LFR发电系统中直流辅助电源的设计与实现  

Design and Implementation of DC AuxiliaryPower Supply in LFR Power Generation System

作　　者：王锐东 马军[1] 俞天智 WANG Rui-dong;MA Jun;YU Tian-zhi(National Engineering Research Center for Technology and Equipment of Environmental Deposition,Lanzhou Jiaotong University,Lanzhou 730070,China;Key Lab of Opt Electronic Technology andIntelligent Control of the Minisitry of Education,Lanzhou Jiaotong University,Lanzhou 730070,China)

机构地区：[1]兰州交通大学国家绿色镀膜技术与装备工程技术研究中心,兰州730070 [2]兰州交通大学光电技术与智能控制教育部重点实验室,兰州730070

出　　处：《兰州交通大学学报》2021年第6期69-74,共6页Journal of Lanzhou Jiaotong University

基　　金：国家自然科学基金(52066010);兰州交通大学青年科学基金(2017036)。

摘　　要：针对线性菲涅尔式太阳能热发电系统中对直流电源的需求,设计了一款基于UC2842的多路输出直流辅助电源.该电源输入为交流220×(1±0.10)V,直流输出分别为24 V、15 V、5 V,整个电路包括整流电路、功率变换电路、输出整流电路和控制电路等部分,并使用Saber软件对所设计的电源进行仿真验证.仿真结果表明,该直流辅助电源三路输出直流电压稳定,能够满足实际需求,可以为线性菲涅尔太阳能热发电系统的单片机、辐照度测试仪、隔离驱动电路、控制器等小功率器件提供可靠的直流工作电压.According to the demand for DC power in the linear Fresnel reflector(LFR)solar thermal power generation system,a multi output DC auxiliary power supply based on UC2842 was designed,which with an input of AC 220×(1±0.10)V and output of DC 24 V,15 V,5 V.The whole circuit includes rectifier circuit,power conversion circuit,output rectifier circuit and control circuit.The Saber software is used to simulate and verify the designed power supply.The results show that the three way output DC voltage of the DC auxiliary power supply is stable which can meet the actual needs,so that to provide reliable DC working voltage for linear Fresnel solar thermal power generation system during low power period such as single chip microcomputer,irradiance tester,isolation drive circuit,and controller.

关 键 词：太阳能 线性菲涅尔式 UC2842 直流辅助电源 SABER 

分 类 号：TK513.4[动力工程及工程热物理—热能工程]