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Title: A novel differential protection method based on simultaneous sampling value of three-phase current
Authors: Sun, BX
Chan, KW 
Pan, JF
Issue Date: 2005
Source: Conference Record of the 2005 Industry Applications Conference : Fourtieth IAS Annual Meeting : 2-6 October 2005, USA, v. 2, p. 843-847 (CD-ROM)
Abstract: Switching off fault fast is a low investment, high effect method to make power system transient stable. In this paper, the development process of current differential protection is presented together with detailed analysis of recent current phase differential protection theories. Furthermore, a novel current differential protection method which composed of simultaneous sampling value of three-phase current is presented. The validity of the proposed method is fully validated using EMTP simulation. Simulation results show that the method is effective and reliable.
Keywords: Power system faults
Power system protection
Power system transient stability
Publisher: IEEE
ISBN: 0-7803-9208-6
ISSN: 0197-2618
DOI: 10.1109/IAS.2005.1518434
Appears in Collections:Conference Paper

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