Patent ID: 7705490
Filing Date: 2010-04-27
Classification: H02M

Abstract:
1. A fuel cell circuit, comprising: a first fuel cell segment having positive and negative terminals; a second fuel cell segment having positive and negative terminals; a neutral line; a third fuel cell segment having positive and negative terminals; a fourth fuel cell segment having positive and negative terminals, wherein the negative terminal of the third fuel cell segment is electrically connected to both the positive terminal of the fourth fuel cell segment and the neutral line; a first direct current-to-direct current (DC/DC) converter electrically connected to the positive terminal of the first fuel cell segment and a second DC/DC converter electrically connected to the negative terminal of the second fuel cell segment; and a third DC/DC converter electrically connected to the positive terminal of the third fuel cell segment and a fourth DC/DC converter electrically connected to the negative terminal of the fourth fuel cell segment; wherein an output of the first DC/DC converter is electrically connected to an output of the third DC/DC converter and to a first input of an inverter.