Arindam Ghosh, Firuz Zare

Control of Power Electronic Converters with Microgrid Applications (eBook, ePUB)

• Format: ePub

Produktbeschreibung

Control of Power Electronic Converters with Microgrid Applications Discover a systematic approach to design controllers for power electronic converters and circuits In Control of Power Electronic Converters with Microgrid Applications, distinguished academics and authors Drs. Arindam Ghosh and Firuz Zare deliver a systematic exploration of design controllers for power electronic converters and circuits. The book offers readers the knowledge necessary to effectively design intelligent control mechanisms. It covers the theoretical requirements, like advanced control theories and the analysis and conditioning of AC signals as well as controller development and control. The authors provide readers with discussions of custom power devices, as well as both DC and AC microgrids. They also discuss the harmonic issues that are crucial in this area, as well as harmonic standardization. The book addresses a widespread lack of understanding in the control philosophy that can lead to a stable operation of converters, with a focus on the application of power electronics to power distribution systems. Readers will also benefit from the inclusion of: * A thorough introduction to controller design for different power electronic converter configurations in microgrid systems (both AC and DC) * A presentation of emerging technology in power distribution systems to integrate different renewable energy sources * Chapters on DC-DC converters and DC microgrids, as well as DC-AC converter modulation techniques and custom power devices, predictive control, and AC microgrids Perfect for manufacturers of power converters, microgrid developers and installers, as well as consultants who work in this area, Control of Power Electronic Converters with Microgrid Applications is also an indispensable reference for graduate students, senior undergraduate students, and researchers seeking a one-stop resource for the design of controllers for power electronic converters and circuits.

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Produktdetails

• Verlag: For Dummies
• Seitenzahl: 544
• Erscheinungstermin: 16. September 2022
• Englisch
• ISBN-13: 9781119815457
• Artikelnr.: 66253522

Autorenporträt

Arindam Ghosh, PhD, is a Research Academic Professor at Curtin University, Perth, Australia. He obtained his PhD from the University of Calgary, Canada. He was with the Indian Institute of Technology Kanpur from 1985 to 2006 and a Research Capacity Building Professor at Queensland University of Technology, Brisbane, Australia from 2006 to 2013. He was a Fulbright Scholar in 2003. He is a Fellow of the Indian National Academy of Engineering: INAE (2005) and a Fellow of the Institute of Electrical and Electronics Engineers: IEEE (2006). He was conferred the IEEE PES Nari Hingorani Custom Power Award in 2019. He has published over 450 peer reviewed journal and conference articles and has authored 2 books. Firuz Zare, PhD, is Head of the School of Electrical Engineering and Robotics, Queensland University of Technology, and an IEEE Fellow. He has over 20 years of experience in academia and industry and has published 250 peer-reviewed journal and conference papers.

Inhaltsangabe

Author Biographies xv

Preface xvii

Acknowledgments xxi

1 Introduction 1

1.1 Introduction to Power Electronics 4

1.2 Power Converter Modes of Operation 7

1.3 Power Converter Topologies 9

1.4 Harmonics and Filters 10

1.5 Power Converter Operating Conditions, Modelling, and Control 12

1.6 Control of Power Electronic Systems 14

1.6.1 Open-loop Versus Closed-loop Control 14

1.6.2 Nonlinear Systems 16

1.6.3 Piecewise Linear Systems 17

1.7 Power Distribution Systems 18

1.8 Concluding Remarks 20

References 20

2 Analysis of AC Signals 23

2.1 Symmetrical Components 24

2.1.1 Voltage Unbalanced Factor (VUF) 25

2.1.2 Real and Reactive Power 26

2.2 Instantaneous Symmetrical Components 27

2.2.1 Estimating Symmetrical Components from Instantaneous Measurements 29

2.2.2 Instantaneous Real and Reactive Power 34

2.3 Harmonics 37

2.4 Clarke and Park Transforms 39

2.4.1 Clarke Transform 39

2.4.2 Park Transform 40

2.4.3 Real and Reactive Power 41

2.4.4 Analyzing a Three-phase Circuit 43

2.4.5 Relation Between Clarke and Park Transforms 45

2.5 Phase Locked Loop (PLL) 46

2.5.1 Three-phase PLL System 47

2.5.2 PLL for Unbalanced System 50

2.5.3 Frequency Estimation of Balanced Signal Using alphaß Components 52

2.6 Concluding Remarks 53

Problems 54

Notes and References 56

3 Review of SISO Control Systems 59

3.1 Transfer Function and Time Response 60

3.1.1 Steady State Error and DC Gain 60

3.1.2 System Damping and Stability 62

3.1.3 Shaping a Second-order Response 63

3.1.4 Step Response of First- and Higher-order Systems 65

3.2 Routh-Hurwitz's Stability Test 66

3.3 Root Locus 69

3.3.1 Number of Branches and Terminal Points 70

3.3.2 Real Axis Locus 71

3.3.3 Breakaway and Break-in Points 73

3.4 PID Control 76

3.4.1 PI Controller 77

3.4.2 PD Controller 78

3.4.3 Tuning of PID Controllers 81

3.5 Frequency Response Methods 83

3.5.1 Bode Plot 85

3.5.2 Nyquist (Polar) Plot 89

3.5.3 Nyquist Stability Criterion 91

3.6 Relative Stability 95

3.6.1 Phase and Gain Margins 95

3.6.2 Bandwidth 101

3.7 Compensator Design 104

3.7.1 Lead Compensator 104

3.7.2 Lag Compensator 108

3.7.3 Lead-lag Compensator 108

3.8 Discrete-time Control 110

3.8.1 Discrete-time Representation 110

3.8.2 The z-transform 111

3.8.3 Transformation from Continuous Time to Discrete Time 112

3.8.4 Mapping s-Plane into z-Plane 112

3.8.5 Difference Equation and Transfer Function 113

3.8.6 Digital PID Control 115

3.9 Concluding Remarks 115

Problems 116

Notes and References 120

4 Power Electronic Control Design Challenges 123

4.1 Analysis of Buck Converter 123

4.1.1 Designing a Buck Converter 126

4.1.2 The Need for a Controller 128

4.1.3 Dynamic State of a Power Converter 133

4.1.4 Averaging Method 133

4.1.5 Small Signal Model of Buck Converter 135

4.1.6 Transfer Function of Buck Converter 136

4.1.7 Control of Buck Converter 136

4.2 Transfer Function of Boost Converter 140

4.2.1 Control of Boost Converter 141

4.2.2 Two-loop Control of