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System Efficiency Improvement for Electric Vehicles Adopting a Permanent Magnet Synchronous Motor Direct Drive System

Author

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  • Chengming Zhang

    (Department of Electrical Engineering, Harbin Institute of Technology University, Room 205, Building 2C, Science Park of Harbin Institute of Technology, Nangang District, Harbin 150001, China)

  • Qingbo Guo

    (Department of Electrical Engineering, Harbin Institute of Technology University, Room 205, Building 2C, Science Park of Harbin Institute of Technology, Nangang District, Harbin 150001, China)

  • Liyi Li

    (Department of Electrical Engineering, Harbin Institute of Technology University, Room 205, Building 2C, Science Park of Harbin Institute of Technology, Nangang District, Harbin 150001, China)

  • Mingyi Wang

    (Department of Electrical Engineering, Harbin Institute of Technology University, Room 205, Building 2C, Science Park of Harbin Institute of Technology, Nangang District, Harbin 150001, China)

  • Tiecheng Wang

    (Department of Electrical Engineering, Harbin Institute of Technology University, Room 205, Building 2C, Science Park of Harbin Institute of Technology, Nangang District, Harbin 150001, China)

Abstract

To improve the endurance mileage of electric vehicles (EVs), it is important to decrease the energy consumption of the Permanent Magnet Synchronous Motor (PMSM) drive system. This paper proposes a novel loss optimization control strategy named system efficiency improvement control which can optimize both inverter and motor losses. A nonlinear power converter loss model is built to fit the nonlinear characteristics of power devices. This paper uses double Fourier integral analysis to analytically calculate the fundamental and harmonic components of motor current by which the fundamental motor loss and harmonic motor loss can be accurately analyzed. From these loss models, a whole-frequency-domain system loss model is derived and presented. Based on the system loss model, the system efficiency improvement control method applies the genetic algorithm to adjust the motor current and PWM frequency together to optimize the inverter and motor losses by which the system efficiency can be significantly improved without seriously influence on the system stability over the whole operation range of EVs. The optimal effects of system efficiency is verified by the experimental results in both Si-IGBT-based PMSM system and SiC-MOSFET-based system.

Suggested Citation

  • Chengming Zhang & Qingbo Guo & Liyi Li & Mingyi Wang & Tiecheng Wang, 2017. "System Efficiency Improvement for Electric Vehicles Adopting a Permanent Magnet Synchronous Motor Direct Drive System," Energies, MDPI, vol. 10(12), pages 1-27, December.
  • Handle: RePEc:gam:jeners:v:10:y:2017:i:12:p:2030-:d:121181
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    References listed on IDEAS

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    1. Yi Sui & Ping Zheng & Fan Wu & Bin Yu & Pengfei Wang & Jiawei Zhang, 2014. "Research on a 20-Slot/22-Pole Five-Phase Fault-Tolerant PMSM Used for Four-Wheel-Drive Electric Vehicles," Energies, MDPI, vol. 7(3), pages 1-23, March.
    2. Ming Cheng & Le Sun & Giuseppe Buja & Lihua Song, 2015. "Advanced Electrical Machines and Machine-Based Systems for Electric and Hybrid Vehicles," Energies, MDPI, vol. 8(9), pages 1-24, September.
    3. Jing Zhao & Zhongxin Gu & Bin Li & Xiangdong Liu & Xiaobei Li & Zhen Chen, 2015. "Research on the Torque and Back EMF Performance of a High Speed PMSM Used for Flywheel Energy Storage," Energies, MDPI, vol. 8(4), pages 1-22, April.
    4. Tao Wang & He Wang, 2017. "Research on an Integrated Hydrostatic-Driven Electric Generator with Controllable Load for Renewable Energy Applications," Energies, MDPI, vol. 10(9), pages 1-17, August.
    5. Liang Chu & Yi-fan Jia & Dong-sheng Chen & Nan Xu & Yan-wei Wang & Xin Tang & Zhe Xu, 2017. "Research on Control Strategies of an Open-End Winding Permanent Magnet Synchronous Driving Motor (OW-PMSM)-Equipped Dual Inverter with a Switchable Winding Mode for Electric Vehicles," Energies, MDPI, vol. 10(5), pages 1-22, May.
    6. Weiwei Gu & Xiaoyong Zhu & Li Quan & Yi Du, 2015. "Design and Optimization of Permanent Magnet Brushless Machines for Electric Vehicle Applications," Energies, MDPI, vol. 8(12), pages 1-13, December.
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    Citations

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    Cited by:

    1. Miran Rodič & Miro Milanovič & Mitja Truntič, 2018. "Digital Control of an Interleaving Operated Buck-Boost Synchronous Converter Used in a Low-Cost Testing System for an Automotive Powertrain," Energies, MDPI, vol. 11(9), pages 1-24, August.
    2. Klemen Drobnič & Lovrenc Gašparin & Rastko Fišer, 2019. "Fast and Accurate Model of Interior Permanent-Magnet Machine for Dynamic Characterization," Energies, MDPI, vol. 12(5), pages 1-20, February.
    3. Shuang Wang & Jianfei Zhao & Kang Yang, 2019. "High Frequency Square-Wave Voltage Injection Scheme-Based Position Sensorless Control of IPMSM in the Low- and Zero- Speed Range," Energies, MDPI, vol. 12(24), pages 1-21, December.
    4. Andrzej Łebkowski, 2018. "Design, Analysis of the Location and Materials of Neodymium Magnets on the Torque and Power of In-Wheel External Rotor PMSM for Electric Vehicles," Energies, MDPI, vol. 11(9), pages 1-23, August.
    5. Taewook Ha & Nyeon Gu Han & Min Soo Kim & Kyu Heon Rho & Dong Kyu Kim, 2021. "Experimental Study on Behavior of Coolants, Particularly the Oil-Cooling Method, in Electric Vehicle Motors Using Hairpin Winding," Energies, MDPI, vol. 14(4), pages 1-15, February.
    6. Michele De Santis & Sandro Agnelli & Fabrizio Patanè & Oliviero Giannini & Gino Bella, 2018. "Experimental Study for the Assessment of the Measurement Uncertainty Associated with Electric Powertrain Efficiency Using the Back-to-Back Direct Method," Energies, MDPI, vol. 11(12), pages 1-19, December.
    7. Shun Li & Xinxiu Zhou, 2018. "Sensorless Energy Conservation Control for Permanent Magnet Synchronous Motors Based on a Novel Hybrid Observer Applied in Coal Conveyer Systems," Energies, MDPI, vol. 11(10), pages 1-23, September.
    8. Gianluca Brando & Adolfo Dannier & Andrea Del Pizzo, 2022. "Efficiency Analytical Characterization for Brushless Electric Drives," Energies, MDPI, vol. 15(8), pages 1-11, April.
    9. Dongliang Liu & Xinhua Guo & Youjian Lei & Rongkun Wang & Ruipei Chen & Fenyu Chen & Zhongshen Li, 2022. "An Improved Control Strategy of PMSM Drive System with Integrated Bidirectional DC/DC," Energies, MDPI, vol. 15(6), pages 1-16, March.
    10. Andrzej Łebkowski, 2018. "Reduction of Fuel Consumption and Pollution Emissions in Inland Water Transport by Application of Hybrid Powertrain," Energies, MDPI, vol. 11(8), pages 1-16, July.

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