Transients of Modern Power Electronics

by Bai, Hua; Mi, Chris

• ISBN13: 9780470686645
• ISBN10: 0470686642
• Edition: 1st
• Format: Hardcover
• Copyright: 2011-08-15
• Publisher: Wiley

Summary

Business professionals that struggle to understand key concepts in economics and how they are applied in the field rely on Microeconomics. The fourth edition makes the material accessible while helping them build their problem-solving skills. It includes numerous new practice problems and exercises that arm them with a deeper understanding. Learning by Doing exercises explore the theories while boosting overall math skills. Graphs are included throughout the mathematical discussions to reinforce the material. In addition, the balanced approach of rigorous economics gives business professionals a more practical resource.

Author Biography

Hua Bai, University of Michigan-Dearborn, USA
Dr Hua Bai received B.S. and Ph.D degrees in Electrical Engineering from Tsinghua University, Beijing, China in 2002 and 2007, respectively. He joined the University of Michigan-Dearborn in September 2007 as a post-doctoral researcher. His research interests are the short-timescale pulsed power phenomena of power electronic devices in three-level NPC high voltage and high power inverter, and integrated design of high voltage and high power bidirectional DC-DC converters.

Chris Mi, University of Michigan-Dearborn, USA
Dr. Chris Mi is Associate Professor of Electrical and Computer Engineering at the University of Michigan, Dearborn. Dr. Mi holds a BS and an MS degree from Northwestern Polytechnical University, Xi'an, China, and a Ph.D degree from the University of Toronto, Toronto, Canada. Dr. Mi is the recipient of the "National Innovation Award," "Government Special Allowance" given by the Chinese Central Government, the "Distinguished Teaching Award" of University of Michigan Dearborn. He is also a recipient of the 2007 IEEE Region 4 "Outstanding Engineer Award," 2007 "IEEE Southeastern Michigan Section Outstanding Professional Award," and 2007 SAE "Environmental Excellence in Transportation Award." Dr. Mi is the General Chair of IEEE Vehicle Power and Propulsion Conference 09.

Table of Contents

About the Authors	p. ix
Preface	p. xi
Power electronic devices, circuits, topology, and control	p. 1
Power electronics	p. 1
The evolution of power device technology	p. 3
Power electronic circuit topology	p. 4
Switching	p. 5
Basic switching cell	p. 6
Circuit topology of power electronics	p. 6
Pulse-width modulation control	p. 9
Typical power electronic converters and their applications	p. 15
Transient processes in power electronics and book organization	p. 16
References	p. 17
Macroscopic and microscopic factors in power electronic systems	p. 19
Introduction	p. 19
Microelectronics vs. power electronics	p. 21
Understanding semiconductor physics	p. 22
Evaluation of semiconductors	p. 23
State of the art of research in short-timescale transients	p. 27
Pulse definition	p. 28
Pulsed energy and pulsed power	p. 30
Typical influential factors and transient processes	p. 35
Failure mechanisms	p. 35
Different parts of the main circuit	p. 38
Control modules and power system interacting with each other	p. 40
Methods to study the short-timescale transients	p. 41
Summary	p. 42
References	p. 43
Power semiconductor devices, integrated power circuits, and their short-timescale transients	p. 47
Major characteristics of semiconductors	p. 47
Modeling methods of semiconductors	p. 48
Hybrid model of a diode	p. 49
IGBT	p. 49
IGCT	p. 52
Silicon carbide junction field effect transistor	p. 54
System-level SOA	p. 58
Case 1: System-level SOA of a three-level DC-AC inverter	p. 59
Case 2: System-level SOA of a bidirectional DC-DC converter	p. 59
Case 3: System-level SOA of an EV battery charger	p. 60
Soft-switching control and its application in high-power converters	p. 65
Case 4: ZCS in dual-phase-shift control	p. 65
Case 5: Soft-switching vs. hard-switching control in the EV charger	p. 67
References	p. 68
Power electronics in electric and hybrid vehicles	p. 71
Introduction of electric and hybrid vehicles	p. 71
Power electronics in HEVs	p. 72
Power electronics in HEVs	p. 73
Rectifiers used in HEVs	p. 74
Buck converter used in HEVs	p. 79
Non-isolated bidirectional DC-DC converter	p. 81
Control of AC induction motors	p. 87
Battery chargers for EVs and PHEVs	p. 93
Unidirectional charges	p. 95
Inductive charger	p. 106
Wireless charger	p. 110
Optimization of a PHEV battery charger	p. 112
Bidirectional charger and control	p. 116
Reference	p. 126
Power electronics in alternative energy and advanced power systems	p. 129
Typical alternative energy systems	p. 129
Transients in alternative energy systems	p. 130
Dynamic process 1: MPPT control in the solar energy system	p. 130
Dynamic processes in the grid-tied system	p. 133
Wind energy systems	p. 138
Power electronics, alternative energy, and future micro-grid systems	p. 141
Dynamic process in the multi-source system	p. 145
Speciality of control and analyzing methods in alternative energy systems	p. 149
Application of power electronics in advanced electric power systems	p. 150
SVC and STATCOM	p. 151
SMES	p. 153
References	p. 155
Power electronics in battery management systems	p. 157
Application of power electronics in rechargeable batteries	p. 157
Battery charge management	p. 158
Pulsed charging	p. 158
Reflex fast charging	p. 159
Current variable intermittent charging	p. 160
Voltage variable intermittent charging	p. 161
Advanced intermittent charging	p. 162
Practical charging schemes	p. 162
Cell balancing	p. 166
Applying an additional equalizing charge phase to the whole battery string	p. 167
Method of current shunting - dissipative equalization	p. 169
Method of switched reactors	p. 170
Method of flying capacitors	p. 171
Inductive (multi-winding transformer) balancing	p. 172
ASIC-based charge balancing	p. 172
DC-DC converter-based balancing	p. 173
SOA of battery power electronics	p. 175
Enhanced system-level SOA considering the battery impedance and temperature	p. 175
Interaction with other devices at different temperatures	p. 177
References	p. 180
Dead-band effect and minimum pulse width	p. 183
Dead-band effect in DC-AC inverters	p. 184
Dead-band effect	p. 186
Dead-band effect in DC-DC converters	p. 189
Phase shift-based dual active bridge bibirectional DC-DC converter	p. 189
Dead-band effect in DAB bidirectional DC-DC converter	p. 193
Control strategy for the dead-band compensation	p. 199
Minimum Pulse Width (MPW)	p. 204
Setting the MPW	p. 209
Summary	p. 211
References	p. 212
Modulated error in power electronic systems	p. 215
Modulated error between information flow and power flow	p. 215
Modulated error in switching power semiconductors	p. 217
Voltage-balanced circuit for series-connected semiconductors	p. 217
Accompanied short-timescale transients	p. 221
Modulated error in the DC-AC inverter	p. 231
Modulated error in the DC-DC converter	p. 234
Summary	p. 246
References	p. 246
Future trends of power electronics	p. 249
New materials and devices	p. 249
Topology, systems, and applications	p. 255
Passive components	p. 259
Power electronics packaging	p. 260
Power line communication	p. 262
Transients in future power electronics	p. 265
References	p. 266
Index	p. 269
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