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Dan Penache - IEEE Xplore Author Profile

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A hybrid circuit breaker consists of a series-connected vacuum- and SF6 interrupter. The vacuum interrupter has the function to withstand very steep-rising transient recovery voltages, whereas the SF6 interrupter is stressed with the peak of it. Full scale tests are described of a 145-kV prototype, which is subjected to short-line faults based on 63 kA. During these tests, current through the brea...Show More
A hybrid circuit breaker consists of a series connected vacuum- and SF6 interrupter. The vacuum interrupter has the function to withstand very steep rising transient recovery voltages, whereas the SF6 interrupter is stressed with the peak of this voltage. Full scale tests are described of a 145 kV prototype, subjected to short-line faults based on 63 kA. During these tests, current through the bre...Show More