Huadian Technology ›› 2016, Vol. 38 ›› Issue (2): 39-40.
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Abstract:Based on the analysis of boiler secondary air fan motor bearing damage accident,accident cause was determined as shaft current generated by motor.This paper analyzed the cause of shaft current and the damage of bearing.After change the nondriving end shield to isolated shield,hidden danger was eliminated.
Key words: Keywords:motor, shaft voltage, shaft current, isolation
MA Yonghui, ZOU Xingguang. Cause analysis of a high voltage motor bearing damage accident[J]. Huadian Technology, 2016, 38(2): 39-40.
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https://www.hdpower.net/EN/Y2016/V38/I2/39
