CN104698341A - Method and system for positioning lightning strike fault point of distribution line - Google Patents
Method and system for positioning lightning strike fault point of distribution line Download PDFInfo
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- CN104698341A CN104698341A CN201510104947.1A CN201510104947A CN104698341A CN 104698341 A CN104698341 A CN 104698341A CN 201510104947 A CN201510104947 A CN 201510104947A CN 104698341 A CN104698341 A CN 104698341A
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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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Abstract
The invention provides a method and a system for positioning a lightning strike fault point of a distribution line. The method comprises the steps of determining the power off range of a distribution network faulted line according to the action information of a wire outgoing switch of a transformer substation and an automatic switch on an upper column of a distribution line; starting a lightning positioning system search engine to search ground lightning and cloud lightning positioning information along the distribution line according to the power off range of the distribution line, so as to determine each positioning point, lightning current width I, lightning type, linear distance to the distribution line and heat of the distribution line relative to the ground; calculating a sequence of fault points leading to tripping of the distribution line according to each positioning point, lightning current width I, lightning type, linear distance to the distribution line and heat of the distribution line relative to the ground; pushing the fault point sequence to a fault point positioning receiving terminal corresponding to related area. According to the technology, the method has the advantages that the lightning strike fault point of the distribution line can be quickly positioned, thus accurate information can be provided to quickly recover the power supply of the distribution line, and the power supply reliability of the distribution line can be improved.
Description
Technical field
The present invention relates to distribution technique field, particularly relate to a kind of distribution line lightning fault independent positioning method and system.
Background technology
Power distribution network distributes electric energy directly to vast power consumer, and accept power transmission network provides direct responsibility from electric energy to user, the safe and reliable power supply of distribution line is the basis of electric reliability.
Distribution network due to the complicated network structure, dielectric level lower, tower grounding situation is general not good, and damage to crops caused by thunder causes distribution line failure very common.Therefore, for low pressure and 10-35kV distribution line lightning failure point quick position, seem particularly important.
Current, depend on distribution line lightning fault point location and manually check mode, speed is comparatively slow, and is difficult to, for distribution line fast power restoration provides information accurately, have impact on distribution line power supply reliability.
Summary of the invention
Based on this, be necessary for above-mentioned technical matters, a kind of distribution line lightning fault independent positioning method and system are provided.
A kind of distribution line lightning fault independent positioning method, comprises the steps:
Step (1): according to the action message determination Distribution Network Failure line outage scope of robotization switch on transformer station's outlet switch and distribution line upper prop;
Step (2): according to described distribution line power failure range, start lightning positioning system query engine to dodge along the line distribution line and cloud dodges locating information and inquires about, determine each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance and distribution line to ground level;
Step (3): according to each anchor point, lightning current amplitude, lightning types, calculate with distribution line air line distance and distribution line above ground altimeter the trouble spot causing distribution line to trip and sort;
Step (4): trouble spot sequence is pushed to localization of fault receiving terminal corresponding to relevant range.
A kind of distribution line lightning fault point positioning system, comprising:
Range determination module, for the action message determination Distribution Network Failure line outage scope according to robotization switch on transformer station's outlet switch and distribution line upper prop;
Information inquiry module, for according to described distribution line power failure range, start lightning positioning system query engine to dodge along the line distribution line and cloud dodges locating information and inquires about, determine each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance and distribution line to ground level;
Sequence computing module, for according to each anchor point, lightning current amplitude, lightning types, calculate with distribution line air line distance and distribution line above ground altimeter the trouble spot causing distribution line to trip and sort;
Info push module, for being pushed to localization of fault receiving terminal corresponding to relevant range by trouble spot sequence.
Above-mentioned distribution line lightning fault independent positioning method and system, first according to the action message determination Distribution Network Failure line outage scope of respective switch, then distribution line is dodged along the line and cloud dodge locating information inquire about, determine each anchor point, lightning current amplitude, lightning types, with distribution line air line distance and distribution line to ground level, calculate the trouble spot causing distribution line to trip accordingly and sort and be pushed to localization of fault receiving terminal corresponding to relevant range.Achieve distribution line lightning failure point quick position, for distribution line fast power restoration provides information accurately, improve distribution line power supply reliability.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of distribution line lightning fault independent positioning method of the present invention;
Fig. 2 is for dodge along the line distribution line and cloud dodges locating information and carries out inquiry schematic diagram;
Fig. 3 is the structural representation of distribution line lightning fault point positioning system of the present invention.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to distribution line lightning fault independent positioning method of the present invention and system.
Shown in figure 1, Fig. 1 is the process flow diagram of distribution line lightning fault independent positioning method of the present invention, comprises the steps:
Step (1): according to the action message determination Distribution Network Failure line outage scope of robotization switch on transformer station's outlet switch and distribution line upper prop.
Step (2): according to described distribution line power failure range, start lightning positioning system query engine to dodge along the line distribution line and cloud dodges locating information and inquires about, determine each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance and distribution line to ground level.
In one embodiment, the process that described step (2) is concrete can comprise as follows:
According to described distribution line power failure range, trigger the query engine of lightning information system; Wherein, described lightning information system has imported distribution network Fundamental Geographic Information Data in region in advance; Determine the distribution line geography information along the line broken down according to failure message, for inquiring about faulty line lightening activity information along the line, comprising faulty line certain limit along the line and dodging thunderbolt situation and cloud sudden strain of a muscle active characteristics interiorly; Specifically can be shown in Figure 2, Fig. 2 is for dodge along the line distribution line and cloud dodges locating information and carries out inquiry schematic diagram.
According to the lightening activity regional extent that (can be 15 minutes) faulty line in described lightening activity information determination setting-up time section is along the line, and determine each anchor point in lightening activity regional extent, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h.
Step (3): according to each anchor point, lightning current amplitude, lightning types, calculate with distribution line air line distance and distribution line above ground altimeter the trouble spot causing distribution line to trip and sort.
In one embodiment, the process that described step (3) is concrete can comprise as follows:
According to each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h, calculate the amplitude ratio value of each anchor point; Wherein, amplitude ratio value computing formula is Ih/S;
Based on faulty line trip time information (being generally accurate to second), determine by the fixed time section (can be 1 minute and front and back 5 minutes before and after the trip time) of trip time the amplitude ratio value sequence that each time period gather respectively, sort according to the described amplitude ratio value sequence localization of faults.
Step (4): trouble spot sequence is pushed to localization of fault receiving terminal corresponding to relevant range.
As a kind of embodiment, result of calculation can be pushed to relevant range automatically by forms such as notes is responsible in repair personnel's hand, as being sent to the mobile phone of repair personnel with note form, so just can facilitate repair personnel's fast finding circuit lightning failure point, thus realize distribution line fast power restoration.
Shown in figure 3, Fig. 3 is the structural representation of distribution line lightning fault point positioning system of the present invention, comprising:
Range determination module, for the action message determination Distribution Network Failure line outage scope according to robotization switch on transformer station's outlet switch and distribution line upper prop;
Information inquiry module, for according to described distribution line power failure range, start lightning positioning system query engine to dodge along the line distribution line and cloud dodges locating information and inquires about, determine each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance and distribution line to ground level;
Sequence computing module, for according to each anchor point, lightning current amplitude, lightning types, calculate with distribution line air line distance and distribution line above ground altimeter the trouble spot causing distribution line to trip and sort;
Info push module, for being pushed to localization of fault receiving terminal corresponding to relevant range by trouble spot sequence.
In one embodiment, described information inquiry module, can be further used for:
According to described distribution line power failure range, trigger the query engine of lightning information system; Wherein, described lightning information system has imported distribution network Fundamental Geographic Information Data in region in advance;
Determine the distribution line geography information along the line broken down according to failure message, for inquiring about faulty line lightening activity information along the line, comprising faulty line certain limit along the line and dodging thunderbolt situation and cloud sudden strain of a muscle active characteristics interiorly;
According to the lightening activity regional extent that (can be 15 minutes) faulty line in described lightening activity information determination setting-up time section is along the line, and determine each anchor point in lightening activity regional extent, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h.
In one embodiment, described sequence computing module, can be further used for:
According to each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h, calculate the amplitude ratio value of each anchor point; Wherein, amplitude ratio value computing formula is Ih/S;
Based on faulty line trip time information (being generally accurate to second), determine by the fixed time section (can be 1 minute and front and back 5 minutes before and after the trip time) of trip time the amplitude ratio value sequence that each time period gather respectively, sort according to the described amplitude ratio value sequence localization of faults.
Distribution line lightning fault point positioning system of the present invention and distribution line lightning fault independent positioning method one_to_one corresponding of the present invention, the technical characteristic of setting forth in the embodiment of above-mentioned distribution line lightning fault independent positioning method and beneficial effect thereof are all applicable to, in the embodiment of distribution line lightning fault point positioning system, hereby state.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a distribution line lightning fault independent positioning method, is characterized in that, comprises the steps:
Step (1): according to the action message determination Distribution Network Failure line outage scope of robotization switch on transformer station's outlet switch and distribution line upper prop;
Step (2): according to described distribution line power failure range, start lightning positioning system query engine to dodge along the line distribution line and cloud dodges locating information and inquires about, determine each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance and distribution line to ground level;
Step (3): according to each anchor point, lightning current amplitude, lightning types, calculate with distribution line air line distance and distribution line above ground altimeter the trouble spot causing distribution line to trip and sort;
Step (4): trouble spot sequence is pushed to localization of fault receiving terminal corresponding to relevant range.
2. distribution line lightning fault independent positioning method according to claim 1, is characterized in that, described step (2) specifically comprises:
According to described distribution line power failure range, trigger the query engine of lightning information system; Wherein, described lightning information system has imported distribution network Fundamental Geographic Information Data in region in advance;
Determine the distribution line geography information along the line broken down according to failure message, for inquiring about faulty line lightening activity information along the line, comprising faulty line certain limit along the line and dodging thunderbolt situation and cloud sudden strain of a muscle active characteristics interiorly;
According to the lightening activity regional extent that described lightening activity information determination setting-up time section internal fault circuit is along the line, and determine each anchor point in lightening activity regional extent, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h.
3. distribution line lightning fault independent positioning method according to claim 2, is characterized in that, described setting-up time section is 15 minutes.
4. distribution line lightning fault independent positioning method according to claim 1, is characterized in that, described step (3) specifically comprises:
According to each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h, calculate the amplitude ratio value of each anchor point; Wherein, amplitude ratio value computing formula is Ih/S;
Based on faulty line trip time information, determine by the fixed time section of trip time the amplitude ratio value sequence that each time period gathers respectively, according to described amplitude ratio value sequence localization of faults sequence.
5. distribution line lightning fault independent positioning method according to claim 4, is characterized in that, described fixed time section is 1 minute and front and back 5 minutes before and after the trip time.
6. a distribution line lightning fault point positioning system, is characterized in that, comprising:
Range determination module, for the action message determination Distribution Network Failure line outage scope according to robotization switch on transformer station's outlet switch and distribution line upper prop;
Information inquiry module, for according to described distribution line power failure range, start lightning positioning system query engine to dodge along the line distribution line and cloud dodges locating information and inquires about, determine each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance and distribution line to ground level;
Sequence computing module, for according to each anchor point, lightning current amplitude, lightning types, calculate with distribution line air line distance and distribution line above ground altimeter the trouble spot causing distribution line to trip and sort;
Info push module, for being pushed to localization of fault receiving terminal corresponding to relevant range by trouble spot sequence.
7. distribution line lightning fault point positioning system according to claim 6, it is characterized in that, described information inquiry module, is further used for:
According to described distribution line power failure range, trigger the query engine of lightning information system; Wherein, described lightning information system has imported distribution network Fundamental Geographic Information Data in region in advance;
Determine the distribution line geography information along the line broken down according to failure message, for inquiring about faulty line lightening activity information along the line, comprising faulty line certain limit along the line and dodging thunderbolt situation and cloud sudden strain of a muscle active characteristics interiorly;
According to the lightening activity regional extent that described lightening activity information determination setting-up time section internal fault circuit is along the line, and determine each anchor point in lightening activity regional extent, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h.
8. distribution line lightning fault point positioning system according to claim 7, is characterized in that, described setting-up time section is 15 minutes.
9. distribution line lightning fault point positioning system according to claim 6, is characterized in that, described sequence computing module, is further used for:
According to each anchor point, lightning current amplitude I, lightning types, with distribution line air line distance S and distribution line to ground level h, calculate the amplitude ratio value of each anchor point; Wherein, amplitude ratio value computing formula is Ih/S;
Based on faulty line trip time information, determine by the fixed time section of trip time the amplitude ratio value sequence that each time period gathers respectively, according to described amplitude ratio value sequence localization of faults sequence.
10. distribution line lightning fault point positioning system according to claim 9, is characterized in that, described fixed time section is 1 minute and front and back 5 minutes before and after the trip time.
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| CN201510104947.1A CN104698341A (en) | 2015-03-10 | 2015-03-10 | Method and system for positioning lightning strike fault point of distribution line |
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Cited By (5)
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| CN105067904A (en) * | 2015-07-17 | 2015-11-18 | 云南电力试验研究院(集团)有限公司 | Thunder early warning data evaluation method based on historic thunder positioning data and power grid trip-out data |
| CN105445619A (en) * | 2015-11-25 | 2016-03-30 | 国网辽宁省电力有限公司阜新供电公司 | Power distribution circuit fault point positioning method |
| CN106771883A (en) * | 2017-01-22 | 2017-05-31 | 中国电力科学研究院 | A kind of multi-source information distribution fault localization method and system based on cloud |
| CN107490781A (en) * | 2016-08-26 | 2017-12-19 | 深圳大学 | Use mobile terminal detection and the method for co-located lightning |
| CN112630597A (en) * | 2020-12-25 | 2021-04-09 | 广东电网有限责任公司 | Fault determination method, device, equipment and storage medium |
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| CN107490781B (en) * | 2016-08-26 | 2019-05-31 | 深圳大学 | Use the method for mobile terminal detection and co-located lightning |
| CN106771883A (en) * | 2017-01-22 | 2017-05-31 | 中国电力科学研究院 | A kind of multi-source information distribution fault localization method and system based on cloud |
| CN106771883B (en) * | 2017-01-22 | 2022-07-26 | 中国电力科学研究院 | Multi-source information power distribution fault positioning method and system based on cloud |
| CN112630597A (en) * | 2020-12-25 | 2021-04-09 | 广东电网有限责任公司 | Fault determination method, device, equipment and storage medium |
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