InhaltsangabeAbout the Authors ix Preface xi 1 Power electronic devices, circuits, topology, and control 1 1.1 Power electronics 1 1.2 The evolution of power device technology 3 1.3 Power electronic circuit topology 4 1.3.1 Switching 5 1.3.2 Basic switching cell 6 1.3.3 Circuit topology of power electronics 6 1.4 Pulsewidth modulation control 9 1.5 Typical power electronic converters and their applications 15 1.6 Transient processes in power electronics and book organization 16 References 17 2 Macroscopic and microscopic factors in power electronic systems 19 2.1 Introduction 19 2.2 Microelectronics vs. power electronics 21 2.2.1 Understanding semiconductor physics 22 2.2.2 Evaluation of semiconductors 23 2.3 State of the art of research in short-timescale transients 27 2.3.1 Pulse definition 28 2.3.2 Pulsed energy and pulsed power 30 2.4 Typical influential factors and transient processes 35 2.4.1 Failure mechanisms 35 2.4.2 Different parts of the main circuit 38 2.4.3 Control modules and power system interacting with each other 40 2.5 Methods to study the short-timescale transients 41 2.6 Summary 42 References 43 3 Power semiconductor devices, integrated power circuits, and their short-timescale transients 47 3.1 Major characteristics of semiconductors 47 3.2 Modeling methods of semiconductors 48 3.2.1 Hybrid model of a diode 49 3.3 IGBT 49 3.4 IGCT 52 3.5 Silicon carbide junction field effect transistor 54 3.6 Systemlevel SOA 58 3.6.1 Case 1: System-level SOA of a three-level DC-AC inverter 59 3.6.2 Case 2: System-level SOA of a bidirectional DC-DC converter 59 3.6.3 Case 3: System-level SOA of an EV battery charger 60 3.7 Softswitching control and its application in highpower converters 65 3.7.1 Case 4: ZCS in dual-phase-shift control 65 3.7.2 Case 5: Soft-switching vs. hard-switching control in the EV charger 67 References 68 4 Power electronics in electric and hybrid vehicles 71 4.1 Introduction of electric and hybrid vehicles 71 4.2 Architecture and control of HEVs 72 4.3 Power electronics in HEVs 73 4.3.1 Rectifiers used in HEVs 74 4.3.2 Buck converter used in HEVs 79 4.3.3 Nonisolated bidirectional DCDC converter 81 4.3.4 Control of AC induction motors 87 4.4 Battery chargers for EVs and PHEVs 93 4.4.1 Unidirectional chargers 95 4.4.2 Inductive charger 106 4.4.3 Wireless charger 110 4.4.4 Optimization of a PHEV battery charger 112 4.4.5 Bidirectional charger and control 116 References 126 5 Power electronics in alternative energy and advanced power systems 129 5.1 Typical alternative energy systems 129 5.2 Transients in alternative energy systems 130 5.2.1 Dynamic process 1: MPPT control in the solar energy system 130 5.2.2 Dynamic processes in the grid-tied system 133 5.2.3 Wind energy systems 138 5.3 Power electronics, alternative energy, and future micro-grid systems 141 5.4 Dynamic process in the multi-source system 145 5.5 Speciality of control and analyzing methods in alternative energy systems 149 5.6 Application of power electronics in advanced electric power systems 150 5.6.1 SVC and STATCOM 151 5.6.2 SMES 153 References 155 6 Power electronics in battery management systems 157 6.1 Application of power electronics in rechargeable batteries 157 6.2 Battery charge management 158 6.2.1 Pulsed charging 158 6.2.2 Reflex fast charging 159 6.2.3 Current variable intermittent charging 160 6.2.4 Voltage variable intermittent charging 161 6.2.5 Advanced intermittent charging 162 6.2.6 Practical charging schemes 162 6.3 Cell balancing 166 6.3.1 Applying an additional equalizing charge phase to the whole battery string 167 6.3.2 Method of current shunting - dissipative equalization 169 6.3.3 Method of switched reactors 170 6.3.4 Method of flying capacitors 171 6.3.5 Inductive (

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About the authors Preface 1. Power Electronic Device, Circuit, Topology, and Control 1.1 Power Electronics 1.2 The Evolution of Power Device Technology 1.3 Power Electronic Circuit Topology 1.4 PWM Control 1.5 Typical Power Electronic Converters and Their Applications 1.6 Transient Processes in Power Electronics and Book Organization References 2. Macroscopic and Microscopic Factors in Power Electronic System 2.1 Introduction 2.2 Microelectronics vs. Power Electronics 2.3 State-of-the-Art Of Research in Short-Timescale Transients 2.4 Typical Influential Factors and Transient Processes 2.5 Methods to Study the Short-Timescale Transients 2.6 Summary References 3. Power Semiconductor Devices, Integrated Power Circuits, and Their Short Time Scale Transients 3.1 Major Characteristics of Semiconductors 3.2 Modeling Methods of Semiconductors 3.3 IGBT 3.4 IGCT 3.5 Silicon Carbide JFET 3.6 System-Level SOA 3.7 Soft-Switching Control and Its Application in High Power Converters References 4. Power Electronics in Electric and Hybrid Vehicles 4.1 Introduction to Electric and Hybrid Vehicles 4.2 Architecture and Control of Hybrid Electric Vehicles 4.3 Power Electronics In HEVs 4.4 Battery Chargers For EV And PPEV References 5. Power Electronics in Alternative Energy and Advanced Power Systems 5.1 Typical Alternative Energy Systems 5.2 Transients in Alternative Energy Systems 5.3 Power Electronics, Alternative Energy and Future Micro-Grid Systems 5.4 Dynamic Process in the Multi-Source System 5.5 Specialty of Control and Analyzing Methods in Alternative Energy Systems 5.6 Application of Power Electronics in Electric Power System References 6. Power Electronics in Battery Management Systems 6.1 Application of Power Electronics in Rechargeable Batteries 6.2 Battery Charge Management 6.3 Cell Balancing 6.4 Safe Operating Area of Battery Power Electronics References 7. Dead-band Effect and Minimum Pulse Width 7.1 Dead-Band Effect in DC-AC Inverters 7.2 Dead-Band Effect in DC-DC Converter 7.3 Control Strategy for Dead-Band Compensation 7.4 Minimum Pulse Width 7.5 Summary 8. Modulated Error in Power Electronic System 8.1 Modulated Error Between Information Flow and Power Flow 8.2 Modulated Error in Switching Power Semiconductors 8.3 Modulated Error in DC-AC Inverter 8.4 Modulated Error in The DC-DC Converter 8.5 Summary 9. Future Trends 10. Index