关口电能表多回路自动控制与检测装置的研究

Research on multi-loop automatic control and detection device of gateway electric energy meter

为提升关口电能表数据分析,提高工作效率,设计了一种关口电能表多回路自动切换装置,对不同线路的二次电流、二次电压及电能表脉冲信号进行自动切换,达到自动读取各个线路相关信息的目的。首先,对几种可能的切换方案进行了分析,明确各个方案的优缺点;其次,设计了一套安装于关口变电站计量屏柜中的关口电能表自动切换装置,实现了不同线路运行关口电能表二次回路自动控制,并对研发的装置进行指标分析;最后,研究了自动检测装置,实现了各种电能计量自动化设备性能、功能和通信的一体化智能检测。

In order to improve the data analysis of the gateway electric energy meter and improve the work efficiency,a multi-circuit automatic switching device of the gateway electric energy meter is designed to automatically switch the secondary current,secondary voltage and meter pulse signal of different circuits to automatically read relevant information of each circuit.Firstly,several possible switching schemes were analyzed,and the advantages and disadvantages of each scheme were clarified;secondly,a set of automatic switching device for the gateway electric energy meter installed in the metering panel of the gateway substation was designed to realize the operation of the gateway electric energy meter for different lines.The secondary loops are automatically controlled,and the developed device indexes are analyzed.Finally,the automatic detection device is studied,and the integrated intelligent detection of the performance,function and communication of various electric energy metering automation equipment is realized.