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한빛아카데미
원서
판매중
책소개
POWER ELECTRONICS A FIRST COURSE
Enables students to understand power electronics systems, as one course, in an integrated electric energy systems curriculum
Power Electronics A First Course provides instruction on fundamental concepts related to power electronics to undergraduate electrical engineering students, beginning with an introductory chapter and moving on to discussing topics such as switching power-poles, switch-mode dc-dc converters, and feedback controllers.
The authors also cover diode rectifiers, power-factor-correction (PFC) circuits, and switch-mode dc power supplies. Later chapters touch on soft-switching in dc-dc power converters, voltage and current requirements imposed by various power applications, dc and low-frequency sinusoidal ac voltages, thyristor converters, and the utility applications of harnessing energy from renewable sources.
Power Electronics A First Course is the only textbook that is integrated with hardware experiments and simulation results. The simulation files are available on a website associated with this textbook. The hardware experiments will be available through a University of Minnesota startup at a low cost.
In Power Electronics A First Course, readers can expect to find detailed information on:
Availability of various power semiconductor devices that are essential in power electronic systems, plus their switching characteristics and various tradeoffsCommon foundational unit of various converters and their operation, plus fundamental concepts for feedback control, illustrated by means of regulated dc-dc convertersBasic concepts associated with magnetic circuits, to develop an understanding of inductors and transformers needed in power electronicsProblems associated with hard switching, and some of the practical circuits where this problem can be minimized with soft-switchingPower Electronics A First Course is an ideal textbook for Junior/Senior-Undergraduate students in Electrical and Computer Engineering (ECE). It is also valuable to students outside of ECE, such as those in more general engineering fields. Basic understanding of electrical engineering concepts and control systems is a prerequisite.
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저자소개
Mohan
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최근작
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List of Simulation and Hardware Implementation Example and Figures xiiiPreface xvAcknowledgment xviiAbout the Companion Website xix Chapter 1 Power Electronics: An Enabling Technology 11.1 Introduction to Power Electronics 11.2 Applications and the Role of Power Electronics 21.3 Energy and the Environment: Role of Power Electronics in Providing Sustainable Electric Energy 41.4 Need for High Efficiency and High Power Density 81.5 Structure of Power Electronics Interface 91.6 Voltage-Link-Structure 111.7 Recent Advances in Solid-State Devices Based on Wide Bandgap (WBG) Materials 161.8 Use of Simulation and Hardware Prototyping 16References 17Problems 18 Chapter 2 Design of Switching Power-poles 212.1 Power Transistors and Power Diodes 212.2 Selection of Power Transistors 222.3 Selection of Power Diodes 242.4 Switching Characteristics and Power Losses in Power Poles 252.5 Justifying Switches and Diodes as Ideal 302.6 Design Considerations 312.7 The PWM IC 342.8 Hardware Prototyping 35References 36Problems 36Appendix 2A Diode Reverse Recovery and Power Losses 37 Chapter 3 Switch-mode Dc-dc Converters: Switching Analysis, Topology Selection, and Design 413.1 DC-DC Converters 413.2 Switching Power-Pole in DC Steady State 413.3 Simplifying Assumptions 453.4 Common Operating Principles 463.5 Buck Converter Switching Analysis in DC Steady State 463.6 Boost Converter Switching Analysis in DC Steady State 513.7 Buck-Boost Converter Analysis in DC Steady State 573.8 Topology Selection 653.9 Worst-Case Design 663.10 Synchronous-Rectified Buck Converter for Very Low Output Voltages 663.11 Interleaving of Converters 713.12 Regulation of DC-DC Converters by PWM 713.13 Dynamic Average Representation of Converters in CCM 723.14 Bi-Directional Switching Power-Pole 743.15 Discontinuous-Conduction Mode (DCM) 75References 86Problems 86Appendix 3A Average Representation in Discontinuous- Conduction Mode (DCM) 92 Chapter 4 Designing Feedback Controllers in Switch-mode Dc Power Supplies 974.1 Introduction and Objectives of Feedback Control 974.2 Review of Linear Control Theory 984.3 Linearization of Various Transfer Function Blocks 1004.4 Feedback Controller Design in Voltage-Mode Control 1064.5 Peak-Current Mode Control 1134.6 Feedback Controller Design in DCM 123References 124Problems 124Appendix 4A Bode Plots of Transfer Functions with Poles and Zeros 125Appendix 4B Transfer Functions in Continuous Conduction Mode (CCM) 128Appendix 4C Derivation of Parameters of the Controller Transfer Functions 134 Chapter 5 Rectification of Utility Input Using Diode Rectifiers 139Rectifiers 1395.1 Introduction 1395.2 Distortion and Power Factor 1405.3 Classifying the “Front-End” of Power Electronic Systems 148Electronic Systems 1485.4 Diode-Rectifier Bridge “Front-End” 1485.5 Means to Avoid Transient Inrush Currents at Starting 1565.6 Front-Ends with Bi-Directional Power Flow 157References 157Problems 157 Chapter 6 Power-factor-correction (PFC) Circuits And Designing the Feedback Controller And Designing the Feedback Controller 1596.1 Introduction 1596.2 Operating Principle of Single-Phase PFCS 1596.3 Control of PFCS 1626.4 Designing the Inner Average-Current-Control Loop 1636.5 Designing the Outer Voltage-Control Loop 1656.6 Example of Single-Phase PFC Systems 1676.7 Simulation Results 1686.8 Feedforward of the Input Voltage 1696.9 Other Control Methods for PFCS 169References 170Problems 170Appendix 6A Proof that IˆS3/IˆL2 =1/2Appendix 6b Proof That V ̃d I ĩ L(s)=1 I 2 Vˆs/Vd R I 2/ 1+ s (R /2)C Chapter 7 Magnetic Circuit Concepts 1737.1 Ampere-Turns and Flux 1737.2 Inductance l 1747.3 Faraday’s Law: Induced Voltage in a Coil Due toTime-Rate of Change of Flux Linkage 1767.4 Leakage and Magnetizing Inductances 1777.5 Transformers 179Reference 182Problems 182 Chapter 8 Switch-mode Dc Power Supplies 1858.1 Applications of Switch-Mode DC Power Supplies 1858.2 Need for Electrical Isolation 1868.3 Classification of Transformer-Isolated DC-DC Converters 1868.4 Flyback Converters 1868.5 Forward Converters 1988.6 Full-Bridge Converters 2048.7 Half-Bridge and Push-Pull Converters 2098.8 Practical Considerations 209References 210Problems 211 Chapter 9 Design of High-frequency Inductors and Transformers 2159.1 Introduction 2159.2 Basics of Magnetic Design 2159.3 Inductor and Transformer Construction 2169.4 Area-Product Method 2169.5 Design Example of an Inductor 2199.6 Design Example of a Transformer for aForward Converter 2219.7 Thermal Considerations 221References 222Problems 222 Chapter 10 Soft-switching in Dc-dc Converters andHalf-bridge Resonant Converters 22310.1 Introduction 22310.2 Hard-Switching in Switching Power poles 22310.3 Soft-switching in Switching Power-Poles 22510.4 Half-Bridge Resonant Converter 228References 230Problems 230 Chapter 11 Applications of Switch-mode Power Electronics in Motor Drives, Uninterruptible Power Supplies, And Power Systems 23111.1 Introduction 23111.2 Electric Motor Drives 23111.3 Uninterruptible Power Supplies (UPS) 24411.4 Utility Applications of Switch-ModePower Electronics 244Reference 246Problems 246 Chapter 12 Synthesis of Dc and Low-frequency Sinusoidal Ac Voltages for Motor Drives, Ups, and Power Systems Applications 24912.1 Introduction 24912.2 Bidirectional Switching Power-Pole as the Building Block 25012.3 Converters for DC Motor Drives (−Vd12.4 Synthesis of Low-Frequency AC 26012.5 Single-Phase Inverters 26112.6 Three-Phase Inverters 26612.7 Multilevel Inverters 28012.8 Converters For Bidirectional Power Flow 28112.9 Matrix Converters (Direct Link System) 283References 284Problems 284 Chapter 13 Thyristor Converters 28713.1 Introduction 28713.2 Thyristors (SCRs) 28713.3 Single-phase, Phase-controlled Thyristor Converters 28913.4 Three-Phase, Full-Bridge Thyristor Converters 29413.5 Current-Link Systems 300Reference 301Problems 301 Chapter 14 Utility Applications of Power Electronics 30314.1 Introduction 30314.2 Power Semiconductor Devices and Their Capabilities 30414.3 Categorizing Power Electronic Systems 30514.4 Distributed Generation (DG) Applications 30614.5 Power Electronic Loads 31114.6 Power Quality Solutions 31214.7 Transmission and Distribution (T&D) Applications 313References 317Problems 317Index 319
List of Simulation and Hardware Implementation Example and Figures xiii
Preface xv
Acknowledgment xvii
About the Companion Website xix
Chapter 1 Power Electronics: An Enabling Technology 1
1.1 Introduction to Power Electronics 1
1.2 Applications and the Role of Power Electronics 2
1.3 Energy and the Environment: Role of Power Electronics in Providing Sustainable Electric Energy 4
1.4 Need for High Efficiency and High Power Density 8
1.5 Structure of Power Electronics Interface 9
1.6 Voltage-Link-Structure 11
1.7 Recent Advances in Solid-State Devices Based on Wide Bandgap (WBG) Materials 16
1.8 Use of Simulation and Hardware Prototyping 16
References 17
Problems 18
Chapter 2 Design of Switching Power-poles 21
2.1 Power Transistors and Power Diodes 21
2.2 Selection of Power Transistors 22
2.3 Selection of Power Diodes 24
2.4 Switching Characteristics and Power Losses in Power Poles 25
2.5 Justifying Switches and Diodes as Ideal 30
2.6 Design Considerations 31
2.7 The PWM IC 34
2.8 Hardware Prototyping 35
References 36
Problems 36
Appendix 2A Diode Reverse Recovery and Power Losses 37
Chapter 3 Switch-mode Dc-dc Converters: Switching Analysis, Topology Selection, and Design 41
3.1 DC-DC Converters 41
3.2 Switching Power-Pole in DC Steady State 41
3.3 Simplifying Assumptions 45
3.4 Common Operating Principles 46
3.5 Buck Converter Switching Analysis in DC Steady State 46
3.6 Boost Converter Switching Analysis in DC Steady State 51
3.7 Buck-Boost Converter Analysis in DC Steady State 57
3.8 Topology Selection 65
3.9 Worst-Case Design 66
3.10 Synchronous-Rectified Buck Converter for Very Low Output Voltages 66
3.11 Interleaving of Converters 71
3.12 Regulation of DC-DC Converters by PWM 71
3.13 Dynamic Average Representation of Converters in CCM 72
3.14 Bi-Directional Switching Power-Pole 74
3.15 Discontinuous-Conduction Mode (DCM) 75
References 86
Problems 86
Appendix 3A Average Representation in Discontinuous- Conduction Mode (DCM) 92
Chapter 4 Designing Feedback Controllers in Switch-mode Dc Power Supplies 97
4.1 Introduction and Objectives of Feedback Control 97
4.2 Review of Linear Control Theory 98
4.3 Linearization of Various Transfer Function Blocks 100
4.4 Feedback Controller Design in Voltage-Mode Control 106
4.5 Peak-Current Mode Control 113
4.6 Feedback Controller Design in DCM 123
References 124
Problems 124
Appendix 4A Bode Plots of Transfer Functions with Poles and Zeros 125
Appendix 4B Transfer Functions in Continuous Conduction Mode (CCM) 128
Appendix 4C Derivation of Parameters of the Controller Transfer Functions 134
Chapter 5 Rectification of Utility Input Using Diode Rectifiers 139
Rectifiers 139
5.1 Introduction 139
5.2 Distortion and Power Factor 140
5.3 Classifying the “Front-End” of Power Electronic Systems 148
Electronic Systems 148
5.4 Diode-Rectifier Bridge “Front-End” 148
5.5 Means to Avoid Transient Inrush Currents at Starting 156
5.6 Front-Ends with Bi-Directional Power Flow 157
References 157
Problems 157
Chapter 6 Power-factor-correction (PFC) Circuits And Designing the Feedback Controller And Designing the Feedback Controller 159
6.1 Introduction 159
6.2 Operating Principle of Single-Phase PFCS 159
6.3 Control of PFCS 162
6.4 Designing the Inner Average-Current-Control Loop 163
6.5 Designing the Outer Voltage-Control Loop 165
6.6 Example of Single-Phase PFC Systems 167
6.7 Simulation Results 168
6.8 Feedforward of the Input Voltage 169
6.9 Other Control Methods for PFCS 169
References 170
Problems 170
Appendix 6A Proof that IˆS3/IˆL2 =1/2
Appendix 6b Proof That V ̃d I ĩ L(s)=1 I 2 Vˆs/Vd R I 2/ 1+ s (R /2)C
Chapter 7 Magnetic Circuit Concepts 173
7.1 Ampere-Turns and Flux 173
7.2 Inductance l 174
7.3 Faraday’s Law: Induced Voltage in a Coil Due to
Time-Rate of Change of Flux Linkage 176
7.4 Leakage and Magnetizing Inductances 177
7.5 Transformers 179
Reference 182
Problems 182
Chapter 8 Switch-mode Dc Power Supplies 185
8.1 Applications of Switch-Mode DC Power Supplies 185
8.2 Need for Electrical Isolation 186
8.3 Classification of Transformer-Isolated DC-DC Converters 186
8.4 Flyback Converters 186
8.5 Forward Converters 198
8.6 Full-Bridge Converters 204
8.7 Half-Bridge and Push-Pull Converters 209
8.8 Practical Considerations 209
References 210
Problems 211
Chapter 9 Design of High-frequency Inductors and Transformers 215
9.1 Introduction 215
9.2 Basics of Magnetic Design 215
9.3 Inductor and Transformer Construction 216
9.4 Area-Product Method 216
9.5 Design Example of an Inductor 219
9.6 Design Example of a Transformer for a
Forward Converter 221
9.7 Thermal Considerations 221
References 222
Problems 222
Chapter 10 Soft-switching in Dc-dc Converters and
Half-bridge Resonant Converters 223
10.1 Introduction 223
10.2 Hard-Switching in Switching Power poles 223
10.3 Soft-switching in Switching Power-Poles 225
10.4 Half-Bridge Resonant Converter 228
References 230
Problems 230
Chapter 11 Applications of Switch-mode Power Electronics in Motor Drives, Uninterruptible Power Supplies, And Power Systems 231
11.1 Introduction 231
11.2 Electric Motor Drives 231
11.3 Uninterruptible Power Supplies (UPS) 244
11.4 Utility Applications of Switch-Mode
Power Electronics 244
Reference 246
Problems 246
Chapter 12 Synthesis of Dc and Low-frequency Sinusoidal Ac Voltages for Motor Drives, Ups, and Power Systems Applications 249
12.1 Introduction 249
12.2 Bidirectional Switching Power-Pole as the Building Block 250
12.3 Converters for DC Motor Drives (−Vd
12.4 Synthesis of Low-Frequency AC 260
12.5 Single-Phase Inverters 261
12.6 Three-Phase Inverters 266
12.7 Multilevel Inverters 280
12.8 Converters For Bidirectional Power Flow 281
12.9 Matrix Converters (Direct Link System) 283
References 284
Problems 284
Chapter 13 Thyristor Converters 287
13.1 Introduction 287
13.2 Thyristors (SCRs) 287
13.3 Single-phase, Phase-controlled Thyristor Converters 289
13.4 Three-Phase, Full-Bridge Thyristor Converters 294
13.5 Current-Link Systems 300
Reference 301
Problems 301
Chapter 14 Utility Applications of Power Electronics 303
14.1 Introduction 303
14.2 Power Semiconductor Devices and Their Capabilities 304
14.3 Categorizing Power Electronic Systems 305
14.4 Distributed Generation (DG) Applications 306
14.5 Power Electronic Loads 311
14.6 Power Quality Solutions 312
14.7 Transmission and Distribution (T&D) Applications 313
References 317
Problems 317
Index 319
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