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.…
SF6 circuit breaker: One of the recent developments in the field of high voltage switchgear is the SF6 circuit breaker. In this a gas called sulphur hexafluoride is used as…
Vacuum Circuit Breaker: Although the advantages of interrupting the arc in a vacuum were recognized as early as the nineteenth century, this did not find wide application till a few…
Ultra High Voltage Circuit Breakers: The specific requirements demanded of a Ultra High Voltage circuit breaker by system and operator considerations are at present considered to be the following. Speed…
Air Blast Circuit Breaker: Air Blast Circuit Breaker - It is not possible to produce a low resistance arc without a considerable gas pressure so that the only type available…
Restriking Voltage Transient: Electrically a power system is an oscillatory network so that it is logical to expect that the interruption of fault current will give rise to a transient,…
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,…