Inst Tools - Instrumentation, Electrical, PLC Tutorials

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.

Insulated Gate Bipolar Junction Transistor (IGBTs) are normally classified into two types. They are namely (i) Non Punch Through IGBT

Liquid level switches detect liquid levels or interfaces between liquids such as oil and water, or liquid and solid interfaces.

Silicon Carbide Arresters (SIC): The Non linear lightning arrester basically consists of set of spark gaps in series with the

A valve actuator is a device that produces force to open or close the valve utilizing a power source. This

What are different insulators employed in substations? Some of the insulators employed in substations are: Pin insulators Post insulators Strain

[1] Define luminous flux It is defined as the total quantity of light energy emitted per second from a luminous

[1] How does the Induction motor work? (OR) Why does the Rotor rotate? When the 3 phase stator windings are

The turbine flow meter sends the liquid through a rotor causing it to rotate at an angular velocity proportional to the fluid flow rate.

[1] What is meant by synchronous condenser? An over excited synchronous motor running on no load is known as synchronous