Temperature control apparatus for electricity storage device for use in electricity storage system including electricity storage devices

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United States of America Patent

PATENT NO 9975447
SERIAL NO

15108181

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Abstract

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In a power storage system, a bidirectional DC-DC converter is set into mode for charging a secondary battery with electricity when a first state of charge (SOC) of the secondary battery is larger than a minimum value of the first SOC, and a second SOC of the capacitor is smaller than a maximum value of the second SOC, and the converter is set into mode for discharging electricity from the secondary battery when the first SOC is smaller than a maximum value of the first SOC, and the second SOC is larger than a minimum value of the second SOC. Based on an internal resistance of the secondary battery, the second SOC, a voltage of a direct current link in case of no load connected to DC link, and an error in a current on a direct current link side, a conduction ratio (D) of the converter is calculated.

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Patent Owner(s)

Patent OwnerAddress
KAWASAKI JUKOGYO KABUSHIKI KAISHA1-1 HIGASHIKAWASAKI-CHO 3-CHOME CHUO-KU KOBE-SHI HYOGO 650-8670

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bando, Soichiro Kakogawa, JP 10 70
Hayashi, Masato Kobe, JP 101 889
Kataoka, Mikihiko Kobe, JP 3 32
Ohno, Tatsuya Nishinomiya, JP 9 69
Tokushige, Takayuki Kobe, JP 2 25

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