Conventional Circuit Breaker Articles: Automatic Switch Circuit Breaker: The Automatic Switch Circuit Breaker is the simplest circuit interruption device is the knife switch. By closing the switch against the action…
Merits and Demerits of Types of Conventional Circuit Breakers: Having studied the operational principles, the constructional features and fields of application of the bulk oil, minimum oil and air-blast circuit…
Switching Circuits Articles: What is Switching Circuit? In practice, we often need making (switching on) and breaking (switching off) of an electrical circuit. It is also desirable and sometimes essential…
HVDC Circuit Breakers - Construction and Working Principle: Light duty dc circuit breakers have been in use since long. However, there is lack of suitable circuit breakers for HVDC systems.…
Nonlinear Circuits Interview Questions and Answers: 1. What is a comparator and where is it used ? Ans. A comparator is essentially an op-amp operated in open-loop configuration. The output signal…
Emitter Follower Circuit - Operation, Advantages and Applications: Emitter Follower Circuit is also a negative current feedback circuit. This circuits exhibits a large input impedance, a small output impedance, and…
DC Equivalent Circuit of Transistor: DC Equivalent Circuit of Transistor - In the common base circuit, the emitter diode acts like a forward biased ideal diode, while collector diode acts…
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…