About the Author xi
Preface xiii
1 Introduction 1
1.1 Design Methodology 1
1.2 Fundamentals: Mathematics and Control 9
1.3 Electrical Components 27
1.4 Linear and PWM Methods 37
Part I DC Power Conversion 47
Part I-A DC/DC Converter 49
2 Buck Converter 51
2.1 State-Averaged Equations and Transfer Functions 51
2.2 Controller Design 61
3 Boost Converter 83
3.1 State-Averaged Equations and Transfer Function 83
3.2 Controller Design 93
4 Bi-Directional Converter 107
4.1 Structure and Operation 107
4.2 Controller Design 110
5 Three-Level Boost Converter 117
5.1 Structure and Operation 117
5.2 State-Space Averaged Equation and Transfer Function 120
5.3 Controller Design 127
Part I-B Solar Converter 139
6 Solar System 141
6.1 Understanding Solar Cells 141
6.2 Characteristics of Solar Systems 149
7 Solar Boost Converter 167
7.1 State-Space Averaged Equation and Transfer Function 167
7.2 Controller Design 170
8 Solar Buck Converter 187
8.1 State-Space Averaged Equation and Transfer Function 187
8.2 Controller Design 190Contents vii
9 Solar Three-Level Boost Converter 199
9.1 Controller Design 200
Part I-C Motor 203
10 DC Motor 205
10.1 Motor Parameters 205
10.2 Uni-Polar Driving (Uni-Direction Drive) 210
10.3 Bi-Polar Driving (Bi-Directional Drive) 222
Part II AC Power Conversion Systems 233
11 Single-Phase Inverter 235
11.1 Circuit Representation Methods for Inverter Systems 235
11.2 State-Space Averaged Equations and Transfer Functions 241
11.3 Controller Design 245
12 Three-Phase Inverter 269
12.1 State-Space Averaged Equations for a Stand-Alone System 269
12.2 DQ Transformation 278
12.3 Controller Design 299
12.4 Space Vector Pulse Width Modulation 328
13 Solar PCS 331
13.1 Single-Phase Solar PCS 331
13.2 Three-Phase Solar PCS Design 340
14 Single-Phase DQ Inverter 351
14.1 APF (All Pass Filter) 352
14.2 Controller Design 357
15 PLL (Phase-Locked Loop) 375
15.1 Single-Phase PLL 376
15.2 Three-Phase PLL 382
16 Two-Stage Grid-Tied System 385
16.1 Solar Boost PCS 385
16.2 Two-Stage Energy Storage System (ESS) 389
16.3 Solar Energy Storage System (Solar ESS) 394
17 Frequency Analysis 403
17.1 Frequency Analysis Method 403
17.2 Buck Converter Frequency Analysis 406
17.3 Three-Phase Inverter Frequency Analysis 412
18 Neutral-Point Clamped (NPC) 413
18.1 NPC Operation 413
18.2 Diode Clamped NPC 417
18.3 T-Type NPC Inverter 431
18.4 Solar NPC Inverter 433
19 Permanent Magnet Synchronous Motor 439
19.1 Motor Parameters 440
19.2 State-Space Averaged Equation and Controller Design 451
19.3 MTPA 463
19.4 Field Weakening Control 470
20 Induction Motor 485
20.1 d-q Dynamic Equation for IFOC 486
20.2 Double-Loop Controller Design 490
Part III Special Session 499
21 Phase-Shift Full Bridge Converter 501
21.1 Operation of the PSFB Converter 502
21.2 Controller Design 505
22 Dual Active Bridge Converter 511
22.1 Basic Operating Principle 513
22.2 Modeling and Controller Design 514
23 LLC Resonant Converter 521
23.1 Basic Operation of the LLC Resonant Converter 521
23.2 Small-Signal Modeling 525
23.3 Voltage Controller Design (Single Loop) 530
24 Discontinuous Current Mode 535
24.1 Operation of the DCM in Buck Converter 535
24.2 State-Space Averaged Equation and Transfer Function 537
24.3 Voltage Controller Design (Single Loop) 540
25 Modular Multilevel Converter 545
25.1 Modular Multilevel Converter (MMC) 546
25.2 Controller Design 548
Concluding Remarks 555
Index 557