Single Phase Induction Motors Questions and Answers
Please Name some Single-phase induction motors? (i) split-phase type (ii) capacitor type (iii) shaded-pole type Please name two types of Repulsion motors? (i) Repulsion-start induction-run motor (ii) Repulsion-induction motor What…
Three Phase Induction Motor Interview Questions & Answers
What is the Three Phase induction motor Working Principle? Like any electric motor, a 3-phase induction motor has a stator and rotor. The stator carries a 3-phase winding (called stator…
Electrical Power Distribution
Electricity distribution is the final stage in the delivery of electricity to end users. A distribution system’snetwork carries electricity from the transmission system and delivers it to consumers. Typically, the…
Electrical Machines Short Answers
1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal advantages of the rotating field system type construction of Synchronous…
Basics of Electricity Rates
Electricity pricing (sometimes referred to as electricity tariff or the price of electricity) varies widely from country to country, and may vary significantly from locality to locality within a particular…
Electrical Power Transmission And Distribution
Electricity distribution is the final stage in the delivery of electricity to end users.A distribution system’s network carries electricity from the transmission system and delivers it to consumers. Typically, the network would…
Basic Power Electronics Interview Questions
What is holding current in SCR? It is the minimum current required to hold the SCR in forward conduction state. When the forward current becomes less than holding current, SCR…
Types of IGBT
Insulated Gate Bipolar Junction Transistor (IGBTs) are normally classified into two types. They are namely (i) Non Punch Through IGBT (ii) Punch Through . These IGBTs are also referred to…
How a Level Switch Works
Liquid level switches detect liquid levels or interfaces between liquids such as oil and water, or liquid and solid interfaces. Liquid level switches are used in a number of liquid…
Silicon Carbide Lightning Arresters Working Principle
Silicon Carbide Arresters (SIC): The Non linear lightning arrester basically consists of set of spark gaps in series with the silicon carbide non linear resistor elements. Lightning arresters are connected…
