TURBOGENERATOR FIELD WINDING SHORTED TURN DETECTION BY AC FLUX MEASUREMENT

被引：7
|
作者：
WOSCHNAGG, E
机构：
[1] ELIN Energieversorgung Ges.m.b.H., Generator Division, Elingasse 3
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 1994年 / 9卷 / 02期
关键词：
D O I：
10.1109/60.300127
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A new testing technique for detecting shorted turns in turbogenerator rotors is presented, where the field winding is supplied with power frequency voltage as for a normal impedance measurement. The circumferential flux is measured in the centerline of all slot wedges and compared between individual.poles by amplitude and/or phase. When the rotor is removed, the turn short can be localized by evaluating the AC flux distribution over turns. The coils may be accessed thru ventilation holes or after disassembly of retaining rings.
引用
收藏
页码：427 / 431
页数：5
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