NDLI: Smart high voltage circuit breaker in overhead power lines for smart grid applications

Content Provider	IEEE Xplore Digital Library
Author	Pasdar, A.M. Sozer, Y.
Copyright Year	2013
Abstract	Fault detection and protection is a major concern in electric transmission and distribution network. Faults having high impedance on an energized network are difficult to capture and pose great threat for safety and security. Smart circuit breaker is presented for detecting a fault during the real time operation of the power system. The proposed method monitors the high frequency impedance of the grid in a real time which can operate in both energized and de-energized conditions. In order to measure the impedance, circuit breaker injects high frequency signal into the line. Injected signal is blocked by a LC line trapper at the substation side and by an active blocker at the opposing end of the desired segment. Relative change in the measured impedance is a reference to detect the presence of the high impedance fault. The validity of the proposed method is verified with simulations.
Starting Page	1118
Ending Page	1123
File Size	1323924
Page Count	6
File Format	PDF
ISBN	9781479903368
DOI	10.1109/ECCE.2013.6646830
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance measurement Substations Smart circuit breaker Circuit breakers High frequency signal injection to grid Active signal blocker Conductors Frequency measurement Smart protective device Impedance Circuit faults Smart grid
Content Type	Text
Resource Type	Article

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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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