Breakers won’t detect high-resistance, low-current arcing fault Breakers won’t detect high-resistance, low-current arcing fault Schneider Electric recently issued a recall for its Square D QO and ...

The series-type hybrid circuit breaker (S-HCB) presented in this paper has the capability of quickly turning off a 5kV DC grid with a short circuit point at 150A in approximately 10µs. The goal of ...