Supercharge Your Innovation With Domain-Expert AI Agents!

An optimization method and device for comprehensive protection against lightning strike and disconnection of 10kv overhead insulated lines

A lightning strike disconnection and overhead insulation technology, which is applied in the direction of circuit devices, cable installation, lighting conductor installation, etc., can solve the problems of poor practicability and low simulation accuracy, and achieve the effect of improving reliability and minimizing lightning strike disconnection rate

Active Publication Date: 2020-11-06
BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventors found that the current simulation accuracy of the comprehensive protection against lightning strikes and disconnection of 10kV overhead lines is low, and the practicability is poor

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An optimization method and device for comprehensive protection against lightning strike and disconnection of 10kv overhead insulated lines
  • An optimization method and device for comprehensive protection against lightning strike and disconnection of 10kv overhead insulated lines
  • An optimization method and device for comprehensive protection against lightning strike and disconnection of 10kv overhead insulated lines

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, a kind of 10kV overhead insulated line lightning strike disconnection comprehensive protection optimization method of the present embodiment includes:

[0027] S101: Obtain the topology structure of the distribution network, its associated equipment parameters and the number of users, and construct a simulation model of the distribution network;

[0028] Specifically, the distribution network simulation model includes an insulator flashover model, an overhead line model, a lightning arrester model, and a tower model.

[0029] At present, the insulator string flashover criteria for overhead lines in my country mainly include the following types, namely the definition method, the intersection method and the pilot method.

[0030] In my country's current industry standards and engineering practices, the definition method is usually used as the criterion for judging whether an insulator is flashover, that is, according to the calculation formula ...

Embodiment 2

[0088] Such as Figure 4 As shown, this embodiment provides a 10kV overhead insulated line lightning strike disconnection comprehensive protection optimization device, which includes:

[0089] (1) The distribution network simulation model building module, which is used to obtain the distribution network topology and its associated equipment parameters and the number of users, and construct a distribution network simulation model;

[0090] Among them, the distribution network simulation model includes the insulator flashover model, the overhead line model, the arrester model and the tower model.

[0091] (2) Inductive lightning strike distribution line simulation module, which is used to perform induction lightning strike distribution line simulation based on the distribution network simulation model, and obtain the simulated distribution lines in the unprotected mode and the two protection modes of lightning conductor and lightning arrester The disconnection rate and the numb...

Embodiment 3

[0097] This embodiment provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the following figure 1 The steps in the comprehensive protection optimization method for lightning strike disconnection of 10kV overhead insulated lines are shown.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a 10kV overhead insulated line lightning stroke line breakage comprehensive protection optimization method and device. The method comprises the steps of obtaining a power distribution network topological structure and associated equipment parameters thereof and the number of users, and constructing a power distribution network simulation model; based on the power distribution network simulation model, performing induction lightning stroke distribution line simulation to obtain line breakage rate and influenced users of a simulation distribution line in a non-protectionmode and lightning conductor and lightning arrester two protection modes; obtaining an average interruption frequency index of the power distribution line i under the jth protection mode by dividing the product of the influenced users obtained after line breakage of the power distribution line i and the line breakage rate of the power distribution line i under the jth protection mode by the totalnumber of users; constructing a target function based on the minimum value of the average interruption frequency index; and obtaining an optimal protection mode of the corresponding distribution lineby using a particle swarm optimization algorithm, wherein i represents any distribution line, and j=1, 2, 3; and j=1 represents the non-protection mode, j=2 represents a lightning conductor protectionmode, and j=3 represents the lightning arrester protection mode.

Description

technical field [0001] The disclosure belongs to the field of lightning strike protection for power distribution, and in particular relates to an optimization method and device for comprehensive protection against lightning strike and disconnection of 10kV overhead insulated lines. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] In recent years, according to the accident statistics of medium-voltage distribution lines, the number of faults of insulated conductors in operation is 15.3% of the total faults of the distribution network, and the number of faults is significantly lower than that of bare conductors; among them, lightning accidents of insulated conductors account for Insulated conductors account for 36.8% of the total accidents, and the lightning strike disconnection rate is 96.8%. Statistical data reflect that the lightning str...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H02G13/00H02J3/00
CPCH02G13/60H02J3/00
Inventor 郭光华王官涛李晓宁李金成张力
Owner BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com