1) V/F C(Voltage/Frequency Convertor)
电压/频率转换器(VFC)
2) frequency/voltage converter
频率/电压转换器
1.
The shortcoming in technique in the speed measuring system of film-type wall-welder is analyzed, the improving method proposed based on its opetalion principle, the advantages of frequency/voltage converter and how to be used dealt with.
分析了膜式壁焊机测速系统存在的技术问题，并根据它的工作原理，提出了对测速系统的改进方法，论述了频率／电压转换器方法的优点和实现方法。