Auto Reclosing Circuit Breaker Articles: Auto Reclosing Scheme: It is well realized that the transient faults which are most frequent in occurrence do no permanent damage to the system as…
Feeder Protection Relay Articles: Types of Feeder Protection Relay: A composite transmission system may use one or more of the following types of Feeder Protection Relay. Overcurrent Protection: This is…
Application of Relay Articles: Comparator Equation in Power System Protection: Taking a very general case to cover the complete range of conventional relay characteristics, let S1 and S2 be the…
Indirect Testing of Circuit Breaker: With the increase in the breaking capacity of the HV circuit breakers, it has become uneconomical and unpracticable to increase the short-circuit capacity of testing…
Circuit Breaker Analyzer: Short Circuit Generator: This is of a special design having very low reactance in order to give the maximum short-circuit output of the Circuit Breaker Analyzer. The…
Circuit Breaker Tester Classification: Circuit Breaker Tester can be classified into two main groups, viz. (i) type tests and (ii) routine tests. Type Tests: These are performed solely for the…
Basic Steps for Design of Circuit Breaker Types: It is well known that a Circuit Breaker Types in an electrical power system has to perform the following four major operations.…
DC Circuit Breaker: Light duty DC Circuit Breaker have been in use since long. However, with the latest developments in HVDC transmission there would naturally be the necessity of the…