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Title: Protection relay coordination on ring-fed distribution network with distributed generations
Authors: So, CW
Li, KK
Keywords: Distributed power generation
Overcurrent protection
Power distribution faults
Power distribution protection
Power distribution reliability
Relay protection
Issue Date: 2002
Publisher: IEEE
Source: 2002 IEEE Region 10 Conference on Computers, Communications, Control and Power Engineering, October 28-31, 2002, Beijing, China, v. 3, p. 1885-1888 How to cite?
Abstract: Distributed generation converts distributed resources such as wind, solar, and bio-mass into electrical energy. A successful criteria to make it profitable is a secure and reliable utility interconnection. The conventional distribution protection is traditionally designed for one supply source. In a distribution network with distributed generation, two or more sources will feed to one fault causing mis-coordinated relay operations resulting in lower supply reliability. This paper presents the time coordination method which can coordinate the overcurrent relays to protect the ring-fed distribution network with distributed generations. The results show that the optimized relay settings can improve the supply reliability especially in distributed generation cases.
ISBN: 0-7803-7490-8
DOI: 10.1109/TENCON.2002.1182705
Appears in Collections:Conference Paper

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