基于自动均流的大功率LED驱动电源的研究  

High Power LED Driving Power Supply Based on Automatic Current Sharing Research

作　　者：赵征 王亚楠 ZHAO Zheng;WANG Yanan(Xi'an Traffic Engineering Institute,Xi'an,710300,China)

机构地区：[1]西安交通工程学院,西安710300

出　　处：《西安交通工程学院学术研究》2021年第2期6-9,共4页Academic Research of Xi'an Traffic Engineering Institute

摘　　要：在升压斩波电路中,通过利用平衡电容简化驱动电路拓扑,来解决大功率LED驱动电源并联均流问题,改善供电可靠性,提高供电效率。本文通过对平衡电容参数进行设计,提出一种能够实现自动均流的大功率LED驱动电源控制策略,并通过PSIM仿真软件验证其可行性。In the boost chopper circuit,the topology of the driving circuit is simplified by using the balance capacitor to solve the problem of parallel current sharing of high-power LED driving power supply,improve the power supply reliability and efficiency.In this paper,through the design of the balance capacitor parameters,a power supply control strategy for high-power LED driver that can realize automatic current sharing is proposed,and its feasibility is verified by PSIM simulation software.

关 键 词：单级PFC LLC谐振 自动均流 

分 类 号：TK-9[动力工程及工程热物理]