Working of Air Circuit Breakers
What is an ACB? A circuit breaker in which the contacts open and close in the air at atmospheric pressure …
What is an ACB? A circuit breaker in which the contacts open and close in the air at atmospheric pressure …
Armature reaction also occurs in a DC motor just like armature reaction in DC Generator. This is expected because when …
Like DC generators, there are different types of DC motors characterized by the connections of the field winding in relation …
A DC motor is an electrical machine that converts electrical energy into mechanical energy. DC motor working is based on the principle …
46. The short coming of repulsion motor is (A) variation of speed with load (B) low power factor (C) tendency …
Neutral grounding, also known as neutral earthing, involves connecting the neutral point of the supply system, rotating machines, or transformers …
A universal motor is one of the single-phase motors that can be operated on either direct current or single-phase alternating …
What is VCB? VCB stands for Vacuum Circuit Breaker. In vacuum circuit breakers, the vacuum is used as the arc quenching …
The three phase induction motors are the most widely used electric motors in the industry. They work on the principle …
An underground cable essentially consists of one or more conductors covered with suitable insulation and surrounded by a protecting cover. …