Iron Losses Analysis Based on Mathematical Approach for Soft Magnetic Materials

目录

声明

Chapter 1Introduction

1.1 Background

1.1.1Eddy current loss

1.1.2Hysteresis loss

1.1.3Soft Magnetic Materials

1.2Overview of iron loss models

1.3Steinmetz Equation(SE)

1.3.1 Modified Steinmetz Equation (MSE)

1.3.2 Generalized Steinmetz Equation (GSE)

1.3.3 Improved Generalized Steinmetz Equation(IGSE)

1.3.4 Natural Steinmetz Extension (NSE)

1.4 Mathematical Hysteresis Models

1.4.1 Classical Preisach Model

1.4.2 Jiles-Atherton Model

1.4.3 Loss Surface Model

1.5 Loss Separation models

1.5.1 Loss Separation (Two terms model)

1.5.2 Loss Separation (Three terms model)

1.6 Measurement Setup and Principle

1.6.1 Measurement Setup

1.6.2 Measurement principal

1.7Measurements and Accuracy

1.8Thesis Objectives

1.9Thesis Outline

Chapter 2Iron Losses Analysis With Steinmetz Based Models Under Non-sinusoidal Flux

2.1Experimental Verification

2.1.2 Non-sinusoidal excitations with harmonics

2.1.4 Test results and discussion

2.2 Iron Losses Analysis Under Sinusoidal Pulse With Modulation (SPWM)

2.2.1 Sinusoidal Pulse Width Modulation (SPWM)

2.3 Measurement Scheme

2.3.1 Measurement Setup

2.3.2 Testing materials physicalparameters

2.4 Testing Results and Discussion

2.6 Iron Losses Analysis for Silicon Steelunder SPWM

2.7Testing results

2.8 Discussions

Chapter 3Loss Surface Model

3.1Experimental verificationforSineLoss Surface Model

3.1.1 Measurement Setup

3.1.2Supporting points for Loss Surfaceunder sinusoidal flux surface

3.1.3Iron Losses analysis withsine Loss surface model underharmonics

3.1.4Iron Losses analysis with sine Loss surface model underSPWM

3.2 Experimental verification for Triangular Loss Surface Model

3.2.1Supporting points for Loss Surface under triangular flux surface

3.2.2IronLosses analysis withLoss surface model under harmonics

3.2.3 IronLosses analysis withLoss surface model under SPWM

3.3 Discussion

3.3.1 Desired flux density for loss surfacemodel

3.3.2 Toroidal measurement for loss surface

Chapter 4Conclusion and Future Work

4.1 Conclusion

4.2 Future Work

参考文献

Academic Contributions

Aw ards

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