| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system capable of continuing the operation of a control device at an accident in an electric power plant or blackout, and capable of supplying electricity to the control device in the event of long-time blackout caused by a large-scale disaster such as an earthquake.SOLUTION: The power supply system includes: a control device having a detachable first battery mounted thereon; and equipment capable of charging a DC power supply to the first battery when the first battery is mounted on the control device. When the supply of DC power is stopped from the DC power supply through a distribution cable way, a circuit breaker switch is changed over from the DC power supply to the first battery, so that DC power is supplied from the first battery. |
