Chhattisgarh Swami Vivekanand Technical University, Bhilai
Semester: VIII Branch: Electronics & Telecommunication
Subject: Industrial & Power Electronics
Total Theory Periods: 40 Total Tutorial Periods: 12
Total Marks in End Semester Examination: 80
Minimum number of Class tests to be conducted: Two
UNIT – I
Regulated Power Supply:
Zener diode voltage regulator, Transistorized series voltage regulator, Op-amp voltage
regulator, Transistorized shunt voltage regulator, Three terminal voltage regulator, Switch Mode Power Supply,
Comparison of Linear Power supply and SMPS.
UNIT – II
Silicon Controlled Rectifiers:
General idea of thyristor family members. SCR- Construction, Principle of operation,
characteristics & SCR Terminologies, Different methods of turning on of SCRs. Different methods of turning off of SCRs.
Different methods of triggering SCR Circuits, Series & Paralle operation of SCRs, Load commutation; Forced
commutation; External pulse commutation.
UNIT – III
Power Conditioning Circuits:
Inverters: Line Commutated Inverters, Forced Commutated Inverters. Dual Converters:
Phase controlled dual converter, Single-phase dual converter, Three phase dual converter, Circulating current type dual
converter – Mid-point configuration & Dual bridge configuration. Choppers: Principle of operation, Chopper control
technique, Voltage step-down & Step-up chopper, Jones Chopper. Cycloconverters: Single phase/Single phase – Midpoint
configuration & Bridge configuration, Three phase/Single phase cycloconverter: Types-Circulating current type,
Non-circulating current type.
UNIT – IV
Heating and Welding Control:
Induction heating: Theory, Principle, Effects of supply frequency, and Choice
of frequency, Applications. Dielectric heating: Electronic theory, Principle, heating in materials of irregular
shape, Limitations, Effect of variation of supply voltage & frequency, Applications. Welding: Theory of
Resistance welding, Classification of Resistance welding, Scheme for AC Resistance welding.
UNIT – V
AC Power Conditioner:
Power supply Noise: Origin, Effect on computer & Communication systems, Reduction of
noise, Different forms of noise, Requirements and characteristics of the computer power supply system, Types of power
line disturbances, Effects of power line disturbances on sensitive electronic equipment. Servo System: Servo Motor,
Principle of Buck-Boost control Servo controlled voltage stabilizer, Servo-controlled voltage stabilizer. Constant voltage
transformer, UPS: On-line & Off-line.
Name of Text Books:
Industrial Electronics & Control: B. Paul, PHI
Power Electronics: M. D. Singh, Khanchandani, TMH
Name of Reference Books:
Industrial & Power Electronics: H.C. Rai, Umesh Publications.
Power Electronics: P.C. Sen, TMH