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Distributed hybrid energy storage system configuration, charging and discharging method and device

A hybrid energy storage system, charging and discharging device technology, applied in circuit devices, battery circuit devices, current collectors, etc., can solve problems such as large current, and achieve the effects of optimizing configuration, saving economic costs, and improving economic benefits

Active Publication Date: 2020-02-04
SHENZHEN POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is inevitable that the energy storage unit will be charged and discharged continuously, and the charging and discharging current in a short period of time is relatively large.

Method used

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  • Distributed hybrid energy storage system configuration, charging and discharging method and device
  • Distributed hybrid energy storage system configuration, charging and discharging method and device
  • Distributed hybrid energy storage system configuration, charging and discharging method and device

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Embodiment Construction

[0031]The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, o...

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Abstract

The invention provides a configuration, charge and discharge method and device of a distributed hybrid energy storage system. The configuration method of the distributed hybrid energy storage system includes the steps of obtaining electricity information per unit time required for a load; obtaining power generation information per unit time of a power generation system; obtaining electric information provided by a lithium battery in unit time and electric information provided by a super-capacitor in unit time respectively; based on a optimal object, building a multi-objective optimization model to the required electricity information, the power generation information and the electric information provided by the lithium battery and the super-capacitor in unit time; obtaining optimized capacities of the lithium battery and the super-capacitor according to the multi-objective optimization model. Therefore, the configuration of the distributed hybrid energy storage system is optimized, economic benefits are improved and economic cost is saved.

Description

technical field [0001] The invention relates to the technical field of energy storage, in particular to a distributed hybrid energy storage system configuration, charging and discharging method and device. Background technique [0002] Energy storage technology has been more and more widely used in new energy, smart grid, energy-saving technology, electric vehicles and other fields. All of them can play an important role. It is currently recognized as the most effective technical means to solve the problems of high difficulty in grid connection and low grid acceptance caused by the intermittent and random nature of photovoltaic and wind power generation, and to adjust power quality. [0003] Energy storage technology is used in new energy, smart grid, electric vehicles and other fields. It mainly uses energy storage carriers to temporarily store electric energy and release it when needed. Since battery energy storage and supercapacitor energy storage technologies are curren...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/32H02J3/28H02J7/34
CPCH02J3/28H02J3/32H02J7/345H02J2203/20
Inventor 高素萍
Owner SHENZHEN POLYTECHNIC
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