Name of chapter & details

Size: px

Start display at page:

Download "Name of chapter & details"

Herbert Robbins
6 years ago
Views:

1 Course Title Course Code Power Electronics-I EL509 Lecture : 03 / 03 Course Credit / Hours Practical : 01 / 02 Tutorial : 00 / 00 Course Learning Outcomes Total : 04 / 05 At the end of the session student will be able to: Identify the importance of power electronics in industry. Recognize basic operation and application of various power semiconductor devices. Acquire basic understanding of various power converter modules used to build power electronics system. Analyze and design of rectifier circuit, inverter circuit, AC voltage controller circuit and cycloconverter. Acquire the ability to select and design suitable power converter modules/system in order to meet requirements of industrial applications. Develop hands-on experience in designing, testing, and debugging power electronics circuits. Detailed Syllabus Sr. No. 1 2 Name of chapter & details Section I Power semiconductor devices Power Diode: Structure, static V-I characteristics, Ratings, operation, switching characteristics, applications, Reverse Recovery. Power BJT: Structure, static V-I characteristics, Ratings, Maximum allowable ratings, operation as an amplifier and as a switch, switching characteristics, applications. Power MOSFET: Structure, static V-I characteristics, Ratings, Maximum allowable ratings, safe operating area, applications. GTO: Structure, Equivalent Circuit, V-I characteristics, Ratings, Maximum allowable ratings, applications. IGBT: Structure, static V-I characteristics, ratings, Maximum allowable ratings, Latch up, safe operating area, applications. Thyristor Introduction, Static V-I characteristics, Two Transistor model, Turn-on methods, Snubber circuit design, Thyristor types, Series and parallel operation of thyristors, Thyristor firing circuits(r and R-C triggering circuit), DIAC and Hours Allotted

2 3 TRIAC: characteristics and applications. AC to DC converters Single Phase controlled and uncontrolled Converters with R, RL and RLE load, Line Commutated Inverters, Three Phase uncontrolled and controlled converters, Effect of Source Inductance in Single Phase and Three Phase converters, Semi Converters, Performance Parameters of Single Phase Rectifiers, cosine firing angle control. 10 Total Section II DC to AC converters Voltage source inverters: Single Phase Half Bridge and Full Bridge Inverters, Three Phase Inverter: 180 degree and 120 degree conduction and their comparison. PWM Techniques: Square wave PWM, Sinusoidal PWM, modified PWM, multi PWM, Unipolar and Bipolar Switching Scheme. Current Source Inverters, Applications of voltage source and current source inverters. AC voltage controller Introduction, Principle of ON-OFF and phase control, Single-Phase bidirectional controllers with resistive and inductive loads, Three Phase full wave controllers, Cycloconverter, Single Phase Cycloconverter, Three Phase Cycloconverter. DC to DC converters: Introduction, Step-down Chopper, Step-up Chopper, classification of chopper: Type A, B, C, D and E, DC switched mode regulator: buck regulator, boost regulator and buck-boost regulator. 10 Instructional Method and Pedagogy Total 24 Lectures will be conducted with the aid of multi-media projector, black board, OHP etc. Assignments based on course content will be given to the students at the end of each unit/topic and will be evaluated at regular interval. Surprise tests/quizzes/seminar/tutorials will be conducted. The course includes a laboratory, where students have an opportunity to build an appreciation for the concepts being taught in lectures. Minimum ten experiments shall be there in the laboratory related to course contents.

3 Reference Books 1. M.H. Rashid Power Electronics 2 nd Edition, P.H.I. /Pearson 2. Ned Mohan, Tore M. Undeland Power electronics: converters, applications, and design John Wiley & Sons 3. P. S. Bimbra Power Electronics Khanna Publishers, third Edition M. D. Singh and Khanchandani K. B. Power Electronics T.M.H Reading Materials, web materials with full citations NPTEL Videos Lecture Series

4 List of Experiments Subject Code : EL509 Subject Name : Power Electronics Sr. Aim of experiment No 1 To examine V-I characteristic of SCR. To discuss the electronics circuits to generate square wave, triangular wave and saw tooth 2 wave. a) To analyze the full wave controlled bridge rectifier with R & RL load. b) To examine the firing circuit for controlled rectifier and record the wave form at different point. 3 d) To analyze the effect of firing angle variation. a) To perform the AC voltage controller. b) To develop the firing circuit and record the waveform at different point. 4 e) To analyze the waveform of load voltage, load current and voltage across switching 5 a) To discuss the single phase voltage source inverter b) To demonstrate the firing circuit of inverter and record the waveform at different point. c) To analyze the waveform of load voltage, load current and voltage across switching 6 To examine class B commutation circuit 7 To test class C commutation circuit 8 To demonstrate class D commutation circuit a) To demonstrate simulation of the control circuit and power circuit of single phase full wave bridge converter in MATLAB simulink environment. b) To analyze the waveform of control circuit at different point. a) To analyze simulation of the control circuit and power circuit of AC voltage controller. b) To discuss the waveform of control circuit at different point. a) To analyze simulation the control circuit and power circuit of Single phase inverter. b) To examine the waveform of control circuit at different point. c) To analyze the waveform of load voltage, load current and voltage across switching

5 a) To examine simulation the control circuit and power circuit of three phase converter. b) To analyze the waveform of control circuit at different point. c) To analyze the waveform of load voltage, load current and voltage across switching a) To develop the simulation model of the control circuit and power circuit of three phase inverter. b) To examine the waveform of control circuit at different point. To demonstrate the operation of a) Buck Regulator b) Boost Regulator c) Buck- Boost Regulator.

DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING

DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING Power Diode EE2301 POWER ELECTRONICS UNIT I POWER SEMICONDUCTOR DEVICES PART A 1. What is meant by fast recovery