1 Introduction

1.1 Background

1.2 Operational Principle of SRMs

1.3 Configuration of SRMs

1.4 Outline and Contributions

2 Geometry Design of an Ordinary SRM

2.1 Introduction

2.2 The Estimation Principles

2.3 The Designed SRMs

2.4 Analysis and Verification by FE Method

2.5 Conclusion

3 An Improved Lumped Parameter Thermal Model

3.1 Introduction

3.2 The Improvement by Compensation Elements

3.3 The Thermal Network

3.4 Results and Discussion

3.5 Sensitivity Analysis

3.6 Conclusion

4 Loss Analysis of a Canned SRM

4.1 Introduction

4.2 The Calculation Principle of Iron Loss

4.3 Model of Iron Loss

4.4 Can Loss Analysis

4.5 Conclusion

5 The MMF Modeling for Concentrated Windings

5.1 Introduction

5.2 The Model of Phase Current

5.3 The Winding Function

5.4 Model of One Coil（model 1）