SELF DIAGNOSTIC ELECTRONIC WATT-HOUR METER AND ELECTRONIC WATT-HOUR METER MANAGEMENT SYSTEM USING THE SAME

摘要

The present invention is a self-diagnosis type electronic power meter, comprising: a controller for calculating power metering data; A communication unit for transmitting the power metering data calculated by the controller to a central management server; A power supply unit supplying power to the controller and the communication unit; A protection device coupled to one end of the power supply to protect the device from surge inflow; And at least one sensor that senses the protection device to generate status information of the protection device, and the communication unit transmits the status information of the protection device to the central management server.