Advanced Universal Power Quality Conditioning Systems in Three-Phase Four-Wire supply networks Under Non-Ideal Waveforms

被引：0

作者：

Rahmani, Bijan ^{[1
]}

Bina, Mohammad Tavakoli ^{[2
]}

机构：

[1] KN Toosi Univ Technol, Fac Eletr Engn, Tehran 16314, Iran

[2] KN Toosi Univ Technol, Fac Elect Engn, Tehran 16314, Iran

来源：

PRZEGLAD ELEKTROTECHNICZNY | 2012年 / 88卷 / 5B期

关键词：

Unified Power Quality conditioning System; Load-Terminal Voltage; DC bus; A-UPQS; FILTERS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents negative impacts of capacitive loads (with very low Z(L)) on the shunt active power filter accuracy. First, an advanced universal power quality conditioning system (A-UPQS) is proposed for three-phase four-wire systems under non-ideal waveforms. Considering the suggested compensation algorithm, the advanced UPQS is able to suppress source-end current harmonics caused due to the distorted-unbalanced load-terminal voltages. Moreover, an independent single-phase converter is suggested at the load-end in order to regulate the DC-link voltage. Unlike a previous proposition of a three-phase converter at the source-end, the new suggestion will be able to regulate the DC-link without any distortion. Therefore, the source-end three-phase currents would be purely sinusoidal. Simulations show that the proposed advanced UPQS performs effectively in line with the desirable outcomes.

引用

页码：206 / 210

页数：5

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