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Power distribution system measurement data complement method and system, electronic equipment and storage medium

A technology for power distribution system and measurement data, which is applied in electrical digital data processing, data processing application, digital data information retrieval, etc. It can solve the problem of large input data scale, reduce equipment failures, improve operating efficiency, and improve situational awareness. effect of ability

Active Publication Date: 2022-06-21
TSINGHUA UNIV
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Problems solved by technology

[0007] 1. Measurements are on a graph, not on a two-dimensional image
[0008] 2. The topological connection of the power distribution system has important information and should not be discarded
Due to the consideration of layer learning and time series data, the scale of input data is relatively large

Method used

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  • Power distribution system measurement data complement method and system, electronic equipment and storage medium
  • Power distribution system measurement data complement method and system, electronic equipment and storage medium
  • Power distribution system measurement data complement method and system, electronic equipment and storage medium

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Embodiment Construction

[0065] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0066] figure 1 A schematic diagram of a method for completing measurement data of a power distribution system provided by the present invention, such as figure 1 As shown, the method includes:

[0067] Based on the characteristics of the distribution system, the active line features are converted into active node features, and the active node features and voltage node features are linearly normalized to the inte...

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Abstract

The invention provides a power distribution system measurement data complement method and system, electronic equipment and storage media, including: based on the characteristics of the power distribution system, converting the active line characteristics into active node characteristics, and linearly converting the active node characteristics and voltage node characteristics Normalize to the interval [0, 1] to obtain the original high-resolution measurement value feature L v and L p and raw low-resolution measurements feature F v and F p ; Input the features of the original low-resolution measurement value into the graph convolutional network to obtain the fitted value of the high-resolution label; based on the fitted value of the high-resolution label, use redundant measurement data for state estimation to obtain the fitted value High-resolution true values ​​of electrical systems. Through the present invention, when some node data is completely missing, time-space transformation can also be performed, which helps to improve the situational awareness capability of the distributed network, thereby helping to improve the operating efficiency of the distribution network and reduce equipment failures.

Description

technical field [0001] The invention relates to the field of power systems, and in particular, to a method and system for completing measurement data of a power distribution system, an electronic device and a storage medium. Background technique [0002] Distribution system and transmission system are important components of power system. The transmission system transmits electricity over long distances and is the backbone of the power system, while the distribution system obtains electricity from the transmission system and distributes it to the end users. For brevity, the distribution system and the transmission system are simply referred to as the distribution network and the transmission network. [0003] Typically, in a distribution system, only one node is connected to the transmission system. This node is called the parent node. The parent node is equipped with supervisory control and data acquisition (SCADA) equipment and even a phasor measurement unit (PMU), whic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/215G06Q50/06G06N3/04G06F17/16
CPCG06F16/215G06Q50/06G06F17/16G06N3/045Y02D10/00
Inventor 陈颖王志晟黄少伟沈沉袁科宇
Owner TSINGHUA UNIV
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