基于智能电能表通信接口带载能力测试电路的设计与研究

Design and Research Based on Circuit for Measuring Loading Capacity of Electric Energy Meter Communication Interface

针对智能电能表通信接口带载能力测试存在的问题,提出了智能电能表通信接口不同测试功能的电路设计方案,分别对智能电能表通信接口带载能力测试电路和智能电能表通信模块电源电压幅值、输出电流测量电路进行详细的分析,并对两种电路的优缺点进行比较分析,通过试验论证了这2种不同功能测试电路的可行性。

This paper proposes the necessity of measuring the loading capacity of the smart meter communication interface,and set forth the circuit design of the different testing capabilities of the smart meter communication interface in detail,analyzed and explained a circuit for measuring the power supply ripple of the smart meter communication module and a circuit for measuring the power supply voltage amplitude,output current of the smart meter communication module in detail,illustrated the advantages and disadvantages of these two circuits,and the feasibility of the two different functions of the test circuit has been demonstrated after the tested.