具有测温功能的电压互感器校验仪设计与应用

Design and Application of Voltage Transformer Test Set With Function of Temperature Measurement

依据相关检定规程要求,对电压互感器进行现场校验时,需要对温度条件进行测量。提出一种电压互感器校验仪装置,可对现场实时温度进行采集和读取。装置主要由电子式互感器校验仪和温度测量装置组成,通过对温度测量装置的硬件部分进行设计,对互感器校验仪的误差进行了检定。按照实际使用条件分别进行验证性试验,温度显示功能良好,在现场电压互感器的校验中具有较好应用前景。

According to the requirements of relevant verification regulations,the voltage transducer should be tested on site under a controlled temperature condition.A voltage transducer calibrator device is proposed for monitoring the on-site temperature.The device consists of electronic transformer calibrator and temperature measuring device.Via hardware design of the temperature measuring device,the error of the transformer calibrator is verified.The verification tests were carried out in real working environment,which shows satisfactory result of temperature display function.