Title:
POWER SYSTEM
Document Type and Number:
Japanese Patent JP2023139661
Kind Code:
A
Abstract:
To provide a power system of a simple configuration with versatility which prevents overcharge to prolong life of a secondary battery.SOLUTION: A power system 1 comprises: a charging unit 12 which converts input power into desired power and supplies at least a part of the converted power to a secondary battery 3 connected with an output side; a control unit 31 which controls the charging unit 12; and a measurement unit 21 which measures charge output, wherein the control unit 31 estimates an SOC value showing a charge state of the secondary battery 3 on the basis of a measured value and performs control for setting a power value of the charge output to a first power value preliminarily stored as the power value of the charge output as of when the SOC value is 100% when the estimated SOC value is a preset threshold or more.SELECTED DRAWING: Figure 1
Inventors:
ISHIBASHI HIROSHI
ONOHARA HAYATO
ONOHARA HAYATO
Application Number:
JP2022045303A
Publication Date:
October 04, 2023
Filing Date:
March 22, 2022
Export Citation:
Assignee:
NTT FACILITIES INC
International Classes:
H02J7/10; H02J7/04; H02J9/04
Attorney, Agent or Firm:
Nagoya International Patent Attorney Corporation