CN102118021B - Transmission line three-dimensional panoramic model-based fault processing method and system - Google Patents
Transmission line three-dimensional panoramic model-based fault processing method and system Download PDFInfo
- Publication number
- CN102118021B CN102118021B CN201010033624.5A CN201010033624A CN102118021B CN 102118021 B CN102118021 B CN 102118021B CN 201010033624 A CN201010033624 A CN 201010033624A CN 102118021 B CN102118021 B CN 102118021B
- Authority
- CN
- China
- Prior art keywords
- information
- fault
- transmission line
- maintenance crew
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 92
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000012423 maintenance Methods 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000004807 localization Effects 0.000 claims description 24
- 230000007257 malfunction Effects 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000008030 elimination Effects 0.000 claims description 9
- 238000003379 elimination reaction Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000008439 repair process Effects 0.000 abstract description 7
- 239000012212 insulator Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012876 topography Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000013024 troubleshooting Methods 0.000 description 3
- 241000422846 Sequoiadendron giganteum Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000003012 network analysis Methods 0.000 description 2
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Landscapes
- Locating Faults (AREA)
Abstract
The invention discloses a transmission line fault processing method. The method comprises the following steps of: establishing a transmission line three-dimensional panoramic model; acquiring equipment fault information of a fault location protection system; acquiring microclimate information, machine account information, lightning information, online video information and maintenance crew position information related to a transmission line according to the transmission line three-dimensional panoramic model; determining an analogue fault equipment position in the three-dimensional panoramic model according to the equipment fault information; displaying and outputting a maintenance path in the three-dimensional panoramic model according to the analogue fault equipment position and the maintenance crew position information; generating fault processing information according to the equipment fault information and the microclimate information, the machine account information, the lightning information and the online video information related to the transmission line; and outputting the fault processing information. By implementing the method, a fault place can be positioned rapidly in the three-dimensional panoramic mode, a fault occurrence reason can be analyzed and an optimal repair path can be searched; therefore, the efficiency and the accuracy of fault repair of a power system are improved.
Description
Technical field
The present invention relates to power domain, relate in particular to transmission line malfunction processing method and system in electric power system.
Background technology
Transmission line is " corridor " the formula construction that is arranged in geographical space; its circuit distance; by regional geographical conditions more complicated, with numerous other power circuits and communication line scissors crossing, and conventionally can pass through residential block, river, mountain range and other special area.Insulator on transmission line is exposed in air for a long time, the impact of climate and environmental condition, can be under the effect of extraneous factor (as in thunderbolt, mist, rainy, filthy etc.) there is flashover, cause the generation of transmission line malfunction, these are inevitable problems in operation of power networks.
Come from the importance of transmission line in electric power system, and geographical position is complicated, the feature that easily breaks down, therefore, how to locate rapidly and accurately fault scene, determine fault occurrence cause and seek best repairing path and become the problem receiving much concern in electric power system.
Summary of the invention
One of object of the present invention, is to provide a kind of transmission line malfunction processing method based on transmission line three-dimensional panoramic model, and described method comprises: set up transmission line three-dimensional panoramic model; From fault localization protection system, obtain device fault information; According to described device fault information, obtain microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line; According to described device fault information, in described three-dimensional panoramic model, determine simulated failure device location; According to described simulated failure device location and described maintenance crew positional information calculation, draw the nearest described maintenance crew positional information of the described simulated failure device location of distance, and utilize dijkstra's algorithm to calculate nearest repairing route, in described three-dimensional panoramic model, show described nearest repairing route output; According to the described device fault information microclimate information relevant with transmission line, machine account information, lightning information and Online Video Information generation fault handling information, and described fault handling information is exported; Wherein, according to described simulated failure device location and described maintenance crew positional information calculation, show that the nearest described maintenance crew positional information of the described simulated failure device location of distance is by following formula:
Wherein, X, Y is the transverse and longitudinal coordinate of the position of described simulated failure equipment; X1, Y1 is the transverse and longitudinal coordinate of the position of the first maintenance crew in described maintenance crew position; X2, Y2 is the transverse and longitudinal coordinate of the position of the second maintenance crew in described maintenance crew position; L1 is the distance of the position of simulated failure equipment described in the positional distance of the first maintenance crew; L2 is the distance of the position of simulated failure equipment described in the positional distance of the second maintenance crew; By comparing the size of L1 and L2, calculate the nearest described maintenance crew positional information in position of the described simulated failure equipment of distance.
Another object of the present invention is to, a kind of transmission line malfunction treatment system based on transmission line three-dimensional panoramic model is provided, described system comprises: threedimensional model memory cell, for storing transmission line three-dimensional panoramic model; Fault message acquiring unit, for obtaining device fault information from fault localization protection system; Supplementary acquiring unit, for obtaining microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line according to described device fault information; Analog position determining unit, for determining simulated failure device location according to described device fault information at described three-dimensional panoramic model; Repairing route display unit, for drawing the nearest described maintenance crew positional information of the described simulated failure device location of distance according to described simulated failure device location and described maintenance crew positional information calculation, and utilize dijkstra's algorithm to calculate nearest repairing route, in described three-dimensional panoramic model, show described nearest repairing route output; Process information generation unit, for according to the described device fault information microclimate information relevant with transmission line, machine account information, lightning information and Online Video Information generation fault handling information, and exports described fault handling information; Wherein, described repairing route display unit passes through following formula:
wherein, X, Y is the transverse and longitudinal coordinate of the position of described simulated failure equipment; X1, Y1 is the transverse and longitudinal coordinate of the position of the first maintenance crew in described maintenance crew position; X2, Y2 is the transverse and longitudinal coordinate of the position of the second maintenance crew in described maintenance crew position; L1 is the distance of the position of simulated failure equipment described in the positional distance of the first maintenance crew; L2 is the distance of the position of simulated failure equipment described in the positional distance of the second maintenance crew; By comparing the size of L1 and L2, calculate the nearest described maintenance crew positional information in position of the described simulated failure equipment of distance.
By transmission line malfunction processing method and the treatment system of the embodiment of the present invention, can in three-dimensional panoramic model, locate fast fault scene, analysis of failure occurrence cause and seek best repairing path, improve efficiency and the accuracy of electric power system fault repairing.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the transmission line malfunction processing method based on three-dimensional panoramic model of the embodiment of the present invention;
Fig. 2 is the structural representation of the transmission line malfunction treatment system based on three-dimensional panoramic model of the embodiment of the present invention;
Fig. 3 is the structural representation of the abort situation information acquisition unit in embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of an embodiment that the present invention is based on the transmission line malfunction treatment system of three-dimensional panoramic model;
Fig. 5 is the flow chart of an embodiment that the present invention is based on the transmission line malfunction processing method of three-dimensional panoramic model;
Fig. 6 is the schematic diagram of a specific embodiment that the present invention is based on the transmission line malfunction treatment system of three-dimensional panoramic model.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further details.At this, schematic description and description of the present invention is used for explaining the present invention, but not as a limitation of the invention.
Fig. 1 is the flow chart of the fault handling method based on transmission line three-dimensional panoramic model of the embodiment of the present invention.As shown in the figure, described transmission line malfunction processing method comprises:
Step S101, sets up transmission line three-dimensional panoramic model, comprises and sets up the threedimensional model of electric power line pole tower and set up transmission line satellite image and digital elevation information.
First the foundation of threedimensional model must set up exact figure elevation model (Digital Elevation Model vehicle economy M).Digital elevation model obtained a lot of methods, can utilize ArcGIS Desktop for instrument on the contour map layer of original map vector, adopt inverse distance weighted interpolation method to be generated as digital elevation model.And DEM typically refers at the upper plane coordinates (X, Y) of regular grid point of a certain projection plane (as gauss projection plane) and the data set of elevation (Z), this data set has been described the spatial distribution of this regional landforms form from mathematics.The mesh spacing of DEM should be suitable with its height accuracy, and form well-regulated graticule mesh series, and its interval can be defined by the user, and generally the difference with geomorphic type changes.Then, digital elevation model (DEM) data are shown just and can be seen the dimensional topography being methodically arranged by ArcGlobe control in three dimensions, if there is satellite remote sensing photo, when dimensional topography generates, photo is superposeed up, so just can generate at an easy rate the dimensional topography that the sense of reality is very strong.Three-dimensional atural object in threedimensional model and equipment mainly refer to that controller switching equipment (as shaft tower etc.) and earth's surface cross over thing (as building, trees etc.).Can be in VectorLayer the two-dimensional surface data set of model of creation section, then the texture mapping of preparation model, in database, create elevation and pinup picture field (TEXTUTR, HEADTEXTER), browse afterwards threedimensional model and just can see that realistic electric pole and atural object are present in dimensional topography and have suffered.Whole three-dimensional artificial has strict geographical space coordinate system.In transmission line three-dimensional panoramic model, comprise the three-dimensional panoramic model of shaft tower three-dimensional panoramic model, cable in transmission line and the transmission line threedimensional model of geographical relief around.
Step S102 obtains device fault information from fault localization protection system.Device fault information comprises time of failure, faulty equipment, reclosing action message and fault localization information.
Wherein, faulty equipment this faulty equipment title with and be positioned on what bar transmission line, fault localization information be faulty equipment apart from the physical distance in circuit two ends transformer station or power plant, according to fault localization information and faulty line title, can realize in three-dimensional panoramic model the accurately position of location faulty equipment.
Because in fact most of line fault is instantaneous or temporary, so the electric equipment in transmission line can complete from restoring electricity, reclosing successful reclosing.But if line fault is due to strong external force, automatically closes after power transmission at circuit breaker, action tripping operation again, reclosing unsuccessful reclosing.Whether reclosing action message comprises successful reclosing and the information such as coincidence number of times.
Step S103, obtains microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line according to described device fault information.
In this step, microclimate information comprises temperature information, humidity information, rainfall data, solar irradiance, air pressure, wind direction and wind speed information etc., and these information can obtain by connecting meteorological on-line monitoring system.
Machine account information comprises Unit account of plant information, special area machine account information and the crossing elimination leap machine account information of faulty equipment.Wherein, special area machine account comprises whether the residing region of shaft tower belongs to ,Chong Wu district, Duo Niao district and damage to crops caused by thunder district.Unit account of plant comprises the situations such as configuration of shaft tower, insulator, gold utensil, lead wire and earth wire.Whether crossing elimination is crossed over the situation that machine account comprises described line channel, have and threaten the tall and big trees of circuit operation and architecture against regulations thing etc.These machine account information can be obtained by connecting digitlization Production Managementsystem For Electricpower Network EAM.
Obtaining of lightning information can be obtained by lightning location system, in addition by faulty equipment grounding resistance, can calculate the lightning withstand level of faulty equipment, the amplitude of lightning current of comparison faulty equipment, with reference to machine account information and the damage to crops caused by thunder distributed area division result of faulty equipment, can analyze the probability of transmission line lightning stroke flashover under current amplitude of lightning current.
Online Video information is also the important references of analysis of failure occurrence cause, and it can obtain by video on-line monitoring system.Video on-line monitoring system is arranged on each shaft tower, environment and action message by on-line monitoring system near can Real Time Observation shaft tower,, foreign matter movable such as birds or circuit tendency etc.
Step S104 determines simulated failure device location in three-dimensional panoramic model according to described device fault information.Device fault information comprises fault localization information, and what fault localization information represented is that faulty equipment is apart from the physical distance in circuit two ends transformer station or power plant.In transmission line three-dimensional panoramic model, select circuit, determine range finding distance, just can obtain the accurate location of faulty equipment in three-dimensional panoramic model.
Step S105 shows repairing route output according to described simulated failure device location and described maintenance crew positional information in described three-dimensional panoramic model.
In this step, the maintenance personal's that chosen distance position of failure point (A) is nearest information.If the geographical position of position of failure point (A) is (X, Y), in three-dimensional panoramic model, calculate its from different maintenance personal's geographical position coordinates between distance value, numerical value minimum be the best maintenance personal who goes to repairing.If two maintenance personal positions are first: (X1, Y1) and second: (X2, Y2), computing formula is:
Compare L1 and L2, if L1<L2, first is best maintenance personal; If L1>L2, second is best maintenance personal.
According to behind position of failure point (A) and best maintenance personal's position (B), can in three-dimensional panoramic model, show the path of best repairing.Obtain the method for best repairing path and can utilize network analysis function, calculate the shortest repairing path to abort situation A by best repair personnel's position B.Network analysis adopts classical dijkstra's algorithm conventionally, and the basic ideas of dijkstra's algorithm are:
Summit in road network is divided into two S set and T, has obtained shortest path point and be placed in S, other point is placed in T.During beginning, in S, only contain starting point vs, other point is entirely in T, along with asking the carrying out of shortest path iteration work.Point in S increases gradually, and when terminal vt is also included in S, iteration finishes.For the ease of calculating and distinguish each summit whether entered S set, compose with label to the some vk that has obtained starting point shortest path.This label is comprised of two parts, be designated as (d (vs, vk), i).Wherein i is vk to the front point on starting point shortest path, and d (vs, vk) is the shortest path length from starting point vs to vk.Because each label contains two parts, therefore be called two labeling methods.The basic process of shortest path first is as follows:
(1) give starting point vs compose with label (0, s), and vs is placed in to S, other summit is in set T.
(2), to starting point terminal limit in T in S, calculate:
D (vs, vk)=mim{d (vs, vi)+minj[Wij] | vi ∈ s, vj ∈ T}, and vk is placed in to S, be assigned to simultaneously its label (d (vs, vk), i).
(3) repeating step (2) calculates and finishes when vt ∈ S, and first label of vt provides the shortest path length of vs → vt; Utilize second label backward tracing, can obtain shortest path.
Step S106, generates fault handling information according to the described device fault information microclimate information relevant with transmission line, machine account information, lightning information and line video information, and described fault handling information is exported.
Above-mentioned mentioning, because in fact most of line fault is instantaneous or temporary, so the electric equipment in transmission line can complete from restoring electricity, reclosing successful reclosing.But if line fault is due to strong external force, automatically closes after power transmission at circuit breaker, action tripping operation again, reclosing unsuccessful reclosing.If successful reclosing, can show that fault is that the bird that birds activity or foreign matter cause dodges or foreign matter short circuit, or insulation configuration does not meet the pollution flashover causing, or the instantaneous short circuit of being struck by lightning and causing, these information can be by checking machine account information, lightning information and Online Video information acquisition.If unsuccessful reclosing, or continuous breaking, can show to be the windage yaw that causes of strong external force or other faults such as to wave.Obtaining of these information can be by checking that microclimate information, machine account information and Online Video information obtain.Therefore, can obtain fault handling information by above-mentioned accident analysis flow process, obtain the reason that fault occurs.
The interface of fault handling information and repairing route output can be the IE browser that embeds ArcGIS Exploer plug-in unit, can be also the client of ArcGIS Exploer.
Fig. 2 is the structural representation of the transmission line malfunction treatment system based on transmission line three-dimensional panoramic model of the embodiment of the present invention.As shown in the figure, the fault processing system of the embodiment of the present invention comprises:
Threedimensional model memory cell 101, for storing transmission line three-dimensional panoramic model.Transmission line three-dimensional panoramic model in threedimensional model memory cell 101 can connect peripheral hardware transmission line obtaining three-dimensional model by interface.
Fault message acquiring unit 102, for obtaining device fault information from fault localization protection system.Device fault information comprises time of failure, faulty equipment, reclosing action message and fault localization information.Wherein, faulty equipment this faulty equipment title with and be positioned on what bar transmission line, fault localization information be faulty equipment apart from the physical distance in circuit two ends transformer station or power plant, according to fault localization information and faulty line title, can realize in three-dimensional panoramic model the accurately analog position of location faulty equipment.
Because in fact most of line fault is instantaneous or temporary, so the electric equipment in transmission line can complete from restoring electricity, reclosing successful reclosing.But if line fault is due to strong external force, automatically closes after power transmission at circuit breaker, action tripping operation again, reclosing unsuccessful reclosing.Whether reclosing action message comprises successful reclosing and the information such as coincidence number of times.
Supplementary acquiring unit 103, for obtaining microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line according to described device fault information.As shown in Figure 3, abort situation information acquisition unit 103 comprises microclimate information acquisition unit 1031, for obtaining microclimate information corresponding to described simulated failure position, comprise temperature information, humidity information, rainfall data, solar irradiance, air pressure, wind direction and wind speed information; Machine account information acquiring unit 1032, for obtaining machine account information corresponding to described simulated failure position, comprises special area machine account information, Unit account of plant information and crossing elimination leap machine account information; Lightning information acquiring unit 1033, for obtaining lightning information corresponding to described simulated failure position; Online Video information acquisition unit 1034, for obtaining Online Video information corresponding to described simulated failure position.
Analog position determining unit 104, for determining simulated failure device location according to described device fault information at described three-dimensional panoramic model.Device fault information comprises fault localization information, and what fault localization information represented is that faulty equipment is apart from the physical distance in circuit two ends transformer station or power plant.In transmission line three-dimensional panoramic model, select circuit, determine range finding distance, just can obtain the accurate location of faulty equipment in three-dimensional panoramic model.
Repairing route display unit 105, for showing repairing route output according to described simulated failure device location and described maintenance crew positional information at described three-dimensional panoramic model.In this step, realize the nearest best maintenance personal of chosen distance position of failure point, and generate the best repairing route that maintenance personal goes to fault origination point.
Process information generation unit 106, for generating fault handling information according to the described device fault information microclimate information relevant with transmission line, machine account information, lightning information and line video information, and exports described fault handling information.The interface of fault handling information output can be the IE browser that embeds ArcGIS Exploer plug-in unit, can be also the client of ArcGIS Exploer.
Embodiment mono-:
As shown in Figure 4, be the structural representation of an embodiment of transmission line malfunction treatment system of the present invention.In this system 20, comprising:
Transmission line three dimension system interface 201 for connecting outside transmission line three-dimensional panoramic system, reproduces shaft tower in transmission line, lead wire and earth wire and geographical relief panorama comprehensively intuitively.In the present embodiment, transmission line three dimension system can be transmission line three-dimension GIS system, nearly 500,000 square kilometres of the regional extents that this system comprises, terrain model generates with numerical map, and the topographical features things such as river, lake, highway, residential block are covered digitally on table model with the form of face.Transmission line three dimension system interface 201 is connected to the transmission line three dimension system display interface 2071 of output interface 207, for show transmission line three-dimensional panoramic comprehensively.Wherein, show that interface can adopt the IE browser that embeds ArcGIS Exploer plug-in unit.
Error protection ranging system interface 202, for connecting error protection ranging system, to obtain the fault message that comprises fault localization distance.Fault message comprises time of failure, faulty equipment title, reclosing action message and fault localization information.According to described fault localization information and faulty line title, just can in transmission line three-dimensional panoramic model, locate fault point.
Meteorological on-line monitoring system interface 203 is for connecting outside meteorological real-time monitoring system, be used for obtaining real-time weather information, and the meteorological data in real-time update microclimate memory module 209, in microclimate memory module 209, the microclimate information of storage comprises temperature information, humidity information, rainfall data, snowfall information, solar irradiance, air pressure, wind direction and wind speed information etc.
Digital power grid production management system EAM interface 204, for connecting external digital Production Managementsystem For Electricpower Network EAM, for obtaining the machine account information of transmission line equipment.Machine account information comprises Unit account of plant information, special area machine account information and the crossing elimination leap machine account information of faulty equipment.Wherein, special area machine account comprises whether the residing region of shaft tower belongs to ,Chong Wu district, Duo Niao district and damage to crops caused by thunder district etc.; Unit account of plant comprises the situations such as the insulator string of shaft tower insulation configuration and shaft tower arranges; Crossing elimination is crossed over machine account and is comprised near the circuit situation residing region of described shaft tower, whether have threaten circuit operation up to trees and architecture against regulations thing etc.Digital power grid production management system EAM interface 204 is connected to account memory module 208, and the special area machine account information, equipment account information and the crossing elimination that are used for upgrading in account memory module 208 are crossed over account information.
Lightning location system interface 205, for connecting external lightning navigation system, obtains transmission line malfunction equipment in the thunderbolt situation of fault time, and the lightning information in real-time update lightning information memory module 210.
Video on-line monitoring system interface 206, for connecting external video on-line monitoring system, obtains the real-time environment of transmission line malfunction equipment and action message, and the Online Video information in real-time update Online Video information storage module 211.Video on-line monitoring system is arranged on each shaft tower, environment and action message by on-line monitoring system near can Real Time Observation shaft tower,, foreign matter movable such as birds or circuit tendency etc.
After having obtained the abort situation information such as microclimate information, machine account information, lightning information and Online Video information, can be according to described time of failure and described abort situation Information generation fault handling information.
Maintenance personal's information memory cell 212, for storing the maintenance coordinate corresponding relation of maintenance personal's positional information and described three-dimensional panoramic model, when generating maintenance personal's information, and show in transmission line three-dimensional panoramic model according to described simulated failure position and described maintenance coordinate corresponding relation.After obtaining best maintenance personal's information, can in three-dimensional panoramic model, demonstrate best repairing path information.Best repairing path information can show on troubleshooting result display interface 2072.
Troubleshooting result display interface 2072, for output display fault handling information and maintenance personal and repairing route information.Output unit interface can be the IE browser that embeds ArcGIS Exploer plug-in unit, can be also the client of ArcGIS Exploer.
Embodiment bis-:
As shown in Figure 5, for generating the flow chart of an embodiment of fault handling information in transmission line malfunction processing method of the present invention.
Step S501, obtains the device fault information of faulty equipment in transmission line.Device fault information is obtained from error protection ranging system; The fault message obtaining comprises time of failure, faulty equipment, reclosing action situation and fault localization information.
Step S502, judges whether successful reclosing of reclosing action situation.
If successful reclosing, enters step S503, first determine whether bird arcing fault.Inquiry account information, sees that whether this shaft tower is in Duo Niao district, and inquiry Online Video information, sees if there is birds activity or birds droppings residual.If there is these signs, can judge that it is bird arcing fault, exporting fault handling information is bird arcing fault.
If do not have bird to dodge sign, enter step S504, determine whether foreign matter short trouble.Inquiry Online Video information, observes on lead wire and earth wire, insulator whether be wound with the foreign matter that threatens line security operation, if had, can be judged as foreign matter short circuit, and output fault handling information is foreign matter short trouble.
If there is no foreign matter short circuit sign, enter step S505, whether failure judgement time of origin is the 1-4 month or the 10-12 month.
If time of failure is the 1-4 month or the 10-12 month, enter step S506, whether the insulation configuration of failure judgement equipment meets dirty district needs.The account information of inquiry fault point, Kan Gai district whether in dirty district ,Wu district grade and, according to the dirty requirement of distinguishing in level and external insulation choice criteria > > of Q/GDW152-2006 < < high-tension overhead line and transformer station, whether the insulation configuration of failure judgement point meets the requirement in dirty district of living in.If the insulation configuration of fault point does not meet dirty district needs, can be judged as pollution flashover, output fault handling information is pollution flashover fault.If meet, can be judged as agnogenio.Output fault handling information is agnogenio.
If time of failure is not the 1-4 month or the 10-12 month, enter step S507, thunderbolt situation and the machine account information of inquiry fault point, first inquire about account information, check fault point account whether in area with more lightning activities with and damage to crops caused by thunder district grade, and grounding resistance of fault point, lightning protection facility configuring condition etc.If there is thunderbolt near fault point, can be judged as lightning fault, output fault handling information is lightning fault, if there is no thunderbolt, can be judged as agnogenio, output fault handling information be agnogenio.
If reclosing is unsuccessful, according to microclimate information and the machine account information of fault point, carry out analyzing failure cause.Enter step S508, check fault point machine account, whether in Yi Fa windage yaw district, and the real time information when obtaining fault and occur by meteorological on-line monitoring system, wind direction and the wind speed information of checking fault point.
If fault has strong wind weather while occurring, enter step S509, check microclimate information and machine account information, if belonging to, residing region, fault point easily waves district, and its temperature is at+5 ℃～-5 ℃, humidity is greater than 85% can be thought and be easy to icing, belongs to and waves fault, and output fault handling information is for waving fault; If do not belonged to, easily do not wave district, or temperature and humidity do not reach the condition of icing, can be judged as windage yaw fault, output fault handling information is windage yaw fault.
If there is no at that time strong wind weather, enter step S510, check machine account information, check that whether fault point is in being subject to outside destroy district, if, can be judged as and belong to outside destroy fault, the outside destroy that may cause for big machinery vehicle (as crane etc.), construction site etc., output fault handling information is outside destroy fault.If do not belong to outside destroy district, agnogenio, output fault handling information is agnogenio.
Concrete fault take once below as example explanation:
As shown in Figure 6; there is power-off fault in somewhere; first; transmission line malfunction treatment system 20 is by error protection ranging system interface 202; receive and through error protection ranging system, record error protection range finding and be: apart from 40 kilometers, 80 kilometers of ，Ju B transformer stations of A transformer station, be positioned on AB circuit; time of failure is 14: 30 to 14: 32 on the 21st August, and not success of reclosing.
Obtain, after error protection range finding, by transmission line three dimension system interface, opening transmission line three dimension system and being presented on user function interface.After input fault protection range finding, can in three dimension system, locate fault point near No. 285 towers of AB line.
After having determined that fault point is No. 285 shaft towers, the machine account information of No. 285 towers of inquiry, as shown in table 1, for Unit account of plant information, special area machine account information and the crossing elimination of No. 285 towers storing in the machine account memory module in transmission line malfunction treatment system are crossed over machine account information.
Table 1
The special area machine account memory module of checking No. 285 towers is known, and this base shaft tower belongs to He Chongwu district, Duo Niao district, in A level damage to crops caused by thunder district, and e Ji Wu district.Check that Unit account of plant memory module learns, this grade of shaft tower insulation configuration is 30 Composite glass insulators, the configuration requirement that meets e Ji Wu district, although and in He Chongwu district, Duo Niao district, but while occurring due to fault, be August, precipitation is more, and insulator contamination is relatively light, can tentatively judge that this fault is not pollution flashover.Inquiry circuit scissors crossing machine account memory module, there is no near No. 285 towers and threatens the tall and big trees of circuit operation or architecture against regulations thing etc., therefore also can get rid of the possibility of tree bamboo electric discharge.
Finally inquire about near the microclimate environment of towers No. 285, understand the microclimate information such as on-the-spot temperature, humidity and wind speed.It is known that inquiry is stored in the microclimate information of the fault moment in microclimate memory module, when fault occurs, near No. 285 towers, there is no the hazard weathers such as rainfall, thunderbolt, but occurred at short notice rare high wind, the reason that therefore can tentatively judge this fault may be insulator string windage yaw electric discharge.And check Online Video information, find the vestige that fault in-situ has high wind to destroy, the tower body side of wire and wire horizontal side all has spark tracking, meets the track of windage yaw electric discharge, so far can judge, this time fault is the circuit windage yaw breaking that rare squall line wind causes.
Determine behind fault spot, inquiry maintenance crew information, inquires about knownly, and No. 285 towers are totally 3 maintenance crew of ,Yi maintenance crew of You Jia maintenance crew and the third maintenance crew around, calculate No. 285 towers apart from the distance of San Ge maintenance crew, the Wei Jia maintenance crew of maintenance crew that No. 285 towers of range of a signal are nearest.Therefore can determine that first maintenance crew is best repairing troop.
Then by the transmission line three dimension system display interface of output interface, check best repairing path information.By analogue navigation in three dimension system, can determine that best repairing route is: first breakdown gang, by way of D national highway, country highway, finally arrives No. 285 towers along walking line walking road and rushes to repair.
After having determined failure cause, system will show that by troubleshooting result display interface fault handling information is:
Fault scene: No. 285 towers;
Failure cause: insulator string windage yaw electric discharge;
Breakdown repair team: first breakdown gang;
Breakdown repair path: by way of D national highway, country highway, finally arrive No. 285 towers along walking line walking road and rush to repair, 20 kilometers, road.
By transmission line malfunction processing method and the treatment system of the embodiment of the present invention, can in three-dimensional panoramic model, locate fast fault scene, analysis of failure occurrence cause and seek best repairing path, improve efficiency and the accuracy of electric power system fault repairing.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. the transmission line malfunction processing method based on transmission line three-dimensional panoramic model, is characterized in that, described method comprises:
Set up transmission line three-dimensional panoramic model;
From fault localization protection system, obtain device fault information;
According to described device fault information, obtain microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line;
According to described device fault information, in described three-dimensional panoramic model, determine simulated failure device location;
According to described simulated failure device location and described maintenance crew positional information calculation, draw the nearest described maintenance crew positional information of the described simulated failure device location of distance, and utilize dijkstra's algorithm to calculate nearest repairing route, in described three-dimensional panoramic model, show described nearest repairing route output;
According to the described device fault information microclimate information relevant with transmission line, machine account information, lightning information and Online Video Information generation fault handling information, and described fault handling information is exported;
Wherein, according to described simulated failure device location and described maintenance crew positional information calculation, show that the nearest described maintenance crew positional information of the described simulated failure device location of distance is by following formula:
Wherein, X, Y is the transverse and longitudinal coordinate of the position of described simulated failure equipment;
X1, Y1 is the transverse and longitudinal coordinate of the position of the first maintenance crew in described maintenance crew position;
X2, Y2 is the transverse and longitudinal coordinate of the position of the second maintenance crew in described maintenance crew position;
L1 is the distance of the position of simulated failure equipment described in the positional distance of the first maintenance crew;
L2 is the distance of the position of simulated failure equipment described in the positional distance of the second maintenance crew;
By comparing the size of L1 and L2, calculate the nearest described maintenance crew positional information in position of the described simulated failure equipment of distance.
2. fault handling method as claimed in claim 1, is characterized in that, the described transmission line three-dimensional panoramic model of setting up, comprising:
Set up the threedimensional model of electric power line pole tower and set up transmission line satellite image and digital elevation information.
3. fault handling method as claimed in claim 1, is characterized in that, describedly from fault localization protection system, obtains device fault information, comprising:
From described fault localization protection system, obtain time of failure, faulty equipment, reclosing action message and fault localization information.
4. fault handling method as claimed in claim 3, it is characterized in that, the device fault information described in described basis is obtained microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line and is comprised:
By connecting meteorological on-line monitoring system, obtain the microclimate information corresponding with described faulty equipment;
By connecting digitlization Production Managementsystem For Electricpower Network EAM, obtain the machine account information that described faulty equipment is corresponding;
By connecting lightning location system, obtain the lightning information corresponding with described faulty equipment;
By connecting video on-line monitoring system, obtain the Online Video information corresponding with described faulty equipment.
5. fault handling method as claimed in claim 4, is characterized in that, the described machine account information that described faulty equipment is corresponding of obtaining comprises:
Obtain special area machine account information, Unit account of plant information and the crossing elimination that described faulty equipment is corresponding and cross over machine account information.
6. fault handling method as claimed in claim 4, is characterized in that, the described microclimate information that described faulty equipment is corresponding of obtaining comprises:
Obtain temperature information, humidity information, rainfall data, solar irradiance, air pressure, wind direction and wind speed information that described faulty equipment is corresponding.
7. the transmission line malfunction treatment system based on transmission line three-dimensional panoramic model, is characterized in that, described system comprises:
Threedimensional model memory cell, for storing transmission line three-dimensional panoramic model;
Fault message acquiring unit, for obtaining device fault information from fault localization protection system;
Supplementary acquiring unit, for obtaining microclimate information, machine account information, lightning information, Online Video information and the maintenance crew positional information relevant to described transmission line according to described device fault information;
Analog position determining unit, for determining simulated failure device location according to described device fault information at described three-dimensional panoramic model;
Repairing route display unit, for drawing the nearest described maintenance crew positional information of the described simulated failure device location of distance according to described simulated failure device location and described maintenance crew positional information calculation, and utilize dijkstra's algorithm to calculate nearest repairing route, in described three-dimensional panoramic model, show described nearest repairing route output;
Process information generation unit, for according to the described device fault information microclimate information relevant with transmission line, machine account information, lightning information and Online Video Information generation fault handling information, and exports described fault handling information;
Wherein, described repairing route display unit passes through following formula:
Wherein, X, Y is the transverse and longitudinal coordinate of the position of described simulated failure equipment;
X1, Y1 is the transverse and longitudinal coordinate of the position of the first maintenance crew in described maintenance crew position;
X2, Y2 is the transverse and longitudinal coordinate of the position of the second maintenance crew in described maintenance crew position;
L1 is the distance of the position of simulated failure equipment described in the positional distance of the first maintenance crew;
L2 is the distance of the position of simulated failure equipment described in the positional distance of the second maintenance crew;
By comparing the size of L1 and L2, calculate the nearest described maintenance crew positional information in position of the described simulated failure equipment of distance.
8. fault processing system as claimed in claim 7, is characterized in that, the transmission line three-dimensional panoramic model in described threedimensional model memory cell comprises:
The threedimensional model of electric power line pole tower and transmission line satellite image and digital elevation information.
9. fault processing system as claimed in claim 7, is characterized in that, the device fault information that described fault message acquiring unit obtains comprises:
Time of failure, faulty equipment, reclosing action message and fault localization information.
10. fault processing system as claimed in claim 9, is characterized in that, described supplementary acquiring unit comprises:
Microclimate information acquisition unit, for obtaining the microclimate information corresponding with described faulty equipment by connecting meteorological on-line monitoring system;
Machine account information acquiring unit, for obtaining by connecting digitlization Production Managementsystem For Electricpower Network EAM the machine account information that described faulty equipment is corresponding;
Lightning information acquiring unit, for obtaining the lightning information corresponding with described faulty equipment by connecting lightning location system;
Online Video information acquisition unit, for obtaining the Online Video information corresponding with described faulty equipment by connecting video on-line monitoring system.
11. fault processing systems as claimed in claim 10, is characterized in that, machine account information corresponding to faulty equipment that described machine account information acquiring unit obtains comprises:
Obtain special area machine account information, Unit account of plant information and the crossing elimination that described faulty equipment is corresponding and cross over machine account information.
12. fault processing systems as claimed in claim 10, is characterized in that, microclimate information corresponding to faulty equipment that described microclimate information acquisition unit is obtained comprises:
Obtain temperature information, humidity information, rainfall data, solar irradiance, air pressure, wind direction and wind speed information that described faulty equipment is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010033624.5A CN102118021B (en) | 2010-01-05 | 2010-01-05 | Transmission line three-dimensional panoramic model-based fault processing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010033624.5A CN102118021B (en) | 2010-01-05 | 2010-01-05 | Transmission line three-dimensional panoramic model-based fault processing method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102118021A CN102118021A (en) | 2011-07-06 |
| CN102118021B true CN102118021B (en) | 2014-02-26 |
Family
ID=44216663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010033624.5A Active CN102118021B (en) | 2010-01-05 | 2010-01-05 | Transmission line three-dimensional panoramic model-based fault processing method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102118021B (en) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323996B (en) * | 2011-09-29 | 2014-01-22 | 广西电网公司电力科学研究院 | Three-dimensional GIS (Geographic Information System) technology based visual state monitoring system for power transmission lines |
| CN103150598B (en) * | 2011-12-06 | 2017-03-22 | 国家电网公司 | Processing system and method for sudden failure of power transmission network |
| CN102945297A (en) * | 2012-10-17 | 2013-02-27 | 西宁供电公司 | Display system for assembly of electric power poles and towers |
| CN103632229A (en) * | 2013-11-27 | 2014-03-12 | 国家电网公司 | Transmission line fault handling method and device |
| CN103837796B (en) * | 2014-03-12 | 2016-09-07 | 国家电网公司 | The transmission line malfunction visualization report method of a kind of sing on web and GIS and system |
| CN105527537A (en) * | 2014-09-28 | 2016-04-27 | 苏州热工研究院有限公司 | Device and method for generator rotor winding turn-to-turn insulation fault diagnosis |
| CN104316043A (en) * | 2014-10-23 | 2015-01-28 | 冀亚男 | Positioning and navigation system and method of common transformers |
| CN104518918B (en) * | 2015-01-28 | 2015-09-16 | 国网四川省电力公司成都供电公司 | A kind of power telecom network fault locating analysis method |
| CN105509728A (en) * | 2015-11-02 | 2016-04-20 | 湖南红太阳新能源科技有限公司 | Photovoltaic power station failure equipment navigation method and system |
| CN105488615A (en) * | 2015-11-25 | 2016-04-13 | 国网黑龙江省电力有限公司信息通信公司 | Repair scheduling method and scheduling module for power system |
| CN105785233A (en) * | 2016-05-23 | 2016-07-20 | 袁孝红 | Comprehensive on-line transmission line fault monitoring system |
| CN106447243A (en) * | 2016-11-30 | 2017-02-22 | 广州科腾信息技术有限公司 | Method for constructing failure-reporting cause relation model of electrical power system |
| CN106771864A (en) * | 2016-12-12 | 2017-05-31 | 国网北京市电力公司 | The early warning system and transmission line of electricity of transmission line of electricity |
| CN107276041A (en) * | 2017-05-16 | 2017-10-20 | 国网山东省电力公司临清市供电公司 | Power distribution network rushes to repair maneuvering platform |
| CN107330140A (en) * | 2017-05-19 | 2017-11-07 | 河北省电力勘测设计研究院 | The method that transformer station is quickly vertically arranged is realized based on BIM technology |
| CN109040662A (en) * | 2017-06-12 | 2018-12-18 | 国网江苏省电力公司徐州供电公司 | Transmission line of electricity method for visually monitoring based on panoramic table |
| CN107358562A (en) * | 2017-07-18 | 2017-11-17 | 海南电网有限责任公司 | For the electric network emergency repairing flattening command system and method under Rainfall Disaster |
| CN107528726A (en) * | 2017-08-21 | 2017-12-29 | 国家电网公司 | A kind of powerline network equipment alarm method and apparatus |
| CN107635293B (en) * | 2017-11-01 | 2018-09-04 | 广州供电局有限公司 | A kind of equipment three-dimensional remote commander maintenance system |
| CN108234654B (en) * | 2018-01-03 | 2019-04-30 | 徐州派特控制技术有限公司 | A kind of equipment remote command maintenance system |
| CN108303618A (en) * | 2018-02-11 | 2018-07-20 | 国网福建省电力有限公司宁德供电公司 | A kind of line fault positioning background management system and its working method |
| CN108360907B (en) * | 2018-04-13 | 2024-03-22 | 国网冀北电力有限公司迁西县供电分公司 | 10kV line dual-power hand-in-hand connection structure and installation and use method thereof |
| CN109934360A (en) * | 2019-02-21 | 2019-06-25 | 国网山东省电力公司临沂供电公司 | Substation fault repairs system and method |
| CN110045934B (en) * | 2019-05-23 | 2022-06-21 | 宜春宜联科技有限公司 | Printer fault processing method and device |
| CN110311468A (en) * | 2019-06-26 | 2019-10-08 | 广东康云科技有限公司 | Substation's three-dimensional live abnormality monitoring method, system, device and storage medium |
| CN110503029A (en) * | 2019-08-21 | 2019-11-26 | 云南电网有限责任公司电力科学研究院 | A kind of detection method of transmission line of electricity glass insulator state |
| CN110543989A (en) * | 2019-08-29 | 2019-12-06 | 中国南方电网有限责任公司 | Power transmission line machine patrol operation safety early warning method and device and computer equipment |
| CN110543954B (en) * | 2019-09-06 | 2023-06-30 | 云南电网有限责任公司电力科学研究院 | Power distribution network fault solving method and power distribution network fault solving device |
| CN110930538A (en) * | 2019-12-18 | 2020-03-27 | 三一重机有限公司 | Method and system for visualizing fault information of vehicle |
| CN111239540A (en) * | 2020-01-15 | 2020-06-05 | 河南经贸职业学院 | Fault positioning method based on artificial intelligence |
| CN113704376A (en) * | 2021-08-27 | 2021-11-26 | 国网上海市电力公司 | Mobile operation-based intelligent navigation method for inspection and first-aid repair of electric power facilities |
| CN115395885B (en) * | 2022-09-21 | 2023-04-11 | 上海英同电气有限公司 | Control method for cutting off fault component in photovoltaic power generation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002199580A (en) * | 2001-12-18 | 2002-07-12 | Nishimu Electronics Industries Co Ltd | Power transmission line fault monitor |
| CN101364733A (en) * | 2008-07-23 | 2009-02-11 | 上海同盛工程建设配套管理有限公司 | Electric power digital integrated management system |
-
2010
- 2010-01-05 CN CN201010033624.5A patent/CN102118021B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002199580A (en) * | 2001-12-18 | 2002-07-12 | Nishimu Electronics Industries Co Ltd | Power transmission line fault monitor |
| CN101364733A (en) * | 2008-07-23 | 2009-02-11 | 上海同盛工程建设配套管理有限公司 | Electric power digital integrated management system |
Non-Patent Citations (1)
| Title |
|---|
| 王晓华，等.基于WebGIS的输电网地理信息系统设计与应用.《电力信息化》.2006,第4卷(第7期),82-85. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102118021A (en) | 2011-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102118021B (en) | Transmission line three-dimensional panoramic model-based fault processing method and system | |
| CN102072992B (en) | Detailed terrain data-based transmission line failure-shielding and lightning-protection performance evaluation method | |
| CN103337133B (en) | Based on the electrical network Thunderstorm early warning system and the method that identify forecasting technique | |
| CN101621191A (en) | Three-dimensional visual processing method and system for extra high voltage transmission line | |
| CN102254239A (en) | Power grid wind damage early warning system based on micro-landform wind field distribution and typhoon superimposed effect | |
| CN102508046B (en) | Real-time lightning stroke prewarning method and device for outdoor electric equipment | |
| CN102903018B (en) | A kind of transmission line of electricity wind speed early warning information disposal route based on GIS | |
| CN103150598B (en) | Processing system and method for sudden failure of power transmission network | |
| CN113298295B (en) | Meteorological forecast system for power production | |
| CN111612315A (en) | Novel power grid disastrous gale early warning method | |
| CN104950351B (en) | The horizontal methods of exhibiting of many meteorological elements compound based on meteorology and system | |
| CN112886468B (en) | Power transmission line region fault positioning method and device based on inspection data | |
| Rawi et al. | A case study on 500 kV line performance related to lightning in Malaysia | |
| CN102946069A (en) | Three-dimensional visualized intelligent monitoring system for extra-high voltage transmission line | |
| CN116579617B (en) | Power grid risk assessment method and system | |
| CN103914737B (en) | A kind of existing the weather information computational methods of power transmission and transformation line full line | |
| CN109784683A (en) | A kind of power grid wide area meteorological disaster integrated campaign method | |
| CN105116292A (en) | Line lightning strike fault point locating method and system | |
| CN114936450A (en) | Digital twin evaluation method and system for dynamic capacity increase of wind power transmission line | |
| CN114254831A (en) | Early warning method for wind power grid | |
| CN111540046B (en) | Virtual reality-based power transmission channel simulation method | |
| CN112526637B (en) | Integrated power grid channel rainstorm monitoring method and system based on uneven weight | |
| Kezunovic et al. | Optimal placement of line surge arresters based on predictive risk framework using spatiotemporally correlated big data | |
| CN108510098B (en) | Power transmission line corridor snow depth estimation and early warning method and system based on satellite remote sensing | |
| CN111831711B (en) | Laser coordinate-based power transmission line common-tower and line cross-crossing statistical method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING YUPONT ELECTRIC POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING YUPONT ELECTRIC POWER TECHNOLOGY CO., LTD. Effective date: 20121228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121228 Address after: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Applicant after: North China Electrical Power Research Institute LLC Applicant after: Beijig Yupont Electric Power Technology Co., Ltd. Applicant after: State Grid Corporation of China Address before: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Applicant before: North China Electrical Power Research Institute LLC Applicant before: Beijig Yupont Electric Power Technology Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Patentee after: North China Electrical Power Research Institute LLC Patentee after: BEIJING YUPONT ELECTRIC POWER TECHNOLOGY CO., LTD. Patentee after: State Grid Corporation of China Address before: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Patentee before: North China Electrical Power Research Institute LLC Patentee before: Beijig Yupont Electric Power Technology Co., Ltd. Patentee before: State Grid Corporation of China |