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2014 | OriginalPaper | Chapter

The Auto-tuning of ASC and Fault Online Selection Device in Intelligent Substation

Authors : Haibo Bu, Zhihong Zhang, Fazhang Li, Yanjun Li

Published in: Unifying Electrical Engineering and Electronics Engineering

Publisher: Springer New York

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Abstract

In this chapter, the characteristic of single-phase earth fault in the 10kV isolated neutral distribution network is studied. The application of the auto-tuning of arc suppression coil (ASC) and fault line selection device in a 110kV intelligent substation is introduced. The application in field shows that the auto-tuning of ASC and fault line selection device can measure system reactive power and adjust the tap of ASC to the proper position in normal operation state to ensure the safe and reliable operation of the system. And when the single-phase earth fault occurs, the fault line can be selected correctly and the line-selection success rate is up to 100%. The applications of this device can reduce the workload of the substation maintenance, shorten the accident processing time, and improve the level of automation and intelligent substation and operation personnel’s working efficiency.

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Title: The Auto-tuning of ASC and Fault Online Selection Device in Intelligent Substation
Authors: Haibo Bu
Zhihong Zhang
Fazhang Li
Yanjun Li
Publisher: Springer New York
Book: Unifying Electrical Engineering and Electronics Engineering
Print ISBN: 978-1-4614-4980-5

Electronic ISBN: 978-1-4614-4981-2

Copyright Year: 2014
DOI: https://doi.org/10.1007/978-1-4614-4981-2_59