• To develop the knowledge and skill on using semiconductor diode in power
• To familiarize with power switching device.
• To develop the knowledge & skill on inverter , Chopper& Cyclocoverter
• To familiarize dc and ac control drive.
• To develop knowledge & skill on steeper motor control & Servo system .
• To develop knowledge & skill on Solar Power system
• To develop the knowledge & skill on high frequency heating and
• To familiarize Microwave heating.
Power switching devices; Semiconductor diode in power electronics; Inverters, Chopper , Cyclocoverter , Control of ac and dc drives, steeper motor , Photo device, Solar Power system , Induction Heating , Microwave heating,. Resistance welding;
1 Understand the Concept of Power Electronics.
1.1 Define the term power electronics.
1.2 Mention the major components of a power electronic system.
1.3 Describe the working of power electronic system.
1.4 Mention the scope and application of power electronics.
1.5 List the merits and demerits of power electronics.
1.6 Mention the types of power semiconductor devices.
2 Understand the characteristics of semiconductor diodes in power Electronics
2.1 Mention the requirements of Power diode and transistor.
2.2 Describe the basic structure of power diode.
2.3 Identify the types of power semiconductor diode.
2.4 Mention the reverse recovery characteristics of semiconductor diode.
2.5 Mention the I-V characteristics of series connected diodes.
2.6 Mention the I-V characteristics of parallel connected diodes.
3 Understand the features of power Transistor.
3.1 Mention the types of power transistor.
3.2 Describe the construction and operation of IGBT and SIT.
3.3 Discuss the latch-up in IGBT.
3.4 Describe the I-V characteristics of IGB.
3.5 Analyze the switching characteristics of IGBT.
3.6 Compare IGBT with MOSFET.
3.7 Mention the application of IGBT.
3.8 Describe the construction and operation of MCT.
4 Understand the features of GTO and SITH.
4.1 Describe the construction of GTO and SITH.
4.2 Describe turn-on and turn-off process of GTO and SITH.
4.3 Identify Gold-doped and anode-shorted GTO.
4.4 Compare between GTO and thyristor.
4.5 Mention application of SITH and comparison with GTO.
5 Understand the features of Inverter.
5.1 Define inverter.
5.2 Mention the basic principle of line-commuted and force commuted inverter.
5.3 Describe the operation of single-phase line-commutated full-controlled inverter.
5.4 Describe the operation of three-phase line-commutated full-controlled inverter.
5.5 Describe single-phase parallel-capacitor commutated inverter.
5.6 Describe the operation of single-phase parallel inverter with feedback diodes.
5.7 Describe the operation of single-phase series inverter.
5.8 Describe the operation of three phase forced-commutated bridge inverter.
6 Understand the features of choppers.
6.1 Define chopper.
6.2 Mention the principle of operation of chopper.
6.3 Mention the chopper control technique.
6.4 Describe the operation of voltage step-down chopper.
6.5 Describe the operation of voltage step-up chopper.
6.6 Describe the operation of voltage jones chopper.
6.7 Describe the operation of two quadrants or reversible chopper.
6.8 Describe the operation of two ac chopper.
7 Understand the features of cycloconverter.
7.1 Define cycloconverter.
7.2 Mention the types of cycloconverter.
7.3 Describe the operation of single phase/single phase (mid-point and bridge Configuration) cycloconverter.
7.4 Analyze operation of three phase / single phase (circulating and non circulating type) cycloconverters.
7.5 Describe the operation of a three phase/three phase cycloconverter.
8 Understand the features of dc drives.
8.1 Define electric drive.
8.2 Mention the elements of electric drive using power electronic converter.
8.3 State the basic performance equation of dc motor.
8.4 Explain the principle of operation of single phase (a) Half wave converter drive (b) full wave semiconverter drive, (b) full wave full converter drive (c) duel converter drive.
8.5 Explain the principle of operation of three phase (a) Half wave converter drive (b) full wave semiconverter drive, (b) full wave full converter drive. (c) duel converter drive,
8.6 Explain the operation of two quadrant and four quadrant chopper drive.
9 Understand the feature of stepper motor Control& Servo system .
9.1 Define stepper motor.
9.2 Describe different types of stepper motor.
9.3 Describe the excitation procedure of stepper motor.
9.4 Describe the control of stepper motor.
9.5 Describe the principle of operation and Construction of Dc servo , AC servo .Electrical modulator, hydraulic servomotor and hydraulic modulator
9.6 Describe the basic concepts of DC & AC position control with servo system
10 Understand the the Features of photo resistors , photo diodes and Photo transistors
10.1 Describe the basic structure of photo resistors , photo diodes and photo transistors
10.2 Explain the operating principles of photo resistors , photo diodes and photo transistors.
10.3 Explain the V-I characteristics curve of photo resistors , photo diodes and photo transistors
10.4 List typical application of photo resistors , photo diodes and photo transistors.
10.5 Explain a block Diagram showing how photo Detectors used in speed measuring system
10.6 Explain the operation of photo diode switching circuit .
10.7 Explain the operation of photo transistor switching circuit .
11 Understand Solar Power System.
11.1 Define Photovoltaic (PV) effect.
11.2 Describe the operation of a solar cell.
11.3 List the materials suitable for solar cell.
11.4 Discuss solar panel.
11.5 Mention the types of PV power system.
11.6 Describe the operation of various types of charge controllers.
12 Understand Electronic Ballast.
12.1 Mention the purpose of Ballast in discharge lamp circuit.
12.2 List the important drawbacks of electromagnetic ballast.
12.3 Describe the general block diagram of electronic ballast.
12.4 Analyze the operation of various types of electronic ballast.
13 Understand the features of induction and dielectric Heating.
13.1 State the theory of induction and dielectric heating.
13.2 Describe the principle of induction and dielectric heating.
13.3 List the effects of frequency on induction and dielectric heating.
13.4 Mention the effects of source voltage on induction and dielectric heating.
13.5 Describe the factors for choosing frequency of induction and dielectric heating.
13.6 List the advantages and applications of Induction and dielectric heating.
13.7 Describe the source of high frequency of induction and dielectric heating.
14 Understand the features of microwave heating.
14.1 Define microwave (MW).
14.2 State the basic principle of microwave heating.
14.3 Mention the frequencies used in MW heating.
14.4 Describe the construction and operation of a Mw oven.
14.5 Explain the energy dispersion system of a MW oven.
14.6 Draw a block diagram of Industrial MW heating equipment.
14.7 Discuss Different types of Applicators.
14.8 List the Industrial applications of MW heating.
15 Understand the features of office and home equipments.
15.1 State the principle of multimedia projector.
15.2 Mention the principle of operation of photo copier with block diagram.
15.3 Explain the principle and operation of laser printer.
15.4 Mention the principle and operation of washing machine.
15.5 Explain the principle and operation of SMPS with block and circuit diagram.
15.6 Explain the principle and operation of UPS and IPS.
16 Understand the features of security system.
16.1 State what is meant by electronic security system.
16.2 Explain the operation of the (smoke) indication system.
16.3 Describe the operation of touch and non touch type person (thief) detector using infrared detection system with block diagram.
16.4 Explain the operation of video monitoring system using multiple monitor switching.
17 Understand th features of resistance welding.
17.1 State the theory of resistance welding.
17.2 Mention the types of welding.
17.3 Describe the basic arrangements of (a) spot welding (b) seam welding (c) but welding.
17.4 Describe block representation o fan ac resistance welding scheme
1 Determine the V-I characteristics of series/parallel connected diodes.
2 Determine the V-I characteristics of GTO/IGBT.
3 Determine the V-I characteristics of MCT/FCT.
4 Study the operation of inverter circuit.
5 Study the operation of converter.
6 Construct the step down & step up operation of dc choppers.
7 Study the operation and application of SMPS
8. Study the operation of UPS/IPS.
9 . Study the operation and application of stepper motor control / AC/ DC motor control circuit
10. Study the operation and application of DC servo system
11. Determine the V-I characteristics curve of photo diode .
12. Study the operation and application of Solar power system .
13. Study the operation and application of Electronics ballast/ Microwave heating .
14. Study the operation of Multimedia projector / photo copier / laser printer /Washing machine.
1 Power Electronics Hand Book
– Muhammad H. Rashid
2 Industrial Electronics and Control
– Biswanath Paul
3 Industrial and Power Electronics
– G. K. Mithal
– Dr. Maneesha Gupta
4 Power Electronics – Dr. P. S. Bhimbra
5 Introduction to Power Electronics
– Denis Fewson