汇集作者及其研究团队十余年来的主要研究成果,可以指导大容量特种高性能电力电子变换器的z优设计和高效、可靠运行。
This book discusses topics related to power electronics, especially electromagnetic transient analysis and control of high-power electronics conversion. It focuses on the re-evaluation of power electronics, transient analysis and modeling, device-based system-safe operating area, and energy balance-based control methods, and presenting, for the first time, numerous experimental results for the transient process of various reat-world converters.The book systematically presents both theoretical analysis and practical applications.
The first chapter discusses the structure and attributes of power electronics systems, highlighting the analysis and synthesis, while the second chapter explores the transient process and modeling for power electronics systems. The transient features of power devices at switching-on/off, transient conversion circuit with stray parameters and device-based system-safe operating area are described in the subsequent three chapters. Ihe book also examines the measurement of transient processes, electromagnetic pulses and their series, as well as high-performance, closed-loop control, and expounds the basic principles and method of the energy-balanced control strategy. Lastly, it introduces the applications of transient analysis of typical power electronics systems. Ihe book is valuable as a textbook for college students, and as a reference resource for electrical engineers as well as anyone working in the field of high-power electronics system.
1 Introduction
1.1 Decomposition of Power Electronics Systems
1.1.1 Power Semiconductor Devices
1.1.2 Power Conversion Circuit
1.1.3 Pulse Control
1.2 Synthesis of Power Electronics Systems
1.2.1 Integration of Software and Hardware
1.2.2 Interaction Between Information and Energy
1.2.3 Transfer Between Linearity and Non-linearity
1.2.4 Mixture of Continuity and Discreteness
1.2.5 Coordination of Multi-timescale Subsystems
1.3 Applications of Power Electronics Systems
1.3.1 Flexible AC or DC Current Transmission
1.3.2 Power Electronic Systems in Grid-Tied Renewable Energy Generation
1.3.3 Traction System
1.4 Existing Challenges in Power Electronics Systems
1.4.1 Misunderstanding the Short-Timescale Switching Process of Power Switches
1.4.2 Idealization of Power-Conversion Topology for Transient Study
1.4.3 Unrecognizing the Difference Between Information Pulses and Energy Pulses
1.4.4 Misidentifying Electromagnetic Transients
2 Electromagnetic Transients and Modelliing
2.1 Electromagnetic Transients of Power Electronics Systems
2.1.1 Electromagnetic Transients in the Main-Power Loop
2.1.2 Electromagnetic Transients in the Gate-Drive Loop
2.1.3 Electromagnetic Transients in the Control Loop
2.2 Mathematical Models of Electromagnetic Transients
2.2.1 Modelling Electromagnetic Transients
2.2.2 Transient Model of the Main-Power Loop
2.2.3 Transient Models of Electric Components
2.2.4 Transients Model of Gate-Drive and Control Circuits
2.3 Timescale Difference and Impact
2.3.1 Comparison of Different Time-Scale Transients
2.3.2 Correlations Among Different Time-Constant Loops
2.3.3 Impact of the Time-Constant Difference
2.3.4 Loop-Parameter Matching for Energy Balancing
2.4 Electromagnetic Pulses and Pulse Sequences
2.4.1 Mathematical Expression of the Electromagnetic Pulses and Pulse Sequences
2.4.2 Propagation and Deformation of the Pulse and Pulse Sequence
2.4.3 Time and Logic Combination of Pulse Sequence
……
3 Transient Characteristics of Power Switches
4 Transient Commutation Topology and Its Stray Parameters
5 System Safe Operation Area Based on Switching Characteristics
6 Measurement and Observation of Electromagnetic Transients
7 Electromagnetic Pulses and Sequences in Main Circuit
8 High-Performance Closed-Loop Control and Its Constraints
9 Balance of Electromagnetic Energy in Transients
10 Applications of Transient Analysis in Power Converters
References
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