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A REVIEW OF DYNAMIC VOLTAGE RESTORER FOR MITIGATION OF VOLTAGE SAG/SWELL

A REVIEW OF DYNAMIC VOLTAGE RESTORER FOR MITIGATION OF VOLTAGE SAG/SWELL.

Aditya Doble¹, Prachi Moje², Sujata Bawankar³,

Pankaj Shripad⁴ , Prof. Sagar Bhaisare⁵

Department of Electrical Engineering

K.D.K. College of Engineering, Nagpur

Rashtrasant Tukadoji Maharaj Nagpur University,

Nagpur

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Abstract - The most noticeable topic for electrical engineering is power quality in recent year. Power quality problem is an occurrence manifested as a nonstandard voltage, current or frequency. The frequently occurring power quality issues are voltage unbalance, voltage sag and swell, transients, flickers and harmonic distortions. These power quality issues can cause serious malfunctions and lost production in industries. Among the custom power devices, we can consider Dynamic Voltage Restorer (DVR) as the most economic and efficient solution for voltage sag and swell compensation in distribution systems. The proposed control method is expected to be very efficient for detecting and clearing power quality disturbance in distribution systems. Results are simulated using PSCAD software.

Key Words:  Power Quality, Voltage sag, Voltage Swell, Dynamic Voltage Restorer(DVR)