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Harmonic sources modeling and harmonic superposition simulation of power system with multi-harmonic sources
Author(s): 
Pages: 61-65
Year: Issue:  3
Journal: ELECTRIC POWER

Keyword:  多谐波源谐波源模型谐波叠加仿真;
Abstract: 随着电力电子装置在现代有色加工企业中的应用日益广泛,其容量日趋增大,数量日趋增多,形成了多谐波源的特点,使电网中的谐波污染日益严重,网侧功率因数低.分析了某有色加工企业供电系统的谐波分布情况,构建了其谐波源模型,分析了谐波源的谐波特性,进而将它们分为电流型谐波源和电压型谐波源.针对多谐波源叠加的情况,探讨了国内外对该问题处理所使用方法的缺陷性和局限性.从节省投资、提高谐波抑制效果的目的出发,运用电磁暂态仿真模型来分析多谐波源网络的谐波叠加问题,并进行了仿真实验,得到了较为满意的结果.
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