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Identification algorithm of harmonic source and flicker source
Author(s): QI Yong, JIANG Yaqun, HUANG Chun, WU Lepeng
Pages: 60-
63,68
Year: 2011
Issue:
11
Journal: Electric Power Automation Equipment
Keyword: 电能质量; 谐波分析; 电压波动; 闪变; 扰动源; 识别;
Abstract: 从多个负荷中鉴别出谐波和闪变的扰动源,有利于明确电能质量问题责任,进行针对性治理.提出一种谐波源和闪变源的识别算法.通过移动窗数据处理方式计算公共连接点(PCC)电压与各负荷支路电流的最大相关系数,据此评价电压与电流波形相似度,实现多支路负荷中非线性负荷的识别,鉴别出普通负荷与谐波、闪变扰动源负荷;比较PCC电压与扰动源负荷电流的变化方向,利用电压增量与电流增量之积判断PCC电压与扰动源电流变化方...
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