Patent Number: 7,709,977

Title: Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network

Abstract: The invention relates to a method and apparatus for controlling and for setting the switching states of switches which are connected to the electrical poles or outputs of a fuel cell and which are followed by a network, which is fed from the fuel cell, and has loads. The invention is preferably suitable for use in a vehicle. The switches are opened if the fuel cell and/or the vehicle assume critical states.

Inventors: Jansen; Axel (Neidlingen, DE), Sonntag; Josef (Kirchheim, DE), Urban; Hubert (Ohmden, DE)

Assignee: NuCellSys GmbH

International Classification: H02J 1/00 (20060101); H01H 35/00 (20060101); H01H 47/00 (20060101); H01H 83/00 (20060101); H02H 3/00 (20060101)

Expiration Date: 5/04/12018