FUEL CELL SYSTEM

PROBLEM TO BE SOLVED: To improve operation efficiency of a fuel cell while securing a request output to the fuel cell.SOLUTION: A control device 24 of a fuel cell system 10 sets a request output of a fuel cell stack 11 required according to a current power request, and predicts a current according t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIDAKA YOHEI, FUKUMA KAZUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve operation efficiency of a fuel cell while securing a request output to the fuel cell.SOLUTION: A control device 24 of a fuel cell system 10 sets a request output of a fuel cell stack 11 required according to a current power request, and predicts a current according to the request output and a temperature of the fuel cell stack 11 from a preset and predetermined output status map. The control device 24 sets an operation status amount according to the predicted current and the temperature of the fuel cell stack 11 from a preset and predetermined operation status amount map. The control device 24 sets the operation status amount to at least any one of a pressure at an air supply port 11a of air supplied to a cathode electrode of the fuel cell stack 11, air utilization ratio at the cathode electrode, a flow rate of a cooling medium cooling the fuel cell stack 11, and a humidity of the air at the air supply port 11a.