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Abstract:
为提高容性设备介质损耗角的在线监测精度,采用小波分析法预处理采样数据,以减小高次谐波和噪声干扰对临测系统精度的影响,并利用修正积分区间法改变采样频率,使采样频率和电网频率始终满足整数倍的要求,从而提高相关系数法的计算精度.对数字信号进行仿真,结果表明,该改进方法在计箅介质损耗角的误差精度上较传统的相关系数法的计算误差精度提高了3~5个数量级.
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电工电气
ISSN: 1007-3175
CN: 32-1800/TM
Year: 2011
Issue: 2
Page: 39-42
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 3
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