POWER SYSTEM FOR HYBRID ELECTRIC VEHICLE, CAPABLE OF IMPROVING FUEL EFFICIENCY BY CUTTING OFF POWER BEING SUPPLIED TO ELECTRICAL COMPONENT RELATED ONLY TO ENGINE OPERATION IN CASE OF ENGINE STALL, AND METHOD FOR CONTROLLING THE SAME

PURPOSE: A power system for a hybrid electric vehicle and a method for controlling the same are provided to achieve improved fuel efficiency by cutting off the power being supplied to the electrical component related only to an engine operation in case of engine stall. CONSTITUTION: A power system c...

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Bibliographic Details
Main Author SONG, SEONG JAE
Format Patent
LanguageEnglish
Korean
Published 14.01.2005
Edition7
Subjects
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
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Summary:PURPOSE: A power system for a hybrid electric vehicle and a method for controlling the same are provided to achieve improved fuel efficiency by cutting off the power being supplied to the electrical component related only to an engine operation in case of engine stall. CONSTITUTION: A power system comprises a first relay(22) and a second relay(24) connected in serial with each other between a battery(20) and each of electrical components(28,30). The electrical component required for operation of a vehicle is connected to a rear end of the first relay. The electrical component which does not operate in case of engine stall is connected to a rear end of the second relay.
Bibliography:Application Number: KR20030045720