| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide, at a low cost, a power monitoring device or a power monitoring system capable of determining a portion consuming a large amount of electric power in a device to be monitored, or determining a device to be monitored consuming a large amount of electric power in a plurality of devices to be monitored.SOLUTION: A power monitoring device includes: a first data input part for receiving a measurement value of a first voltage supplied from a power source to a first device to be monitored; a second data input part for receiving a measurement value of a first current supplied from the power source to the first device to be monitored or a measurement value of an electric power; a third data input part for receiving a measurement value of a second current supplied to a second device to be monitored which is supplied with an electric power from a power source with a voltage same as that of the power source; and a calculation part for obtaining the power consumption of the first device to be monitored on the basis of the measurement values of the first voltage and the first current or on the basis of the measurement value of the electric power, and calculating the power consumption of the second device to be monitored on the basis of the measurement values of the first voltage and the second current.</p> |
