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Novel Sag Detection Method for Line-Interactive Dynamic Voltage Restorer

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4 Author(s)
B. Bae ; Department of Electrical Engineering, Myongji University, Kyunggi-do, South Korea ; J. Jeong ; J. Lee ; B. Han

This letter proposes a novel sag detection method for the line-interactive dynamic voltage restorer (DVR). The DVR with proposed detection method can compensate the voltage sag or interruption within 2-ms delay, which is faster than the existing delay time of 4 ms. The feasibility of proposed method was verified through computer simulations. The DVR with proposed detection method can effectively compensate the voltage sag or interruption for sensitive loads.

Published in:

IEEE Transactions on Power Delivery  (Volume:25 ,  Issue: 2 )