Alimetau00e7u00e3o unit to feed a device operated electrically with electrical power and / or electrical signal by means of elements for a contact connectors releasable means conectoresdedicados of electrically operated device, electrically operated device to cooperate with the Power supply unit.The electrical system and method for feeding a device operated electrically with electrical power and / or electrical signal by means of conctores elements for releasable contact means electrically operated device dedicated connectors)

摘要

The invention relates to a supply unit (10) for supplying an electrically operated device (12) with electrical power and/or an electrical signal by means of connector elements (22, 24, 26, 28) for a releasable contacting of dedicated connector means (30,32) of the electrically operated device (12). According to the invention the supply unit (10) comprises a measuring device (34) for measuring a parameter, which parameter is suitable for determining the presence of an external capacitance electrically interconnected between one element (22) and another element (24) of the connector elements (22, 24, 26, 28) of the supply unit (10) from said parameter. The invention further relates to the corresponding electrically operated device (12), an electrical system (20) comprising the supply unit (10) and the electrically operated device (12) as well as a method for supplying an electrically operated device (12) with electrical power and/or an electrical signal.