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Wind power generation system with energy storage control equipment and control method thereof

A wind power generation system, energy storage control technology, applied in wind power generation, collectors, electric vehicles, etc.

Inactive Publication Date: 2016-08-24
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 generation system with energy storage control equipment and control method thereof
  • Wind power generation system with energy storage control equipment and control method thereof
  • Wind power generation system with energy storage control equipment and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Design a low-power wind power generation system called wind energy street lights for roads in the city. The system consists of 100W wind power components 1, two 12V100Ah lead-acid maintenance-free batteries connected in series 4, 50W LED lamps (discharge load 10) It is composed of the energy storage control device 11.

[0066] The energy storage control device 11 includes a measurement and control device 2, a wind power input terminal 3, a power output interface 5, a wind power collection device 6 and a discharge controller 8b, wherein the discharge controller 8b is a constant current power controller, and its power input terminal is electrically connected to The two ends of the battery pack 4 composed of two batteries in series, the power output end is electrically connected to the LED lamp, and the signal input end is connected to the measurement and control device 2; the measurement and control device 2 is electrically connected to the power output end of the wind pow...

Embodiment 2

[0073] 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 control equipment and the power generation system are similar to those in Embodiment 1.

[0074] This...

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 generation system with energy storage control equipment. The wind power generation system comprises a wind power module, a storage battery, a discharge load and the energy storage control equipment; the energy storage control equipment comprises a measuring and control device, a wind power input end, a power output interface, a wind power acquisition device and a discharge controller; the measuring and control device is connected with the wind power input end and the power output interface; the wind power acquisition device is connected with the wind power input end and the measuring and control device; the power output interface is composed of a plurality of electronic control logic switches, and is connected with the two ends of the storage battery and a series tap end of the storage battery; the storage battery comprises at least two battery modules and a series interface of the storage battery is provided with an external end; and the wind power generation system realizes a real-time conversion of the composite state of the power output interface under a set control logic, so as to realize intelligent charging of a storage battery. The wind power generation system with the energy storage control equipment and the control method thereof provided by the invention can prolong the service life of the storage battery of the wind power generation system, and increase the electricity storage and generating capacity of the system.

Description

technical field [0001] The invention relates to the field of wind power generation system design, in particular to a wind power generation system with energy storage 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-grid wind power generation, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J7/14
CPCH02J3/386H02J7/14Y02E10/76
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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