智能电能表电磁兼容试验设备的问题分析与研究

Analysis and Research on Problem of Electromagnetic Compatibility Test Equipment for Smart Meter

为了能够满足国家标准对智能电能表抗干扰试验的要求,针对智能电能表浪涌和快速脉冲群抗干扰试验中遇到的实际问题,分析问题原因,提出了电阻补偿吸收有功功率方法,克服了电子式标准源不能在吸收有功功率状态工作的问题,利用智能电能表脉冲宽度判断法进行误差计算,克服了干扰试验时高频脉冲对检定装置的脉冲干扰。

In order to meet the requirements of national standards to the anti interference test of smart meter,this paper analyzes the problems causes,and introduces the practical problems encountered in the surge anti interference test and rapid pulse group anti interference test to the smart meter,introduces the proposed method for resistance compensation absorbing active power,in order to overcome the problem that the electronic standard source can not work in the active power state,and introduces the method of using pulse width of smart meter to estimate the error calculation,in order to overcome the pulse interference of high frequency pulse to the verification device in the interference test.