广东电力2017，Vol.30Issue(6)：73-79,7.DOI:10.3969/j.issn.1007-290X.2017.06.015
基于功率预估和阻抗校正法的主导谐波源追踪
Dominant Harmonic Source Tracing Based on Power Forecast and Impedance Correction Method
摘要
Abstract
The dominant harmonic tracing is the primary task to solve the problem of harmonic disputes. Traditional active power direction method is suitable for application of power quality monitoring system but it is proved to be wrong in theory. Different from the active power direction method, the impedance method is absolutely correct in theory but it only discusses use of the method of recording data while doesn''t involve use under the condition of power quality monitoring system data. In allusion to shortcomings of the above two methods, this paper presents a kind of new method for the dominant harmonic tracing based on power forecast and impedance correction which is to get information of harmonic voltage, current and phase difference on the premise of forecasting power and adopt double dominant fluctuation quantity to calculate equivalent harmonic impedance at the port. Actual example indicates that different from the active power direction method and traditional impedance method, the new method can provide absolutely correct conclusion and is simple to be realized.关键词
电能质量/主导谐波源/电能质量监测系统/有功功率法/阻抗法Key words
power quality/dominant harmonic source/power quality monitoring system/active power direction method/impedance method分类
信息技术与安全科学引用本文复制引用
李瑞,谢乔富,崔荧菳,朱伟杰,袁愿,许磊,华回春..基于功率预估和阻抗校正法的主导谐波源追踪[J].广东电力,2017,30(6):73-79,7.基金项目
国家自然科学青年基金资助(51507064) （51507064）
中国南方电网有限责任公司科技项目(050200 KK52150003) （050200 KK52150003）
教育部中央高校基本科研业务费专项资金资助项目(2016MS91) （2016MS91）
