同步和异步电荷平衡式电压频率变换器误差分析  

Error Analyses of Asynchronous and Synchronous Voltage-Frequency Converters

作　　者：武义泉[1] 杨书生[1] 钟宜生[1] 

机构地区：[1]清华大学自动化系,北京100084

出　　处：《测控技术》2008年第5期37-40,共4页Measurement & Control Technology

基　　金：国家自然科学基金资助项目(60674017;60736024)

摘　　要：以VFC110和AD652为例,介绍异步和同步两种电荷平衡式电压频率变换器的工作原理、计数测频方案,进行变换误差分析,比较两种电压频率变换器的特点。The principle is stated of asynchronous and synchronous voltage-frequency converters with VFC110 and AI）652 as exampies. Several frequency measurement methods are proposed, and the error analyses of measurement methods are performed. Features are compared of the two kinds of voltage-frequency converters.

关 键 词：电压频率变换 电荷平衡 误差分析 

分 类 号：TM935[电气工程—电力电子与电力传动]