In the synthetic test of high-voltage circuit breakers, insulation failures occur very often when the breaker operates frequently. It is very important to diagnose the early insulation fault of the ...

This paper provides a pragmatic solution to the challenge of testing fault current interruption of high-voltage direct current (HVDC) circuit breakers (CBs). The critical parameters in the design of a ...

Police in Anna, Texas, say technology and teamwork helped arrest a man accused of stealing nearly 300 circuit breakers from new homes.