Methods and device for determining economic loads and cooling loads

A technology to determine the economic load and determine the method, which is applied in the direction of instruments, data processing applications, forecasting, etc., to achieve the effect of increasing power supply, improving safety and reliability, economic performance, and making full use of it

Active Publication Date: 2013-09-18
SHENZHEN POWER SUPPLY BUREAU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to separate the daily maximum cooling load that varies with temperature from the daily maximum load has not been reported so far

Method used

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  • Methods and device for determining economic loads and cooling loads
  • Methods and device for determining economic loads and cooling loads
  • Methods and device for determining economic loads and cooling loads

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Embodiment Construction

[0021] In summary, the method for determining the economic load and the cooling load and the load determination device provided by the present invention will not only improve the safety and reliability and economic performance of the power grid operation, increase the power supply and produce good direct economic benefits, but also help to ensure the safety and reliability of the user's electricity consumption. Reliability and good power quality, improve production efficiency and people's living standards, and generate huge indirect economic and social benefits. Below, the method for determining the economic load and the cooling load and the device for determining the load provided by the invention will be described in more detail with reference to the accompanying drawings.

[0022] see figure 1 , is a schematic diagram of the first embodiment of the method for determining the economic load provided by the present invention, such as figure 1 As shown, the determination metho...

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Abstract

The invention provides methods and a device for determining economic loads and cooling loads. The method for determining the cooling loads includes determining types of time-varying economic load curves of the economic loads according to regional economic development data in a database; determining growth rates of the economic loads according to daily maximum load curves and using the growth rates as slopes of the economic load curves; determining a basic load value of each economic load curve according to the minimum value of a quadratic sum of the distance from the economic load curve to the lowest point of the corresponding daily maximum load curve and further determining time-varying relations of the economic loads; computing the daily maximum cooling loads according to daily maximum loads and the economic loads. The methods and the device for determining the economic loads and the cooling loads have the advantages that temperature-varying relations of the cooling loads can be acquired by the aid of the methods and the device, the maximum cooling loads of each year can be predicted by the aid of the temperature-varying relations of the cooling loads, scientific evidences are provided for formulating an annual operation mode of a power grid, and the methods and the device are favorable for guaranteeing long-term safe and reliable operation of the power grid of the Shenzhen city.

Description

technical field [0001] The invention relates to the field of grid load measurement and calculation, in particular to a method for determining economic load and cooling load and a corresponding load determination device. Background technique [0002] With the development of the national economy, the improvement of people's living standards, and the rapid development of industries such as high-precision machining, the ownership and utilization rates of cooling equipment and heating equipment have increased year by year, making the temperature-sensitive loads (cooling loads and heating loads) in the power grid The proportion continues to rise, and the power load changes caused by temperature are getting bigger and bigger. This is especially the case in coastal cities in southern China. Taking Shenzhen as an example, at present, the electricity consumption of the primary industry in Shenzhen is only 0.38% of the total electricity consumption, and the proportions of electricity c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
Inventor 郑晓辉王浩邹志勇黄媚车诒颖
Owner SHENZHEN POWER SUPPLY BUREAU
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