用小波变换降低配电系统谐波电压

J. Raharjo, Ontoseno Panangsang, A. Soeprijanto, Hermagasantos Zein
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引用次数: 1

摘要

在配电系统中产生的谐波会破坏甚至降低电力服务的质量,因此需要对谐波进行降低或消除。小波变换可以同时给出频率和时间的分辨率,这种能力通常被称为多分辨率分析(MRA)。采用小波变换去除谐波电压。利用Matlab进行了仿真。结果表明,小波变换可以有效地降低谐波电压至七次谐波。
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Reduction in harmonic voltages on distribution system using wavelet transform
Harmonic that occurs in electrical power distribution system can disrupt and even decrease the quality of power services, so that reduction or removal of those harmonic are needed to be done. Wavelet transformation can give resolution of both frequency and time at the same time, this capability is often called Multi Resolution Analysis (MRA). Wavelet transform is applied in order to remove those harmonic voltages. Simulation has been done using Matlab. The result showed that the wavelet transformation is very effective to reduce harmonic voltages up to seventh harmonic.
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