Wind power energy storage system with measurement-control equipment and control method therefor

A technology of energy storage system and measurement and control equipment, which is applied in the direction of current collectors, electric vehicles, electrical components, etc., to achieve the effect of increasing power storage, simple structure, and low cost

Inactive Publication Date: 2016-09-07
深圳智慧能源技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the research, the system effect of battery internal resistance and state of charge, a pair of related variables, has not been fully valued. The industry hopes to find a technology that can increase the system's stored power, effectively prolong the service life of the battery pack, and reduce the system's power generation cost. Program

Method used

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  • Wind power energy storage system with measurement-control equipment and control method therefor
  • Wind power energy storage system with measurement-control equipment and control method therefor
  • Wind power energy storage system with measurement-control equipment and control method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A low-power wind power energy storage system is designed, which consists of a 100W wind power module 1, two 12V100Ah lead-acid maintenance-free battery packs 4 connected in series, and the measurement and control equipment 11.

[0065] The measurement and control equipment 11 includes a measurement and control device 2, a wind power input terminal 3, a power output interface 5, and a wind power acquisition device 6. The measurement and control device 2 is electrically connected to the power output terminal of the wind power component 1 through the wind power input terminal 3; control logic switch, the measurement and control device 2 is connected to the three external terminals of the two batteries in series through the three electric control logic switches of the power output interface 5, that is, the two ends of the battery pack 4 connected in series with the two batteries in series and the two terminals of the two batteries in series The middle tap end, its local conn...

Embodiment 2

[0072] Change the two 12V100Ah lead-acid maintenance-free storage batteries described in Example 1 into four 6V100Ah lead-acid maintenance-free storage batteries, and connect the four batteries in series to form the two extremes of the storage battery pack 4 and the three series taps in the middle, totaling five The external terminal; the power output interface 5 is correspondingly composed of 5 electronically controlled logic switches, and the measurement and control device 2 is respectively connected to the two extremes of the battery pack with 4 batteries connected in series and the middle 3 series tap terminals through the 5 electrically controlled logic switches. The connection method of the 5 electronically controlled logic switches and the 5 external terminals of the battery pack connected in series, and the rest of the connection methods of the wind power energy storage measurement and control equipment and the energy storage system are similar to those in Embodiment 1. ...

Embodiment 3

[0076] Embodiment 2 is further modified, and four 6V100Ah lead-acid maintenance-free batteries are replaced by twelve 2V100Ah single lead-acid batteries, and each single battery is connected in series externally, and the external series connection of the single battery is also used as a battery The external terminal of the module; the power output interface 5 is correspondingly designed to be composed of 13 electronically controlled logic switches, and its connection method with the 13 external terminals of 12 single batteries is similar to that of Embodiment 2.

[0077] In this embodiment, the 13 electronically controlled logic switches of the power supply output interface 5 perform corresponding on / off combinations under the programming control of the measurement and control device 2, so that the charging intensity of the single battery can be realized indirectly when the wind energy is weaker. Improvement, to further utilize the electric energy obtained by the wind power com...

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Abstract

The invention discloses a wind power energy storage system with measurement-control equipment and a control method therefor. The wind power energy storage system comprises a wind power assembly, a storage battery pack and the measurement-control equipment, wherein the measurement-control equipment comprises a measurement-control apparatus, a wind power input end, a power supply output interface and a wind power acquisition apparatus; the measurement-control apparatus is connected with the wind power input end and the power supply output interface; the wind power acquisition apparatus is connected with the wind power input end and the measurement-control apparatus; the power supply output interface comprises multiple electric control logic switches, and is connected with the two ends of the storage battery pack and the serially-connected tapping end in the storage battery pack; and the storage battery pack comprises at least two battery modules, and the serially-connected interfaces are equipped with external ends. According to the wind power energy storage system, the combination state of the power supply interface can be changed under the set measurement-control logic so as to realize the intelligent charging on the storage batteries. The service life of the storage batteries of the wind power energy storage system can be prolonged, and the reserve of electricity of the system can be increased.

Description

technical field [0001] The invention relates to the design field of energy storage systems for wind power generation, in particular to a wind power energy storage system with measurement and control equipment and a control method thereof. Background technique [0002] The application of wind power is a hot spot in the development of new energy. Wind power components, also known as wind power generators, are a technology that directly converts wind energy into electrical energy by utilizing the change of magnetic flux of coil windings in wind energy devices; wind power generation systems in a narrow sense refer to wind power components, control Inverter and inverter are three parts, not involving battery and mechanical parts. [0003] Wind power generation system is divided into independent wind power generation system, grid-connected wind power generation system and distributed wind power generation system, among which independent wind power generation is also called off-gri...

Claims

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Application Information

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IPC IPC(8): H02J7/14H02J7/00
CPCH02J7/14H02J7/0013H02J7/007
Inventor 刘粤荣刘曦
Owner 深圳智慧能源技术开发有限公司
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