Development of non-intrusive monitoring for reactive switching of high voltage circuit breaker

Lopez-Roldan, Jose, Pater, Ryszard, Poirier, Sebastien, Birtwhistle, David, Tang, Tee, Doche, Rene, & Blundell, Mark (2014) Development of non-intrusive monitoring for reactive switching of high voltage circuit breaker. International Journal of Electrical Power and Energy Systems, 61, pp. 219-228.

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Abstract

High-voltage circuit breakers are among the most important equipments for ensuring the efficient and safe operation of an electric power system. On occasion, circuit breaker operators may wish to check whether equipment is performing satisfactorily and whether controlled switching systems are producing reliable and repeatable stress control. Monitoring of voltage and current waveforms during switching using established methods will provide information about the magnitude and frequency of voltage transients as a result of re-ignitions and restrikes. However, high frequency waveform measurement requires shutdown of circuit breaker and use of specialized equipment. Two utilities, Hydro-Québec in Canada and Powerlink Queensland in Australia, have been working on the development and application of a non-intrusive, cost-effective and flexible diagnostic system for monitoring high-voltage circuit breakers for reactive switching. The proposed diagnostic approach relies on the non-intrusive assessment of key parameters such as operating times, prestrike characteristics, re-ignition and restrike detection. Transient electromagnetic emissions have been identified as a promising means to evaluate the abovementioned parameters non-intrusively.

This paper describes two complimentary methods developed concurrently by Powerlink and Hydro-Québec. Also, return of experiences on the application to capacitor bank and shunt reactor switching is presented.

Impact and interest:

5 citations in Scopus
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3 citations in Web of Science®

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ID Code: 88856
Item Type: Journal Article
Refereed: Yes
DOI: 10.1016/j.ijepes.2014.03.048
ISSN: 0142-0615
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 12 Oct 2015 05:00
Last Modified: 12 Oct 2015 05:00

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