How to test SCR using Multimeter
This post will discuss about testing SCR - Silicon Controlled Rectifier with thte help of Ohmmeter. The thyristor pin assignment  diagram of TO-220 package is given for ready reference. Identify the…
Difference between Permanent Magnet BLDC and DC Motor
What are the main Difference between Permanent Magnet BLDC and DC Motor ?
BLDC Motor Vs AC Induction Motor
What are the main Difference between BLDC Motor and AC Induction Motor?
How Snubber Circuit works ?
The Snubber circuit is one type of dv/dt protection circuit of the thyristor. With the help of snubber circuit, the false turn-on of a thyristor due to large dv/dt can be…
How to Test TRIAC with Multimeter
How to test TRIACÂ with Digital Multimeter OR using Ohmmeter? In this short post we will discuss about how to test the Triac. Introduction about Triac: TRIAC = TRIode for Alternating…
Electrical Drives Questions & Answers
What is meant by V/F control? When the frequency is reduced, the input voltage must be reduced proportionally so as to maintain constant flux. Otherwise the core will get saturated resulting…
Power Electronics Interview Questions Part-1
Why thyristors are not preferred now a days for chopper fed DC drives? Since it requires commutation circuit, thyristors are not preferred now a days for chopper fed DC drives.…
Radiation Pyrometer Working Principle
As discussed earlier, an Optical Pyrometer can be not only be used for temperature measurement, but also can be used to see the heat that is measured. The observer is…
Top Electrical Engineering Questions & Answers
Electrical Switchgear & Protection Interview Questions Interview Questions on Transformers Single Phase Induction Motors Questions and Answers Three Phase Induction Motor Interview Questions & Answers Electrical Machines Short Answers Basic…
Electrical Switchgear & Protection Interview Questions
What are the main functions of control gear? To provide a means of starting and stopping the motor and, at the same time, of limiting the starting current if required.…