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DC pillar composite insulator
1.The structure of DC pillar composite insulator
±800kV、±1100kV DC long-rod pillar composite insulator is ultra-high voltage producet which is researched and developed independently by Pinggao, mainly composed of the mandrel, connecting hardware, silicon rubber umbrella cover, equalizing ring, etc. Reasonable structure design, high technical parameters, each performance index has reached the international leading level.
2. Technical parameters of pillar composite insulator
The type testing and identification reports of pillar composite insulator
1) Typing test
Identification report of ±800kV pillar composite insulator
Identification report of ±1100kV pillar composite insulator
4.Application of DC pillar composite insulator
Pillar composite insulator has reasonable structure design, high technical parameters, its each performance index has reached the international leading level. Mainly used for high voltage electrical equipments in the converter station, such as three column parallel pillar insulator of disconnector, busbar pillar insulator, pillar insulator in flat wave reactor, pillar insulator in bypass circuit breaker, etc.
Wall busing is researched and developed independently by Pinggao, mainly composed of a hollow composite insulator, wall cylinder, outside pressure system, the center conductor, internal shielding system, of which 145 kv, 363 kv wall bushing has charged operation, ±100kV、±400kV、±500kV、±1100kV DC wall bushing has passed through the national appraisal; including the development of + 1100 kv DC wall bushing filled the blanks of international technology.