Method and system for day-ahead generation schedule establishment of energy base system

A power generation planning and base technology, applied in the direction of wind power generation, system integration technology, information technology support system, etc.

Inactive Publication Date: 2018-07-24
STATE GRID CORP OF CHINA +3
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] In the current operation mode of wind-fired bundled DC transmission, most of the supporting thermal power and DC operation only support wind power consumption by roughly retaining system backup methods, and the initial design of using thermal power to stabilize the fluctuation of wind power has not yet been fully realized

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  • Method and system for day-ahead generation schedule establishment of energy base system
  • Method and system for day-ahead generation schedule establishment of energy base system
  • Method and system for day-ahead generation schedule establishment of energy base system

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Embodiment Construction

[0061] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0062] The present invention first utilizes the BP neural network algorithm optimized by the PSO algorithm (i.e. the PSO-BP algorithm) to predict the wind power with certainty, and on this basis, uses a non-parametric regression model to perform interval prediction of the wind power, and adopts the method of scene analysis to consider wind power. Uncertainty of output, and use the two-dimensional scene optimization method based on the daily change dimension and hour change dimension to reduce the scene, so as to ensure the richness of the optimized scene and the accuracy of the final result. A day-ahead power generation planning model that includes wind power forecast information and DC regulation costs is constructed to improve the wind power absorptive capacity of the energy base system and provide suggestions for the formulation of the day-ahead pow...

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Abstract

The present invention relates to a method and a system for day-ahead generation schedule establishment of an energy base system. The method comprises the steps of: 1) establishing a day-ahead generation schedule optimization model of an energy base system comprising a direct current regulating measure according to wind power prediction information obtained in advance; 2) establishing a plurality of application examples by employing different types of wind power prediction information as input variables of the day-ahead generation schedule optimization model of the energy base system, and determining an optimal day-ahead generation schedule of the energy base system according to the obtained operation index comparison result of the energy base system and focused operation indexes. The method can integrate the wind power prediction information into the optimal model to perform comparison, analysis and verification, and considers the direct current regulation measure to obtain a better economic performance on the premise of reasonable operation of the system. Therefore, the method provided by the invention can be widely applied to the day-ahead generation schedule establishment of theenergy base system.

Description

technical field [0001] The present invention relates to the field of making day-ahead power generation plans for electric power systems, in particular to a method and system for making day-ahead power generation plans for energy base systems that take wind power uncertainty into consideration, and is mainly used for making day-ahead power generation plans during the operation of energy base systems. Background technique [0002] In the current operation mode of wind-fired bundled DC transmission, most of the supporting thermal power and DC operation only support wind power consumption by roughly retaining system backup methods, and the initial design of using thermal power to stabilize the volatility of wind power has not yet been fully realized. Considering the optimal dispatch of wind power, thermal power and DC operation of the UHV DC sending end energy base system, the key is to solve two main problems: one is to make reasonable use of wind power forecast information; the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/38G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06H02J3/00H02J3/386H02J2203/20Y02E10/76Y02E40/70Y04S10/50
Inventor 蒋维勇刘建琴邹欣吕盼周专张海波李文莉
Owner STATE GRID CORP OF CHINA
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