POWER GRID MONITORING SYSTEM AND POWER GRID MONITORING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a power grid monitoring system and a power grid monitoring device capable of being constructed in a short period, capable of suppressing an increase in an investment cost including a wide area network, and further capable of avoiding the long period stoppage of grid operation arising from the stoppage of the monitoring device due to an unexpected disaster.SOLUTION: A power grid monitoring system 10 which is provided in a power grid comprises: a power router 21 for assigning an address for discriminating each power device connected to the power grid, and conveying power and information accompanying the power between specific addresses; an Internet circuit 22 connected to the power router 21 and mediating the power and the information accompanying the power; and a power grid monitoring device 25 connected to the Internet circuit 22 and monitoring the power grid on the basis of the power and the information accompanying the power.