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Crane i.e. large mobile electrically operated crane, has energy storage unit arranged locally on crane, and drive motor connected to power consumer system for operating crane component in response to energy fed into power consumer system
Crane i.e. large mobile electrically operated crane, has energy storage unit arranged locally on crane, and drive motor connected to power consumer system for operating crane component in response to energy fed into power consumer system
The crane has a power consumer system (31) utilized for providing energy. A primary energy source (12) is utilized for feeding primary energy to the power consumer system. A secondary energy source is utilized for feeding secondary energy to the power consumer system. An energy storage unit (60) is arranged locally on the crane associated with a crane component (43), and connected to the power consumer system for storing the primary energy and/or secondary energy. A drive motor is connected to the system for operating the component in response to energy fed into the system. The secondary energy source is battery energy source. An independent claim is also included for a method for operating a crane.
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