Reasons of discharging and firing of the generator stator bar during highvoltage holding test and the countermeasures

Huadian Technology ›› 2010, Vol. 32 ›› Issue (9): 63-64.

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Reasons of discharging and firing of the generator stator bar during highvoltage holding test and the countermeasures

YANG Kaiping, HAN Guofeng, LIANG Guanghui

China Northwest Water Conservancy & Hydropower Engineering Consulting Company，Danjiangkou 442700，China

Received:1900-01-01 Revised:1900-01-01 Published:2010-09-25

Abstract

Abstract: The reasons of discharging and firing of the generator No.5 stator bar of Danjiangkou Power Plant during the highvoltage holding test were analyzed. The concrete treatment scheme and the practical effects of the scheme were introduced. After the anticorona layer of the bar was treated using correct technology, the safe and reliable operation of the unit can be ensured.

Key words: bar, high-voltage holding test, discharging and firing, treatment

YANG Kaiping;HAN Guofeng;LIANG Guanghui. Reasons of discharging and firing of the generator stator bar during highvoltage holding test and the countermeasures[J]. Huadian Technology, 2010, 32(9): 63-64.

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Reasons of discharging and firing of the generator stator bar during highvoltage holding test and the countermeasures

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