The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Development of a Powertrain for 20kW Experimental Electric Vehicle Using Surface Mounted Permanent Magnet Synchronous Motor

표면 부착형 영구자석 동기 전동기를 이용한 20kW급 실험용 전기자동차 파워트레인 개발

  • Park, Sung-Hwan (Dept. of Electrical and Information Eng., Seoul Nat'l Univ of Science and Technology) ;
  • Lee, Jeong-Ju (Dept. of Electrical and Information Eng., Seoul Nat'l Univ of Science and Technology) ;
  • Son, Jong-Yull (Dept. of Electrical and Information Eng., Seoul Nat'l Univ of Science and Technology) ;
  • Lee, Young-Il (Dept. of Electrical and Information Eng., Seoul Nat'l Univ of Science and Technology)
  • Received : 2016.11.19
  • Accepted : 2017.02.28
  • Published : 2017.06.20
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Abstract

This paper describes the development of a powertrain for a 20 kW experimental electric vehicle using a surface-mounted permanent magnet synchronous motor (SPMSM) and its application to a test vehicle. Two 10 kW SPMSMs are used in the powertrain, and two-level inverters are developed by using IGBTs to derive these motors. To control the SPMSM, a control board based on a TMS320F28335 DSP module, which has fast arithmetic function and floating point operator, is used. We develop a 100 V/40 A battery pack, which includes $32{\times}4$ LiFePO4 battery cells using commercial BMS. A commercial on-board charger with 220 V (AC) input and 100 V (DC) and 18 A output is used to charge the battery pack. The performance of the developed vehicle, such as acceleration availability, maximum speed, and maximum power, is estimated based on vehicle dynamics and verified through experiments.

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References

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