Vacuum arc commutator for resistive fault current limiter. Final report

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Abstract
A triggered vacuum arc commutating switch, based on magnetic modulation, has been evaluated for application to a resistive fault current limiter at transmission voltages. A self-contained turn-on, turn-off switch has been demonstrated for the multi-MW power level. Up to 9 kA have been interrupted. Transient recovery voltages ranged up to 20 kV. Parallel shunt capacitance increases the interruption ability, particularly at higher source voltages.

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