Wherever circuits need protection against current overloads or short circuits, you’ll find circuit breakers. They range from fingernail-sized devices for semiconductor protection to truck-sized ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

THE Electrical Research Association has recently reported an interesting development which has taken place in connexion with its programme of research on gas blast circuit breakers. Normally the ...