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Measurement and control equipment for wind power storage, energy storage system and control method of measurement and control equipment

A technology of measurement and control equipment and wind power is applied in the field of energy storage systems to achieve the effects of simple structure, increased power storage, and improved efficiency

Inactive Publication Date: 2016-08-31
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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  • Measurement and control equipment for wind power storage, energy storage system and control method of measurement and control equipment
  • Measurement and control equipment for wind power storage, energy storage system and control method of measurement and control equipment
  • Measurement and control equipment for wind power storage, energy storage system and control method of measurement and control equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Design a low-power measurement and control equipment for wind power energy storage system, and use this equipment together with two 12V100Ah lead-acid maintenance-free batteries and 100W wind power components to form a wind power energy storage system.

[0067] The measurement and control equipment 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; It is composed of logic switches. The measurement and control device 2 is connected to the three external terminals of the two batteries in series through the three electronically controlled 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 terminals of the two batteries in se...

Embodiment 2

[0074] 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

[0078] Embodiment 2 is further modified, and four 6V100Ah lead-acid maintenance-free batteries are replaced by twelve 2V100Ah single lead-acid batteries. The external terminal of the battery module; the power output interface 5 is correspondingly designed to consist of 13 electronically controlled logic switches.

[0079] 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 components in the weak wind environment, and at the same time implement time-distributed and evenly distributed charging for the 12 single batteries, so as to achieve the purpose of effective battery maintenance.

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Abstract

The invention discloses measurement and control equipment for wind power storage, an energy storage system and a control method of the measurement and control equipment. The measurement and control equipment comprises a measurement and control device, a wind power input end, a power output interface and a wind power collection device, wherein the measurement and control device is connected with the wind power input end and the power output interface; the wind power collection device is connected with the wind power input end and the measurement and control device; the power output interface comprises a plurality of electronic control logic switches which are connected with two ends of a storage battery pack for wind power storage and series tap ends of the storage battery pack; the energy storage system comprises a wind power component, the storage battery pack and a system control device, and comprises at least one set of measurement and control equipment; and the measurement and control equipment changes the combined state of the power output interface under the set measurement and control logic, so that intelligent charging for storage batteries is achieved. By the measurement and control equipment, the lifetime of the storage batteries of the energy storage system for wind power generation can be prolonged; and the charge capacity of the system is increased.

Description

technical field [0001] The invention relates to the system design field of wind power generation, in particular to a measurement and control device for wind power energy storage, an energy storage system containing the device 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 al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/14H02J7/00
CPCH02J7/1415H02J7/0013
Inventor 刘粤荣陈方
Owner 深圳智慧能源技术开发有限公司
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