Previous year question paper for IECD (Diploma Electrical Engineering 5th)

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Industrial Electronics & Control Drives

Previous year question paper with solutions for Industrial Electronics & Control Drives from 2012 to 2012

Our website provides solved previous year question paper for Industrial Electronics & Control Drives from 2012 to 2012. Doing preparation from the previous year question paper helps you to get good marks in exams. From our IECD question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

1. Introduction to SCR (18 hrs)

1.1. Construction and working principles of an SCR, two transistor

analogy, intorudction to Quadriac

1.2. SCR specifications and rating

1.3. Construction, working principles and V-I characteristics of SCRs,

DIAC, TRIAC etc.

1.4. Basic idea about the selection of heat sinks for SCR and TRIACS

1.5. Methods of triggering a Thyristor. Study of triggering circuits

1.6. UJT, its Construction, working principles and V-I characteristics, UJT

relaxation oscillator

1.7. Commutation of Thyristors

1.8. Series and parallel operation of Thyristors

1.9. Applications of SCR, TRIACS in control circuits such as light intensity

control, speed control of DC and universal motor, fan regulator,

battery charger etc.

1.10. Protection of SCRs.

2. Controlled Rectifiers (10 hrs)

2.1 Single phase half wave controlled rectifier with resistive load and

inductive load, concept of free wheeling diode.

2.2 Single phase half controlled full wave rectifier

2.3 Single phase fully controlled full wave rectifier bridge.

2.4 Single phase full wave centre tapped rectifier

2.5 Three phase full wave half controlled bridge rectifier

2.6 Three phase full wave fully controlled bridge rectifier

3. Inverters, Choppers, Dual Converters and Cyclo Convertors (20 hrs)

3.1 Inverter-introduction, working principles, voltage and current driven

series and parallel inverters and applications

3.2 Choppers-introduction, types of choppers and their working

principles and applications

 3.3 Dual converters-introduction, types of dual-converters, working

principles and applications

3.4 Cyclo-converters- introduction, types, working principles and

applications 

115

4 Uninterrupted power supplies (8 hrs)

(1) UPS online, off line

(2) SMPS 

Mark Favorite
2012
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Related Subjects
DE EM2 EP1 GSED NCES
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