1. Inverters for Electric Vehicles 2013-2023
Report Details:
Published:October 2012
No. of Pages: 139
Price: Single User License – US$4250
Primary author Gerry Boast, Anglo EV Co-author Dr Peter Harrop, Chairman, IDTechEx
This report provides a market forecast for traction inverters for electric vehicles over the next
decade, together with a supplier and technology review, With a large range of applications and
rapidly increasing market, there is significant opportunity for a large number of players. However,
traction Inverter technology is rapidly evolving, aided by new materials and innovations that
provide step changes in performance necessary to meet future demands for higher performance,
efficiency and reliability in a smaller package and at a significant cost reduction compared with
today.
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Major points covered in Table of Contents of this report include
Table of Contents
1. EXECUTIVE SUMMARY AND CONCLUSIONS
1.1. Market Forecasts etc
1.2. Global value market for vehicle traction drives
2. INTRODUCTION
2.1. History of the Electric Motor and Motor Control
2.2. AC Vs DC
2.3. Direct Drive or gearbox
2.4. Comparison with a parallel market
2.5. Technologies and trends in the key components used in electric traction drives
2.5.1. The Power Module
2.5.2. DC Bus/Snubber capacitor

2. 2.5.3. Analog sensors
2.5.4. Position/Speed Feedback
2.5.5. Control DSP
2.5.6. Isolated Gate drive circuit
2.5.7. Switch Mode power supply
2.5.8. Power Distribution within the inverter
2.5.9. Digital Communications
3. ANALYSIS OF 72 TRACTION MOTOR/INVERTER MANUFACTURERS
4. ANALYSIS OF INVERTER COMPONENT MANUFACTURERS
5. COMMENTS FROM AUTOMOTIVE WORLD 2012
5.1. Toyota
5.2. Volkswagen
5.3. Ford
5.4. Toyota - Power Electronics
5.5. Fuji Electric
5.6. Renesas
5.7. Nissan
6. TYPES OF TRACTION MOTOR DRIVE IN SUMMARY
6.1. Mechanical Considerations
6.1.1. Shapes of motor drives
6.1.2. Size and number of motor drives
6.1.3. Drive position
6.1.4. Cooling Systems
6.2. Functional Safety and High Availability
7. MARKET FORECASTS
7.1. Inverter/Controller forecasts of numbers
7.2. Global value market for vehicle traction drives
7.3. System design
7.4. Influence of motor type on inverter design
7.5. Influence of battery voltage and motor performance requirements
7.6. Summary of Inverter component technology trends
7.6.1. Power Modules
7.6.2. Higher switching frequencies
7.6.3. Heat recovery
7.6.4. Snubber capacitors
7.6.5. Communications
7.6.6. Power distribution

3. 7.6.7. Functional safety
APPENDIX 1: REFERENCES AND WORKS CITED
APPENDIX 2: IDTECHEX PUBLICATIONS AND CONSULTANCY
List Of Tables
1.1. Number of traction inverters in electric vehicles worldwide 2012-2023 in thousands
1.2. Vehicle numbers (thousand) 2012-2023
1.3. Number of traction motors in multi-motor vehicles 2012-2023 and percentage of all vehicle
traction motors rounded
1.4. Proportion of electric vehicles with more than one motor 2012-2023
1.5. Number of electric vehicles with more than one electric motor 2012-2023 in thousands and
percentage of all electric vehicles rounded
1.6. Average number of motors per multi-motor vehicle 2012-2023
1.7. Proportion of electric vehicles with one motor 2012-2023
1.8. Number of electric vehicles with one electric motor ie number of motors in single-motor
vehicles in thousands 2012-2023
1.9. Price of traction inverter to vehicle manufacturer in $k per vehicle 2012-2023
1.10. Traction inverter market value $million paid by vehicle manufacturer 2012-2023
2.1. Typical Electric Motor Applications
2.2. Motor types, applications and advantages
2.3. Comparison of key requirements in the industrial automation and automotive markets for
inverters/controllers
3.1. Analysis of 72 traction motor/inverter manufacturers
4.1. Analysis of Inverter Component Manufacturers
7.1. Number of traction inverters in electric vehicles worldwide 2012-2023 in thousands
7.2. Vehicle numbers (thousand) 2012-2023
7.3. Number of traction motors in multi-motor vehicles 2012-2023 and percentage of all vehicle
traction motors rounded
7.4. Proportion of electric vehicles with more than one motor 2012-2023
7.5. Number of electric vehicles with more than one electric motor 2012-2023 in thousands and
percentage of all electric vehicles rounded
7.6. Average number of motors per multi-motor vehicle 2012-2023
7.7. Proportion of electric vehicles with one motor 2012-2023
7.8. Number of electric vehicles with one electric motor ie number of motors in single-motor
vehicles in thousands 2012-2023
7.9. Price of traction inverter to vehicle manufacturer in $k per vehicle 2012-2023
7.10. Traction inverter market value $million paid by vehicle manufacturer 2012-2023
List Of Figures

4. 1.1. Typical e-powertrain components
1.2. On-going Development of Hitachi automotive inverters
1.3. Toyota Prius 2010 electronic control unit showing bed of IGBT chips
1.4. Number of traction inverters in electric vehicles worldwide 2012-2023 in thousands
1.5. Inverter market value $ million paid by vehicle manufacturer 2012-2023
2.1. Families of power semiconductor
2.2. Latest power semiconductors by frequency of use
2.3. Overview of traction inverter
2.4. IGBT Power module exposed
2.5. Figure of Merit for successive generations of Mitsubishi IGBT
2.6. Schematic drawing of Semikron SKiN Technology
2.7. Comparison of 2nd and 3rd generation Toyota Prius power module
2.8. Hitachi pin fin liquid cooled power modules
2.9. Hitachi IGBT Module with pin fin baseplate used on Chevrolet Volt
2.10. Double sided Cooling - Denso Lexus LS600h
2.11. Potted film capacitor
2.12. Volumetric transition of metalized polypropylene film capacitors
2.13. LEM Hall-Effect current sensor
2.14. Contactless current sensor IC
2.15. Block Diagram of Freescale' s Qorivva MPC567xK
2.16. Analog Devices iCoupler Technology
2.17. Potted film capacitor for traction applications
7.1. Number of traction inverters in electric vehicles worldwide 2012-2023 in thousands
7.2. Inverter market value $ million paid by vehicle manufacturer 2012-2023
7.3. Make-up of EV component manufacturers
7.4. Power and voltage requirement for energy storage systems
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