Series and Shunt Compensation of Transmission Lines: The performance of long EHV AC transmission systems can be improved by reactive compensation of series or shunt (parallel) type. Series capacitors and…
Testing of Circuit Breakers Articles: 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…
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 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…
Performance of Circuit Breaker System Requirements: Analysis of circuit interruption and the foregoing discussion of various circuit breakers apply to circuit breakers in practice if they had ideal switching characteristics.…
Air Break Circuit Breaker: The arc interruption process of Air Break Circuit Breaker is based on the natural deionization of gases by a cooling action. The arc is resilient and…
Static Distance Protection Relay: Static Distance Protection Relay are characterized by having two input quantities respectively proportional to the voltage and current at a particular point in the power system,…
Differential Relay Application: The principle of operation depends on a simple circulating current principle where the difference of the currents of the two CTs flows through the relay under normal…