Power Electrical Equipment in Electric Locomotives with Asynchronous Traction Drives

다국어 초록 (Multilingual Abstract)

This thesis investigates the design, operation, and technical advantages of the power electrical equipment used in electric locomotives equipped with asynchronous (induction) traction drives.

목차 (Table of Contents)

• List of Contents
• Abstract ⅰ
• List of Figures ⅴ
• List of Tables ⅶ
• 1. Introduction 1
• 1.1. Background 2
• 1.2. Structure of Research 3
• 2. Asynchronous traction motors and power semiconductor converters 5
• 2.1. Design, principle of operation and modes of operation of traction asynchronous machine 5
• 2.1.1 Advantages of Asynchronous Traction Motors Compared to DC Traction Motors 12
• 2.1.2 Frequency Control of Asynchronous Traction Drives of Electric Rolling Stock 16
• 2.2. Power Semiconductor Converters 31
• 2.2.1 4q-S converter 32
• 2.2.2 Voltage Source Inverters (VSI) 41
• 2.3. Conclusion for chapter 2 43
• 3. Electromagnetic Calculation of the Asynchronous Traction Motor of the Electric Locomotive 45
• 3.1. Design Assignment and Determination of the Main Calculation Data 46
• 3.2 Calculation of the Stator Active Core 54
• 3.3. Calculation of the Rotor Active Part 64
• 3.4 Calculation of the Magnetic Circuit 75
• 3.5 Calculation of Inductive Reactances 83
• 3.6 Currents of Higher Harmonics and the Losses They Produce 89
• 3.7 Circle Diagram for the Motor’s Rated Operating Mode 96
• 3.8 Calculation of Characteristics 108
• 3.9 Conclusion for chapter 3 117
• 4. Conclusion 120