POWER ELECTRONICS(15EE53) CBCS SCHEME AND SYLLABUS,NOTES

POWER ELECTRONICS(Core Course)

AS PERCHOICE BASED CREDIT SYSTEM (CBCS)

SEMESTER–V

Subject Code 15EE53 
IA Marks 20 
Number of Lecture Hours/Week 04 
Exam Hours 03 
Total Number of Lecture Hours 50
 Exam Marks 80 
Credits – 04 

Course objectives:

• To give an overview of applications power electronics, different types of power semiconductor devices, their switching characteristics.
• To explain power diode characteristics, types, their operation and the effects of power diodes on RL circuits. 
• To explain the techniques for design and analysis of single phase diode rectifier circuits. 
• To explain different power transistors, their steady state and switching characteristics and limitations.
• To explain different types of Thyristors, their gate characteristics and gate control requirements. 
• To explain the design, analysis techniques, performance parameters and characteristics of controlled rectifiers, DC- DC, DC -AC converters and Voltage controllers. 

Module-1 

Introduction: Applications of Power Electronics, Types of Power Electronic Circuits, Peripheral Effects, Characteristics and Specifications of Switches. 
Power Diodes: Introduction, Diode Characteristics, Reverse Recovery Characteristics, Power Diode Types, Silicon Carbide Diodes, Silicon Carbide Schottky Diodes, Diode Switched RL Load, Freewheeling Diodes with Switched RL Load. 
Diode Rectifiers:Introduction, Single-Phase Full-Wave Rectifiers, Single-Phase Full-Wave Rectifier with RL Load, Single-Phase Full-Wave Rectifier with a Highly Inductive Load. 10 HOURS
Revised Bloom’s Taxonomy Level 
L1 – Remembering,L2 – Understanding,L3 – Applying,L4 – Analysing 

Module-2

Power Transistors: Introduction, Power MOSFETs – Steady State Characteristics, Switching Characteristics Bipolar Junction Transistors – Steady State Characteristics, Switching Characteristics, Switching Limits, IGBTs, MOSFET Gate Drive, BJT Base Drive, Isolation of  Gate and Base Drives,  Pulse transformers and Opto-couplers. 10 HOURS
Revised Bloom’s Taxonomy Level 
L1 – Remembering,L2 – Understanding,L3 – Applying,L4 – Analysing 

Module-3

Thyristors: Introduction, Thyristor Characteristics, Two-Transistor Model of Thyristor, Thyristor Turn- On, Thyristor Turn-Off, A brief study on Thyristor Types, Series Operation of Thyristors, Parallel Operation of Thyristors, di/dtProtection, dv/dtProtection, DIACs, Thyristor Firing Circuits, Unijunction Transistor.10 HOURS
Revised Bloom’s Taxonomy Level 
L1 – Remembering,L2 – Understanding,L3 – Applying,L4 – Analysing 

Module-4 

Controlled Rectifiers: Introduction, Single-Phase Full Converters, Single-Phase Dual Converters, Three- Phase Full Converters, Three-Phase Dual Converters, 
AC Voltage Controllers: Introduction, Single-Phase Full-Wave Controllers with Resistive Loads, Single- Phase Full-Wave Controllers with Inductive Loads, Three-Phase Full-Wave Controllers. 10 HOURS
Revised Bloom’s Taxonomy Level 
L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing.  

Module-5  

Teaching Hours DC-DC Converters: Introduction, principle of step down and step up chopper with RL load, performance parameters, DC-DC converter classification. 
DC-AC converters: Introduction, principle of operation single phase bridge inverters, three phase bridge inverters, voltage control of single phase inverters, Harmonic reductions,Current source inverters. 10 HOURS

Revised Bloom’s Taxonomy Level 
L1 – Remembering, L2 – Understanding, L3 – Applying, L4 – Analysing. 

Course outcomes: 
At the end of the course the student will be able to: 

• Explain application area of power electronics, types of power electronic circuits and switches their characteristics and specifications. 
• Explain types of power diodes, their characteristics, and the effects of power diodes on RL circuits. Explain the techniques for design, operation and analysis of single phase diode rectifier circuits. 
• Explain steady state, switching characteristics and gate control requirements of different power transistors and their limitations.
• Discuss different types of Thyristors, their operation, gate characteristics and gate control requirements. 
• Explain designing, analysis techniques and characteristics of thyristor controlled rectifiers. 
• Discuss the principle of operation of single phase and three phase DC - DC, DC –AC converters and AC voltage controllers

Graduate Attributes (As per NBA) 
Engineering Knowledge, Problem analysis. 

Question paper pattern: 

• The question paper will have ten questions. 
• Each full question is for 16 marks.
• There will be 2full questions (with a maximum of four sub questions in one full question) from each      module. 
• Each full question with sub questions will cover the contents under a module. 
• Students will have to answer 5 full questions, selecting one full question from each module. 

Textbook 
1 Power Electronics: Circuits Devices and Applications Mohammad H Rashid, Pearson 4th Edition, 2014 

Reference Books 
1 Power Electronics: Converters, Applications and Design Ned Mohan et al Wiley 3rd Edition, 2014 
2 Power Electronics Daniel W Hart McGraw Hill 1st Edition, 2011 
3 Elements of Power Electronics Philip T Krein Oxford Indian Edition, 2008

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