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Abstract:
当采用小波分解方法对低压配电系统短路故障进行早期检测时,门限值的合理设置对故障检测的可靠性及灵敏度是至关重要的.本文通过对低压配电系统电动机的起动、过载及线路短路的暂态过程进行深入研究,得到了基于三次B样条小波变换的短路故障早期检测门限值的设置方法.该方法与全波傅里叶模值检测方法相比,不仅可将短路故障与电动机起动、过载正确区分开,而且还可超高速地检测出短路故障.仿真结果证实了该方法的正确性及有效性.
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电工技术学报
ISSN: 1000-6753
CN: 11-2188/TM
Year: 2005
Issue: 3
Volume: 20
Page: 64-69
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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