摘要
介绍并分析研究了一种采用数字化技术的、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、幅值可调且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 line voltage is proposed and investigated. The design criterion of the key circuit parameters is given. The experimental results agree with the theoretical analysis. The reference circuit has the advantages such as synchronous with the line voltage, low THD , adjustable peak voltage free from the fluctuation of the line voltage, simplicity and utility, low cost. The reference circuit has important applicative value in the AC/AC conversion system with high frequency ac link and UPS.
出处
《电力电子技术》
CSCD
北大核心
2002年第1期23-25,共3页
Power Electronics
基金
国家自然科学基金 (5 99770 10 )
江苏省自然科学基金 (BK9912 1)
