Quality evaluation method and evaluation system for new energy grid-connected data

A quality assessment and new energy technology, applied in the fields of information technology and power transmission, can solve the problems of intermittent new energy power generation, increased system scheduling costs, and instability

Pending Publication Date: 2020-04-28
国家电网有限公司大数据中心
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Problems solved by technology

Therefore, new energy power generation is intermittent and unstable, which will affect the normal operation of the network

Method used

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  • Quality evaluation method and evaluation system for new energy grid-connected data
  • Quality evaluation method and evaluation system for new energy grid-connected data
  • Quality evaluation method and evaluation system for new energy grid-connected data

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Embodiment Construction

[0055] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

[0056] see figure 1 , providing a quality assessment method for new energy grid-connected data, which can accurately evaluate the quality of new energy grid-connected data and provide a basis for the collection of new energy grid-connected data. This quality assessment methodology includes:

[0057] S110, based on a vector matching method, search for a plurality of first reference data sequences that are completely identical to a first preset length data sequence before the data to be evaluated from the r...

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Abstract

The invention provides a quality evaluation method and evaluation system for new energy grid-connected data. According to the quality evaluation method, a reference data sequence matched with a presetlength data sequence before to-be-evaluated data is searched from reference sample sequences based on a vector matching method and a linear correlation method; and the quality mark of the next data of each reference data sequence is taken as a candidate quality mark of the to-be-evaluated data, and the candidate quality mark with the most same frequency is determined as the quality mark of the to-be-evaluated data. According to the method, quality evaluation is carried out on the new energy grid-connected data based on vector matching and linear correlation, real-time evaluation on the quality of different types of new energy out-of-disease data is achieved through the method, and the quality evaluation effect is good.

Description

technical field [0001] The invention belongs to the fields of information technology and power transmission technology, and in particular relates to a quality evaluation method and evaluation system of new energy grid-connected data. Background technique [0002] New energy grid connection is an important application of energy Internet. Because it is green and environmentally friendly, it can greatly reduce exhaust emissions, and will gradually replace petrochemical energy and become the main energy supply method for future development. [0003] New energy power generation mainly includes photovoltaic and wind power, and its power generation is limited by the surrounding meteorological conditions, such as sunlight and wind speed. Therefore, new energy power generation is intermittent and unstable, which will affect the normal operation of the network and increase the cost of system scheduling. Therefore, it is necessary to effectively control the power generation process. I...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06G06F16/215G06F16/2458
CPCG06Q10/06395G06Q50/06G06F16/215G06F16/2474
Inventor 张帆李洋聂松松宣东海吴桂栋朱广新张羽舒王春梅张松陈翔
Owner 国家电网有限公司大数据中心
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