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Modelling and Simulation of DVR using Fuzzy Logic Control


Author(s):

Sumit Kumar , U.I.E.T KUK; Vijay Garg, U.I.E.T KUK

Keywords:

DVR, PWM Inverter, Power Quality, Voltage Sag

Abstract:

Power quality is one of major issues in the today’s scenario. Power quality means to maintain purely sinusoidal current waveform in phase with a purely sinusoidal voltage waveform. It has become important with the introduction of complex devices, whose performances is very sensitive to the quality of power supply [3]. Power quality problem is an occurrence developed as a non-standard voltage, current or frequency that results in a failure of end use equipment or devices. Some of the major problems deal here is the power sag. This paper describes the effectiveness of using dynamic voltage restorer (DVR) in order to mitigate voltage sags voltage distribution systems. Dynamic Voltage Restorer can provide the cost effective solution to mitigate voltage sags that is required by customer. The Dynamic Voltage Restorer (DVR) is a fast, flexible and intelligent solution to power quality problems. This paper presents, the DVR is controlled with fuzzy logic controller to restore the voltage. The proposed DVR employ the fuzzy logic based controller which utilizes the error signal to control the triggering of the switches of an inverter using a pulse width modulation (PWM) scheme [1]. Modelling and Simulation of proposed DVR is implemented in MATLAB/Simulink platform. Simulation result has shown that the proposed DVR was efficient in mitigating the sag/swell.


Other Details:

Manuscript Id :IJSTEV3I2025
Published in :Volume : 3, Issue : 2
Publication Date: 01/09/2016
Page(s): 53-60
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