| 摘要 |
An energy supply device with connection portion for an energy source and an energy consumer. The energy supply device is arranged to feed energy from an energy source to an energy consumer, and also comprises energy storage for supplying a connected energy consumer with energy in the event of an interruption of energy supply. There is also a control unit and sensing portion for sensing an energy flow to and/or from the energy storage portion. The sensing portion is connected to the control unit which detects a power disturbance if there is an energy flow from the energy storage portion during a predefined length of time. |
