What is forced commutation?
Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?
Explain why is the diffusion technique of formation of resistor most widely used?
what are the applications of integrators?
What are the advantages of load commutated chopper?
What is meant by dc chopper?
what is an excitation table?
What is the main purpose of power electronics?
What are the main components used for isolating the power circuits, power semiconductor from the low-power circuit?
Power mosfet is a voltage controlled device. Why?
Why is sio2 layer formed over the entire surface in a monolithic ic?
Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?
What is load commutation?
What is meant by high frequency carrier gating?
What are the losses that occur in a thyristor during working conditions?