Process for operation of a PEM fuel cell unit
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United States of America Patent
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Aug 29, 2000
Issued Date -
N/A
app pub date -
Apr 1, 1999
filing date -
Oct 2, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A process for operating a PEM fuel cell unit containing at least one PEM fuel cell block and a speed-controlled compressor connected upstream. To control changing an electrical current I of the PEM fuel cell block to a new reference value I.sub.SN, a speed n of the compressor is set in a first step to a maximum value n.sub.M and in a second step is reduced to a speed n.sub.SN corresponding to the new reference value I.sub.SN. By this expedient improved dynamics for brief and rapid load changes are achieved.
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