Adaptive Hybrid Active Power Filters by Lei Wang & Man-Chung Wong & Chi-Seng Lam

Author:Lei Wang & Man-Chung Wong & Chi-Seng Lam
Language: eng
Format: epub
ISBN: 9789811088278
Publisher: Springer Singapore

Keywords

Active powerCurrent harmonicsHybrid active power filter (HAPF)Reactive powerThyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF)Unbalanced compensation

5.1 Introduction

When unbalanced nonlinear loads are connected to the three-phase system, a number of current quality problems can come out such as unbalanced current, low power factor, and harmonic pollution. Implementation of power filters like Static Var Compensators (SVCs), active power filters (APFs) hybrid active power filter (HAPF) is one of the solutions for power quality problems. Many control techniques have been proposed to improve the performance of SVCs, APFs and HAPFs and solve the unbalanced problems [1–17]. The different method can be classified as below and explained as:(1)Eliminate the oscillating power components though the instantaneous power theories [1–6];

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