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Electrical Questions

Ten important things about DC Motors

March 28, 2017 by admin

Ten important things about DC Motors 1. DC motor is device which convert DC electrical energy into mechanical energy. Although a machine that converts DC power into mechanical power is known as DC motor and machine that converts AC power into mechanical power is known as AC motor. 2. DC motor works on the principle […]

Filed Under: Electrical Questions

Top electrical engineering interview questions

March 18, 2017 by admin

What is Eddy current? We have seen that whenever the flux, linking with a closed electric circuit changes, an EMF is induced in the circuit and a current flows, the value of which depends on the emf around the circuit and the resistance of the circuit. It is not necessary that the circuit be a […]

Filed Under: Electrical Questions

Most important questions of DC generator

March 17, 2017 by admin

Most important questions of DC generator 1. What is the need of Multiplex winding? This is one of the most important DC generator. With a simple wave winding, there are only two parallel path whereas for lap winding the number of parallel path is equal to number of poles. Thus in case of 10 pole […]

Filed Under: Electrical Questions

Differences between synchronous motor and induction motor?

March 17, 2017 by admin

Differences between synchronous motor and induction motor? AC Motors are mainly of two types, one is synchronous motor and other is asynchronous motor. Asynchronous motor is also known as induction motor. Both Motors are widely used electric motors. Although there is a big list of differences between these two motor but here we will learn […]

Filed Under: Electrical Questions

Top ten Electrical Switchgear and Protection Questions

March 17, 2017 by admin

1. What are the different methods of controlling voltage in AC supply system? The different methods used to control voltage in ac supply system are – excitation control at generating station and by using – tap changing Transformer – induction regulator – booster Transformers – series compensation – shunt compensation and – synchronous phase modifiers […]

Filed Under: Electrical Questions

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