| 摘要 |
The invention related to an electric power source which is intended to be connected to an electric charge by means of a removable connected cable. The inventive source comprises: a controllable electrical power conversion circuit which is used to convert an electrical output signal, at least one characteristic of said electrical output signal being controllable; a control circuit for the controllable power conversation circuit which is sued to control said at least one characteristic of the electric output signal according to a selection code that is representative of the requirements of the connected charge; and a cable presence detection circuit which can deliver a signal indicating the absence of the connecting cable in order to obtain, at the output of the power conversion circuit, a common pre-determined quiescent value for said at least one characteristic of the output signal.
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