Overview of the Effect of Distributed Generation on Protection in Power Distribution Systems

S. Brahma and A. Dirgis (USA)


Fault current, Fuse, Power distribution system, Power system protection, Protective device coordination, Recloser, Relay.


The popularity of Distributed Generation (DG) is on the rise due to various reasons like deregulation of power systems, increasing difficulty faced in erecting new transmission and distribution infrastructure and technological advances in the area of alternate energy sources. This is likely to change the traditional radial nature of the power distribution system into a multi source unbalanced network. Researchers have addressed issues like the effect of DG on protection, fault location, stability and power quality of distribution systems penetrated by DG. This paper presents an overview of research done to address the protection issues. The paper presents a brief description of different aspects with relevant references and summarizes the emerging issues

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