ELECTRIC ENERGY MEASUREMENT SYSTEM, ELECTRIC ENERGY MEASUREMENT METHOD, AND ELECTRIC ENERGY MEASUREMENT DEVICE

摘要

To measure electric energy transferred between a power storage device and a power network with high accuracy.SOLUTION: A server executes processing including: a step (S102) of transmitting an execution command of first charge control when a base line is constant (YES at S100); a step (S106) of calculating electric energy transferred between a battery and a power network during the first charge control; a step (S110) of transmitting an execution command of second charge control; a step (S114) of calculating electric energy transferred between the battery and the power network during the second charge control; a step (S118) of transmitting an execution command of first power supply control; a step (S122) of calculating electric energy transferred between the battery and the power network during the first power supply control; a step (S126) of transmitting an execution command of second power supply control; a step (S130) of calculating electric energy transferred between the battery and the power network during the second power supply control; and a step (S138) of setting a calibration curve of the electric energy.SELECTED DRAWING: Figure 3