Electricity storage system

A technology of power storage system and power storage unit, which is applied in the field of power storage system, can solve the problems of life, charge and discharge characteristics decline, etc., and achieve the effect of suppressing the decline of life, suppressing life, and suppressing the rise of temperature

Active Publication Date: 2017-12-01
FDK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a possibility that the battery and other structural components in the power storage system may decrease in service life and charge-discharge characteristics due to temperature rise.

Method used

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Examples

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Embodiment Construction

[0031] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0032] figure 1 It is a schematic diagram showing the configuration of the power storage system of the present invention. The power storage system 100 includes a plurality of power storage units 1 and a system control unit 2 . The electric storage unit 1 includes a plurality of charging and discharging circuits 11 , a plurality of storage units 12 ( 12 a to 12 i ), and a plurality of unit control units 13 .

[0033] Power storage unit 1 receives electric power supplied from external power supply 200 , supplies the received electric power to load device 300 , and supplies it to multiple charging and discharging circuits 11 . The external power source 200 may be, for example, a commercial power source, or a power source from natural energy sources such as sunlight and wind power.

[0034] Charge and discharge circuits 11 serving as “charge and discharge units” are resp...

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Abstract

This electricity storage system is provided with: a plurality of electricity storage sections 12 disposed parallel to each other; a plurality of charge / discharge circuits 11 that charge / discharge the electricity storage sections 12 individually; and a system control section 2 that controls the charge / discharge circuits 11. The system control section 2 controls the charge / discharge circuits 11 such that the electricity storage sections 12 adjacent to each other in the vertical, horizontal and front-rear directions are not charged or discharged at one time.

Description

technical field [0001] The present invention relates to a power storage system using a plurality of storage batteries. Background technique [0002] A power storage system is used as one means of power supply during a power outage and power peak shaving. In general, a power storage system charges electric power from a commercial power source or natural energy to an aggregate of storage batteries of a number corresponding to a desired power amount, and supplies power to loads as needed. The chemical reaction during charging and discharging of the battery generates heat, so the temperature of the battery rises when the power storage system is in operation. However, there is a possibility that the service life and charge-discharge characteristics of the storage battery and other components in the power storage system may decrease due to temperature rise. Therefore, the storage battery of the power storage system needs countermeasures against heat generation, and many cooling ...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H02J7/00H01M10/44H01M10/613
CPCH01M10/441H02J7/0024H01M10/617H02J7/0025H02J7/0063Y02E60/10H01M10/425H01M2010/4271H01M10/4207H02J7/00309H02J7/04H02J7/0069H01M10/613H01M10/44H02J7/02
Inventor隈本清敬斋藤洋祐花川健二山崎光彦小川友辅
OwnerFDK CORP