一种非车载充电机辅助电源LLC电路  

A LLC Circuit for Auxiliary Power Supply of Off-board Charger

作　　者：刘运欢 陆馗枢 LIU Yun-huan;LU Kui-shu(Zunyi Product Quality Inspection and Testing Institute,Zunyi 563000,China)

机构地区：[1]遵义市产品质量检验检测院,贵州遵义563000

出　　处：《电气开关》2025年第1期63-68,72,共7页Electric Switchgear

摘　　要：为提高非车载充电机辅助电源转换效率,介绍了一种应用在非车载充电机辅助电源后级电路上的LLC电路,详细分析了电路工作原理、开关损耗和传导损耗,对电路参数进行了优化设计,基于L6599芯片搭建了实验电路,额定条件下效率大于0.94,验证了设计的可行性和有效性。In order to improve the conversion efficiency of auxiliary power supply for off-board chargers,a LLC circuit applied to the post-circuit of auxiliary power supply for off-board chargers was introduced.The circuit working principle,switching loss,and conduction loss were analyzed in detail,and the circuit parameters were optimized.An experimental circuit was built based on L6599 chip,and the efficiency was over 0.94 under rated conditions.The experimental results verify the feasibility and effectiveness of the design.

关 键 词：非车载充电机辅助电源 转换效率 半桥LLC电路 

分 类 号：TM461[电气工程—电器]