전력선 통신과 공중 전화망에 의한 전력량의 원격 검침 시스템의 개발

Development of the Remote Meter Reading System Using a Power Line Communication and PSTN

This paper has studied a remote AMR(Automatic Meter Reading) system using the power line and the telephone line as a communication media and the digital power meter. In the developed system, because we have used the power line and telephone, the facility is very easy and then its cost is not expensive. The system includes following elements: a digital power meter, an indoor communication system using a power line modem and a telephone line interface system for sending data to the utility company.