Power distribution network fault recovery method with consideration of the uncertainty of fault recovery time

A distribution network fault and recovery time technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems of power supply recovery effect difference, distribution network fault recovery time uncertainty, fault recovery schemes and other problems

Active Publication Date: 2017-05-10
CHINA AGRI UNIV
View PDF8 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the output of uncontrollable DGs such as wind power and photovoltaics is uncertain, and the fault recovery time of the distribution network is also uncertain, resulting in different fault recovery schemes. Therefore, the traditional fault recovery method cannot be used to achieve the best power supply recovery effect in the power-off area

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
  • Power distribution network fault recovery method with consideration of the uncertainty of fault recovery time
  • Power distribution network fault recovery method with consideration of the uncertainty of fault recovery time
  • Power distribution network fault recovery method with consideration of the uncertainty of fault recovery time

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0074] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0075] 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.

[0076] The present invention provides a distribution network fault recovery method considering the uncertainty of fault recovery time, such as figure 1 shown, including:

[0077] 101. Accordi...

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 relates to a power distribution network fault recovery method with consideration of the uncertainty of fault recovery time. The method comprises the following steps: according to the probability density function of the fault recovery time of the distribution network, obtaining two best power distribution network fault recovery times and the probabilities for the two best power distribution network fault recovery times respectively, or rather a first power distribution network fault recovery time and its probability and a second power distribution network fault recovery time and its probability; using the first power distribution network fault recovery time to establish a power distribution network fault recovery model and using the best solution of the power distribution network fault recovery model as the power distribution network fault recovery scheme; and using the second power distribution network fault recovery time to optimize the power distribution network fault recovery scheme. The method proposed by the invention adopts a Wasserstein distance method to determine the fault recovery times and through the utilization of the fault recovery times, proper adjustment can be made to the fault recovery scheme so as to realize the best power supply recovery to an area out of power and to increase the economy and security for power grid operations.

Description

technical field [0001] The invention relates to the technical field of distribution network operation, in particular to a distribution network fault recovery method considering the uncertainty of fault recovery time. Background technique [0002] Distribution network fault recovery means that after a distribution network fault occurs, by determining the optimal switch combination scheme, the goals of restoring the most out-of-power load, the least number of switching operations, and the smallest network loss are achieved, and at the same time, the connectivity of the distribution network after recovery is satisfied. , radial and other conditions. [0003] In recent years, fault recovery of distribution network with distributed power is also one of the research hotspots. When the distribution network fails and is isolated, the distributed power in the power failure area supplies independent power to the important loads in the area, forming an island operation mode, which can...

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 Applications(China)
IPC IPC(8): H02J3/00
CPCH02J3/00H02J3/001H02J2203/20Y04S10/52
Inventor 张筱慧王雨婷马健
Owner CHINA AGRI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap