Introduction
Thyristors
Controlled rectifiers
AC voltage controllers
DC choppers
100

It is a 3 terminal device with collector, emitter and base.

what is a power BJT?

100

Silicon controlled Rectifier

Expand SCR

100

Thyristors

which device is used for controlled rectification

100

AC-AC converter

What is an AC voltage converter?

100

DC-DC converter

What is a chopper?

200

Depletion type(n channel,p channel) and Enhancement type(n channel,p channel)

Name types of MOFETS

200

Forward blocking,Reverse Blocking,Forward conduction

What are the regions of operation of SCR

200

Triggering angle or firing angle

What is the triggering point of an SCR known as?

200

on off controller, single phase bidirectional half wave controller,single phase bidirectional full wave controller

What are the types of AC voltage controllers

200

DC-DC converter where output voltage is less than input voltage

What is a step down chopper

300

SCR, Power Mosfets, Power BJTs, MCT, GTO, MTO

Name some of the power electronic devices

300

NO

Does SCR require continuous gate supply
300

Make anode current as 0 and reverse bias the SCR

How do you turn off Thyristor?

300

Fan regulator

Give an example of AC voltage converter

300

speed control of DC motors

Give an application of choppers