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Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 8)

Publication Date:

Authors : ; ;

Page : 565-577

Keywords : ;

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Voltage sags and swells in the medium and low voltage distribution grid are considered to be the most frequent type of power quality problems based on rece nt power quality studies. Their impact on sensitive loads is severe. The impact ranges from load disruptions to substantial economic losses up to millions of dollars. Different solutions have been developed to protect sensitive loads against such disturban ces but the DVR is considered to be the most efficient and effective solution. Its appeal includes lower cost, smaller size and its dynamic response to the disturbance. This research described DVR principles and voltage restoration methods for balanced and /or unbalanced voltage sags and swells in a distribution system. Simulation results were presented to illustrate and understand the performances of DVR under voltage sags/swells conditions.

Last modified: 2016-08-17 20:10:20