FUEL CELL HYBRID SYSTEM

A fuel cell hybrid system includes a fuel cell pack and a hybrid battery pack. The hybrid battery pack includes a high voltage battery, a low voltage battery, a bidirectional converter to perform power conversion between the high and low voltage batteries, and a battery manager. The battery manger e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SONG, IN-SEOB, PARK, JEONG-KURN, KIM, DONG-RAK, CHOI, JONG-ROCK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A fuel cell hybrid system includes a fuel cell pack and a hybrid battery pack. The hybrid battery pack includes a high voltage battery, a low voltage battery, a bidirectional converter to perform power conversion between the high and low voltage batteries, and a battery manager. The battery manger enters a low temperature charging mode based on an internal temperature of the hybrid battery pack, and charges one of the high or low voltage batteries using the other of the high or low voltage batteries through the bidirectional converter in the low temperature charging mode. The battery manager may perform the charging operation based on a state of charge of each of the batteries. The fuel cell pack may supply power to a motor of a vehicle, and the hybrid battery pack may supply voltage to the motor and the fuel cell pack.