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Method of acquiring mass battery data of storage power station

A battery data and energy storage power station technology, applied in the field of collection, can solve the problems of adverse effects on the reliability and life of the collection equipment, reliability and timeliness cannot be guaranteed, increase the load and energy consumption of the collection equipment, and achieve data reduction Effects of storage capacity, size reduction, and efficiency improvement

Inactive Publication Date: 2015-07-22
CHINA ELECTRIC POWER RES INST +4
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Problems solved by technology

However, such high-precision sampling will lead to two problems. One is to increase the load and energy consumption of the acquisition equipment, which will adversely affect the reliability and life of the acquisition equipment; the second is to generate a huge amount of data, which will give Storing or compression of post data creates a lot of pressure
It can be seen that the traditional power data compression method has the characteristics of complex algorithm, long calculation time, poor real-time performance, etc., and cannot be guaranteed in terms of reliability and timeliness

Method used

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  • Method of acquiring mass battery data of storage power station
  • Method of acquiring mass battery data of storage power station
  • Method of acquiring mass battery data of storage power station

Examples

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Embodiment

[0040] Taking the battery voltage data detected by the energy storage power station as an example, given the one-dimensional battery voltage data v=[v 1 ,v 2 …v n ], v is an N-dimensional column vector, and we choose N=1024 in the example.

[0041] Determine the sparse transformation base Ψ of the voltage vector. Commonly used sparse bases include discrete Fourier transform (DFT) base, discrete cosine transform (DCT) base and wavelet transform (WT) base, etc. Here, discrete cosine transform (DCT) is used:

[0042] Ψ NxN = 1 N 1 1 1 . . . 1 2 cos ...

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Abstract

A method of acquiring mass battery data of a storage power station includes synchronously acquiring and compressing the battery data of the storage power station, storing and transmitting the acquired compressed battery data, and reconstructing the battery data. The method has the advantages operation load of acquiring equipment is reduced and data storage and transmission scale is narrowed.

Description

technical field [0001] The invention relates to a collection method, in particular to a collection method for massive battery data of an energy storage power station. Background technique [0002] At the end of 2011, the battery energy storage power station in the national wind-solar storage and transmission demonstration project (phase I) was put into operation, including a 12MW / 63MWh lithium-ion battery energy storage system and a 2MW / 8MWh liquid flow battery energy storage system, with an output capacity of 16MW. The energy storage capacity is 71MWh. [0003] Energy storage batteries are the core equipment of wind energy projects, and their monitoring data is one of the most important achievements and assets of the project. Therefore, the efficiency and accuracy of data collection is the top priority in wind energy projects. In the energy storage power station system, tens of thousands of monitoring terminals are deployed, and these monitoring terminals collect various ...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
Inventor 李相俊惠东王向前余雷姚继锋郑昊朱斯王立业贾学翠郭光朝吴文宣郑高董文琦
Owner CHINA ELECTRIC POWER RES INST
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