Power Semiconductors and Transistors – Sample Practice Questions

Power Semiconductor Diodes and Transistors Sample Electrical Engineering Job Questions, Practice Questions on Power Semiconductor Diodes and Transistors, Job Interview Questions and Written Test Questions:
What is a diode?
What are Schottky diodes?
P-N Junction Diodes
What are the Characteristics of diodes? VI Characteristics
Explain the Storage Charge, Rate of change of Current of Diodes, Cut in Voltage.
Various Types of [...]

Diode Circuits & Rectifiers – Sample Practice Questions

Diode Circuits and Rectifiers Sample Electrical Engineering Job Questions, Practice Questions on Diode Circuit and Rectifier, Job Interview Questions, Written Test Questions:
Explain Diode Circuits.
What are Freewheeling Diodes?
L Circuit.
What is Trapped Energy?
Diode Rectifier – Single Phase – Half Wave rectifier.
What is Zener Diode?
Numericals about calculation of Diode conduction time, diode peak current, steady state voltage across [...]

Inverters – Sample Practice Questions

Inverters Sample Electrical Engineering Job Questions, Practice Questions on Inverters, Job Interview Questions, Written Test Questions:
What is the operating principle of single phase voltage source inverters?
What are force commutated thyristor inverters and their types?
Various types are

Modified Mc Murray half bridge inverter
Modified Mc Murray Full bridge inverter
Modified Mc Murray Bedford Half bridge inverter
Modified Mc Murray Bedford [...]

AC Voltage Controllers – Sample Practice Questions

AC Voltage Controllers  Sample Electrical Engineering Job Questions, Practice Questions on AC Voltage Controller, Job Interview Questions, AC Voltage Controllers Written Test Questions:
What is an ac voltage controller?
Various types of ac voltage controllers
Various industrial applications
Principle of burst firing control for a single phase ac voltage controller
Draw:
Waveforms of source voltage, gating signals, Output voltage, source and [...]

Choppers – Sample Practice Questions

Choppers Sample Electrical Engineering Job Questions, Practice Questions on Chopper Circuits, Job Interview Questions, Choppers Written Test Questions:
What is the principle of operation of a DC Chopper?
Explain the two important control strategies of chopper operation – constant frequency system and variable frequency system.
What are step up choppers? What is its principle?
Expression for average O/P voltage [...]

Cycloconverters Sample Practice Questions

Cycloconverters Sample Electrical Engineering Job Questions, Practice Questions on Cycloconverters, Job Interview Questions, Cyclo Converter Written Test Questions:
What are CCs?
What is the principle of cycloconverter operation?
Explain the following:
Single phase to single phase circuit step up cycloconverter – Mid point CC & Bridge point CC
Single Phase to single phase circuit step down cycloconverter – Mid point [...]

Electric Drives Sample Practice Questions

Electric Drives Sample Electrical Engineering Job Questions, Practice Questions on Electric Drives, Job Interview Questions, Electric Drive Written Test Questions:
Explain the Concept of Electric Drives.
What are single phase DC Drives?
Three phase DC Drives.
Explain the Chopper Drives, AC Drives, Induction Motor Drives,
Synchronous Motor Drives
Method for speed control of DC Motors
Characteristics of a motor with constant torque [...]

Thyristors – Sample Questions

Thyristors Sample Electrical Engineering Job Questions, Practice Questions on Thyristors, Job Interview Questions, Thyristors Written Test Questions:
What is a thyristor? Which is the most popular thristor?
What are the different modes of operation of a thyristor. VI Characterisitcs
What is its circuit symbol. Switching Characteristics of Thyristor.
What is SCR, Draw its VI & Switching Characteristics
How to turn [...]