Distribution network fault early warning method and device, readable medium and electronic equipment

A technology for fault early warning and distribution network, which is applied in the field of electric power and can solve problems such as poor accuracy of early warning results.

Pending Publication Date: 2020-10-27
STATE GRID BEIJING ELECTRIC POWER +1
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Problems solved by technology

[0003] In the prior art, it is often determined whether a distribution network fault will occur by monitoring the load state of the distribution line. However, there are many

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  • Distribution network fault early warning method and device, readable medium and electronic equipment
  • Distribution network fault early warning method and device, readable medium and electronic equipment
  • Distribution network fault early warning method and device, readable medium and electronic equipment

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[0054] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0055] Such as figure 1 As shown, an embodiment of the present invention provides a distribution network fault early warning method, including:

[0056] Step 101: Divide the distribution network according to a preset division rule to obtain at least one sub-distribution network;

[0057] Step 102: Periodically obtain historical operation data and historical influence data of the ...

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Abstract

The invention discloses a distribution network fault early warning method and device, a readable medium and electronic equipment. The method comprises the following steps: dividing a distribution network to obtain sub-distribution networks; periodically obtaining historical operation data and historical influence data of the sub-distribution network; adjusting a historical fault threshold value according to the obtained historical operation data, historical influence data and a pre-obtained threshold value adjustment rule, and determining a current fault threshold value corresponding to the sub-distribution network; obtaining current operation data and current influence data of the sub-distribution network; determining current evaluation data corresponding to the sub-distribution network according to the current operation data, the current influence data, pre-obtained operation data and weight coefficients corresponding to all indexes in the influence data; and judging whether early warning information is generated or not according to the current fault threshold and the current evaluation data respectively corresponding to the sub-distribution networks. According to the distribution network fault early warning method provided by the invention, the distribution network is divided, and the current fault threshold of the sub-distribution network is periodically adjusted, so that the accuracy of the fault early warning result is improved.

Description

technical field [0001] The invention belongs to the field of electric power technology, and in particular relates to a distribution network fault early warning method, device, readable medium and electronic equipment. Background technique [0002] The distribution network refers to the power network that receives electric energy from the transmission network or regional power plants, distributes it locally through power distribution settings or distributes it to various users step by step according to voltage. Production and living order, so accurate early warning of distribution network failures is crucial. [0003] In the prior art, it is often determined whether a distribution network fault will occur by monitoring the load state of the distribution line. However, there are many factors that cause a distribution network fault, so that only by monitoring the load state of the The accuracy of the early warning results determined by this method is poor. Contents of the in...

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q10/00G06Q50/06G01R31/08
CPCG01R31/088G06Q10/04G06Q10/06393G06Q10/20G06Q50/06
Inventor 任汇东陈阳黄鹤鸣刘昕李森张阳王晓达
Owner STATE GRID BEIJING ELECTRIC POWER
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