| 摘要 |
PROBLEM TO BE SOLVED: To provide a system interconnection apparatus capable of achieving stable availability of a storage battery for an electric vehicle even under a state where a power supply for generating electric power using renewable energy is paralleled off from a power system.SOLUTION: The system interconnection apparatus 100 includes: power generation means (PV2, PV-PCS3) for generating AC power using renewable energy and supplying the generated power in conjunction with a system power supply 1; charging means (EV-PCS5) of a storage battery; first switching means (SW10) that detaches the power generation means, charging means and an in-house load 6 from the system power supply 1 when abnormality of the system power supply 1 is detected; and second switching means (SW12, SW22, SW31) for detaching the in-house load from the power generation means while maintaining a connection state between the power generation means and the charging means. |
