Reviewing a typical protective device trip curve (click here to see Fig. 2), it can be divided into three regions. First is the “instantaneous region,” which is the region intended to interrupt ...

This is the first of a two-part series on the processes used to find the short circuit current duties of circuit breakers and fuses. In Part 1, we’ll use a simplified power system to illustrate the ...

In solar PV systems, circuit breaker selection is something that is easily overlooked and time should be taken to select the correct solution. If the circuit breaker is not appropriate, it will cause ...