Single-Phase Active Power Filter with Unity Power Factor Control Strategy

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Resource Overview

Implementation of single-phase active power filtering based on unity power factor control strategy, where removing the nonlinear load component results in single-phase fully-controlled rectification, utilizing IGBT switching devices with PWM control algorithms.

Detailed Documentation

The single-phase active power filter employing unity power factor control strategy is a technique designed to eliminate harmonic distortions caused by nonlinear loads. This technology utilizes IGBT switching devices and achieves filtering effects through precise power factor regulation. A key application scenario is single-phase fully-controlled rectification, where voltage regulation is accomplished by controlling the conduction angles of switching devices using pulse-width modulation (PWM) techniques. The implementation typically involves current tracking algorithms and phase-locked loop (PLL) control to maintain unity power factor operation. This approach enables effective control over current waveforms and power quality, demonstrating broad application prospects in power electronics for enhancing power system efficiency and stability through harmonic suppression and reactive power compensation.

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