Power grid metering automation terminal system and communication positioning method

The invention discloses a power grid metering automation terminal system and a communication positioning method. The power grid metering automation terminal system comprises a metering automation terminal device and a communication module, and the metering automation terminal device is connected with an interface module of the communication module through a transmission line. The communication module is provided with a private network communication unit and a public network communication unit, automatic and accurate positioning of the metering automation terminal system can be achieved, and meanwhile uploading communication of power grid metering data is not affected. 本发明公开了一种电网计量自动化终端系统及通信定位方法，其中电网计量自动化终端系统，包括：计量自动化终端装置和通信模组，所述计量自动化终端装置通过传输线路与通信模组的接口模块连接。通信模组设置专网通信单元和公网通信单元，能够实现计量自动化终端系统的自动准确定位，同时不影响电网计量数据的上传通信。