A SiC Based 30kW Three-Phase Interleaved LLC Resonant Converter for EV Fast Charger
Conference: PCIM Europe 2022 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/10/2022 - 05/12/2022 at Nürnberg, Germany
doi:10.30420/565822029
Proceedings: PCIM Europe 2022
Pages: 6Language: englishTyp: PDF
Authors:
Wei, Chen; Hu, Zongzeng; Zhang, Fulin (Wolfspeed, China)
Shao, Jianwen; Narain, Anuj (Wolfspeed, USA)
Abstract:
This paper presents a SiC MOSFET-based 30kW three-phase interleaved LLC resonant 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. A digital controlled prototype with a switching frequency range of 135kHz-250kHz is demonstrated with 200Vdc-1000Vdc output voltage range, 6.5kW/L power density and exceeding 98% in peak efficiency.