CN104345250A - Grid fault positioning system and positioning method thereof - Google Patents
Grid fault positioning system and positioning method thereof Download PDFInfo
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- CN104345250A CN104345250A CN201410655471.6A CN201410655471A CN104345250A CN 104345250 A CN104345250 A CN 104345250A CN 201410655471 A CN201410655471 A CN 201410655471A CN 104345250 A CN104345250 A CN 104345250A
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- traveling wave
- wave detector
- detector device
- trouble spot
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention relates to a grid fault positioning system and a positioning method thereof. The grid fault positioning system comprises a plurality of traveling wave detection devices, a central control system and a navigation system; each traveling wave detection device and the navigation system are respectively connected with a wireless signal of the central control system; the positioning method comprises the following steps: 1, positioning the traveling wave detection devices; 2, determining the location of a fault point; 3, calculating the specific location of the fault point; 4, performing navigation and tracing on the fault point. According to the grid fault positioning system and the positioning method thereof, not only can the fault point in a grid be accurately positioned but also accurate navigation and tracing can be performed on the fault point by the navigation system; the fault point can be found in the shortest time and is maintained, so that the maintenance time is shortened, and the power supply efficiency is ensured.
Description
Technical field
The present invention relates to a kind of electric network fault positioning system and localization method thereof.
Background technology
The distance of ultra-high-tension power transmission line conveying is long, be exposed to wilderness, particularly Hilly land, quick, the accurate location of trouble spot and searching, it is power department urgent need to solve the problem always, bring heavy burden also to circuit operation maintenance personnel, and the location that existing technology is mainly used for trouble spot, although have accurate position in the searching in later stage, but due to the impact of Environmental Geomorphology factor, maintenance personal promptly cannot find trouble spot, thus extends maintenance speed, affects power supplying efficiency.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the low deficiency of prior art trouble-shooting point efficiency, the invention provides a kind of electric network fault positioning system and localization method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electric network fault positioning system, comprise several rows ripple pick-up unit, central control system and navigational system, each traveling wave detector device is all connected with central control system wireless signal with navigational system.
Particularly, described central control system comprises PLC, and described each traveling wave detector device is all connected by GPS with central control system with navigational system.
Use a localization method for described electric network fault positioning system, comprise the following steps:
1) traveling wave detector device is located: each traveling wave detector device is located by GPS, then the positional information of each traveling wave detector device is preset in PLC;
2) localization of faults position: after line fault, the traveling wave time of two the traveling wave detector devices be connected with faulty line changes, PLC according to the change localization of faults of time between any two traveling wave detector devices, be defined as traveling wave detector device A and traveling wave detector device B;
3) trouble spot particular location is calculated: the distance between definition line ripple pick-up unit A and traveling wave detector device B is L, the time turning back to starting point after the row ripple of traveling wave detector device A runs into trouble spot is T1, the time returning starting point after the row ripple of traveling wave detector device B runs into trouble spot is T2, the distance of trouble spot distance traveling wave detector device A is L1, the distance of trouble spot distance traveling wave detector device B is L2, traveling wave speed is V, then according to formula: L1=V*T1, L2=V*T2, because V is known numeric value, so just can calculate the size of L1 and L2 according to the value of T1 and T2, because: L=L1+L2, so PLC just can calculate the relative position of trouble spot between traveling wave detector device A and traveling wave detector device B, then PLC is according to the GPS position information of the traveling wave detector device A preset and traveling wave detector device B, just can calculate the GPS position information of trouble spot,
4) navigation also trace fault point: the positional information of trouble spot is sent to navigational system by PLC, and tracing navigation is carried out as destination in the position of trouble spot by navigational system.
The invention has the beneficial effects as follows, this electric network fault positioning system and localization method thereof, trouble spot in electrical network can not only be located exactly, navigational system can also be utilized to navigate accurately to trouble spot and follow the trail of, can within the shortest time, find trouble spot and keep in repair, shorten servicing time, ensure that power supplying efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of electric network fault positioning system of the present invention.
Fig. 2 is that the trouble spot of the localization method of electric network fault positioning system of the present invention calculates schematic diagram.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1-2, a kind of electric network fault positioning system, is characterized in that, comprises several rows ripple pick-up unit, central control system and navigational system, and each traveling wave detector device is all connected with central control system wireless signal with navigational system.
Particularly, described central control system comprises PLC, and described each traveling wave detector device is connected by GPS with central control system with navigational system equal 2.
Use a localization method for described electric network fault positioning system, comprise the following steps:
1) traveling wave detector device is located: each traveling wave detector device is located by GPS, then the positional information of each traveling wave detector device is preset in PLC;
2) localization of faults position: after line fault, the traveling wave time of two the traveling wave detector devices be connected with faulty line changes, PLC according to the change localization of faults of time between any two traveling wave detector devices, be defined as traveling wave detector device A and traveling wave detector device B;
3) trouble spot particular location is calculated: the distance between definition line ripple pick-up unit A and traveling wave detector device B is L, the time turning back to starting point after the row ripple of traveling wave detector device A runs into trouble spot is T1, the time returning starting point after the row ripple of traveling wave detector device B runs into trouble spot is T2, the distance of trouble spot distance traveling wave detector device A is L1, the distance of trouble spot distance traveling wave detector device B is L2, traveling wave speed is V, then according to formula: L1=V*T1, L2=V*T2, because V is known numeric value, so just can calculate the size of L1 and L2 according to the value of T1 and T2, because: L=L1+L2, so PLC just can calculate the relative position of trouble spot between traveling wave detector device A and traveling wave detector device B, then PLC is according to the GPS position information of the traveling wave detector device A preset and traveling wave detector device B, just can calculate the GPS position information of trouble spot,
4) navigation also trace fault point: the positional information of trouble spot is sent to navigational system by PLC, and tracing navigation is carried out as destination in the position of trouble spot by navigational system.
Compared with prior art, this electric network fault positioning system and localization method thereof, trouble spot in electrical network can not only be located exactly, navigational system can also be utilized to navigate accurately to trouble spot and follow the trail of, can within the shortest time, find trouble spot and keep in repair, shorten servicing time, ensure that power supplying efficiency
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (3)
1. an electric network fault positioning system, is characterized in that, comprises several rows ripple pick-up unit, central control system and navigational system, and each traveling wave detector device is all connected with central control system wireless signal with navigational system.
2. electric network fault positioning system as claimed in claim 1, it is characterized in that: described central control system comprises PLC, described each traveling wave detector device is all connected by GPS with central control system with navigational system.
3. use a localization method for the electric network fault positioning system described in claim 1-2 Arbitrary Term, it is characterized in that: comprise the following steps:
1) traveling wave detector device is located: each traveling wave detector device is located by GPS, then the positional information of each traveling wave detector device is preset in PLC;
2) localization of faults position: after line fault, the traveling wave time of two the traveling wave detector devices be connected with faulty line changes, PLC according to the change localization of faults of time between any two traveling wave detector devices, be defined as traveling wave detector device A and traveling wave detector device B;
3) trouble spot particular location is calculated: the distance between definition line ripple pick-up unit A and traveling wave detector device B is L, the time turning back to starting point after the row ripple of traveling wave detector device A runs into trouble spot is T1, the time returning starting point after the row ripple of traveling wave detector device B runs into trouble spot is T2, the distance of trouble spot distance traveling wave detector device A is L1, the distance of trouble spot distance traveling wave detector device B is L2, traveling wave speed is V, then according to formula: L1=V*T1, L2=V*T2, because V is known numeric value, so just can calculate the size of L1 and L2 according to the value of T1 and T2, because: L=L1+L2, so PLC just can calculate the relative position of trouble spot between traveling wave detector device A and traveling wave detector device B, then PLC is according to the GPS position information of the traveling wave detector device A preset and traveling wave detector device B, just can calculate the GPS position information of trouble spot,
4) navigation also trace fault point: the positional information of trouble spot is sent to navigational system by PLC, and tracing navigation is carried out as destination in the position of trouble spot by navigational system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655471.6A CN104345250A (en) | 2014-11-18 | 2014-11-18 | Grid fault positioning system and positioning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410655471.6A CN104345250A (en) | 2014-11-18 | 2014-11-18 | Grid fault positioning system and positioning method thereof |
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| CN104345250A true CN104345250A (en) | 2015-02-11 |
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| CN201410655471.6A Pending CN104345250A (en) | 2014-11-18 | 2014-11-18 | Grid fault positioning system and positioning method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730422A (en) * | 2015-03-31 | 2015-06-24 | 河南行知专利服务有限公司 | Power distribution network single-phase earth fault positioning device and method |
Citations (5)
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| JPH01214774A (en) * | 1988-02-23 | 1989-08-29 | Toshiba Corp | Control apparatus for power-transmission-line monitoring robot |
| CN1258845A (en) * | 1998-12-28 | 2000-07-05 | 日本高压电气株式会社 | Fault locating system |
| CN2682427Y (en) * | 2003-12-18 | 2005-03-02 | 湖南湘能许继高科技股份有限公司 | Transmission network fault location device based on travelling wave time deviation |
| CN201965196U (en) * | 2010-12-15 | 2011-09-07 | 河南省电力公司许昌供电公司 | Intelligent positioning system for transmission line malfunction |
| CN103364693A (en) * | 2013-07-15 | 2013-10-23 | 国家电网公司 | Electric transmission line traveling wave fault distance measurement method based on regional data |
-
2014
- 2014-11-18 CN CN201410655471.6A patent/CN104345250A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214774A (en) * | 1988-02-23 | 1989-08-29 | Toshiba Corp | Control apparatus for power-transmission-line monitoring robot |
| CN1258845A (en) * | 1998-12-28 | 2000-07-05 | 日本高压电气株式会社 | Fault locating system |
| CN2682427Y (en) * | 2003-12-18 | 2005-03-02 | 湖南湘能许继高科技股份有限公司 | Transmission network fault location device based on travelling wave time deviation |
| CN201965196U (en) * | 2010-12-15 | 2011-09-07 | 河南省电力公司许昌供电公司 | Intelligent positioning system for transmission line malfunction |
| CN103364693A (en) * | 2013-07-15 | 2013-10-23 | 国家电网公司 | Electric transmission line traveling wave fault distance measurement method based on regional data |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730422A (en) * | 2015-03-31 | 2015-06-24 | 河南行知专利服务有限公司 | Power distribution network single-phase earth fault positioning device and method |
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Application publication date: 20150211 |
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