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The problem of converters coordination of a fuel cell system involving a hydrogen fuel cell with super-capacitors for applications with high instantaneous dynamic power is addressed in this paper. The problem is solved by using a non-linear controller based on passivity. The controller design is based on the interconnection and damping assignment approach, where the proof of the local system stability...
In this paper the authors propose a design strategy that utilizes the passivity concept and a load observer in order to develop combined controller-observer systems for coordination of converters in a Fuel Cell System. The controller-observer tuning is constructed such that the fuel cell current variation is less than a maximal value in order to ensure a good state of health of the fuel cell.
This paper deals with the corrective action with a power converter for a 100kW multiple fuel cells (FC) generator under fault and used for vehicle propulsion, or high power onboard electrical assistance. The objective is to permit, through the power converter and its control strategy, a soft shut-down of a FC stack in fault and guarantee a continuous of operation at a reduced power, acceptable by...
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