Title

Design Considerations for Maintaining DC-Side Voltage of Hybrid Active Power Filter With Injection Circuit

Authors

Authors

A. Luo; Z. K. Shuai; Z. J. Shen; W. J. Zhu;X. Y. Xu

Comments

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Abstract

Hybrid activepower filter with injection circuit (IHAPF) shows great promise in reducing harmonics and improving power factor with a relatively low capacity active power filter, but suffers from dc-side voltage instability that inadvertently impacts the compensation performance and safety of the IHAPF. In this paper, two new methods are proposed to overcome this major technical challenge with a hysteretic control and energy release circuit, and a controllable pulsewidth modulation (PWM) rectifier. Modeling, theoretical analysis, and experimental results have verified that both methods can stabilize dc-side voltage within a certain range. A prototype IHAPF system was built incorporating the PWM rectifier dc voltage control scheme, and installed in a 220 kV substation in Southern China. It demonstrated significant improvement in harmonics reduction and power factor. The dc voltage stability issue was also resolved with the new design.

Journal Title

Ieee Transactions on Power Electronics

Volume

24

Issue/Number

1-2

Publication Date

1-1-2009

Document Type

Article

First Page

75

Last Page

84

WOS Identifier

WOS:000263458800008

ISSN

0885-8993

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