Effect of Distributed Generation and Feeder Sectioning Devices on the Reliability of the Electric Distribution Systems

Ali S. Khraiwish

Abstract


Some of the main approaches for improving the reliability of distribution systems are reducing: the System Average Interruption Duration Index (SAIDI), the Customer Average Interruption Duration Index (CAIDI) and the Average Energy Not Supplied (AENS). This paper discusses the effect of Distributed Generation (DG) and feeder-sectioning devices on reducing the above-mentioned indices. It presents a technique, which can be used for quantitative assessments. A computer program has been developed to calculate the reliability indices of a number of practical radial distribution systems in three different cases. The results clearly show the improvement of the reliability of the distribution system as distributed generators and sectioning devices are added to the system.


Keywords


Distribution Systems, Distributed Generation, Power Quality, Reliability, Switching Devices.

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