NDLI: Influence of the time constant of DC component on interrupting duty of GCB

Content Provider	IEEE Xplore Digital Library
Author	Satou, T. Nishio, M. Kawakita, K. Baba, S. Kamei, K. Hirano, Y. Kobayashi, A. Nakamoto, T. Hirasawa, K. Yamane, Y.
Copyright Year	2001
Description	Author affiliation: Kansai Electr. Power Co. Inc., Osaka, Japan (Satou, T.)
Abstract	The time constant of the DC component of fault currents in Japanese power systems has gradually been increased due to the concentration of power sources and utilization of large capacity transmission lines. Large time constants of the DC component are proposed in the new draft of future IEC 60056 and the latest Japanese standard (JEC-2300-1998). From the point of view of reliability in the system, it is important to investigate the influence of the time constant of DC component on interrupting duty of GCB. The authors performed interrupting tests with asymmetrical current on 550 kV 63 kA GCB by the equivalent test method. The procedure of the equivalent test method is as follows: decision of the arcing time in single-phase short-circuit test considering maximum arc energy in three-phase terminal fault; waveform simulation of the interrupting current at the last major loop; and evaluation of dielectric recovery characteristics using 2-part method.
Starting Page	300
Ending Page	305
File Size	535947
Page Count	6
File Format	PDF
ISBN	0780366727
DOI	10.1109/PESW.2001.917052
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-01-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	IEC standards Testing Fault currents Voltage Power system reliability Power transmission lines Power system faults Performance evaluation Circuit faults Dielectrics
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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