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Large-scale battery energy storage system based on temperature field control and energy dispatching method thereof

A battery energy storage system and temperature field technology, applied in battery circuit devices, secondary battery repair/maintenance, collectors, etc., can solve the problem that ventilation and heat dissipation cannot meet the heat dissipation requirements of the battery system, and the working environment of large energy storage devices is not good, etc. problems, to achieve the effect of extending battery life

Inactive Publication Date: 2015-09-16
北京亿利智慧能源科技有限公司
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AI Technical Summary

Problems solved by technology

The working environment of large-scale energy storage devices is not good, and the ventilation and heat dissipation of the environment cannot meet the heat dissipation requirements of the battery system, so a special heat dissipation design for the battery system is required

Method used

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  • Large-scale battery energy storage system based on temperature field control and energy dispatching method thereof
  • Large-scale battery energy storage system based on temperature field control and energy dispatching method thereof
  • Large-scale battery energy storage system based on temperature field control and energy dispatching method thereof

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0035] A large-scale battery energy storage system based on temperature field control, which is composed of multiple energy storage power modules connected in parallel. The energy storage power module includes a battery pack and a battery-based bidirectional electric energy conversion topology circuit.

[0036] The battery-based bidirectional power conversion topology circuit includes a bidirectional DC-DC conversion module, a bidirectional DC-AC conversion module and a voltage output terminal.

[0037] The battery-based bidirectional power conversion topology circuit includes a switch device and a battery pack interface.

[0038] The switching device is a silicon carbide power transistor, a thyristor, a field effec...

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Abstract

The invention provides a large-scale battery energy storage system based on temperature field control and an energy dispatching method thereof, and belongs to the technical field of batter temperature field control. The large-scale battery energy storage system is formed by connecting a plurality of energy storage power modules in parallel, and each energy storage power module comprises a battery pack and a bidirectional electrical energy conversion topology circuit based on batteries. Each bidirectional electrical energy conversion topology circuit based on batteries comprises a bidirectional direct-current and direct-current conversion module, a bidirectional direct-current and alternating-current conversion module and a voltage output end. The system can realize that the energy storage system can protect and maintain the battery packs while meeting the power requirement of energy storage, so that the battery packs work in a safe and proper temperature range, and the service lives of the batteries are finally prolonged.

Description

technical field [0001] The invention relates to the technical field of battery temperature field control, in particular to a large-scale battery energy storage system based on temperature field control and an energy scheduling method thereof. Background technique [0002] In the current battery application field, the battery heat dissipation technology usually adopts external forced cooling (air cooling, water cooling, etc.), and the goal of the heat dissipation design scheme is to heat uniformly, to ensure that the battery works in a safe temperature range, and to prolong the service life of the battery. . In large-scale energy storage applications, in order to meet the requirements of energy storage power and capacity, it is usually necessary to connect single cells in series and parallel to form a group, and cooperate with the electric energy conversion device to provide or absorb power to the upper power system. The working environment of large-scale energy storage devi...

Claims

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Application Information

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IPC IPC(8): H02J7/00H01M10/42
CPCY02E60/10
Inventor 王占国姜久春张维戈吴健
Owner 北京亿利智慧能源科技有限公司
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