Power Electronics Objective Questions 1. Questions & Answers on Diodes The P-N Junction Power Diode - Part 1 Power Diode…
Why IGBT is very popular nowadays? Lower hate requirements Lower switching losses Smaller snubber circuit requirements What are the different…
Crowbar circuit is used to protect circuit or equipment under fault condition Over Current Causes: Over current flow through thyristors…
Firing Circuits: Gate triggering is the most commonly used turn-on method employed to switch on the thyristors. Triggering circuits is…
This post will discuss about testing SCR - Silicon Controlled Rectifier with thte help of Ohmmeter. The thyristor pin assignment diagram…
The Snubber circuit is one type of dv/dt protection circuit of the thyristor. With the help of snubber circuit, the…
How to test TRIAC with Digital Multimeter OR using Ohmmeter? In this short post we will discuss about how to test…
What is meant by V/F control? When the frequency is reduced, the input voltage must be reduced proportionally so as…
Why thyristors are not preferred now a days for chopper fed DC drives? Since it requires commutation circuit, thyristors are…
What is holding current in SCR? It is the minimum current required to hold the SCR in forward conduction state.…
