Distributed photovoltaic electricity-stealing supervising method based on multi-time scale output estimation

A distributed photovoltaic, multi-time-scale technology, applied in data processing applications, instruments, calculations, etc., can solve the problems of anti-theft of electricity that cannot be applied to distributed photovoltaic power generation systems, poor results, and large amount of engineering, so as to improve inspections. Work efficiency, small calculation error, and the effect of improving model accuracy

Inactive Publication Date: 2015-12-16
STATE GRID CORP OF CHINA +4
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Problems solved by technology

At present, the research on anti-stealing technology is mainly carried out for traditional users to steal electricity. The object is focused on the main body of the electric energy meter. Each electric energy meter needs to be equipped with an anti-stealing device, which requires a large amount of engin

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  • Distributed photovoltaic electricity-stealing supervising method based on multi-time scale output estimation
  • Distributed photovoltaic electricity-stealing supervising method based on multi-time scale output estimation
  • Distributed photovoltaic electricity-stealing supervising method based on multi-time scale output estimation

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[0031] The present invention will be described in further detail in conjunction with the accompanying drawings and specific embodiments.

[0032] The distributed photovoltaic stealing supervision method based on multi-time scale output evaluation of the present invention includes the following two parts:

[0033] 1. Establish a photovoltaic output calculation model based on the historical statistical data of the power station

[0034] The calculation of photovoltaic output adopts statistical methods. The historical power generation power of the power station and the meteorological information of the same period are used to establish a photovoltaic output calculation model. Using the established photovoltaic output calculation model and updating the meteorological information, the photovoltaic output can be directly calculated and obtained, avoiding the need to consider based on mathematical modeling. A series of factors such as photovoltaic module installation method, inclinat...

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Abstract

The present invention discloses a distributed photovoltaic electricity-stealing supervising method based on multi-time scale output estimation. The method comprises: first, establishing a photovoltaic output calculation model based on historical statistical data of a power station; by using historical power generation information of the power station and contemporaneous meteorological information, generating a fitting curve of meteorological information and photovoltaic output; loading real-time meteorological information so as to obtain real-time output of the power station; and then based on multi-time scale photovoltaic output estimation, giving out an electricity-stealing identification method with a three-layer screening structure: real-time electricity-stealing estimation, short-term electricity-stealing estimation and medium and long-term electricity-stealing estimation, and giving out a corresponding inspection scheme according to an electricity-stealing suspect determination result. According to the distributed photovoltaic electricity-stealing supervising method based on multi-time scale output estimation, a statistical method is adopted, so that independent modeling of each constituent element of the photovoltaic power station is avoided, a calculation error is small, and model precision is improved; and by designing the three-layer screening structure of electricity-stealing identification, the electricity-stealing identification rate of distributed photovoltaic power generation is greatly improved, evidence is provided for effective supervision of distributed photovoltaic power generation, and the inspection efficiency is improved.

Description

technical field [0001] The invention relates to a distributed photovoltaic stealing supervision method based on multi-time scale output evaluation, and belongs to the technical field of photovoltaic power generation. Background technique [0002] Distributed photovoltaic power generation is mainly used in industrial parks, public commercial facilities and residential buildings. It is of great significance to optimize energy structure, promote energy conservation and emission reduction, and achieve sustainable economic development. It is an effective means to solve energy crisis and environmental problems. [0003] In July 2013, the Ministry of Finance issued the "Notice on Distributed Photovoltaic Power Generation Subsidy Policy and Other Relevant Issues", which clarified the implementation methods of distributed photovoltaic power generation projects according to power subsidy policies. Distributed photovoltaic power generation projects have completed the filing according t...

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Application Information

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IPC IPC(8): G06Q50/06
Inventor 姬秋华刘刚周光杜炜戴晨松陈磊张羽王彦隽胡继昊蔡伟黄宜林
Owner STATE GRID CORP OF CHINA
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