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Ungrounded System Fault Section Detection Method by Comparison of Phase Angle of Zero-Sequence Current
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 Title & Authors
Ungrounded System Fault Section Detection Method by Comparison of Phase Angle of Zero-Sequence Current
Yang, Xia; Choi, Myeon-Song; Lee, Seung-Jae; Lim, Il-Hyung; Lim, Seong-Il;
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 Abstract
In this paper, an integrated fault section detection and isolation strategy is proposed based on the application of the Distribution Automation System(DAS) utilizing advanced IT and communication technologies. The Feeder Remote Terminal Unit(FRTU) has been widely used to collect data in the Korean distribution system. The achieved data is adopted in this method for detecting multiple fault types. Especially in the case of single phase-to-ground fault, the fault section is detected by comparison of the zero-sequence current phase angle. The test results have verified the effectiveness of the proposed method in a radial distribution system through extensive simulations in Matlab/Simulink. Furthermore, a communication-based demo system identical to the simulation model has been developed, and it can be applied as an online monitoring and control program for fault section detection and isolation.
 Keywords
DAS;Distribution System;Fault Section Detection;FRTU;Ungrounded System;
 Language
English
 Cited by
 References
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