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Title: Multi-agents based protection for distributed generation systems
Authors: Zeng, XJ
Li, KK
Chan, WL 
Su, S
Issue Date: 2004
Source: Proceedings of the 2004 IEEE International Conference on Electric Utility Deregulation, Restructuring and Power Technologies, 2004 : (DRPT 2004), 5-8 April 2004, v. 1, p. 393-397
Abstract: As a result of deregulation, distributed generation (DG) systems with distributed generators installed in the middle or low voltage networks become popular in distribution systems. Traditional protections developed in radial systems are difficult in coordination and in protecting against high impedance fault (HIF), sometimes it may cause nuisance tripping in the DG systems. A decentralized multi-agent based protection with capability of HIF detection, fault location and load shedding for the DG systems is proposed in the paper. Digital relay is designed as a relay agent which is capable of searching for information from other relay agents, interacting with other relay agents and performing tasks of protection with autonomy and cooperating. The agent based protection scheme is also presented. EMTP simulation results show that the proposed agent based protection scheme can remove the influence of load switching operations, protect against HIF, electric shock. The prototype of relay agent is developed, the research is now in progress on testing the prototype in dynamic power system.
Keywords: EMTP
Distributed power generation
Electric generators
Fault location
Multi-agent systems
Power distribution faults
Power distribution protection
Power generation faults
Power generation protection
Publisher: IEEE
ISBN: 0-7803-8237-4
DOI: 10.1109/DRPT.2004.1338528
Appears in Collections:Conference Paper

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