An integrated onboard charger and accessory power converter using WBG devices
作者： Gui-Jia Su , Lixin Tang
DOI: 10.1109/ECCE.2015.7310544
关键词:
摘要: Integrating the function of onboard battery charging into traction drive system and accessory dc-dc converter in plug-in electric vehicles (PEVs) is shown to significantly reduce cost increase power density chargers due a substantially reduced component count. Replacing silicon (Si) based devices with wide-band-gap (WBG) can further efficiency lower as WBG device technology matures production volume increases. This paper presents bidirectional integrated charger (OBC) using carbide (SiC) MOSFETs Schottky Barrier Diodes (SBDs). The galvanically isolated OBC formed by segmented PEV frond phase shifted dual-active full-bridge (PHDAFBC) that comprised transformer high voltage 14 V an additional converter. Experimental results for 6.8 kW prototype implemented on 90 SiC inverter PHDAFBC included.
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