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Correction forecasting method and system for atmospheric haze numerical forecasting

A technology of numerical forecasting and forecasting system, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as inability to scientifically and rationally guide power grid enterprises, optimize power generation scheduling, reduce haze, etc., to improve atmospheric air quality , reduce the use of electric energy, and ensure the effect of objectivity

Pending Publication Date: 2019-08-06
STATE GRID HUNAN ELECTRIC POWER +2
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a correction forecast method and system for numerical forecasting of atmospheric smog to solve the technical problem in the prior art that it is impossible to scientifically and rationally guide power grid enterprises to optimize power generation scheduling to reduce smog

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  • Correction forecasting method and system for atmospheric haze numerical forecasting
  • Correction forecasting method and system for atmospheric haze numerical forecasting
  • Correction forecasting method and system for atmospheric haze numerical forecasting

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Embodiment 1

[0056] see figure 1 , a method for correcting and forecasting the numerical forecast of atmospheric haze according to an embodiment of the present invention, the method for correcting and forecasting comprises the following steps:

[0057] Step S100: Select the area for smog forecasting to be the central and eastern regions of my country, and the specific latitude and longitude range is from 100°E to 120°E, and from 20°N to 55°N, and divide this area into equal longitudes and latitudes of 9 kilometers by 9 kilometers grid;

[0058] Step S200: Collect the initial field data and boundary condition data of China's global model at 12 o'clock on January 1, 2019 (UTC), and use it as the initial field data and boundary condition data at the start time of the haze numerical prediction ;

[0059] Step S300: Interpolate the collected initial field data and boundary condition data to the above-mentioned equal longitude and latitude grid to obtain grid data of unified grid points;

[00...

Embodiment 2

[0078] see figure 2 , a correction forecast system for numerical forecasting of atmospheric haze according to an embodiment of the present invention, the correction forecast system includes an area selection and division module 101, a data collection module 102, a data interpolation module 103, a spatial distribution data generation module 104 and a memory neural network training module 105 .

[0079] Wherein, the region selection and division module 101 is used to select the region that needs to carry out the haze numerical forecast, and divides the region into equal latitude and longitude grids; the data collection module 102 is used to collect initial field data and boundary condition data of a global model, Use it as the initial field data and boundary condition data for numerical prediction of smog; the data interpolation module 103 is used to interpolate the collected initial field data and boundary condition data according to the grid of equal latitude and longitude to...

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Abstract

The invention provides a correction forecasting method and system for atmospheric haze numerical forecasting, and the method comprises the steps: selecting an area which needs to carry out haze numerical forecasting, and dividing the area into equal longitude and latitude grids; collecting global initial field and boundary condition data as initial field and boundary condition data for carrying out haze numerical prediction; performing equal longitude and latitude grid interpolation on the collected initial field and boundary condition data to obtain grid data of uniform grid points; selectinga regional numerical forecasting mode and a parameterization scheme, inputting the grid data into the regional numerical forecasting mode, carrying out numerical integration calculation, and generating spatial distribution data of the atmospheric haze pollutants at different moments in the future; carrying out long-term, middle-term and short-term training on the spatial distribution data by adopting a long-term and short-term memory neural network to obtain models with different time scales. The correction forecasting method and system can guide a power grid enterprise to accurately carry out scheduling and scheduling, a scheduling strategy is arranged in advance, the haze concentration of the power grid is reduced, and the air quality is improved.

Description

technical field [0001] The invention relates to the technical field of atmospheric environment and power grid dispatching, in particular to a correction and forecasting method and system for numerical forecasting of atmospheric haze. Background technique [0002] With the continuous development and strengthening of my country's industrial volume, the sources of industrial emissions continue to increase, resulting in frequent occurrence of atmospheric smog, which has a serious impact on the health of residents. [0003] When thermal power plants generate electricity, a large amount of smoke is produced, which is one of the reasons for the formation of atmospheric smog. When the atmospheric smog is serious, the use of thermal power plants to generate electricity will increase the concentration of smog. [0004] How to carry out the numerical prediction of atmospheric smog, guide power grid enterprises to reasonably schedule power generation, increase the grid connection of cl...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06N3/04
CPCG06N3/049G06F30/23Y02A90/10
Inventor 陆佳政蔡泽林冯涛徐勋建简洲邸悦伦怀晓伟
Owner STATE GRID HUNAN ELECTRIC POWER
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