Parallel resonance impact on power factor improvement in power system with harmonic distortion

TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI:10.1109/TENCON.2015.7373180

S. Chaladying, A. Charlangsut, Nattachote Rugthaichareoncheep

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引用次数: 16

Abstract

This paper mentions parallel resonance impact on power factor improvement in power system with harmonic distortion and correction. This paper illustrates effect of parallel resonance phenomenon to harmonic voltage and harmonic current amplification in power system by illustrated a case study for power factor improvement in power system with harmonic distortion and a case study for correction of harmonic voltage and harmonic current amplification when corrected power factor of power system with harmonic distortion. A power system model is established with MATLAB/Simulink. A non-liner load, which is a harmonic current source, is a direct current variable speed drive (DC drive). This paper mentions a direct current variable speed drive (DC drive) because it is the most type of motor speed control and it has a low power factor, resulting in a need for power factor correction. The mitigation of harmonic voltage and harmonic current amplification on capacitors when parallel resonance generated in power system is connection of series reactors (the detuned filter) to capacitors in a power factor correction device because this solution is cheaper and easier than other solutions.

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并联谐振对谐波失真电力系统功率因数改善的影响

论述了并联谐振对电力系统功率因数改善的影响及谐波畸变的校正。通过对谐波失真电力系统功率因数改善的实例分析和对谐波失真电力系统功率因数校正时谐波电压和谐波电流放大的实例分析，说明并联谐振现象对电力系统谐波电压和谐波电流放大的影响。利用MATLAB/Simulink建立了电力系统模型。作为谐波电流源的非线性负载是一种直流变速驱动器(DC驱动器)。本文提到的直流变速驱动器(DC驱动器)，因为它是大多数类型的电机调速，它具有较低的功率因数，导致需要功率因数校正。在功率因数校正装置中，将串联电抗器(失谐滤波器)连接到电容器上是缓解电力系统并联谐振时电容器谐波电压和谐波电流放大的一种方法，因为这种方法比其他方法更便宜、更容易。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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TENCON 2015 - 2015 IEEE Region 10 Conference

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