DC Distribution Interview Questions and Answers: 1. What is distribution system ? Ans. The part of power system which distributes electric power for local use is known as distribution system.…
Network Analysis Interview Questions and Answers: 1. What is an electric network? Ans. An electric network is an interconnection of physical electrical devices such as an energy source (or sources), an…
Power Semiconductor Devices Interview Questions and Answers: 1. Give the broad classification of power semiconductor devices. Ans. Power semiconductor devices can be broadly classified into three categories viz. power diodes, thyristors…
Power Converters Interview Questions and Answers: 1. What is freewheeling diode? Ans. Freewheeling diode is a bypass or commutating diode. It is connected across motor terminals to allow for dissipation of…
Fuel Handling System and Ash Handling System: Handling of coal: The coal handling is divided into two types: Out-plant handling. In-plant handling. 1. Out-plant handling: This handling includes the handling…
Inverter - Definition and Classification of Inverters: A device that converts dc power into ac power at desired output voltage and frequency is known as an inverter. Some industrial applications…
Step Down Chopper with RLE Load Working Principle: The choppers are widely employed for speed control of dc motors in industrial and traction drives. Figure 27.30 (a) shows the basic…
Step up Chopper - Definition, Circuit Diagram and its Working Principle: In a step-down chopper the output voltage lies between zero and supply voltage. However, there are techniques by which…