220kV aramid fiber isulation tube for AC high voltage CB

220kV aramid fiber isulation tube for AC high voltage CB

Description

绝缘筒220kv.jpg

Application: GIS/GCB

Voltage: 550kV

Power frequency partial discharge: 740kV/1min. 592kV/PD<3pC

Lightning impulse: 1675kV, ±15 times. switching impulse: 1175kV, ±15 times

Mechanical strength: tensile ≥200kN, compressive ≥200kN


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