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A method for optimization prediction of a power grid typical daily load

A daily load and daily load rate technology, applied in the field of power grid load management, can solve the problems of lack of effective quantitative analysis and forecasting methods

Active Publication Date: 2017-05-31
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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Problems solved by technology

[0004] The present invention discloses a new scheme for optimizing and predicting the typical daily load of the power grid, and uses three methods to combine quantitative analysis and forecast load characteristics, which solves the problem of lack of effective quantitative analysis and forecasting methods in the prior art

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  • A method for optimization prediction of a power grid typical daily load
  • A method for optimization prediction of a power grid typical daily load
  • A method for optimization prediction of a power grid typical daily load

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Embodiment Construction

[0070] The composition of the load characteristic index system directly affects the quality of the load characteristic analysis, and the prediction effect of the load characteristic will be affected by the load characteristic prediction method. The load characteristic index embodies the relevant electric load characteristic. The primary task of describing the changing law of electric load characteristics is to calculate and analyze the load characteristic indicators. The power load characteristic indicators include curve-type and numerical-type indicators, and also include indicator values ​​in different time periods such as year, month, day, and season. Different characteristics of the power system are described by different power load characteristic indexes, some are the basis for power load dispatching operation, some indexes can guide the planning and design of the power system, and some indexes can reflect the overall condition of the load. Nowadays, there is no unified ...

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Abstract

The invention relates to a method for optimization prediction of a power grid typical daily load. The method comprises the steps of forecasting the typical daily load of a power grid by using a fractal interpolation method; predicting the typical daily load of the power grid by a bidirectional clamping method; predicting the typical daily load of the power grid by a daily load rate library searching method; obtaining the average value of load values at the same time point of a typical daily load curve A, a typical daily load curve B and typical daily load curve C to form an optimized typical daily load curve; etc. The new scheme disclosed by the invention employs the three combined methods to conduct quantitative analysis and prediction of the load characteristics so as to provide a feasible power grid load prediction method.

Description

technical field [0001] The invention relates to a method for predicting a typical daily load of a power grid, in particular to a method for optimizing and predicting a typical daily load of a power grid, which belongs to the field of power grid load management. Background technique [0002] Load characteristic forecasting is an important link in power system operation and management. Its forecasting accuracy directly affects economic and social benefits, and mastering the changing law and development trend of power load characteristics is the key to establishing a load forecasting model. In the past, under the planned economic system, load characteristic analysis was not paid enough attention. Today, our country is in the transition period of marketization of the power industry. If we want to maintain the stability of the power market operation, the first thing we need to do is to predict the power load characteristics. The most basic work of analyzing and researching the p...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06H02J3/00H02J3/003Y04S10/50
Inventor 陈建枫范兵顾洁
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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