DC side voltage control consideration for single phase shunt Active Power Filter for harmonic and reactive power compensation

Samir Gautam, Pei Yunqing, Muhammad Kashif, Yubaraj Kafle, Liu Yibo

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Shunt Active Power Filter (APF) is widely used to address the harmonic pollution created by nonlinear loads in power system. The APF consists of dual loop, inner current control responsible for shaping the output current of the APF, while DC side voltage control loop is accountable for power balancing. The APF current control is highly demanding due to non-sinusoidal reference and considered vital to obtain desired compensation performance. DC side voltage control too has a pronounced impact on APF's compensation characteristics, if not properly considered. This paper evaluates the various factors that have impact on the performance of the DC side voltage control. A moving average filter is used to eliminate the even harmonics present on capacitor voltage as a result of harmonic compensation before it is fed to comparator and voltage controller. The paper also presents the brief description and design of DC side components of single phase APF. A comparison between PI based and Fuzzy Logic based DC side voltage control is carried out. The analysis and performances are evaluated with simulation results.

Original languageEnglish
Pages (from-to)297-307
Number of pages11
JournalJournal of Electrical Engineering
Volume15
Issue number4
Publication statusPublished - 2015
Externally publishedYes

Keywords

  • Active power filter
  • Fuzzy logic control

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