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

    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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