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Sajid Hussain Qazi
Universiti Teknologi Malaysia
Computer Science & IT Electrical & Electronics Engineering

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Improving Voltage Profile of Islanded Microgrid using PI Controller Sajid Hussain Qazi; Mohd Wazir Mustafa
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 3: June 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (501.358 KB) | DOI: 10.11591/ijece.v8i3.pp1383-1388

Abstract

In islanding operating mode of microgrid, the voltage and frequency of system must be maintained by the microgrid, or else the system will crumble due to the characteristics of different distributed generators (DG) utilized in microgrid. The voltage and frequency lost provision when main grid is disconnected. This paper presents PI controller based voltage controller to regulate voltage to its normal condition. The controller is proposed to be utilized individually with each distributed generator (DG) in microgrid. The controller compares inverter output voltage with voltage at point of common coupling (PCC) and its output is feed to PWM pulse generator to generate appropriate pulses for inverter to regulate voltage to its nominal value. The simulation results of proposed system are shown using MATLAB/Simulink platform.
Co-Authors Mohd Wazir Mustafa