Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22590
Title: Grounding faulted feeder detection with fault resistance measurement in mining power systems
Authors: Zeng, XJ
Li, KK
Chan, WL 
Su, S
Keywords: EMTP
Earthing
Electric resistance measurement
Fault currents
Fault diagnosis
Mining
Power system faults
Power system protection
Power system simulation
Relay protection
Sensitivity
Issue Date: 2005
Publisher: IEEE
Source: Conference Record of the 2005 Industry Applications Conference : Fourtieth IAS Annual Meeting : 2-6 October 2005, USA, v. 1, p. 657-661 How to cite?
Abstract: Many mining power systems have been operated with floating neutral or high resistance grounded. The earth fault current is no more than a few tens of amperes. Traditional earth fault detection methods based on zero sequence current have poor sensitivity in this case. For improvement, a fault detection scheme with fault current and fault resistance measurement is presented in the paper. It can detect high impedance grounding faults (HIGF). The scheme has been verified by EMTP simulation, and fault detection prototype has been developed and tested. Results show that the scheme has with high sensitivity and robustness.
URI: http://hdl.handle.net/10397/22590
ISBN: 0-7803-9208-6
ISSN: 0197-2618
DOI: 10.1109/IAS.2005.1518377
Appears in Collections:Conference Paper

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