核电站用高精度双通道电流/电压转换装置研究设计

Research and Design of a High Precision Double Channel Current/Voltage Conversion Equipment for Nuclear Power Plant

摘要:

核电站由诸多复杂系统组成,这些系统内部及系统相互之间经常进行信号传递和转换,而电流/电压转换功能模块是小信号转换最常用的功能模块,所研究设计的电流电压转换模块可以实现将两路即双通道输入的0~20 mA或4~20 mA转换为两路0~5 V或1~5 V信号输出,精度可达到0.2%,同时实现输入输出之间信号隔离,所设计模块精度高,延迟小,运行稳定可靠,安装使用方便,并已经在国内核电站成功应用并取得良好口碑。

Abstract:

A nuclear power plant consists of many complex systems,signal transmission and conversion inside and between these systems is often performed,the current/voltage conversion module is the most common small signal conversion function module,the new designed current/voltage can be used to convert two channel of 0-20 mA or 4-20 mA current signal to two channel corresponding 0-5 V or 1-5 V voltage signal,and the conversion accuracy can reach to 0.2%,meanwhile the conversion is isolated between the input and output signal. The new designed current/voltage conversion module is much more accurate,less delay time,more stabilization reliable operation,easier to install and use,the device has been successfully used in the nuclear power plant and achieved good reputation. 