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Current control method, device, equipment and medium

A current control and current technology, which is applied in the field of equipment and media, current control methods, and devices, can solve the problems of long current equalization time and poor equalization effect, and achieve the effect of short equalization process time and good current control effect

Pending Publication Date: 2022-04-05
蓝谷智慧(北京)能源科技有限公司
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Problems solved by technology

[0004] Embodiments of the present invention provide a current control method, device, equipment, and medium to solve the problems in the prior art that the current equalization time is long and the equalization effect is poor during the energy storage battery pack equalization process

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  • Current control method, device, equipment and medium
  • Current control method, device, equipment and medium

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Embodiment Construction

[0072] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0073] The present invention aims at the problems of long current equalization time and poor equalization effect in the energy storage battery pack equalization process in the prior art, and provides a current control method, device, equipment and medium.

[0074] like figure 1 As shown, the embodiment of the present invention provides a current control method, including:

[0075] S101: When the power-on mode command is obtained, monitor the first voltage value on the closed branch and the second voltage value on the branch to be connected in parallel in the energy storage battery pack;

[0076] S102: Perform voltage adjustment on the voltage on the target branch according to the first voltage value, the second voltage value, and the voltage differ...

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Abstract

The invention provides a current control method and device, equipment and a medium, and the method comprises the steps: monitoring a first voltage value of a closed branch in an energy storage battery pack and a second voltage value of a to-be-connected branch in parallel under the condition of obtaining a power-on mode instruction; according to the first voltage value, the second voltage value and the voltage difference between the first voltage value and the second voltage value, voltage adjustment is carried out on the voltage on the target branch; wherein one of the closed branch and the branch to be connected in parallel is a target branch, and the other one is a comparison branch; and when the voltage difference meets a first preset condition, closing the branch to be connected in parallel, and connecting the branch to be connected in parallel with the closed branch. According to the scheme, the voltage on the target branch is adjusted, the voltage on the parallel branch and the voltage on the branch to be connected in parallel are balanced to be within a certain range, then the branch to be connected in parallel is connected to the closed branch in parallel, the balancing process is achieved, the time of the balancing process is short, and the current control effect is good.

Description

technical field [0001] The invention relates to the technical field of energy control, in particular to a current control method, device, equipment and medium. Background technique [0002] With the increase in the number of electric vehicles in recent years, the rapid increase in the use of power batteries has been promoted. When the power storage capacity of power batteries has decayed to 80%, it is usually impossible to continue to use electric vehicles. If these decommissioned power batteries Direct scrapping will cause resource waste and environmental pollution. Therefore, in the existing technology, these decommissioned power batteries can be used for energy storage. [0003] For the battery packs in the energy storage system, when the voltages of the battery packs that need to be connected in parallel are inconsistent, it is necessary to balance the voltages to the same range before connecting the batteries in parallel. In the process of equalization, due to the poor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/42H01M10/44
CPCY02E60/10
Inventor 雷晓霂
Owner 蓝谷智慧(北京)能源科技有限公司
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