Elements of

Power Electronics



Part V: Laboratory Material



Chapters 18 and 19


Philip T. Krein

University of Illinois at Urbana-Champaign



©1998 Philip T. Krein. All rights reserved.


Contents

 

PART I: PRINCIPLES

CHAPTER 1 -- BACKGROUND

CHAPTER 2 -- ORGANIZING AND ANALYZING SWITCHES

CHAPTER 3 -- CONVERTER CONCEPTS

 

PART II: CONVERTERS AND APPLICATIONS

CHAPTER 4 -- DC-DC CONVERTERS

CHAPTER 5 -- DIODE-CAPACITOR CIRCUITS AND RECTIFIERS

CHAPTER 6 -- INVERTERS

CHAPTER 7 -- AC-AC CONVERTERS

CHAPTER 8 -- INTRODUCTION TO RESONANCE IN CONVERTERS

CHAPTER 9 -- DISCONTINUOUS MODES

 

PART III: REAL COMPONENTS AND THEIR EFFECTS

CHAPTER 10 -- REAL SOURCES AND LOADS

CHAPTER 11 -- CAPACITORS AND RESISTORS

CHAPTER 12 -- MAGNETICS CONCEPTS FOR POWER ELECTRONICS

CHAPTER 13 -- POWER SEMICONDUCTORS IN CONVERTERS

CHAPTER 14 -- INTERFACING WITH POWER SEMICONDUCTORS

 

PART IV: CONTROL ASPECTS

CHAPTER 15 -- OVERVIEW OF FEEDBACK CONTROL FOR CONVERTERS

CHAPTER 16 -- APPROXIMATE METHODS FOR CONTROL DESIGN

CHAPTER 17 -- GEOMETRIC CONTROL


PART V: LABORATORY MATERIAL

Laboratory material is provided for the convenience of the reader in helping to guide further study. Non-profit education use of this material is permitted without fee, provided that proper credit is given and a copyright notice is included. Power electronics laboratory work carries hazards beyond those in conventional electronics experiments. The author cannot assume any liability. Safe laboratory work requires safety glasses, fire safety equipment, electrical shock protection, and additional precautions.

 

(Page numbers are based on the PDF version as originally stored.)

 

CHAPTER 18 -- THE SPECIAL NEEDS OF CONVERTER EXPERIMENTS 18-1

18.1 Introduction                                                                                  18-2

18.2 Root-mean-square and average metering                                      18-2

18.3 Power and current measurements                                                18-7

18.4 Low-voltage polyphase power                                                    18-9

18.5 A suggested tool for rectifier experiments                                  18-11

18.6 A suggested tool for inverter and dc-dc converter experiments 18-15

18.7 Recap                                                                                          18-22

18.8 Problems                                                                                     18-23

18.9 References                                                                                   18-26



CHAPTER 19 -- A SEQUENCE OF POWER ELECTRONICS EXPERIMENTS 19-1

19.1 Introduction                                                                                                      19-1

        19.1.1 Overview                                                                                              19-1

        19.1.2 Safety information                                                                                 19-1

        19.1.3 Equipment assumptions                                                                         19-2

        19.1.4 Keeping a notebook                                                                              19-3

19.2 Experiment -- demonstration of special equipment                                          19-4

        19.2.1 Introduction                                                                                           19-4

        19.2.2 Demonstration circuits                                                                          19-4

        19.2.3 Procedure                                                                                             19-5

        19.2.4 Study questions                                                                                     19-8

19.3 Experiment -- basic rectifier circuits                                                              19-9

        19.3.1 Introduction                                                                                          19-9

        19.3.2 Basic theory                                                                                         19-9

        19.3.3 Measurement issues                                                                             19-11

        19.3.4 Procedure                                                                                             19-13

        19.3.5 Study questions                                                                                     19-15

19.4 Experiment -- single-phase rectifiers                                                              19-16

        19.4.1 Introduction                                                                                          19-16

        19.4.2 Basic theory                                                                                         19-16

        19.4.3 Procedure                                                                                             19-19

        19.4.4 Study questions                                                                                     19-20

19.5 Experiment -- polyphase rectifiers                                                                  19-20

        19.5.1 Introduction                                                                                          19-20

        19.5.2 Basic theory                                                                                         19-21

        19.5.3 Procedure                                                                                             19-23

        19.5.4 Study questions                                                                                     19-24

19.6 Experiment -- one-quadrant dc-dc conversion                                                19-24

        19.6.1 Introduction                                                                                          19-24

        19.6.2 Basic theory                                                                                         19-25

        19.6.3 Procedure                                                                                            19-26

        19.6.4 Study questions                                                                                    19-28

19.7 Dc-dc converters for motor drives                                                                  19-28

        19.7.1 Introduction                                                                                          19-28

        19.7.2 Basic theory                                                                                         19-29

        19.7.3 Procedure                                                                                             19-32

        19.7.4 Study questions                                                                                     19-35

19.8 Dc-ac conversion -- voltage-sourced inverters                                               19-35

        19.8.1 Introduction                                                                                          19-35

        19.8.2 Basic theory                                                                                         19-36

        19.8.3 Procedure                                                                                             19-39

        19.8.4 Study questions                                                                                     19-40

19.9 Experiment -- PWM inverters                                                                          19-41

        19.9.1 Introduction                                                                                           19-41

        19.9.2 Basic theory                                                                                          19-42

        19.9.3 Procedure                                                                                             19-43

        19.9.4 Study questions                                                                                     19-44

19.10 Ac-ac conversion                                                                                          19-45

        19.10.1 Introduction                                                                                        19-45

        19.10.2 Realizing the bilateral switch                                                             19-46

        19.10.3 Basic theory                                                                                        19-47

        19.10.4 Procedure                                                                                            19-47

        19.10.5 Study questions                                                                                   19-48

19.11 Frequency characteristics of passive components                                          19-48

        19.11.1 Introduction                                                                                         19-48

        19.11.2 Basic theory, capacitors                                                                      19-48

        19.11.3 Basic theory, inductors                                                                        19-50

        19.11.4 Basic theory, resistors                                                                         19-51

        19.11.5 Procedure                                                                                            19-52

        19.11.6 Study questions                                                                                   19-53

19.12 Magnetics                                                                                                       19-54

        19.12.1 Introduction                                                                                         19-54

        19.12.2 Basic theory                                                                                        19-55

        19.12.3 Procedure                                                                                            19-56

        19.12.4 Study questions                                                                                    19-57    

19.13 Converter design project                                                                                19-57

        19.13.1 Introduction                                                                                         19-57

        19.13.2 Refining the models                                                                             19-58

        19.13.3 Procedure, part I                                                                                  19-59

        19.13.4 Study questions, part I                                                                          19-60

        19.13.5 Gate drive implementation                                                                   19-60

        19.13.6 Basic theory -- gate and base drive                                                      19-61

        19.13.7 Basic theory -- snubbers                                                                       19-64

        19.13.8 Procedure, part II                                                                                  19-59

        19.13.9 Study questions, part II                                                                          19-60

        19.13.10 Thermal performance and feedback control -- introduction                19-67

        19.13.11 Basic theory -- converter control                                                        19-68

        19.13.12 Basic theory -- thermal effects                                                            19-69

        19.13.13 Procedure, part III                                                                               19-70

        19.13.14 Study questions, part III                                                                       19-72

                Converter specification sets                                                                       19-72

                Summary specification sheets for parts                                                      19-74

19.14 References 19-78


APPENDIX

INDEX