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Aspects of circuit breaker performance during high voltage shunt reactor switching Giudici, Ben Charles


High voltage shunt reactor switching is a difficult circuit breaker duty. Severe reactor network insulation stresses can occur on breaker current chopping and even more so on breaker reignition. Predicting reactor switching transients is fundamental to assessing insulation concerns, and evaluating circuit breaker performance. This work demonstrates measurement of circuit breaker interruption characteristics relevant to reactor switching, and their use in computer simulation of reactor switching transients. A technique for predicting circuit breaker reactor switching performance through simulation is also introduced and tested.

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