Power Electronics Objective Questions 1. Questions & Answers on Diodes The P-N Junction Power Diode – Part 1 Power Diode – Part 2 Types of Power Diodes – Part 1...
Why IGBT is very popular nowadays? Lower hate requirements Lower switching losses Smaller snubber circuit requirements What are the different methods to turn on the thyristor? Forward voltage triggering Gate...
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....
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...
[1] What is full converter? What is dual converter? Full converter: When positive as well as negative half cycles of the supply are rectified, it is called full converter. Dual...
What are the different types of Thyristor Protection? For  reliable operation of SCR, it should be operated within the specific ratings. SCRs are very delicate devices and so they must...