POWER STORAGE SYSTEM AND METHOD OF CONTROLLING THE SAME

A method of controlling a power storage system for supplying power to a load from a power generation system, a battery, and a grid includes: when power failure occurs in the grid, determining whether duration of the power failure is more than a standard duration; if the duration of the power failure...

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Bibliographic Details
Main Author LEE SUNG-IM
Format Patent
LanguageEnglish
Published 25.08.2011
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A method of controlling a power storage system for supplying power to a load from a power generation system, a battery, and a grid includes: when power failure occurs in the grid, determining whether duration of the power failure is more than a standard duration; if the duration of the power failure is more than the standard duration, determining a state of charge of the battery; and when the power failure of the grid has ended, if the duration of the power failure is less than the standard duration or if the state of charge of the battery is equal or more than a standard value, performing a first power failure returning mode; and if the charging condition of the battery is less than the standard value, performing a second power failure returning mode. Accordingly, the power storage system performs a stable operation and prevents lifespan shortening of the battery.
Bibliography:Application Number: US20100980224