Author(s): S. Deepa, S. Rajapandian


DOI: Not Available

Address: S. Deepa1* Dr. S. Rajapandian2
1Research Scholar, Sathyabama University, Chennai, India.
2Professor, Panimalar Engineering College, Chennai, India.
*Corresponding Author

Published In:   Volume - 3,      Issue - 3,     Year - 2012

The dynamic voltage restorer (DVR), a custom power device, has been proposed to mitigate voltage sags, thereby protecting sensitive loads. The voltage-restoration process involves real-power injection into the distribution system. The Interline DVR (IDVR) proposed in this paper provides a way to compensate the voltage deviation caused in a feeder. The IDVR consists of several DVRs connected to different distribution feeders in the power system sharing common energy storage. Here, one DVR in the IDVR system works in voltage-sag/swell compensation mode while the other DVR in the IDVR system operate in power-flow control mode. The single phase model of the IDVR system is illustrated which is operated by Multiple Pulse Width Modulation (PWM). Close loop control for sag/swell for a simple system is modeled and simulated using MATLAB software. The simulation results are presented to demonstrate the effectiveness of the proposed IDVR system.

Cite this article:
S. Deepa, S. Rajapandian. Voltage Sag and Swell Mitigation Using Interline Dynamic Voltage Restorer. Research J. Engineering and Tech. 3(3): July-Sept. 2012 page 202-206.

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