| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooperation system using photovoltaic power generation and a storage battery capable of supplying stable power in autonomous operation.SOLUTION: A control unit 2 executes: adjustment control of making voltage levels and phases of respective autonomous output of a PV power converter 4 and storage battery power converter 6 coincide with each other; and, after that, autonomous operation control of supplying power to an autonomous operation outlet 8 by connecting the respective autonomous output in parallel. When being executing the autonomous operation control, the control unit 2 determines presence/absence of output on the PV power converter 4 side on the basis of a detection value of a voltage detector 7. When determining that the output on the PV power converter 4 side stops, the control unit 2 temporarily stops the autonomous operation control. After that, the control unit 2 determines presence/absence of output resumption on the PV power converter 4 side on the basis of a detection value of the voltage detector 7. When determining that the output on the PV power converter 4 side has resumed, the control unit 2 executes the adjustment control again and resumes the autonomous operation control. |
