Method and arrangement for improved controllability of fuel cell stacks
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United States of America Patent
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Sep 27, 2016
Grant Date -
Jul 12, 2012
app pub date -
Jan 9, 2012
filing date -
Jul 8, 2009
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Abstract
Exemplary systems and methods for adjusting current values in a fuel cell system for producing electricity with fuel cells, include drawing major part of the current from at least one serial connection. An adjusting circuit adjusts current values by drawing or supplying current of at least one stack of individual fuel cell stacks or current of at least one group of the groups of stacks within the serial connection. The adjusting circuit is integrated with the at least one stack of individual fuel cell stacks or with the at least one group of the groups of stacks. Compensation current of the at least one stack or group is a small percentage of a major part of the current in the serial connection of stacks.
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