{"id":1786,"date":"2025-12-22T03:41:00","date_gmt":"2025-12-22T03:41:00","guid":{"rendered":"https:\/\/yawei-powertransformer.com\/?post_type=product&p=1786"},"modified":"2026-01-09T08:23:06","modified_gmt":"2026-01-09T08:23:06","slug":"220-kv-high-voltage-power-transformer-main-transformer-for-utility-substations-and-transmission-systems","status":"publish","type":"product","link":"https:\/\/yawei-powertransformer.com\/zh\/manufacturer\/220-kv-high-voltage-power-transformer-main-transformer-for-utility-substations-and-transmission-systems\/","title":{"rendered":"220 kV \u9ad8\u58d3\u96fb\u529b\u8b8a\u58d3\u5668 - \u7528\u65bc\u516c\u7528\u8b8a\u96fb\u7ad9\u548c\u8f38\u96fb\u7cfb\u7d71\u7684\u4e3b\u8b8a\u58d3\u5668"},"content":{"rendered":"

Product Overview<\/h2>\n

The 220 kV High Voltage Power Transformer<\/a> manufactured by Yawei Transformer is a utility-grade main power transformer designed for critical substation and transmission applications. As a key component in high-voltage power systems, this transformer provides stable voltage transformation, efficient power transmission, and long-term operational reliability for modern utility grids.<\/p>\n

Designed with rated voltage at 220 kV and engineering capability extending up to 500 kV, with maximum capacity reaching 1200 MVA, this high voltage power transformer is suitable for large-scale transmission networks, primary substations, and national grid infrastructure projects. Its oil-immersed, three-phase construction ensures robust electrical performance, effective cooling, and reliable insulation under continuous operating conditions.<\/p>\n

As an experienced high voltage power transformer manufacturer and factory, Yawei Transformer supplies dependable solutions to utilities, EPC contractors, and wholesale partners across North America, South America, Central Asia, Africa, and other global power markets.<\/p>\n

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Technical Specifications (Reference)<\/h2>\n

The following table outlines typical technical parameters for the 220 kV utility main power transformer. Final specifications can be customized according to grid requirements, application conditions, and local standards.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nSpecification<\/th>\n<\/tr>\n
Product Type<\/td>\nHigh Voltage Power Transformer \/ Utility Main Transformer<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n220 kV (up to 500 kV available)<\/td>\n<\/tr>\n
Rated Capacity<\/td>\nUp to 1200 MVA<\/td>\n<\/tr>\n
Frequency<\/td>\n50 Hz \/ 60 Hz<\/td>\n<\/tr>\n
Phase<\/td>\nThree-phase<\/td>\n<\/tr>\n
Insulation Type<\/td>\nOil-immersed<\/td>\n<\/tr>\n
Winding Configuration<\/td>\nDouble-winding \/ Three-winding<\/td>\n<\/tr>\n
Voltage Regulation<\/td>\nOff-circuit (unexcited) \/ On-load (OLTC)<\/td>\n<\/tr>\n
Cooling Method<\/td>\nONAN \/ ONAF \/ OFAF \/ OFWF<\/td>\n<\/tr>\n
Tap Changer<\/td>\nOff-circuit tap changer \/ On-load tap changer<\/td>\n<\/tr>\n
Applicable Standards<\/td>\nIEC, ANSI, IEEE<\/td>\n<\/tr>\n
Installation<\/td>\nOutdoor substation<\/td>\n<\/tr>\n
Application<\/td>\nUtility substations, transmission systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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