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http://dx.doi.org/10.5370/KIEEP.2012.61.2.059

Analysis and Evaluation of Buck Converter with LC Input Filter for a PTC Heater in the Electric Vehicle  

Jeon, Yong-Sung (인하대 공대 전기공학과)
Shin, Hye-Su (인하대 공대 전기공학과)
Chae, Beom-Seok (인하대 공대 전기공학과)
La, Jae-Du (인하공업전문대학 전기정보과)
Kim, Young-Seok (인하대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.61, no.2, 2012 , pp. 59-66 More about this Journal
Abstract
Recently, the market of Electric Vehicle(EV) is increasing more and more than before. Thus a new heater for the EV is required. The PTC devices may be used the heater for the EV. In this paper, a simple DC-DC Converter is proposed as the PTC Heater for the EV. The proposed circuit was optimally desired to decrease the stress of the power devices and reduce the current ripples. To apply the result of the test in the laboratory to the actual EV system with the high DC voltage, ripple current, average current and output peak current are predicted by using the least-squares method. Finally, the proposed circuit is validated by various experiments.
Keywords
Electric vehicle; PTC heater; DC-DC converter; HVAC system; Input filter;
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