Multiagent-Based Distributed Load Shedding for Islanded Microgrids

Xi Wu, Ping Jiang and Jing Lu
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Xi Wu: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Ping Jiang: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Jing Lu: NARI-Relays Electric CO., LTD, Nanjing 211100, China

Energies, 2014, vol. 7, issue 9, 1-13

Abstract: This paper addresses a multiagent-based distributed load shedding scheme to restore frequency for the microgrids during islanded operation. The objective of the proposed scheme is to realize a distributed load shedding considering its associated cost and the capacity of the flexible loads. There are two advantages of the proposed scheme: (1) it is a distributed scheme using average-consensus theorem, which can discover the global information when only communications between immediate neighboring agents are used, moreover it can meet the requirements of plug-and-play operations more easily than a centralized scheme; (2) it is a new adaptive load shedding through the comprehensive weights which take into accounts the cost of load shedding and the capacity of flexible loads, these comprehensive weights are evaluated locally by making use of the adaptability and intelligence characteristics of agents. Simulation results in power systems computer aided design (PSCAD) illustrate the validity and adaptability of the proposed load shedding scheme.

Keywords: average-consensus theorem; distributed load shedding; islanded microgrids; multiagent (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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