A SiC Based 60kW Three Phases Interleaved LLC Converter for EV Fast Charger
Conference: PCIM Europe 2023 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/09/2023 - 05/11/2023 at Nürnberg, Germany
doi:10.30420/566091309
Proceedings: PCIM Europe 2023
Pages: 6Language: englishTyp: PDF
Authors:
Wei, Chen; Hu, Zongzeng; Chen, Jianlong; Zhang, Fulin; Zhan, Haiming (Wolfspeed, China)
Narain, Anuj (Wolfspeed, USA)
Abstract:
This paper presents a SiC MOSFET-based 60 kW three phases interleaved LLC converter for Electric Vehicle (EV) fast charger, with high efficiency, high power density and wide output voltage range. A flexible gain control scheme of the three phase LLC resonant converter is studied. Paralleling MOSFETs design is verified. A digital controlled prototype with a switching frequency range of 125kHz-250kHz is demonstrated with 200Vdc-1000Vdc output voltage range and exceeding 98% in peak efficiency.