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Microgrids and their control
Book chapter

Microgrids and their control

F. Shahnia
Hybrid Renewable Energy Systems and Microgrids, pp.399-462
Academic Press
2021
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Abstract

The rising electricity demand and the inevitability of reliability improvement and cost reduction are motivating the application of distributed energy resources (DERs) within distribution networks instead of expanding them. The term microgrid refers to a small-scale electricity generation and distribution system in which a cluster of loads is supplied locally by a few DERs and/or battery energy storage systems. Such systems can operate in grid-connected and autonomous modes. For the proper operation of the DERs in such systems while regulating the voltage and frequency in the system, various control levels are required. This chapter discusses the various control structures for microgrids. Examples are provided that demonstrate the dynamics of such systems under the discussed control aspects.

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