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Improvement of saidi and saifi reliability indices using a shunt circuit-breaker in ungrounded MV networks

M. Gonzalez
2013 22nd International Conference and Exhibition on Electricity Distribution (CIRED 2013)   unpublished

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This document has been created after the report published at CIRED in 2005, 2009 and 2011 in Ungrounded Medium Voltage Systems -ref. 0028, 0875 and 0182), ref.[1]. Established in the cantons of Fribourg, Neuchâtel and Vaud, the Swiss company Groupe E currently operates its medium voltage networks in ungrounded mode. To eliminate insulation faults, in the case of single lineto-earth fault, we use shunt circuit-breaker systems with unipolar closure connected to the MV busbars of our substations.
more » ... his system facilitates fault elimination without the necessity to open the faulty line. As for any extinction or current limitation systems, Petersen coil or earth resistance, the power quality is affected.
doi:10.1049/cp.2013.0565 fatcat:7eh5b6lojnhydn5tzgdan4zxwm
Citation

M. Gonzalez. "Improvement of saidi and saifi reliability indices using a shunt circuit-breaker in ungrounded MV networks." 22nd International Conference and Exhibition on Electricity Distribution (CIRED 2013) (2013)