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Heating Performance Characteristics of High-Voltage PTC Heater for an Electric Vehicle

Author

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  • Myeong Hyeon Park

    (School of Mechanical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongbuk 712-749, Korea)

  • Sung Chul Kim

    (School of Mechanical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongbuk 712-749, Korea)

Abstract

High-voltage positive temperature coefficient (PTC) heaters have a high heating capacity and are fast acting; thus, they function as the actual main heating equipment in electric cars, and considerable research is devoted to improving their heating performance and efficiency. We evaluated the heating performance of a high-voltage PTC heater for an electric car by building a closed-loop-type test system including an air channel, environment chamber, DC power supply, and data acquisition system, and designed an initial prototype with general characteristics. Using this test system, we analyzed the heating performance characteristics of the heater as a function of changes in the blower airflow, ambient temperature, and battery voltage. We changed the geometrical variables of the heater and conducted an analysis to improve the heating performance and output density of the initial prototype. Based on the heating performance of the initial prototype and its geometrical variables, we designed an improved prototype and compared its heating performance and output density with that of the initial prototype. As a result, we achieved a heating capacity of 5.52 kW, a pressure drop of 48.2 Pa, and an efficiency of 98%, whereas the output density was 3.45 kW/kg, which is a 24% improvement over the initial prototype.

Suggested Citation

  • Myeong Hyeon Park & Sung Chul Kim, 2017. "Heating Performance Characteristics of High-Voltage PTC Heater for an Electric Vehicle," Energies, MDPI, vol. 10(10), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:10:p:1494-:d:113290
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    References listed on IDEAS

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    1. Yoon Hyuk Shin & Seung Ku Ahn & Sung Chul Kim, 2016. "Performance Characteristics of PTC Elements for an Electric Vehicle Heating System," Energies, MDPI, vol. 9(10), pages 1-9, October.
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    1. Myeong Hyeon Park & Sung Chul Kim, 2019. "Heating Performance Enhancement of High Capacity PTC Heater with Modified Louver Fin for Electric Vehicles," Energies, MDPI, vol. 12(15), pages 1-14, July.
    2. Ivan Cvok & Igor Ratković & Joško Deur, 2020. "Optimisation of Control Input Allocation Maps for Electric Vehicle Heat Pump-based Cabin Heating Systems," Energies, MDPI, vol. 13(19), pages 1-23, October.
    3. Hyun Sung Kang & Seungkyu Sim & Yoon Hyuk Shin, 2018. "A Numerical Study on the Light-Weight Design of PTC Heater for an Electric Vehicle Heating System," Energies, MDPI, vol. 11(5), pages 1-15, May.
    4. Gian Luca Patrone & Elena Paffumi & Marcos Otura & Mario Centurelli & Christian Ferrarese & Steffen Jahn & Andreas Brenner & Bernd Thieringer & Daniel Braun & Thomas Hoffmann, 2022. "Assessing the Energy Consumption and Driving Range of the QUIET Project Demonstrator Vehicle," Energies, MDPI, vol. 15(4), pages 1-21, February.
    5. Ivan Cvok & Igor Ratković & Joško Deur, 2021. "Multi-Objective Optimisation-Based Design of an Electric Vehicle Cabin Heating Control System for Improved Thermal Comfort and Driving Range," Energies, MDPI, vol. 14(4), pages 1-24, February.

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