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Knowledge modeling method and system for intelligent calculation and adjustment of power flow of power grid

A knowledge modeling and knowledge technology, applied in the field of power systems, can solve the problems of lack of complex knowledge structure modeling methods, insufficient effective expression of ontology and knowledge graph models, etc.

Pending Publication Date: 2021-09-10
CHINA ELECTRIC POWER RES INST +3
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Problems solved by technology

[0006] The embodiments of the present disclosure provide a knowledge modeling method and system for intelligent calculation and adjustment of power grid power flow, to at least solve the knowledge representation of ontology language and graph structure in the prior art. In terms of power grid simulation, there is still a lack of complex knowledge The modeling method of the structure; and because there are both qualitative and quantitative knowledge, association and event knowledge in the power grid simulation, the current ontology and knowledge graph models are not enough to effectively express it.

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  • Knowledge modeling method and system for intelligent calculation and adjustment of power flow of power grid

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[0016] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0017] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses a knowledge modeling method and system for intelligent calculation and adjustment of power flow of a power grid. The method comprises the following steps: dividing knowledge involved in intelligent calculation and adjustment of the power flow of the power grid into power grid data knowledge, power grid state knowledge and adjustment rule knowledge; representing the power grid data knowledge, the power grid state knowledge and the adjustment rule knowledge in a triple form, and constructing a knowledge base; and according to the currently known facts, the power grid data knowledge, the power grid state knowledge and the adjustment rule knowledge in the knowledge base are utilized, performing reasoning according to a reasoning method and a control strategy, updating and prefecting the knowledge base, and ensuring the correctness and integrity of the knowledge.

Description

technical field [0001] The present application relates to the technical field of electric power systems, in particular to a knowledge modeling method and system for intelligent calculation and adjustment of grid power flow. Background technique [0002] With the development of the domestic power system, especially the comprehensive development of smart grid and UHV project construction, the grid structure is becoming more and more complex, the grid components are gradually increasing, and the grid data is growing explosively. The amount of data in the system surges. If the excess data cannot be processed in time, it will lead to decision-making delays, mistakes and even power accidents. Therefore, it is necessary to extract massive power grid data, and further abstract the extracted information to the level of knowledge research, analyze power grid knowledge representation, storage and synergy, and build a power grid knowledge base on this basis, so that the power grid Rele...

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Application Information

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IPC IPC(8): G06F30/27G06F16/36G06F113/04
CPCG06F30/27G06F16/367G06F2113/04
Inventor 文晶陈兴雷何飞倪秋龙刘明松杨滢祁炜雯黄彦浩李文臣孙璐徐希望
Owner CHINA ELECTRIC POWER RES INST
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