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ECE 469 Power Electronics Laboratory LABORATORY ... · PDF file Power Electronics Laboratory Manual -- Introductory Material v Safety The Power Electronics Laboratory deals with power

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  • ECE 469 — Power Electronics Laboratory

    LABORATORY INFORMATION AND GUIDE

    with

    Chapter 18 of ELEMENTS OF POWER ELECTRONICS

    Prof. P. T. Krein

    Department of Electrical and Computer Engineering

    University of Illinois

    Urbana, Illinois

    Version 2.5 — August 2012

    Copyright © 1988-2012 Philip T. Krein. All rights reserved.

  • Power Electronics Laboratory Manual -- Introductory Material

    i

    Contents

    Introductory Material ....................................................................................................................................... iii

    Preface and Acknowledgements ...................................................................................................................... iii

    Expected Schedule ........................................................................................................................................... iii

    Introduction ...................................................................................................................................................... iv

    Safety ................................................................................................................................................................. v

    Equipment and Lab Orientation ..................................................................................................................... vii

    Introduction ................................................................................................................................................. vii

    Map of the Facility and Electrical Panels .................................................................................................... vii

    The Lab Workbenches .................................................................................................................................. x

    Course Organization and Requirements ........................................................................................................ xiii

    The Lab Notebook .......................................................................................................................................... xiv

    The Lab Report .............................................................................................................................................. xvi

    The Title Page ............................................................................................................................................ xvi

    Abstract ...................................................................................................................................................... xvi

    Conclusion ............................................................................................................................................... xviii

    References ................................................................................................................................................ xviii

    Appendix .................................................................................................................................................. xviii

    DEMONSTRATION #1 — Introduction to the Laboratory .......................................................................... 1

    EXPERIMENT #1 — Basic Rectifier Circuits .............................................................................................. 11

    EXPERIMENT #2 — Ac-Dc Conversion, Part I: Single-Phase Conversion .............................................. 21

    EXPERIMENT #3 — Ac-Dc Conversion, Part II: Polyphase Conversion ................................................. 29

    EXPERIMENT #4 — Dc-Dc Conversion, Part I: One-Quadrant Converters ........................................... 35

    EXPERIMENT #5 — Dc-Dc Conversion, Part II: Converters for Motor Drives ...................................... 43

  • Power Electronics Laboratory Manual -- Introductory Material

    ii

    EXPERIMENT #6 — Dc-Ac Conversion, Part I: Voltage-Sourced Inverters ........................................... 53

    EXPERIMENT #7 — Dc-Ac Conversion, Part II: Pulse Width Modulation Inverters ............................ 61

    EXPERIMENT #8 — Passive Components, Part I: Models for Real Capacitors and Inductors ............. 67

    EXPERIMENT #9 — Passive Components, Part II: Magnetics ................................................................. 77

    Design Project — Part I ................................................................................................................................... 83

    Design Project — Part II .................................................................................................................................. 91

    Summary Specification Sheets for Parts ....................................................................................................... 100

    Design Project — Part III .............................................................................................................................. 105

    APPENDICIES ............................................................................................................................................... 112

    Standard Resistor Values .............................................................................................................................. 112

    Common Waveforms ..................................................................................................................................... 114

    Index ................................................................................................................................................................ 115

    CHAPTER 18 — The Special Needs of Converter Experiments ……………………………………………18-2

  • Power Electronics Laboratory Manual -- Introductory Material

    iii

    Introductory Material

    Preface and Acknowledgements

    Power electronics studies the application of semiconductor devices to the conversion and control of electrical

    energy. The field is driving an era of rapid change in all aspects of electrical energy. The Power Electronics

    Laboratory course — one of very few offered at the undergraduate level in the United States — seeks to

    enhance general material with practice and hands-on experience. The laboratory course provides instruction in

    general lab practices, measurement methods, and with the design and operation of several common circuits

    relevant to the field of power electronics. It also provides experience with common components such as

    motors, batteries, magnetic devices, and power semiconductors. The course has a significant design

    component. The final weeks of the term are devoted to a power converter design project.

    The equipment and instrumentation for ECE 469 were updated substantially in 2006, with additional updates

    in 2008. A bench reconfiguration project has been carried out in 2011. The building electrical system was

    completely rebuilt in 2010. Many people have helped in a wide variety of ways in the past, and their efforts are

    appreciated. The 2006 project owes a great deal to Z. Sorchini and J. Kimball, and special thanks go to them.

    Updates by R. Balog have been of great value. The generous support of The Grainger Foundation has been

    instrumental in developing and improving the laboratory. The efforts of the ECE Electronics Shop and the

    ECE Machine Shop in preparing the benches and equipment is gratefully acknowledged.

    Student feedback is encouraged throughout the semester. Your input will help make the course more

    interesting and enjoyable, and will increase its value over time. Comments are always appreciated.

    Experiments and other work can and will be modified quickly if the need arises. The course is designed as an

    advanced laboratory, primarily for seniors and graduate students. You will find that procedural details are up to

    the student teams. The requirements for lab reports and procedures reflect the standards of a productive

    industrial research and development lab more than the relatively routine work in beginning courses.

    Expected Schedule

    The schedule will be provided during the first week of classes.

  • Power Electronics Laboratory Manual -- Introductory Material

    iv

    Introduction

    Power electronics is a broad area. Experts in the field find a need for knowledge in advanced circuit theory,

    electric power equipment, electromagnetic design, radiation, semiconductor physics and processing, analog

    and digital circuit design, control systems, and a tremendous range of sub-areas. Major applications addressed

    by power electronics include:

    · Energy conversion for solar, wind, fuel cell, and other alternative resources.

    · Advanced high-power low-voltage power supplies for computers and integrated electronics.

    · Efficient low-power supplies for networks and portable products.

    · Hardware to implement intelligent electricity grids, at all levels.

    · Power conversion needs and power controllers for aircraft, spacecraft, and marine use.

    · Electronic controllers for motor drives and other ind