Ferranti Surge Absorber

Transients or surges on the power system may originate from switching or lightning. These surges set up traveling waves in the transmission lines. These traveling waves may reach the terminals of expensive equipment in power system and may cause damage to it.   This amount of damage caused by surges Read more…

Operation of Circuit Breaker

Circuit breakers are mechanical devices designed to make and break the electrical circuits under normal and abnormal conditions.   Automatic circuit breakers, which are generally used for the protection of electrical circuits, are equipped with a trip coil connected to a relay designed to open the circuit breaker automatically under Read more…