10 Part 4: Impact of SiC Device on Soft‐switching Grid Inverter 10 Soft‐switching SiC Three‐phase Grid Inverter 10.1 Introduction 10.2 Soft‐switching Three‐phase Inverter 10.3 Efficiency Comparison of Hard‐switching SiC Inverter and Soft‐switching SiC Inverter 10.4 Design of Low Stray Inductance Layout in Soft‐switching SiC Inverter 10.5 Design of Low Loss Resonant Inductor in Soft‐switching SiC Inverter 10.6 Summary References 11 Soft‐switching SiC Single‐phase Grid Inverter with Active Power Decoupling 11.1 Introduction 11.2 Operation Principle 11.3 Circuit Analysis 11.4 Design Prototype 11.5 Summary References 12 Soft‐switching SiC Three‐phase Four‐wire Back‐to‐back Converter 12.1 Introduction 12.2 Operation Principle 12.3 Circuit Analysis 12.4 Design Prototype 12.5 Summary References
11 Appendix A.1 Basic of SVM A.2 Switching Patterns of SVM 12 A.3 Switching Patterns of ZVS‐SVM A.4 Inverter Loss Models A.5 AC Filter Inductance Calculation A.6 DC Filter Capacitance Calculation
12 Index
13 Books in the IEEE Press Series on Power and Energy Systems
List of Tables
1 Chapter 3Table 3.1 Vector sequences in each sector.Table 3.2 Characteristics of the converters vs. auxiliary circuit and operat...
2 Chapter 4Table 4.1 Eight switch states.Table 4.2 Switching sequence in each sector.Table 4.3 Specifications of the ZVS rectifier.Table 4.4 Resonant parameters selected.
3 Chapter 5Table 5.1 Eight switch states.Table 5.2 Modulation sequences and current commutation type.Table 5.3 Switching sequence in each sector.Table 5.3 Specifications of the ZVS rectifier.Table 5.4 Resonant parameters selected.
4 Chapter 6Table 6.1 Eight switch states.Table 6.2 Modulation sequences and current commutation type.Table 6.3 Switching sequence in each sector.Table 6.4 Switching sequence in each sector.Table 6.5 Specifications of the ZVS inverter.Table 6.6 Resonant parameters selected.
5 Chapter 7Table 7.1 Vector sequences of the ZVS‐SVM in entire 12 sectors.Table 7.2 Counter‐compare values for three‐phase bridges.Table 7.3 Specifications of the ZVS inverter.
6 Chapter 8Table 8.1 Fitting coefficients for conduction voltage of IGBT device and fo...Table 8.2 Fitting coefficients for turn‐off energy.Table 8.3 Constrained conditions.Table 8.4 Optimization design results.Table 8.5 Parameters of the inverter prototype.Table 8.6 Experiment parameters.
7 Chapter 10Table 10.1 Input and output parameters of designed soft‐switching SiC inver...Table 10.2 Parameters under different switching frequency.Table 10.3 Cores selection and volume evaluation of AC filter inductors and...
8 Chapter 11Table 11.1 Rated parameters of the prototype.Table 11.2 Specifications of the prototype.
9 Chapter 12Table 12.1 Resonant parameter and filter inductance at different switching ...Table 12.2 Circuit parameters for the ZVS BTB prototype.
List of Illustrations
1 Chapter 1Figure 1.1 Three‐phase converters: (a) grid converters; (b) inverter.Figure 1.2 Circuit diagram of UPS.Figure 1.3 Filter inductance, weight and loss vs. switching frequency. (a) F...Figure 1.4 Power trains of electric vehicles: (a) circuit of power trains; (...Figure 1.5 DC side capacitance vs. switching frequency.Figure 1.6 Power semiconductor loss of the inverter vs. switching frequency....Figure 1.7 Total SiC MOSFET loss of the inverter vs. switching frequency.Figure 1.8 Typical switching waveforms of a power device.Figure 1.9 Zero‐voltage‐switching turn‐on.Figure 1.10 Zero‐current‐switching turn‐on.Figure 1.11 Zero‐voltage‐switching turn‐off.Figure 1.12 Zero‐current‐switching turn‐off.Figure 1.13 Active clamping converters: (a) circuit; (b) auxiliary switch st...Figure 1.14 Single‐phase PV inverter for residential applications.Figure