半桥LLC谐振式通信电源设计  

Design of Half-Bridge LLC Resonant Communication Power Supply

作　　者：应荣辉 YING Ronghui(Shangyu District Vocational Secondary School of Shaoxing City,Zhejiang Province,Shangyu 312300,China)

机构地区：[1]浙江省绍兴市上虞区职业中等专业学校,浙江上虞312300

出　　处：《通信电源技术》2021年第21期57-59,共3页Telecom Power Technology

摘　　要：在互联网高速发展的背景下,人们对实时通信的速度、稳定性要求不断提升。由于通信电源的运行效率决定了通信系统的运行效率,因此通信电源设计受到业界普遍关注。基于此,研究一种更加高效可靠的通信电源。采用有源功率因数校正(Active Power Factor Correction,APFC)电路+软开关DC/DC变换器两级电路结构,第一级为Boost有源功率因数校正电路,工作模式为CCM模式,可有效降低输入电流的谐波含量;第二级采用半桥逻辑链路控制(Logical Link Control,LLC)谐振变换器,使用谐振电路实现电压稳定输出。Under the background of the rapid development of the Internet,people's requirements for the speed and stability of real-time communication are constantly increasing.Since the operation efficiency of the communication power supply determines the operation efficiency of the communication system,the design of the communication power supply has received widespread attention in the industry.Based on this,a more efficient and reliable communication power supply is studied.Adopt active power factor correction circuit Active Power Factor Correction(APFC)+soft switching DC/DC converter two-stage circuit structure,the first stage is Boost active power factor correction circuit,the working mode is CCM mode,which can effectively reduce the harmonic content of the input current;The stage adopts a half-bridge Logical Link Control(LLC)resonant converter,which uses a resonant circuit to achieve voltage-stabilized output.

关 键 词：半桥逻辑链路控制(LLC)谐振 通信电源 有源功率因数校正(APFC) 变换器 

分 类 号：TM4[电气工程—电器]