Bus load identification method and system

A bus load and identification method technology, applied in character and pattern recognition, data processing applications, instruments, etc., can solve the problem of limited identification accuracy and inaccurate measurement cost, network model system ownership, load classification, single scale, load model , external environment sensitivity and other issues, to achieve the effect of accurate identification

Pending Publication Date: 2019-11-22
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

However, in the actual power grid, due to problems such as measurement cost, imprecise network model and system ownership, the composition of BSP load is often difficult to obtain directly through measurement equipment
The existing load identification and extraction methods have the following problems: First, the existing load resource identification technology is mostly aimed at small-scale household users, and the research method is difficult to apply to the identification of large-scale and diversified load-side resources; The algorithm is sensitive to load classification, unit scale, load model, external environment and other factors, and the identification accuracy is limited

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  • Bus load identification method and system
  • Bus load identification method and system

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Embodiment Construction

[0039] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] The invention provides a bus load identification method, which uses the advantages of big data analysis and artificial intelligence to be good at dealing with nonlinear and inter...

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Abstract

The invention relates to a bus load identification method and system. The method comprises the steps of collecting load identification data of a to-be-identified bus; determining load power time sequence data corresponding to various electrical loads on the to-be-identified bus according to the load identification data of the to-be-identified bus. According to the technical scheme provided by theinvention, the identification of the load types of large-scale and diversified loads on the bus is realized through the learning capability of the LSTM neural network, and the identification precisionis improved.

Description

technical field [0001] The invention relates to the technical field of power system automation analysis, in particular to a bus load identification method and system. Background technique [0002] Some large power supply points (Bulk Supply Points, BSPs) in the power grid, such as the equivalent load nodes of 220kV substation transformers in provincial power grids, and 10kV feeder nodes in regional power grids, are usually connected to a large number of load resources of different types and characteristics. How to effectively predict these busbars The change of node load power and how to effectively utilize the aggregation characteristics of the flexible load response connected to these nodes are the focus of grid dispatchers. Determining the type and quantity of loads connected to large-scale power supply nodes is the basis and key to carry out the above research. However, in the actual power grid, due to problems such as measurement cost, imprecise network model, and syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06N3/04G06Q50/06
CPCG06Q50/06G06N3/045G06F18/23G06F18/241
Inventor 王珂钱甜甜姚建国徐立中杨胜春耿建石飞项中明李亚平朱炳铨朱克东汤必强刘建涛郭晓蕊周竞毛文博王刚
Owner CHINA ELECTRIC POWER RES INST
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