Considering the correlation between photovoltaic and cold load, the calculation method and information system of electric load

A technology of electricity load and calculation method, applied in information technology support systems, computing, data processing applications, etc., can solve the problems of low time and spatial resolution of meteorological information, only accurate to hours and urban areas, etc. The effect of collaborative optimization, improving abnormality monitoring level, and improving accuracy

Active Publication Date: 2019-03-12
CHINA AGRI UNIV
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Problems solved by technology

The temporal and spatial resolution of meteorological information in weather forecasts is low, and can only be accurate to hours and urban areas

Method used

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  • Considering the correlation between photovoltaic and cold load, the calculation method and information system of electric load
  • Considering the correlation between photovoltaic and cold load, the calculation method and information system of electric load

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] The following describes the power load calculation method and information system considering the correlation between photovoltaic and cooling loads proposed according to the embodiments of the present invention with reference to the accompanying drawings. A comprehensive calculation method for electricity load.

[0027] figure 1 It is a flow chart of an electric load calculation method considering the correlation between photovoltaic and cooling loads according to an embodiment of the present invention.

[0028] Such as f...

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Abstract

The invention discloses a power load calculation method and an information system considering the correlation of photovoltaic and cold load. The method comprises the following steps: collecting building simulation model variables; Obtaining a set of input variables and an output variable to be selected according to building simulation model variables and target uses; According to the set of inputvariables and output variables to be selected, the set of input variables of the building simulation model is obtained by the principle of maximum correlation and minimum redundancy. The data of inputvariables and output variables are trained by limit learning machine to obtain the final building simulation model. Through the final building simulation model, the theoretical calculation value of building load with high proportion of air-conditioning load is obtained. The calculation method can effectively improve the abnormal monitoring level of building load with high proportion of air-conditioning load, improve the short-term forecasting accuracy of building load, and realize the cooperative optimization of building and urban power network.

Description

technical field [0001] The invention relates to the technical field of power system operation and analysis, in particular to a power load calculation method and an information system considering the correlation between photovoltaic and cooling loads. Background technique [0002] With the popularization of smart meters, building electricity load and photovoltaic power generation data have gradually reached the scale of big data. The photovoltaic power generation curve contains a wealth of meteorological information, which has not yet been valued by the industry. [0003] The existing single building simulation model based on temperature and relative humidity cannot solve the problem of power grid companies accurately predicting the electricity load of buildings. The power grid does not have temperature and relative humidity data, and only the power data of individual buildings can be obtained. The temporal and spatial resolution of meteorological information in weather for...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06G06F17/50
CPCG06F30/20G06Q50/06Y04S10/50
Inventor 付学谦
Owner CHINA AGRI UNIV
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