800V平台车载充电系统PFC兼容设计可行性分析
Feasibility Analysis of PFC Compatible Design for 800V Platform Vehicle Charging System
电动汽车产业进入规模化快速发展新阶段，充电基础设施匮乏及充电速度慢等问题日益突出，提升充电功率，兼容充电设施成为焦点。文章对800V电压平台三相车载充电系统功率因数校正电路(PowerFactor Corection,PFC)进行设计分析，旨在提升慢充功率及兼容性，并对充电模式和放电模式进行仿真分析，在某车型上制作样机验证，最终得出一种适合车载单相/三相大功率双向变换PFC电路设计方案，为后续量产设计提供参考。
The electric vehicle industry has entered a new stage of large-scale rapid development,and the problems such as lack of charging infrastructure and slow charging speed have become increasingly prominent.So,improving charging power and compatible charging facilities have become the main focus.Based on the Power Factor Correction(PFC)circuit of the three-phase vehicle charging system with 800V voltage plat form,the design and analysis of PFC are carried out to improve the slow-charge power and compatibility.With the charging mode and discharge mode are analyzed,and verifying with Prototype verification.Finally,the PFC circuit design scheme that satisfy needs of single-phase/three-phase high-power bidirectional conversion circuit,which provides a reference for the production design.
电动汽车 / 800V高压系统 / 车载充电系统 / 单相/三相PFC电路 / 双向功率变换
electric vehicle / 800V high voltage platform / on-board charging system / single phase/three phase PFC circuit / bidirectional power conversion
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广西重点研发计划(桂科AB22362)、柳州市科技计划项目(2022ABA0103)。
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