Design and Control of Three-Phase Power System with Wind Power Using Unified Power Quality Conditioner

Dheyaa Ied Mahdi and Goksu Gorel ()
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Dheyaa Ied Mahdi: Department of Electrical Techniques, Technical Institute of Anbar, Middle Technical University, Baghdad 10074, Iraq
Goksu Gorel: Department of Electrical and Electronics Engineering, Cankiri Karatekin University, 18100 Çankırı, Turkey

Energies, 2022, vol. 15, issue 19, 1-21

Abstract: The Unified Power Quality Conditioner (UPQC) is one of the Custom Power devices (CP), and it mitigates both load current and supply voltage problems (voltage swells, sags, harmonics, etc.) simultaneously. By using CP, we are getting more familiar with renewable energy’s high penetration on the electrical grid because of its intermittent nature, which causes power flection. We are also using powered electronic devices, and non-linear loads produce harmonics that affect the voltage and current waveform. In this paper, a UPQC will be used with a sensitive load that is connected to a grid (grid–wind turbine) power system. The UPQC will operate under different disturbances such as phase-to-ground fault, non-linear load on the grid side, and non-linear load in parallel with the sensitive load, using pulse-width modulation and hysteresis as switching techniques. Simulation results using MATLAB/Simulink are used to compare the two pulsing-generating techniques and show that electrical power is continuously fed to the load in all disturbances with total harmonic distortion (THD) less than 5% for voltage and 4.5% for current.

Keywords: unified power quality conditioner (UPQC); pulse-width modulation (PWM); hysteresis; total harmonics distortion (THD); wind turbines (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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