Abstract
New type semiconductors, for instance, SiC-based switching devices, have many performance advantages over Si-based devices, including faster switching and lower power dissipation. In this paper, a research of an application of SiC-based MOSFET in a battery charger for railway vehicles is introduced, focusing on the performances of the charger. This battery charger is designed based on a silicon-IGBT-based charger. The new SiC-based battery charger has the same input and output rating with the original charger, but there’s an increase of switching frequency from 15 to 50 kHz. Therefore, a comparison between the two chargers from the aspects of efficiency, volume and power density is provided in this paper. It can provide some technical support for the design and application of high-power-density battery chargers in the auxiliary power system of railway vehicles.
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Acknowledgements
This work was supported by the China National Science and Technology Support Program under Grant 2016YFB1200504-C-01, Beijing Science and Technology Major Project under Grant Z171100002117011.
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Kang, Y., Ji, Z., Yang, C., Qiu, R., Cao, X. (2018). Performance Comparison of Battery Chargers Based on SiC-MOSFET and Si-IGBT for Railway Vehicles. In: Jia, L., Qin, Y., Suo, J., Feng, J., Diao, L., An, M. (eds) Proceedings of the 3rd International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2017. EITRT 2017. Lecture Notes in Electrical Engineering, vol 482. Springer, Singapore. https://doi.org/10.1007/978-981-10-7986-3_37
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DOI: https://doi.org/10.1007/978-981-10-7986-3_37
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