FIELD: electricity.
SUBSTANCE: system (100) of a fuel element includes a fuel element (1) for energy generation by implementation of electrochemical reaction between an oxidant gas supplied to an electrode (34) of an oxidant, and fuel gas supplied to a fuel electrode (67); a system (HS) of fuel gas supply to supply fuel gas to the fuel electrode (67); and a controller (40) to control the system (HS) of fuel gas supply, in order to supply fuel gas to the fuel electrode (67), besides, the controller (40) implements variation of pressure, when the outlet of the side of the fuel electrode (67) is closed, at the same time the controller (40) periodically varies pressure of fuel gas at the fuel electrode (67) on the basis of the first profile of pressure variation for realisation of pressure variation at the first pressure sweep (PS1).
EFFECT: improved characteristics of a fuel element system.
23 cl, 22 dwg
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