Performance Characteristics of a Modularized and Integrated PTC Heating System for an Electric Vehicle

Yoon Hyuk Shin, Seungkyu Sim and Sung Chul Kim
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Yoon Hyuk Shin: Green Car Power System R&D Division, Korea Automotive Technology Institute, 74 Yongjung-Ri, Pungse-Myun, Dongnam-Gu, Chonan-Si, Chungnam 330-912, Korea
Seungkyu Sim: Donga High Tech Company, Dongtangiheung-Road, Dongtan-Myeon, Hwaseong-Si, Gyunggi-Do 445-813, Korea
Sung Chul Kim: School of Mechanical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 712-749, Korea

Energies, 2015, vol. 9, issue 1, 1-11

Abstract: A modularized positive temperature coefficient heating system has controller-integrated heater modules. Such a heating system that uses a high-voltage power of 330 V was developed in the present study for use in electric vehicles. Four heater modules and one controller with an input power of 5.6 kW were integrated in the modularized system, which was designed for improved heating power density and light weight compared to the conventional heating system, in which the controller is separated. We experimentally investigated the performance characteristics, namely, the heating capacity, energy efficiency, and pressure drop, of a prototype of the developed heating system and found it to have satisfactory performance. The findings of this study will contribute to the development of heating systems for electric vehicles.

Keywords: PTC heating system; performance characteristics; heating power density; weight reduction; high voltage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
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