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Optimal scheduling method containing wind power and demand side resources based on scene reduction

A technology for scene reduction and optimal scheduling, which is applied in market forecasting, marketing, instruments, etc., and can solve problems such as fluctuations in new energy grid connection

Pending Publication Date: 2021-02-23
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies of the existing technologies, and provide an optimal scheduling method including wind power and demand-side resources based on scene reduction, which can tap the potential of the demand side, ensure the stability of the power grid during peak hours of power consumption, and solve the problem of wind power and other new energy sources. Technical problems of fluctuations brought about by grid connection

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  • Optimal scheduling method containing wind power and demand side resources based on scene reduction
  • Optimal scheduling method containing wind power and demand side resources based on scene reduction
  • Optimal scheduling method containing wind power and demand side resources based on scene reduction

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Embodiment Construction

[0086]The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:

[0087]A smart grid optimized dispatch method with wind power and demand-side resources based on scene reduction, such asfigure 1 As shown, including the following steps:

[0088]Step 1. After predicting the output power of the wind farm on the next day and modeling the wind power prediction error, randomly generate multiple initial scenes containing wind power output;

[0089]In this embodiment, the output power of the wind farm on the next day is first obtained by the prediction method. In order to avoid the error caused by the scenes that are not in good agreement with the actual situation or there are a large number of inefficient and inefficient scenes, the prediction errors of the studied random variables need to be regarded as new The prediction accuracy can be improved to a certain extent by fitting the random variables of the model.

[0090]The specific...

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Abstract

The invention relates to a scene reduction-based intelligent power grid optimal scheduling method containing wind power and demand side resources, which comprises the following steps of: 1, predictingthe output power of a wind power plant on the next day, modeling a wind power prediction error, and randomly generating a plurality of initial scenes containing wind power output; step 2, performingscene reduction on a plurality of initial scenes containing wind power output randomly generated in the step 1 so as to generate a classic scene set; step 3, establishing an optimal scheduling model of the virtual power plant and the traditional unit considering uncertainty by taking minimization of the scheduling cost of the power system as a target; and 4, calculating the minimum value of the target function of the optimal scheduling model, and carrying out optimal configuration on the virtual electric field. According to the method, energy gathered by the virtual power plant can be effectively combined, fluctuation and uncontrollability of new energy generated output can be reduced during internal optimal scheduling, distributed power sources and loads are cooperatively managed, and safe and stable operation of a power grid is promoted.

Description

Technical field[0001]The invention belongs to the technical field of electric power dispatching, and relates to an optimal dispatch method containing wind power and demand-side resources, in particular to an optimal dispatch method containing wind power and demand-side resources based on scene reduction.Background technique[0002]Energy and environmental issues have prompted the rapid development of new energy power including wind power. The non-storability of new energy sources determines that wind power and other new energy power generation has the characteristics of intermittent, random and volatility. New energy is connected to the grid on a large scale. Power grid dispatch brings new challenges.[0003]Traditional power system optimal dispatching problems mainly include two methods, economic dispatch and unit commitment, and then continue to improve on this basis, and new methods are continuously introduced into optimal dispatch. In addition to minimizing the cost of power generat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q30/02G06Q50/06
CPCG06Q10/04G06Q30/0206G06Q50/06Y04S10/50Y04S50/14
Inventor 刘敦楠韩雅萱加鹤萍王宣元刘蓁张浩刘明光
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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