与电网电压同步的基准正弦电路设计与实现  

Design and Realization of a Reference Sinusoidal Circuit Synchronous with Line Voltage

作　　者：李磊[1] 陈道炼[1] 胡育文[1] 

机构地区：[1]南京航空航天大学自动化学院,南京210016

出　　处：《南京航空航天大学学报》2003年第1期101-104,共4页Journal of Nanjing University of Aeronautics & Astronautics

基　　金：航空基础科学基金 ( 0 2 F5 2 0 2 7)资助项目

摘　　要：提出并分析研究了一种全数字化技术的、与电网电压同步的基准正弦电路 ,给出了关键电路参数设计准则。试验结果与理论分析一致。该基准电路具有输出正弦电压与电网电压同步、THD小、幅值可调但不受电网电压波动的影响、简单实用、价格低廉等优点 ,在高频交流环节 AC/AC变换系统、不间断电源系统 UPS中具有重要应用价值。A reference sinusoidal circuit based on digital technique and synchronous with the power system voltage is analyzed. The design criterion of the key circuit parameters is given. Experimental results agree with the theoretical analysis.The reference circuit has the advantages such as synchrony with the power system voltage, low THD, adjustable peak voltage which is free from the fluctuation of the power system voltage, simplicity and utility, low cost.The reference circuit has important applicative value in AC/AC conversion system with high frequency ac link and UPS.

关 键 词：高频交流环节 AC/AC变换系统 同步 基准正弦电路 

分 类 号：V242.2[航空宇航科学与技术—飞行器设计]