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Varied-Frequency CC–CV Inductive Wireless Power Transfer with Efficiency-Regulated EV Charging for an Electric Golf Cart

Author

Listed:
  • Jutturit Thongpron

    (Clean Energy System (CES-RMUTL), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Uthen Kamnarn

    (Green Technology and Power Conversion (GTPC), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Anon Namin

    (Clean Energy System (CES-RMUTL), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Thanet Sriprom

    (Clean Energy System (CES-RMUTL), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Ekkachai Chaidee

    (Clean Energy System (CES-RMUTL), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Suchart Janjornmanit

    (Green Technology and Power Conversion (GTPC), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Samart Yachiangkam

    (Green Technology and Power Conversion (GTPC), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Chanyut Karnjanapiboon

    (Green Technology and Power Conversion (GTPC), Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna (RMUTL), Hauy Kaew Rd., Chang Phueg, Chiang Mai 50300, Thailand)

  • Phatiphat Thounthong

    (Renewable Energy Research Centre (RERC), Department of Teacher Training in Electrical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand)

  • Noureddine Takorabet

    (Groupe de Recherche en Energie Electrique de Nancy, Université de Lorraine, 54506 Nancy, France)

Abstract

Wireless electric vehicle (EV) charging is an important operation for valuable EV options in modern life. Inductive wireless EV charging needs constant current and voltage (CC–CV) charge controllers. This paper presents 750 W variable frequency CC–CV inductive wireless charging for an e-golf cart 50 Ah 72 V Li-ion battery. Due to this system’s low power, the system’s efficiency may be weak; the secondary-side (SS) maximum efficiency-controlled (MEC) converter was validated. The golf cart’s battery characteristics were evaluated to design and experiment with inductive wireless power transfer (IPT) coils and an integration system for a 42 kHz resonant frequency. The CC–CV charged control is an infrastructural part of the H-bridge inverter at varied frequencies from 50 kHz to 56 kHz when the DC input voltage is 310 V, and in the range of 44 kHz to 46 kHz at the 155 V input. The results found the charging of 9 A CC, 82 V CV and 730 W. The 310 V input voltage system without the SS MEC converter’s efficiencies was 62% to 72% and it was improved to 65% to 81% using the SS MEC converter. Finally, the best cases were validated at the 155 V DC input voltage and the system with the SS MEC converter had 76% to 86% efficiency.

Suggested Citation

  • Jutturit Thongpron & Uthen Kamnarn & Anon Namin & Thanet Sriprom & Ekkachai Chaidee & Suchart Janjornmanit & Samart Yachiangkam & Chanyut Karnjanapiboon & Phatiphat Thounthong & Noureddine Takorabet, 2023. "Varied-Frequency CC–CV Inductive Wireless Power Transfer with Efficiency-Regulated EV Charging for an Electric Golf Cart," Energies, MDPI, vol. 16(21), pages 1-25, November.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:21:p:7388-:d:1272162
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