Abstract
Power Quality (PQ) has been recognized as one of the main issues in electricity supply worldwide after the invention of nonlinear load. In 2017, PQ problem leads to significant economic losses in the Pan European region. Therefore, Active Power Filter has been developed during the past two decades to improve the harmonic compensation, reactive power, and voltage balance. In this research, the evaluation of the Synchronous Reference Frame (SRF) method is done under nonlinear load condition. The objective of this research is to modify the harmonic extraction algorithm based on SRF concepts for the application of single-phase shunt active power filter (SAPF) in harmonics mitigation and evaluate the performance of it. The performance of the SAPF that used SRF is evaluated and verified using MATLAB/Simulink. Besides that, the proposed SRF will be benchmarked with several existing techniques. The results are verified using MATLAB/Simulink with the aid of Powergui in the SimPower System block. Powergui has a built in Fast Fourier Transform (FFT) analysis tool that could perform harmonic analysis. With the aid of this tool, the Total Harmonic Distortion (THD) value can be viewed in the block. This research does achieve the THD value of the power system keeps under the limit set by IEEE standard 519.
Highlights
Power Quality (PQ) has been recognized as one of the main issues in electricity supply worldwide after the invention of nonlinear load
In this paper focuses more on one of the PQ disturbances, harmonics distortions, it happens when additional frequency components present in the mains voltage or current, which are integral multiples of the mains frequency
The PQ problem leads to significant economic losses, Poman and his team have estimated the total expenses for overvoltage and transient phenomena in
Summary
Power Quality (PQ) has been recognized as one of the main issues in electricity supply worldwide after the invention of nonlinear load. A typical control system of SAPF consists of several algorithms, harmonic extraction algorithm, synchronization algorithm, DC-link capacitor voltage regulation algorithm, and current control algorithm. All these control algorithms are linked up and formed a closed loop system. In the PLL control system, Proportional Integral (PI) controller and Filter is the main control system that researchers main focus on. Zhao and his team have conducted a research on using different model on the Synchronous Reference Frame with different filters, his design model is used as a benchmarking model in this paper [5]. The implementation of finite impulse response filter is to replace the infinite impulse response filter used in the benchmarked model and this proposed method is verified using MATLAB-Simulink
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