Effective Power Quality Improvement using Generalised Unified Power Quality Conditioner

K  Bavitra; S  Sinthuja  and N  Manoharan

doi:10.17485/ijst/2014/v7sp7.31

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Effective Power Quality Improvement using Generalised Unified Power Quality Conditioner

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2014/v7sp7.31

Year: 2020, Volume: 7, Issue: Supplementary 7, Pages: 191–197

Original Article

Effective Power Quality Improvement using Generalised Unified Power Quality Conditioner

K. Bavitra^1*, S. Sinthuja² and N. Manoharan¹

1 AMET University, India; bavitra720.chm@gmail.com, Directorresearch@ametuniv.ac.in
2 Tejas Research Centre of Excellence, AMET University, India; sinthuja.engg@gmail.com

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Generalized Unified Power Quality Conditioner (GUPQC) is used to compensate voltage sag and swell by injecting voltage into the feeder. GUPQC consist of voltage source converters, capacitor, injecting transformers and filters. One voltage source converter is connected in shunt to compensate current harmonics and rests of the converters are connected in series to compensate voltage harmonics and they are connected to a common energy storage device. In this paper capacitor is used as energy storage device. Fuzzy controller and PI controller are used to provide the pulses for voltage source converter to inject the voltage and current into the feeder. Results are verified using MATLAB simulink.

Keywords: Capacitor, Generalized Unified Power Quality Conditioner, PI Controller Fuzzy Controller, Unified Power Quality Conditioner, Voltage Sag, Voltage Source Converter, Voltage Swell