-size=\"md\">50kVA Dry Type Transformer<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1220\" data-end=\"1701\">\n<tr data-start=\"1220\" data-end=\"1278\">\n<td data-start=\"1220\" data-end=\"1237\" data-col-size=\"sm\">Cooling Method<\/td>\n<td data-start=\"1237\" data-end=\"1263\" data-col-size=\"sm\">Transformer oil cooling<\/td>\n<td data-col-size=\"md\" data-start=\"1263\" data-end=\"1278\">Air cooling<\/td>\n<\/tr>\n<tr data-start=\"1279\" data-end=\"1346\">\n<td data-start=\"1279\" data-end=\"1299\" data-col-size=\"sm\">Insulation Medium<\/td>\n<td data-start=\"1299\" data-end=\"1316\" data-col-size=\"sm\">Insulating oil<\/td>\n<td data-col-size=\"md\" data-start=\"1316\" data-end=\"1346\">Solid insulation materials<\/td>\n<\/tr>\n<tr data-start=\"1347\" data-end=\"1422\">\n<td data-start=\"1347\" data-end=\"1362\" data-col-size=\"sm\">Installation<\/td>\n<td data-start=\"1362\" data-end=\"1392\" data-col-size=\"sm\">Mainly outdoor applications<\/td>\n<td data-col-size=\"md\" data-start=\"1392\" data-end=\"1422\">Mainly indoor applications<\/td>\n<\/tr>\n<tr data-start=\"1423\" data-end=\"1462\">\n<td data-start=\"1423\" data-end=\"1442\" data-col-size=\"sm\">Heat Dissipation<\/td>\n<td data-start=\"1442\" data-end=\"1454\" data-col-size=\"sm\">Excellent<\/td>\n<td data-col-size=\"md\" data-start=\"1454\" data-end=\"1462\">Good<\/td>\n<\/tr>\n<tr data-start=\"1463\" data-end=\"1524\">\n<td data-start=\"1463\" data-end=\"1477\" data-col-size=\"sm\">Maintenance<\/td>\n<td data-start=\"1477\" data-end=\"1503\" data-col-size=\"sm\">Requires oil inspection<\/td>\n<td data-start=\"1503\" data-end=\"1524\" data-col-size=\"md\">Lower maintenance<\/td>\n<\/tr>\n<tr data-start=\"1525\" data-end=\"1600\">\n<td data-start=\"1525\" data-end=\"1539\" data-col-size=\"sm\">Fire Safety<\/td>\n<td data-start=\"1539\" data-end=\"1574\" data-col-size=\"sm\">Requires oil protection measures<\/td>\n<td data-start=\"1574\" data-end=\"1600\" data-col-size=\"md\">Higher fire resistance<\/td>\n<\/tr>\n<tr data-start=\"1601\" data-end=\"1701\">\n<td data-start=\"1601\" data-end=\"1615\" data-col-size=\"sm\">Application<\/td>\n<td data-start=\"1615\" data-end=\"1655\" data-col-size=\"sm\">Utility networks, outdoor substations<\/td>\n<td data-col-size=\"md\" data-start=\"1655\" data-end=\"1701\">Buildings, data centers, indoor facilities<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1703\" data-end=\"1846\">Oil immersed transformers are widely selected for outdoor power distribution systems requiring high reliability and strong cooling performance.<\/p>\n<hr data-start=\"1848\" data-end=\"1851\" \/>\n<h2 data-section-id=\"1y7pdm0\" data-start=\"1853\" data-end=\"1932\">Q4: What voltage ratings are available for a 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"1934\" data-end=\"2053\"><strong data-start=\"1934\" data-end=\"1940\">A:<\/strong> ZISHENG can provide customized voltage configurations according to different countries and project requirements.<\/p>\n<p data-start=\"2055\" data-end=\"2086\">Common voltage options include:<\/p>\n<ul data-start=\"2088\" data-end=\"2193\">\n<li data-section-id=\"1no9vbv\" data-start=\"2088\" data-end=\"2150\">High voltage side: 6kV, 10kV, 11kV, 13.8kV, 15kV, 20kV, 35kV<\/li>\n<li data-section-id=\"1nn17zo\" data-start=\"2151\" data-end=\"2193\">Low voltage side: 400V, 415V, 480V, 690V<\/li>\n<\/ul>\n<p data-start=\"2195\" data-end=\"2293\">The voltage ratio can be customized according to local grid standards and customer specifications.<\/p>\n<hr data-start=\"2295\" data-end=\"2298\" \/>\n<h2 data-section-id=\"7fv0nr\" data-start=\"2300\" data-end=\"2375\">Q5: Is the 50kVA Oil Immersed Transformer available with copper winding?<\/h2>\n<p data-start=\"2377\" data-end=\"2455\"><strong data-start=\"2377\" data-end=\"2383\">A:<\/strong> Yes. ZISHENG provides both copper winding and aluminum winding options.<\/p>\n<p data-start=\"2457\" data-end=\"2483\">Copper winding advantages:<\/p>\n<ul data-start=\"2485\" data-end=\"2615\">\n<li data-section-id=\"gh17pq\" data-start=\"2485\" data-end=\"2506\">Higher conductivity<\/li>\n<li data-section-id=\"1vxdcz4\" data-start=\"2507\" data-end=\"2532\">Lower electrical losses<\/li>\n<li data-section-id=\"zenfur\" data-start=\"2533\" data-end=\"2557\">Better heat resistance<\/li>\n<li data-section-id=\"ae78xr\" data-start=\"2558\" data-end=\"2591\">Stronger mechanical performance<\/li>\n<li data-section-id=\"xhwzv2\" data-start=\"2592\" data-end=\"2615\">Longer operating life<\/li>\n<\/ul>\n<p data-start=\"2617\" data-end=\"2730\">Customers can select the winding material according to project efficiency requirements and budget considerations.<\/p>\n<hr data-start=\"2732\" data-end=\"2735\" \/>\n<h2 data-section-id=\"smk7ao\" data-start=\"2737\" data-end=\"2797\">Q6: Can the 50kVA Oil Immersed Transformer be customized?<\/h2>\n<p data-start=\"2799\" data-end=\"2905\"><strong data-start=\"2799\" data-end=\"2805\">A:<\/strong> Yes. ZISHENG provides customized transformer solutions based on different application requirements.<\/p>\n<p data-start=\"2907\" data-end=\"2937\">Customization options include:<\/p>\n<ul data-start=\"2939\" data-end=\"3130\">\n<li data-section-id=\"1ig7nqj\" data-start=\"2939\" data-end=\"2954\">Voltage ratio<\/li>\n<li data-section-id=\"1hrce0x\" data-start=\"2955\" data-end=\"2978\">Frequency (50Hz\/60Hz)<\/li>\n<li data-section-id=\"12hyp68\" data-start=\"2979\" data-end=\"3007\">Copper or aluminum winding<\/li>\n<li data-section-id=\"1y4t33i\" data-start=\"3008\" data-end=\"3022\">Vector group<\/li>\n<li data-section-id=\"qthizm\" data-start=\"3023\" data-end=\"3040\">Impedance level<\/li>\n<li data-section-id=\"1u4150r\" data-start=\"3041\" data-end=\"3061\">Tap changer design<\/li>\n<li data-section-id=\"7xt699\" data-start=\"3062\" data-end=\"3078\">Tank structure<\/li>\n<li data-section-id=\"1vxgwfh\" data-start=\"3079\" data-end=\"3103\">Protection accessories<\/li>\n<li data-section-id=\"10ziezx\" data-start=\"3104\" data-end=\"3130\">Environmental adaptation<\/li>\n<\/ul>\n<p data-start=\"3132\" data-end=\"3243\">Customized designs ensure the transformer matches the customer&#8217;s electrical system and installation conditions.<\/p>\n<hr data-start=\"3245\" data-end=\"3248\" \/>\n<h2 data-section-id=\"1eu7pol\" data-start=\"3250\" data-end=\"3313\">Q7: Where can a 50kVA Oil Immersed Transformer be installed?<\/h2>\n<p data-start=\"3315\" data-end=\"3356\"><strong data-start=\"3315\" data-end=\"3321\">A:<\/strong> The transformer is widely used in:<\/p>\n<ul data-start=\"3358\" data-end=\"3614\">\n<li data-section-id=\"1ei5txb\" data-start=\"3358\" data-end=\"3389\">Utility distribution networks<\/li>\n<li data-section-id=\"ll2ev1\" data-start=\"3390\" data-end=\"3411\">Outdoor substations<\/li>\n<li data-section-id=\"rzdgjh\" data-start=\"3412\" data-end=\"3434\">Industrial factories<\/li>\n<li data-section-id=\"15mr3no\" data-start=\"3435\" data-end=\"3452\">Mining projects<\/li>\n<li data-section-id=\"s3xt7k\" data-start=\"3453\" data-end=\"3473\">Solar power plants<\/li>\n<li data-section-id=\"1e78get\" data-start=\"3474\" data-end=\"3499\">Energy storage projects<\/li>\n<li data-section-id=\"a4jaz5\" data-start=\"3500\" data-end=\"3522\">Commercial buildings<\/li>\n<li data-section-id=\"1fu110d\" data-start=\"3523\" data-end=\"3550\">Agricultural power supply<\/li>\n<li data-section-id=\"kscxd5\" data-start=\"3551\" data-end=\"3576\">Infrastructure projects<\/li>\n<li data-section-id=\"p4gzzw\" data-start=\"3577\" data-end=\"3614\">Remote area electrification systems<\/li>\n<\/ul>\n<hr data-start=\"3616\" data-end=\"3619\" \/>\n<h2 data-section-id=\"14itp1c\" data-start=\"3621\" data-end=\"3700\">Q8: Is the 50kVA Oil Immersed Transformer suitable for outdoor installation?<\/h2>\n<p data-start=\"3702\" data-end=\"3764\"><strong data-start=\"3702\" data-end=\"3708\">A:<\/strong> Yes. The transformer is designed for outdoor operation.<\/p>\n<p data-start=\"3766\" data-end=\"3826\">The sealed steel tank structure provides protection against:<\/p>\n<ul data-start=\"3828\" data-end=\"3912\">\n<li data-section-id=\"1j4eem4\" data-start=\"3828\" data-end=\"3834\">Rain<\/li>\n<li data-section-id=\"1j40wse\" data-start=\"3835\" data-end=\"3841\">Dust<\/li>\n<li data-section-id=\"1h9cbht\" data-start=\"3842\" data-end=\"3852\">Humidity<\/li>\n<li data-section-id=\"1a04rdy\" data-start=\"3853\" data-end=\"3877\">Temperature variations<\/li>\n<li data-section-id=\"1vxpyug\" data-start=\"3878\" data-end=\"3912\">Outdoor environmental conditions<\/li>\n<\/ul>\n<p data-start=\"3914\" data-end=\"4003\">It is suitable for installation in tropical, high-temperature, and high-humidity regions.<\/p>\n<hr data-start=\"4005\" data-end=\"4008\" \/>\n<h2 data-section-id=\"15hjlvh\" data-start=\"4010\" data-end=\"4090\">Q9: What type of transformer oil is used in a 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"4092\" data-end=\"4178\"><strong data-start=\"4092\" data-end=\"4098\">A:<\/strong> ZISHENG uses high-quality insulating oil designed for transformer applications.<\/p>\n<p data-start=\"4180\" data-end=\"4209\">The transformer oil provides:<\/p>\n<ul data-start=\"4211\" data-end=\"4330\">\n<li data-section-id=\"2l4v8k\" data-start=\"4211\" data-end=\"4245\">Excellent insulation performance<\/li>\n<li data-section-id=\"129jehu\" data-start=\"4246\" data-end=\"4271\">Efficient heat transfer<\/li>\n<li data-section-id=\"1g0h3z4\" data-start=\"4272\" data-end=\"4300\">Stable chemical properties<\/li>\n<li data-section-id=\"1lnyl4f\" data-start=\"4301\" data-end=\"4330\">Reliable cooling capability<\/li>\n<\/ul>\n<p data-start=\"4332\" data-end=\"4429\">Special oil solutions can be considered according to project requirements and regional standards.<\/p>\n<hr data-start=\"4431\" data-end=\"4434\" \/>\n<h2 data-section-id=\"ogre59\" data-start=\"4436\" data-end=\"4508\">Q10: How does the oil cooling system improve transformer performance?<\/h2>\n<p data-start=\"4510\" data-end=\"4622\"><strong data-start=\"4510\" data-end=\"4516\">A:<\/strong> The oil cooling system helps remove heat generated by the transformer core and windings during operation.<\/p>\n<p data-start=\"4624\" data-end=\"4641\">Benefits include:<\/p>\n<ul data-start=\"4643\" data-end=\"4798\">\n<li data-section-id=\"1mgzs9m\" data-start=\"4643\" data-end=\"4672\">Lower operating temperature<\/li>\n<li data-section-id=\"23gszk\" data-start=\"4673\" data-end=\"4699\">Improved insulation life<\/li>\n<li data-section-id=\"svsork\" data-start=\"4700\" data-end=\"4728\">Better overload capability<\/li>\n<li data-section-id=\"1u4ccx4\" data-start=\"4729\" data-end=\"4763\">More stable continuous operation<\/li>\n<li data-section-id=\"1iuia59\" data-start=\"4764\" data-end=\"4798\">Improved transformer reliability<\/li>\n<\/ul>\n<p data-start=\"4800\" data-end=\"4899\">This makes oil immersed transformers suitable for power distribution systems with continuous loads.<\/p>\n<hr data-start=\"4901\" data-end=\"4904\" \/>\n<h2 data-section-id=\"wyjemj\" data-start=\"4906\" data-end=\"4980\">Q11: What maintenance is required for a 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"4982\" data-end=\"5052\"><strong data-start=\"4982\" data-end=\"4988\">A:<\/strong> Regular maintenance helps maintain safe and reliable operation.<\/p>\n<p data-start=\"5054\" data-end=\"5086\">Recommended inspections include:<\/p>\n<ul data-start=\"5088\" data-end=\"5264\">\n<li data-section-id=\"hiw5n6\" data-start=\"5088\" data-end=\"5108\">Checking oil level<\/li>\n<li data-section-id=\"1wo1df8\" data-start=\"5109\" data-end=\"5133\">Inspecting oil leakage<\/li>\n<li data-section-id=\"1qsdka5\" data-start=\"5134\" data-end=\"5167\">Checking bushings and terminals<\/li>\n<li data-section-id=\"5w9x4m\" data-start=\"5168\" data-end=\"5200\">Testing insulation performance<\/li>\n<li data-section-id=\"ddcz7i\" data-start=\"5201\" data-end=\"5235\">Inspecting grounding connections<\/li>\n<li data-section-id=\"g9c712\" data-start=\"5236\" data-end=\"5264\">Cleaning external surfaces<\/li>\n<\/ul>\n<p data-start=\"5266\" data-end=\"5335\">Proper maintenance can significantly extend transformer service life.<\/p>\n<hr data-start=\"5337\" data-end=\"5340\" \/>\n<h2 data-section-id=\"qkwxkb\" data-start=\"5342\" data-end=\"5424\">Q12: How does ZISHENG guarantee the quality of 50kVA Oil Immersed Transformers?<\/h2>\n<p data-start=\"5426\" data-end=\"5516\"><strong data-start=\"5426\" data-end=\"5432\">A:<\/strong> ZISHENG applies strict quality control throughout the entire manufacturing process.<\/p>\n<p data-start=\"5518\" data-end=\"5545\">Quality procedures include:<\/p>\n<ul data-start=\"5547\" data-end=\"5798\">\n<li data-section-id=\"tcfoc9\" data-start=\"5547\" data-end=\"5572\">Raw material inspection<\/li>\n<li data-section-id=\"goutb4\" data-start=\"5573\" data-end=\"5598\">Core quality inspection<\/li>\n<li data-section-id=\"xlvxe1\" data-start=\"5599\" data-end=\"5627\">Winding resistance testing<\/li>\n<li data-section-id=\"1hal4b2\" data-start=\"5628\" data-end=\"5648\">Insulation testing<\/li>\n<li data-section-id=\"1v5wgf1\" data-start=\"5649\" data-end=\"5672\">Voltage ratio testing<\/li>\n<li data-section-id=\"1tuzl7b\" data-start=\"5673\" data-end=\"5695\">No-load loss testing<\/li>\n<li data-section-id=\"18s6swr\" data-start=\"5696\" data-end=\"5715\">Load loss testing<\/li>\n<li data-section-id=\"1tlhsyc\" data-start=\"5716\" data-end=\"5737\">Oil leakage testing<\/li>\n<li data-section-id=\"16hko2d\" data-start=\"5738\" data-end=\"5767\">Dielectric strength testing<\/li>\n<li data-section-id=\"1ovfmxu\" data-start=\"5768\" data-end=\"5798\">Final performance inspection<\/li>\n<\/ul>\n<p data-start=\"5800\" data-end=\"5903\">Each transformer is tested before shipment to ensure reliable operation at the customer&#8217;s project site.<\/p>\n<hr data-start=\"5905\" data-end=\"5908\" \/>\n<h2 data-section-id=\"10sgdy1\" data-start=\"5910\" data-end=\"5977\">Q13: What standards can the 50kVA Oil Immersed Transformer meet?<\/h2>\n<p data-start=\"5979\" data-end=\"6040\"><strong data-start=\"5979\" data-end=\"5985\">A:<\/strong> ZISHENG transformers can be manufactured according to:<\/p>\n<ul data-start=\"6042\" data-end=\"6144\">\n<li data-section-id=\"ocarov\" data-start=\"6042\" data-end=\"6057\">IEC standards<\/li>\n<li data-section-id=\"1qy8or9\" data-start=\"6058\" data-end=\"6074\">ANSI standards<\/li>\n<li data-section-id=\"195zzu9\" data-start=\"6075\" data-end=\"6110\">Customer technical specifications<\/li>\n<li data-section-id=\"1vh7zar\" data-start=\"6111\" data-end=\"6144\">Local power system requirements<\/li>\n<\/ul>\n<p data-start=\"6146\" data-end=\"6246\">The specific standard can be selected according to the destination country and project requirements.<\/p>\n<hr data-start=\"6248\" data-end=\"6251\" \/>\n<h2 data-section-id=\"vwt584\" data-start=\"6253\" data-end=\"6331\">Q14: What is the expected service life of a 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"6333\" data-end=\"6449\"><strong data-start=\"6333\" data-end=\"6339\">A:<\/strong> A properly installed and maintained 50kVA Oil Immersed Transformer can provide decades of reliable operation.<\/p>\n<p data-start=\"6451\" data-end=\"6479\">The service life depends on:<\/p>\n<ul data-start=\"6481\" data-end=\"6604\">\n<li data-section-id=\"d28ylv\" data-start=\"6481\" data-end=\"6508\">Operating load conditions<\/li>\n<li data-section-id=\"11jol9d\" data-start=\"6509\" data-end=\"6535\">Installation environment<\/li>\n<li data-section-id=\"a6pec1\" data-start=\"6536\" data-end=\"6559\">Maintenance frequency<\/li>\n<li data-section-id=\"1htvqc5\" data-start=\"6560\" data-end=\"6580\">Insulation quality<\/li>\n<li data-section-id=\"4bsz15\" data-start=\"6581\" data-end=\"6604\">Operating temperature<\/li>\n<\/ul>\n<p data-start=\"6606\" data-end=\"6714\">ZISHENG uses durable materials and advanced manufacturing technology to ensure long-term stable performance.<\/p>\n<hr data-start=\"6716\" data-end=\"6719\" \/>\n<h2 data-section-id=\"1najbke\" data-start=\"6721\" data-end=\"6779\">Q15: Why choose ZISHENG 50kVA Oil Immersed Transformer?<\/h2>\n<p data-start=\"6781\" data-end=\"6805\"><strong data-start=\"6781\" data-end=\"6787\">A:<\/strong> ZISHENG provides:<\/p>\n<ul data-start=\"6807\" data-end=\"7072\">\n<li data-section-id=\"m0o2jq\" data-start=\"6807\" data-end=\"6858\">Professional transformer manufacturing experience<\/li>\n<li data-section-id=\"oe63nq\" data-start=\"6859\" data-end=\"6886\">Multiple production lines<\/li>\n<li data-section-id=\"88mjvc\" data-start=\"6887\" data-end=\"6921\">Strict quality management system<\/li>\n<li data-section-id=\"eb3ucz\" data-start=\"6922\" data-end=\"6958\">Competitive factory-direct pricing<\/li>\n<li data-section-id=\"todwq8\" data-start=\"6959\" data-end=\"6994\">Flexible customization capability<\/li>\n<li data-section-id=\"e83l9s\" data-start=\"6995\" data-end=\"7038\">Reliable production and delivery capacity<\/li>\n<li data-section-id=\"78rhmw\" data-start=\"7039\" data-end=\"7072\">International export experience<\/li>\n<\/ul>\n<p data-start=\"7074\" data-end=\"7269\" data-is-last-node=\"\" data-is-only-node=\"\">ZISHENG 50kVA Oil Immersed Transformer provides a reliable, efficient, and economical power distribution solution for utility, industrial, renewable energy, and infrastructure projects worldwide.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] justify-start\"><\/div>\n<div class=\"pointer-events-none -mb-px h-px w-full opacity-0\" aria-hidden=\"true\"><\/div>\n<\/div>\n<div class=\"pointer-events-none -mb-px h-px w-full opacity-0\" aria-hidden=\"true\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>50kVA Oil Immersed\u00a0Transformer\u00a0is usually pole mounted or installed in a distribution station for daily lighting and factory power, whose an LV output up to 0.4kV. The corrugated tank has thermal expansion and contraction components that enable the transformer oil to be completely isolated from the atmosphere. A distribution transformer can be manufactured according to the requirements of the client. This transformer is optimally designed by patented technology and software.<\/p>","protected":false},"featured_media":1632,"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-1636","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\/ar\/wp-json\/wp\/v2\/product\/1636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/media\/1632"}],"wp:attachment":[{"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/media?parent=1636"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1636"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1636"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}