A New Method for Faulted Line Identification in Neutral Non-Grounded Distribution Systems

Abstract:

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It is well-known that, the identification of the single-phase to ground faulted line in neutral non-grounded distribution systems is a difficult problem, due to its very small faulted current. This paper proposes a new method for the solution of this problem. The principle of the proposed method is to convert the neutral non-grounded system into a neutral grounded system temporarily by using a triggered vacuum switch based controllable short-circuit equipment. By time-domain numerical simulation, the proposed method is evaluated, and the simulation results have shown the effectiveness of the proposed method.

Info:

Periodical:

Advanced Materials Research (Volumes 383-390)

Edited by:

Wu Fan

Pages:

2496-2500

DOI:

10.4028/www.scientific.net/AMR.383-390.2496

Citation:

D. Li and F. Z. Wang, "A New Method for Faulted Line Identification in Neutral Non-Grounded Distribution Systems", Advanced Materials Research, Vols. 383-390, pp. 2496-2500, 2012

Online since:

November 2011

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Price:

$35.00

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