On-line detecting and positioning device for local discharging of electrical insulated combined electrical appliance, and positioning method thereof

A gas-insulated combination and partial discharge technology, which is applied in the direction of measuring devices, fault locations, instruments, etc., can solve the problems of being easily affected by interference, unable to overcome the corona interference of the detection site, and low frequency band of the sensor, etc., to achieve effective GIS partial discharge signal, real-time fast and accurate positioning capabilities, and consistent directional effects

Inactive Publication Date: 2006-09-20
CHONGQING UNIV
View PDF2 Cites 76 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the frequency of corona discharge in the air is usually 100-200MHz, the low frequency band of the sens

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
  • On-line detecting and positioning device for local discharging of electrical insulated combined electrical appliance, and positioning method thereof
  • On-line detecting and positioning device for local discharging of electrical insulated combined electrical appliance, and positioning method thereof
  • On-line detecting and positioning device for local discharging of electrical insulated combined electrical appliance, and positioning method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] The present invention will be further described below in combination with specific embodiments.

[0037] like Figure 1~4 As shown, an on-line detection and positioning device for partial discharge of a gas-insulated composite electrical appliance, a sensor array composed of a microstrip patch antenna 1, two sets of multi-channel intelligent selection switches 3, two amplification filters 4, a high-speed digital collector 5, Computer 6 and control module 7. The sensor array of the present embodiment is made up of the microstrip patch antenna 1 that is installed in each basin type insulator 14 places of GIS, and its number is determined by the number of basin type insulators 14 of on-site GIS; ; The high-speed digital collector 5 includes 2 data acquisition channels; each sensor is connected to the multi-channel intelligent selection switch 3 through a high-frequency shielded coaxial cable 2 of equal length; a group of multi-channel intelligent selection switches 3 are ...

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

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Login to view more

Abstract

This invention relates to gas insulation combination electric apparatus partial discharge online detecting and position equipment and its position method. It belongs to electric equipment insulation detecting technique field. This invention includes sensor array consisted by microtrip patch antenna, two groups multiple intelligence selecting switch; two amplify filter, high speed digital collector, computer and control module. The array in this invention is made up by the microtrip patch antennas fixed at GIS basin type insulator, its antenna is made up by rectangular metal patch, medium board, metal platter, coaxial probe type feed line and antenna shielding case. This invention is computer program control, it can online, actual time, quickly, actually poison of GIS inner discharging. This invention can be widely used to electric generator plant booster station and electric network GIS electric substation, it can auto detecting GIS inner partial discharge, and actually poison of partial discharging defect, also it can interconnection run with electric substation and electric generator plant auto monitoring system.

Description

technical field [0001] The invention belongs to the technical field of electrical equipment insulation monitoring, and in particular relates to an on-line detection and positioning device and a positioning method for partial discharge of a gas-insulated combined electric appliance. Background technique [0002] Gas-insulated switchgear (GIS) is widely used in power plants and substations of power systems because of its compact structure, small footprint, and high reliability. However, defects in GIS due to various reasons will cause partial discharge (PD) under the action of strong electric field, and excite electromagnetic waves with frequency up to several gigahertz (GHz). The continuous development of partial discharge inside the GIS will cause insulation breakdown, lead to power outages, and cause serious losses to the national economy. Since GIS is a good wave conductor, electromagnetic waves can propagate inside GIS and leak outward at the joint between GIS insulation...

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
IPC IPC(8): G01R31/00G01R31/12G01R31/02G01R31/08
Inventor 唐炬张晓星唐世宇莫文强孙才新许中荣杜林彭文雄
Owner CHONGQING 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