{"id":2487,"date":"2026-01-24T12:16:59","date_gmt":"2026-01-24T12:16:59","guid":{"rendered":"https:\/\/powernextransformer.com\/?post_type=product&p=2487"},"modified":"2026-01-25T09:41:28","modified_gmt":"2026-01-25T09:41:28","slug":"500-kva-11-35kv-three-phase-oil-immersed-transformer-for-electrical-substation-utility-distribution","status":"publish","type":"product","link":"https:\/\/powernextransformer.com\/zh\/manufacturer\/500-kva-11-35kv-three-phase-oil-immersed-transformer-for-electrical-substation-utility-distribution\/","title":{"rendered":"500 kVA (11-35KV) Three Phase Oil Immersed Transformer for Electrical Substation & Utility Distribution"},"content":{"rendered":"

The 500 kVA (11\u201335 kV) three phase oil immersed distribution transformer<\/a> is a medium-voltage electrical distribution solution designed for utility substations, regional power networks, and industrial distribution systems requiring stable voltage transformation, high efficiency, and long-term operational reliability.<\/p>\n

This transformer is engineered to support modern electrical grids operating under diverse environmental conditions and regulatory standards. With flexible voltage configurations, robust oil-immersed insulation, and compatibility with both 50 Hz and 60 Hz systems, it is widely deployed in utility distribution projects across North America, South America, Europe, the Middle East, Africa, and the Asia-Pacific region.<\/p>\n

The 500 kVA rating makes it an optimal capacity for urban and semi-urban substations, feeder reinforcement, industrial power supply points, and infrastructure distribution networks where balanced performance, cost efficiency, and scalability are essential.<\/p>\n

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Technical Specifications<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nSpecification<\/th>\n<\/tr>\n
Rated Capacity<\/td>\n500 kVA<\/td>\n<\/tr>\n
Capacity Range Available<\/td>\n100 kVA \u2013 5000 kVA<\/td>\n<\/tr>\n
Transformer Type<\/td>\nThree Phase Oil Immersed Medium Voltage Transformer<\/td>\n<\/tr>\n
Primary Voltage Range<\/td>\n11 kV \/ 12.47 kV \/ 13.8 kV \/ 22 kV \/ 24.9 kV \/ 33 kV \/ up to 35 kV<\/td>\n<\/tr>\n
Secondary Voltage Options<\/td>\n208Y\/120 V, 380 V, 400 V, 415 V, 480 V, 600 V, 690 V or customized<\/td>\n<\/tr>\n
Frequency<\/td>\n50 Hz \/ 60 Hz<\/td>\n<\/tr>\n
Vector Group<\/td>\nDyn11, Yyn0, Yd11, Dd0 or customized<\/td>\n<\/tr>\n
Cooling Method<\/td>\nONAN standard (ONAF optional)<\/td>\n<\/tr>\n
Insulating Fluid<\/td>\nMineral oil or environmentally friendly ester oil<\/td>\n<\/tr>\n
Tap Changer<\/td>\nOff-circuit tap changer \u00b12\u00d72.5% or \u00b15% (OLTC optional)<\/td>\n<\/tr>\n
Impedance<\/td>\nCustomized according to system requirements<\/td>\n<\/tr>\n
Applicable Standards<\/td>\nIEC, ANSI, IEEE<\/td>\n<\/tr>\n
Optional Certifications<\/td>\nUL, cUL, CSA, CE<\/td>\n<\/tr>\n
Installation Type<\/td>\nOutdoor substation \/ pad-mounted \/ utility distribution<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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\n\t\t\t\"500\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n