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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 5 Issue 12, December 2016

Harmonic Compensation Using Active Power Filter

Mayuri Badhe | V. S. Ponkshe ^[2]

Abstract: Nonlinear loads inject harmonic current into the power system and cause harmonic related problems such as harmonic interactions between utility system and loads. Active power filter is used to eliminate current harmonics and also for reactive power compensation. The objective of the shunt active filter is to supply harmonic current to the nonlinear load effectively resulting in a net sinusoidal current. Simple single phase model (simulation and hardware) for harmonic compensation using shunt active power filter is presented. In this work single-phase shunt active power filter is implemented to compensate harmonics and reactive power using FFT (Fast Fourier Transform) analysis and P-Q control technique. It is based on instantaneous values, allowing excellent dynamic response. Various simulation results are presented under steady state conditions. PWM pattern generation based on hysteresis based current control is used to obtain the switching signals to the PWM converter. Evaluation based on Simulation and Hardware setup using PIC microcontroller are shown. MATLAB is used for simulating the results.

Keywords: Harmonic Compensation, FFT, PQ Theory, PWM

Edition: Volume 5 Issue 12, December 2016,

Pages: 1930 - 1934

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