基于ATT7022A的多功能电能表设计

Multi-function Electrical Energy Meter Based On ATT7022A

给出了一种基于多功能三相电能专用计量芯片ATT7022A的多功能电能表实现方案。采用专用电能计量芯片测量各种电能参数,给出了系统原理图、采样电路和部分软件设计流程,阐述了设计过程中需要注意得问题和电能表软件校正得具体方法。经测试表明该系系统具有高精度、超低功耗、多功能等优点,具有较强的实用价值。

We proposed a project of multi-function electrical energy meter based on ATT7022A which is used to measure electrical parameters. Presented system principium, sampling circuit and flow chart, expounded the problems in design and electrical energy meter＇s emendation method. Experimental results showed that the system is high-precision, Ultra-low power, multi-function and it has strong practical value.