Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters (CPSS Power Electronics Series)

✍ Scribed by Dong Jiang, Zewei Shen, Qiao Li, Jianan Chen, Zicheng Liu

• Publisher: Springer
• Year: 2021
• Tongue: English
• Leaves: 395
• Edition: 1st ed. 2021
• Category: Library

✦ Synopsis

This book is a technical publication for students, scholars and engineers in electrical engineering, focusing on the pulse-width-modulation (PWM) technologies in power electronics area. Based on an introduction of basic PWM principles this book analyzes three major challenges for PWM on system performance: power losses, voltage/current ripple and electromagnetic interference (EMI) noise, and the lack of utilization of control freedoms in conventional PWM technologies. Then, the model of PWM's impact on system performance is introduced, with the current ripple prediction method for voltage source converter as example. With the prediction model, two major advanced PWM methods are introduced: variable switching frequency PWM and phase-shift PWM, which can reduce the power losses and EMI for the system based on the prediction model. Furthermore, the advanced PWM can be applied in advanced topologies including multilevel converters and paralleled converters. With more control variables in the advanced topologies, performance of PWM can be further improved. Also, for the special problem for common-mode noise, this book introduces modified PWM method for reduction. Especially, the paralleled inverters with advanced PWM can achieve good performance for the common-mode noise reduction. Finally, the implementation of PWM technologies in hardware is introduced in the last part.

✦ Table of Contents

Foreword
Preface
Contents
Abbreviations
1 Brief Introduction of Power Electronics and Pulse Width Modulation
1.1 Power Electronics Devices and Power Electronics Converters
1.2 Introduction of Pulse Width Modulation
1.3 Development and Challenges for Power Electronics
1.4 Summary
References
2 Principle of Pulse Width Modulation
2.1 Space Vector PWM (SVPWM)
2.2 Carrier-Based PWM (CBPWM)
2.3 Relationship Between SVPWM and CBPWM
2.4 Some Nonideal Factors in PWM Generation
2.5 Mathematical Analysis Method for PWM
2.6 Summary
References
3 Pulse Width Modulation’s Impact
3.1 Introduction of PWM on the System Performance
3.2 PWM and Switching Losses
3.3 PWM and Ripple
3.4 PWM and Electromagnetic Interference (EMI)
3.5 Overview of Spread Spectrum PWM
3.6 Summary
References
4 Current Ripple Prediction Model for Power Electronics Converter
4.1 Current Ripple Prediction for Single-Phase Inverter
4.2 Current Ripple Prediction for Three-Phase VSI: Thevenin Equivalent Circuit [7, 8]
4.3 Current Ripple Prediction for Multiphase VSI [9]
4.4 Current Ripple Prediction Using d-q Transformation [10]
4.5 DC-Link Current Prediction [11]
4.6 The Impact of Nonideal Characteristics on Current Ripple Prediction
4.6.1 Common-Mode Loop [13]
4.6.2 Inductance Variation [14]
4.7 Summary
References
5 Model Predictive VSFPWM
5.1 Model Predictive PWM
5.2 The Architecture of Variable Switching Frequency PWM
5.3 VSFPWM for Current Ripple Peak Value Control (VSFPWM1)
5.4 VSFPWM for Current Ripple RMS Value Control (VSFPWM2)
5.5 VSFPWM Based on Other Optimization Objectives
5.5.1 VSFPWM for Torque Ripple Control
5.5.2 VSFPWM for Voltage Ripple Control
5.6 Switching Frequency Distribution’s Further Optimization [23, 24]
5.7 The Spectrum Calculation and Analysis of VSFPWM [21]
5.8 The Impact of VSFPWM on d-q Current Control [22]
5.8.1 Steady-State Performance
5.8.2 Dynamic Performance
5.9 Pulse Position Control: Phase-Shift PWM [14]
5.10 Summary
References
6 Advanced PWM Strategies for Complicated Topologies
6.1 Introduction to Complicated Topologies
6.2 PWM Strategies for Paralleled Inverters [19, 28]
6.2.1 Carrier Phase-Shift PWM for Paralleled Inverters
6.2.2 Carrier Phase-Shift PWM for Multisegment Motor
6.2.3 An Example: Torque Ripple Reduction for Two-Segment PMSM
6.2.4 VSFPWM for Circulating Current of Paralleled Inverters [30]
6.3 PWM Strategies for Multilevel Converters
6.3.1 VSFPWM for Three-Level Inverter
6.3.2 Neutral Point Potential Balance for Three-Level Inverter
6.3.3 VSFPWM for Voltage Ripple Control in Three-Level Flying Capacitor Inverter
6.4 PWM Strategies for Current-Source Converters
6.4.1 General Control Method for Current Source Converters
6.4.2 VSFPWM for DC-Link Current Ripple Control in CSI
6.5 PWM Strategies for OWMD with Novel Topology [25–27, 29]
6.5.1 SVPWM for OWMD with Novel Three-Phase Four-Leg Converter
6.5.2 CBPWM for OWMD with Novel N-phase (N + 1)-Leg Converter
6.6 Summary
References
7 PWM Technology for Common-Mode Noise Reduction
7.1 Common-Mode Noise Introduction
7.2 Common-Mode Voltage Suppression by Improved PWM Strategy
7.3 Common-Mode Loop Analysis and Common-Mode Current Suppression Method
7.4 Common-Mode Voltage Elimination by Three-Level Converter PWM Method
7.4.1 Three-Level Converter: Zero Common-Mode PWM [10, 11]
7.4.2 Three-Level Converter: Evaluation of Zero-CM PWM
7.4.3 Three-Level Converter: Zero-CM VSFPWM
7.5 Common-Mode Voltage Reduction and Elimination by Paralleled Two-Level Converter PWM Methods
7.5.1 Paralleled Converters: Interleaved SVPWM
7.5.2 Paralleled Converters: Zero-CM PWM
7.5.3 Modified Zero-CM PWM for Paralleled Converters: Circulating Current Suppression
7.5.4 General Pulse Delay Compensation Method
7.6 Common-Mode Voltage Elimination for Dual Inverter-Fed Dual Three-Phase PMSM
7.6.1 Common-Mode Voltage Elimination for Dual Three-Phase PMSM with 0° Angle Displacement [32]
7.6.2 Common-Mode Voltage Elimination for Dual Three-Phase PMSM with 30° Angle Displacement [33]
7.6.3 Common-Mode Voltage Elimination for Dual Three-Phase PMSM with Arbitrary Angle Displacement
7.7 Dual Inverter-Fed Open-Winding Three-Phase PMSM with Zero-Sequence Current Elimination
7.8 Common-Mode Voltage Reduction for Multiphase Converters
7.8.1 Phase-Shifted Sinusoidal PWM (PSSPWM)
7.8.2 Saw-Tooth Carrier-Based PWM (SCPWM)
7.9 Zero-CM PWM for Modular Multilevel Converter
7.10 Summary
Appendix
References
8 Software and Hardware Implementation of Advanced PWM
8.1 Implementation of Advanced PWM in Simulation
8.2 The Generation Principle of PWM in DSP
8.3 Modified PWM Realization in Hardware
8.3.1 Modified PWM Realization: Variable Switching Frequency PWM
8.3.2 Modified PWM Realization: Phase-Shift PWM
8.3.3 Modified PWM Realization: Asymmetric PWM Realization with Different Comparison Values in Single Switching Cycle [5]
8.4 Summary
References