Abstract:This paper deals with improving the technique of a dynamic voltage restore (DVR). The DVR is a dynamic solution to protect sensitive loads against voltage sags and swells. The DVR can be implemented to protect a group of medium- or low-voltage consumers. Various control methods are proposed to the DVR control, such as pre-sag, in-phase, and minimum energy compensation algorithms, etc. This study presents a modification of the pre-sag method of DVR control in which the steady state and transient response of the… Show more
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