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Licensed Unlicensed Requires Authentication Published by De Gruyter June 19, 2012

The Evolution for Voltage and Reactive Power Control in Smart Distribution Systems

  • Hany E. Farag , Ehab F. El-Saadany and Ravi Seethapathy

This paper has been arisen to show the necessity of the evolution for voltage and reactive power control in distribution systems from conventional to active control techniques. The paper addresses the drawbacks and conflicts that the conventional voltage and reactive power control schemes will face in future distribution systems, especially with high penetration of Distributed Generation (DG). Some of these drawbacks have been verified by carrying out various simulation studies for different IEEE unbalanced radial distribution test systems. The results show that applying the conventional utility voltage regulation control practices in smart grid configuration is intolerable. Therefore, the issue of voltage and reactive power control in smart distribution systems is significant and an evolution of the current control schemes from passive to active is necessary. Using the smart grid technologies, a distributed single layer cooperative control scheme between substation regulators, line regulators and DG units has been proposed. The proposed cooperative scheme is based on the concept of multi-agent systems. Simulation results have been carried out to show the effectiveness of the proposed control scheme.

Published Online: 2012-6-19

©2012 Walter de Gruyter GmbH & Co. KG, Berlin/Boston

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