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Abstract:
分析了双馈风力发电机定子绕组匝间短路的故障机理,建立了定子绕组匝间短路数学模型,利用MATLAB/Simulink仿真得到了发电机定子绕组匝间短路故障发生时的定子三相电流和匝间环流.研究结果表明:从定子三相电流波形中难以分辨轻微匝间短路;而通过分析不同故障情况下定子电流Park矢量椭圆长半轴和短半轴的长度发现,Park矢量椭圆离心率能够灵敏反映故障并预估故障程度,因此,认为Park矢量椭圆离心率可以作为定子绕组匝间短路故障诊断的特征参量.
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热力发电
ISSN: 1002-3364
Year: 2016
Issue: 8
Page: 63-67
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 9
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