Circuit arrangement for e.g. motor car, has switching element coupled to connection unit and pre-charge circuit in switch positions, where pre-charge circuit is provided with ohmic resistor and inductor that are connected in series

摘要

The arrangement (10) has an energy storage (200) provided with two connection parts (A1, A2), and a series connection part provided with a pre-charge switching element (S V) and a pre-charge circuit (300). The series connection part is arranged parallel to a main switch (S H1), and the pre-charge switching element is electrically coupled to one of the connection parts of the energy storage and the pre-charge circuit in switch positions. The pre-charge circuit is provided with an ohmic resistor (R V) and an inductor (L V) that are connected in series. Independent claims are also included for the following: (1) a method for operating a circuit arrangement for a motor car (2) a device for operating a circuit arrangement for a motor car, comprising a pre-charge switching element.