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A Method of Active Power Control and Fine Command Distribution for Uncertain Power Sources

An uncertainty and command distribution technology, applied in electrical components, circuit devices, AC network circuits, etc., to solve problems such as increased power supply fluctuations, unbalanced active power command distribution, and lack of uncertain power supply control capability criteria. , to achieve the effect of reducing power control deviation and improving prediction accuracy

Active Publication Date: 2021-11-30
CHINA AGRI UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In terms of optimal distribution of active power of uncertain power sources, the active power distribution strategy of traditional power sources mostly relies on human factors, lacks scientific and reasonable criteria for the control capability of uncertain power sources, lacks coordinated control among uncertain power sources, and the distribution of active power commands is not accurate. Balanced, resulting in partial power supply instructions not up to standard, etc., which intensifies the fluctuation of the overall power supply

Method used

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  • A Method of Active Power Control and Fine Command Distribution for Uncertain Power Sources
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  • A Method of Active Power Control and Fine Command Distribution for Uncertain Power Sources

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Embodiment Construction

[0042] The present invention will be further described in detail below with reference to the accompanying drawings. The detailed description, which is made in connection with exemplary embodiments of the present invention, includes various details of the embodiments of the present invention to facilitate understanding and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.

[0043] like figure 1 As shown, the active power control and fine command allocation method of an uncertain power supply according to the present invention includes the following steps:

[0044] Step 1, collect historical active power data and draw historical active power curve;...

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Abstract

The present invention relates to an active power control and fine instruction distribution method of an uncertain power supply, comprising the following steps: Step 1, collecting historical active power data and drawing a historical active power curve; Step 2, establishing a combined prediction based on historical active power data Model; step 3, finite time-domain rolling optimization: establish a multi-objective optimization function; step 4, forecast error feedback, use the error correction value to correct the predicted value at the next moment; step 5, finely allocate active commands. In the present invention, by incorporating links such as power prediction, rolling optimization, and feedback correction into uncertain power source active power control and fine command distribution, not only can the prediction accuracy be improved, but also power control deviation can be reduced.

Description

technical field [0001] The invention relates to the technical field of power system operation scheduling, in particular to a method for active power control and fine instruction distribution of an uncertain power supply. Background technique [0002] In the future power system, with the increasing proportion of renewable energy, the uncertainty of power supply will also increase. [0003] In terms of optimal scheduling of active power of uncertain power sources, the volatility of uncertain power sources increases the difficulty of power grid peak regulation. For the safe and reliable operation of power grids, more thermal power units are often required to participate in peak regulation, and the cost of uncertain power sources is high. It also increases accordingly, reducing the economy of system operation. Moreover, most of the uncertain power sources currently do not participate in power grid frequency regulation, and the grid frequency adjustment must be shared by convent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/48H02J3/00
CPCH02J3/48H02J3/004H02J2203/20
Inventor 叶林路朋汤涌孙华东仲悟之段翔颖
Owner CHINA AGRI UNIV
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