CN105116292B - Circuit lightning fault independent positioning method and system - Google Patents
Circuit lightning fault independent positioning method and system Download PDFInfo
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- CN105116292B CN105116292B CN201510571431.8A CN201510571431A CN105116292B CN 105116292 B CN105116292 B CN 105116292B CN 201510571431 A CN201510571431 A CN 201510571431A CN 105116292 B CN105116292 B CN 105116292B
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Abstract
The present invention relates to a kind of circuit lightning fault independent positioning method and system, combined circuit trip time point, overhead line structures information and thunderbolt information, by the way that the thunderbolt point in the range of line corridor pre-determined distance is screened away from three kinds of nearest screening conditions of shaft tower coordinate in shaft tower information away from thunderbolt coordinate in amplitude of lightning current maximum in nearest time at line tripping time point, thunderbolt information and thunderbolt information, and the shaft tower nearest away from thunderbolt point is calculated, determine circuit lightning failure point.Bar investigation failure need not be stepped on, so as to solve traditional inefficiencies for stepping on bar investigation failure, effectively improve circuit lightning failure point location efficiency, independent of circuit electric parameter, the fast positioning that line tripping fault point can be achieved in line tripping time point, overhead line structures information and thunderbolt information need to only be monitored, strong applicability, reliability are high.And without installing a large amount of positioners on the line, application cost and maintenance cost are relatively low, risk will not be brought to circuit is safe for operation.
Description
Technical field
The present invention relates to electric field, more particularly to a kind of circuit lightning fault independent positioning method and system.
Background technology
Transmission line of electricity is very wide due to being distributed, and is located in wilderness, several hundred kilometers of being continuous, is subject to be struck by lightning.After transmission line of electricity thunderbolt,
The Intruding wave of transformer station is passed to along transmission line of electricity can threaten the electrical equipment of transformer station, cause a serious accident.Strengthen power transmission line
The lightning protection on road can not only reduce lightning stroke trip number caused by transmission line of lightning strike, also help the electrical equipment peace of transformer station
Row for the national games, it is ensured that power system power supply reliability.After circuit causes tripping operation by thunderbolt, lightning fault is timely and accurately found
Point, be advantageous to find the weak spot of transmission line of electricity lightning protection, targetedly to improve transmission line of electricity lightning protection grade.It is simultaneously defeated
After electric line triggers flashover by thunderbolt, electric transmission line isolator can be damaged and cause its decreasing insulating, exclude event in time
Hinder insulator, can effectively prevent the generation of trip event.
The positioning of existing line lightning stroke trip trouble point checked and the methods of Travelling Wave Fault Location using artificial tower of stepping on more,
The former wastes time and energy and efficiency is low, is not suitable for the quick investigation of failure, and the latter needs to install more set of fault on transmission line of electricity
Positioner, the reliability effect transmission line safety operation of fault locator, while equipment purchasing maintenance cost is also higher,
These factors constrain the large-scale application of this method at this stage, and dependent on the specific electric parameter of transmission line of electricity, work as transmission of electricity
When the electric parameter of circuit changes, larger position error will be brought, reliability is not high.
The content of the invention
Based on this, it is necessary to which for utilizing, existing line lightning fault independent positioning method efficiency is low and reliability is not high
A kind of problem, there is provided circuit lightning fault independent positioning method and system for improving efficiency and reliability.
A kind of circuit lightning fault independent positioning method, comprises the following steps：
Shaft tower information in circuit is obtained, wherein, the shaft tower information includes shaft tower numbering and shaft tower coordinate；
Obtain the time point tripped after circuit is struck by lightning；
On the basis of the time point, all thunderbolts in the range of line corridor pre-determined distance in preset time range are obtained
Information, wherein, the thunderbolt information includes thunderbolt time, amplitude of lightning current and thunderbolt point coordinates；
According to the time point, the shaft tower information and the thunderbolt information, thunderbolt point is screened, described in screening
Be spaced between thunderbolt time and the time point the maximum thunderbolt point of most short thunderbolt point, the amplitude of lightning current and it is described fall
The most short thunderbolt point of distance between thunder coordinate and the shaft tower coordinate；
Determine to be spaced the most short most short bar of thunderbolt point distance in shaft tower between the thunderbolt time and the time point
Tower is Fisrt fault shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance be the second failure shaft tower and
The most short shaft tower of thunderbolt point distance that distance is most short between the thunderbolt coordinate and the shaft tower coordinate is the 3rd failure shaft tower.
The present invention also provides a kind of circuit lightning fault point positioning system, including：
First acquisition module, for obtaining shaft tower information in circuit, wherein, the shaft tower information include shaft tower number and
Shaft tower coordinate；
Second acquisition module, for obtaining the time point tripped after circuit is struck by lightning；
3rd acquisition module, on the basis of the time point, obtain line corridor in preset time range it is default away from
All thunderbolt information from the range of, wherein, the thunderbolt information includes thunderbolt time, amplitude of lightning current and thunderbolt point and sat
Mark；
Screening module, for according to the time point, the shaft tower information and the thunderbolt information, screening the thunderbolt
The maximum thunderbolt point of most short thunderbolt point, the amplitude of lightning current is spaced between time and the time point and the thunderbolt is sat
The most short thunderbolt point of distance between mark and the shaft tower coordinate；
Determining module, it is most short for determining in shaft tower to be spaced most short thunderbolt point distance between thunderbolt time and time point
Shaft tower be Fisrt fault shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance be the second failure shaft tower and
The most short shaft tower of thunderbolt point distance that distance is most short between thunderbolt coordinate and shaft tower coordinate is the 3rd failure shaft tower.
Above-mentioned circuit lightning fault independent positioning method and system, combined circuit trip time point, overhead line structures information and
Thunderbolt information, by away from amplitude of lightning current maximum in nearest time at line tripping time point, thunderbolt information and thunderbolt information
Thunderbolt coordinate is away from falling in the range of the nearest three kinds of screening conditions screening line corridor pre-determined distance of shaft tower coordinate in shaft tower information
Lei Dian, and the shaft tower nearest away from thunderbolt point is calculated, determine circuit lightning failure point.Above-mentioned circuit lightning fault independent positioning method and
System, without stepping on bar investigation failure, so as to solve traditional inefficiencies for stepping on bar investigation failure, effectively improve circuit thunderbolt event
Hinder point location efficiency, independent of the specific electric parameter of circuit, need to only monitor line tripping time point, overhead line structures information and
Thunderbolt information is that the quick lookup of a wide range of, different voltage class circuit lightning failure points, strong applicability, reliability can be achieved
It is high.And without installing a large amount of positioners on the line, application cost and maintenance cost are relatively low, will not give circuit band safe for operation
Carry out risk.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the circuit lightning fault independent positioning method of embodiment；
Fig. 2 is the flow chart of the circuit lightning fault independent positioning method of another embodiment；
Fig. 3 is the flow chart of the circuit lightning fault independent positioning method of another embodiment；
Fig. 4 is the flow chart of the circuit lightning fault independent positioning method of another embodiment；
Fig. 5 is the flow chart of the circuit lightning fault independent positioning method of another embodiment；
Fig. 6 is a kind of module map of the circuit lightning fault point positioning system of embodiment；
Fig. 7 is the module map of the circuit lightning fault point positioning system of another embodiment；
Fig. 8 is the module map of the circuit lightning fault point positioning system of another embodiment.
Embodiment
Referring to Fig. 1, providing a kind of circuit lightning fault independent positioning method of embodiment, comprise the following steps：
S100：Obtain shaft tower information in circuit.
Wherein, shaft tower information includes shaft tower numbering and shaft tower coordinate.Shaft tower is numbered for distinguishing different shaft towers, shaft tower
Geographical latitude and longitude coordinates residing for coordinate representation shaft tower.After circuit triggers flashover by thunderbolt, line insulator may be by
Damage and cause its decreasing insulating or even damage, cause the generation of line tripping, generally, insulator is mounted in bar
On tower, so as to position the shaft tower of possible breakdown by obtaining shaft tower information and follow-up step, in time to the bar of possible breakdown
Tower is investigated, and effectively prevents the generation or sprawling of trip event.
S200：Obtain the time point tripped after circuit is struck by lightning.
Transmission line of electricity distribution is wide, is vulnerable to the attack of thunder and lightning, includes protective relaying device in power system, circuit by
To after thunder and lightning attack tripping operation, to ensure the safety of the transmission line of electricity of power system, protective relaying device action is protected to circuit
Shield, according to the actuation time of protective relaying device, can obtain the time point of line tripping, data foundation is provided for subsequent analysis.
S300：On the basis of time point, obtain in preset time range in the range of line corridor pre-determined distance it is all fall
Thunder information.
Lighting location device is installed on each monitoring station of transmission line of electricity, by lighting location device can obtain circuit by
Thunderbolt information during thunderbolt, you can line corridor is preset in preset time before and after the time point that acquisition circuit trips after being struck by lightning
The thunderbolt information of all thunderbolt points in distance range.Wherein, thunderbolt information includes thunderbolt time, amplitude of lightning current and thunderbolt
Point coordinates.In addition, thunderbolt information may also obtain from meteorological department, you can obtain after circuit is struck by lightning and trip from meteorological department
Time point before and after all thunderbolt points in preset time in the range of line corridor pre-determined distance thunderbolt information.
S400：According to time point, shaft tower information and thunderbolt information, it is spaced between screening thunderbolt time and time point most short
Thunderbolt point, the most short thunderbolt point of distance between the maximum thunderbolt point and thunderbolt coordinate and shaft tower coordinate of amplitude of lightning current.
It is nearest based on the time point tripped after being struck by lightning away from circuit, away from overhead line structures recently and amplitude of lightning current maximum
Single screening conditions are screened to thunderbolt point in three screening conditions, so can be to the institute in the range of line corridor pre-determined distance
There is thunderbolt point to be screened, exclude to be unsatisfactory for the thunderbolt point of screening conditions, reduce orientation range, be advantageous to determining for failure shaft tower
Position.
S500：Determine that being spaced the most short most short shaft tower of thunderbolt point distance between thunderbolt time and time point in shaft tower is
Fisrt fault shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance are the second failure shaft tower and sat with thunderbolt
The most short most short shaft tower of thunderbolt point distance of distance is the 3rd failure shaft tower between mark and shaft tower coordinate.
According to the three thunderbolt points filtered out, the shaft tower nearest away from the single thunderbolt point filtered out is calculated respectively, determines three
Three failure shaft towers of individual failure shaft tower, i.e. positioning line fault thunderbolt.For example, the thunderbolt point filtered out is respectively jth, p and q
Thunderbolt point, the Fisrt fault shaft tower nearest away from j-th of thunderbolt point is calculated, corresponding shaft tower numbering is Nx, calculate away from p-th of thunderbolt
The second nearest failure shaft tower of point, corresponding shaft tower numbering is Ny, the threeth failure shaft tower nearest away from q-th of thunderbolt point is calculated,
Corresponding shaft tower numbering is Nz。
By searching the fast positioning of circuit lightning fault shaft tower, be advantageous to the maintenance subsequently to failure shaft tower, prevent
The sprawling of failure.
Above-mentioned circuit lightning fault independent positioning method, combined circuit trip time point, overhead line structures information and thunderbolt letter
Breath, by being sat away from thunderbolt in amplitude of lightning current maximum in nearest time at line tripping time point, thunderbolt information and thunderbolt information
Three thunderbolts in gauge length shaft tower information in the range of the nearest three kinds of screening conditions screening line corridor pre-determined distance of shaft tower coordinate
Point, and the shaft tower nearest away from single thunderbolt point is calculated respectively, determine three failure shaft towers of circuit thunderbolt.Above-mentioned circuit thunderbolt event
Hinder independent positioning method, without stepping on bar investigation failure, so as to solve traditional inefficiencies for stepping on bar investigation failure, effectively improve line
Road lightning failure point location efficiency, independent of the specific electric parameter of circuit, only it need to monitor line tripping time point, overhead line structures
Information and thunderbolt information are that the quick lookup of a wide range of and different voltage class circuit lightning failure points, applicability can be achieved
By force, reliability is high.And without installing a large amount of positioners on the line, application cost and maintenance cost are relatively low, will not give circuit
It is safe for operation to bring risk.
Referring to Fig. 2, in one of the embodiments, determine in shaft tower to be spaced between thunderbolt time and time point most short
The most short shaft tower of thunderbolt point distance be Fisrt fault shaft tower, the thunderbolt point maximum with amplitude of lightning current be apart from most short shaft tower
Second failure shaft tower and the most short shaft tower of thunderbolt point distance that distance is most short between thunderbolt coordinate and shaft tower coordinate are the 3rd
Also include step after failure shaft tower step S500：
S600：Store the shaft tower information of failure shaft tower.
Wherein, failure shaft tower includes the Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure shaft tower, by failure
The shaft tower information of shaft tower stores, i.e., believes the shaft tower of Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure shaft tower
Breath is stored, and is easy to inquiry of the subsequent user to the shaft tower information of failure shaft tower.Due to every time by thunderbolt line tripping when,
The shaft tower information of failure shaft tower is stored, subsequent user, can when the shaft tower information to failure shaft tower is inquired about
The frequency that shaft tower breaks down is understood, so as to understand the shaft tower often to break down, so that user carries out emphasis prison to the shaft tower
Survey and safeguard, it is ensured that the reliability of circuit.
Referring to Fig. 3, in one of the embodiments, determine in shaft tower to be spaced between thunderbolt time and time point most short
The most short shaft tower of thunderbolt point distance be Fisrt fault shaft tower, the thunderbolt point maximum with amplitude of lightning current be apart from most short shaft tower
Second failure shaft tower and the most short shaft tower of thunderbolt point distance that distance is most short between thunderbolt coordinate and shaft tower coordinate are the 3rd
Also include step after failure shaft tower step S500：
S700：Show the shaft tower information of failure shaft tower.
After the completion of to Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure tower spotting, to failure shaft tower
Shaft tower information is shown, is pushed to user, and user can be observed the shaft tower information of failure shaft tower, so as to understand breakdown stick
The shaft tower numbering and shaft tower coordinate of tower, make user quickly understand trouble point, are easy to the maintenance subsequently to failure shaft tower.
Referring to Fig. 4, in one of the embodiments, determine in shaft tower to be spaced between thunderbolt time and time point most short
The most short shaft tower of thunderbolt point distance be Fisrt fault shaft tower, the thunderbolt point maximum with amplitude of lightning current be apart from most short shaft tower
Second failure shaft tower and the most short shaft tower of thunderbolt point distance that distance is most short between thunderbolt coordinate and shaft tower coordinate are the 3rd
Also include step after failure shaft tower step S500：
S800：According to the shaft tower information of failure shaft tower, alarm is sent.
After the completion of to Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure tower spotting, according to failure shaft tower
Shaft tower information, can alert, inform that user malfunction tower spotting finishes, to remind user.
Referring to Fig. 5, in one of the embodiments, determine in shaft tower to be spaced between thunderbolt time and time point most short
The most short shaft tower of thunderbolt point distance be Fisrt fault shaft tower, the thunderbolt point maximum with amplitude of lightning current be apart from most short shaft tower
Second failure shaft tower and the most short shaft tower of thunderbolt point distance that distance is most short between thunderbolt coordinate and shaft tower coordinate are the 3rd
Also include step after failure shaft tower step S500：
S900：According to the shaft tower information of failure shaft tower, the maintenance measure to failure shaft tower is formulated；
S1000：According to maintenance measure, failure shaft tower is safeguarded.
Once Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure tower spotting finish, according to failure shaft tower
Shaft tower information, it is to be understood that the shaft tower numbering and shaft tower coordinate of failure shaft tower, you can know that event occurs in which place which shaft tower
Barrier, formulates the maintenance measure to failure shaft tower.I.e. when circuit is by being struck by lightning, the sudden strain of a muscle of the insulator chain on shaft tower is easily caused
Network, short circuit may be caused, cause tripping operation, it is necessary to the member on the shaft towers such as the circuit on the failure shaft tower of positioning and insulator chain
Part is safeguarded, so as to formulate maintenance measure, for example, changing circuit and changing the elements such as insulator chain, by this right
The maintenance measure of failure shaft tower, it is ensured that the element energy normal use on shaft tower.So as to the shaft tower information according to failure shaft tower, formulate
To the maintenance measure of failure shaft tower, to be safeguarded to failure shaft tower, it is ensured that the reliability of circuit.
Above-mentioned circuit lightning fault independent positioning method is illustrated with specific embodiment below.
All shaft tower information, shaft tower information are specifically included residing for shaft tower numbering N and shaft tower in circuit in acquisition monitoring range
The latitude and longitude coordinates C of position, n-th of shaft tower numbering are set to Nn, respective coordinates Cn。
After circuit is by lightning stroke trip, the time point T1 of line tripping is obtained first.
The thunderbolt information of all thunderbolt points before and after acquisition T1 time points in k minutes in line corridor S kilometer ranges, this falls
Thunder information specifically includes thunderbolt time t, amplitude of lightning current A, thunderbolt point latitude and longitude coordinates K, and the thunderbolt time of i-th of thunderbolt point is
ti, amplitude of lightning current Ai, latitude and longitude coordinates coordinate Ki。
Thunderbolt point is screened, wherein, the thunderbolt point filtered out includes：1) thunderbolt time t with away from line tripping when
Between the nearest thunderbolt point j , of point T1 Ji ∣ T1-tj∣ is minimum, and now, coordinate corresponding to thunderbolt point j is Kj.2) amplitude of lightning current is maximum
Thunderbolt point p , Ji ∣ Ap∣ is maximum, and coordinate corresponding to thunderbolt point p is Kp.3) thunderbolt point latitude and longitude coordinates K is nearest apart from shaft tower coordinate
Thunderbolt point q, coordinate corresponding to thunderbolt point q is Kq.By above-mentioned screening, the coordinate of the thunderbolt point filtered out is respectively Kj, Kp,
Kq。
Calculate in shaft tower respectively apart from jth, p and the nearest shaft tower of q thunderbolt point, that is, calculate：1) shaft tower coordinate C middle-ranges
From above-mentioned j-th of thunderbolt point coordinates KjMinimum Cx, the time, nearest thunderbolt point may cause failure shaft tower.2) shaft tower coordinate C middle-ranges
From above-mentioned p-th of thunderbolt point coordinates KpMinimum Cy, the maximum thunderbolt of amplitude of lightning current may cause failure shaft tower.3) shaft tower is sat
Mark above-mentioned q-th of thunderbolt point coordinates K of distance in CqMinimum Cz, the nearest thunderbolt point of distance line shaft tower may cause breakdown stick
Tower.According to the coordinate C of possible breakdown shaft towerx, Cy, Cz, respectively obtain corresponding shaft tower numbering Nx, Ny, Nz。
Referring to Fig. 6, the present invention also provides a kind of circuit lightning fault point positioning system of embodiment, including：
First acquisition module 100, for obtaining shaft tower information in circuit.
Wherein, shaft tower information includes shaft tower numbering and shaft tower coordinate.Shaft tower is numbered for distinguishing different shaft towers, shaft tower
Geographical latitude and longitude coordinates residing for coordinate representation shaft tower.After circuit triggers flashover by thunderbolt, line insulator may be by
Damage and cause its decreasing insulating or even damage, cause the generation of line tripping, generally, insulator is mounted in bar
On tower, so as to position the shaft tower of possible breakdown by obtaining shaft tower information and follow-up step, in time to the bar of possible breakdown
Tower is investigated, and effectively prevents the generation or sprawling of trip event.
Second acquisition module 200, for obtaining the time point tripped after circuit is struck by lightning.
Transmission line of electricity distribution is wide, is vulnerable to the attack of thunder and lightning, includes protective relaying device in power system, circuit by
To after thunder and lightning attack tripping operation, to ensure the safety of the transmission line of electricity of power system, protective relaying device action is protected to circuit
Shield, according to the actuation time of protective relaying device, can obtain the time point of line tripping, data foundation is provided for subsequent analysis.
3rd acquisition module 300, on the basis of time point, obtaining line corridor pre-determined distance in preset time range
In the range of all thunderbolt information.
Lighting location device is installed on each monitoring station of transmission line of electricity, by lighting location device can obtain circuit by
Thunderbolt information during thunderbolt, you can line corridor is preset in preset time before and after the time point that acquisition circuit trips after being struck by lightning
The thunderbolt information of all thunderbolt points in distance range.Wherein, thunderbolt information includes thunderbolt time, amplitude of lightning current and thunderbolt
Point coordinates.In addition, thunderbolt information may also obtain from meteorological department, you can obtain after circuit is struck by lightning and trip from meteorological department
Time point before and after all thunderbolt points in preset time in the range of line corridor pre-determined distance thunderbolt information.
Screening module 400, for according to time point, shaft tower information and thunderbolt information, screening thunderbolt time and time point
Between to be spaced distance between most short thunderbolt point, amplitude of lightning current maximum thunderbolt point and thunderbolt coordinate and shaft tower coordinate most short
Thunderbolt point.
It is nearest based on the time point tripped after being struck by lightning away from circuit, away from overhead line structures recently and amplitude of lightning current maximum
Single screening conditions are screened to thunderbolt point in three screening conditions, so can be to the institute in the range of line corridor pre-determined distance
There is thunderbolt point to be screened, exclude to be unsatisfactory for the thunderbolt point of screening conditions, reduce orientation range, be advantageous to determining for failure shaft tower
Position.
Determining module 500, for determining to be spaced most short thunderbolt point distance in shaft tower between thunderbolt time and time point
Most short shaft tower is Fisrt fault shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance is the second failure shaft tower
And the most short shaft tower of thunderbolt point distance that distance is most short between thunderbolt coordinate and shaft tower coordinate is the 3rd failure shaft tower.
According to the thunderbolt point filtered out, the shaft tower nearest away from the thunderbolt point filtered out is calculated, determines circuit lightning failure point.
By searching the fast positioning of circuit lightning failure point, be advantageous to the maintenance subsequently to trouble point, prevent the sprawling of failure.
Above-mentioned circuit lightning fault point positioning system, combined circuit trip time point, overhead line structures information and thunderbolt letter
Breath, by being sat away from thunderbolt in amplitude of lightning current maximum in nearest time at line tripping time point, thunderbolt information and thunderbolt information
Thunderbolt point in gauge length shaft tower information in the range of the nearest three kinds of screening conditions screening line corridor pre-determined distance of shaft tower coordinate, and
The shaft tower nearest away from thunderbolt point is calculated, determines circuit lightning failure point.Above-mentioned circuit lightning fault point positioning system, without stepping on bar
Failure is investigated, so as to solve traditional inefficiencies for stepping on bar investigation failure, effectively improves circuit lightning failure point location efficiency,
Independent of the specific electric parameter of circuit, line tripping time point, overhead line structures information and thunderbolt information only need to be monitored
Realize the quick lookup of a wide range of and different voltage class circuit lightning failure points, strong applicability, reliability height.And without
A large amount of positioners are installed, application cost and maintenance cost are relatively low, will not bring risk to circuit is safe for operation on circuit.
Referring to Fig. 7, in one of the embodiments, above-mentioned circuit lightning fault point positioning system also includes：
Memory module 600, for storing the shaft tower information of failure shaft tower.
Wherein, failure shaft tower includes Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure shaft tower, by failure shaft tower
Shaft tower information store, i.e., the shaft tower information of Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure shaft tower is entered
Row storage, is easy to inquiry of the subsequent user to the shaft tower information of failure shaft tower.Due to every time by thunderbolt line tripping when, will
The shaft tower information of failure shaft tower is stored, and subsequent user is when the shaft tower information to failure shaft tower is inquired about, it may be appreciated that
The frequency that shaft tower breaks down, so as to understand the shaft tower that often breaks down, so as to user the shaft tower is carried out emphasis monitoring and
Safeguard, it is ensured that the reliability of circuit.
In one of the embodiments, above-mentioned circuit lightning fault point positioning system also includes：
Display module 700, for showing the shaft tower information of failure shaft tower.
After the completion of to Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure tower spotting, to failure shaft tower
Shaft tower information is shown, is pushed to user, and user can be observed the shaft tower information of failure shaft tower, so as to understand breakdown stick
The shaft tower numbering and shaft tower coordinate of tower, make user quickly understand trouble point, are easy to the maintenance subsequently to failure shaft tower.
In one of the embodiments, above-mentioned circuit lightning fault point positioning system also includes：
Alarm module 800, for the shaft tower information according to failure shaft tower, send alarm.
After Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure tower spotting, according to the shaft tower of failure shaft tower
Information, can alert, inform that user malfunction tower spotting finishes, to remind user.
Referring to Fig. 8, in one of the embodiments, above-mentioned circuit lightning fault point positioning system also includes：
Module 900 is formulated, for the shaft tower information according to failure shaft tower, formulates the maintenance measure to failure shaft tower.
Maintenance module 1000, for according to maintenance measure, being safeguarded to failure shaft tower.
Once Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure tower spotting finish, it is to be understood that failure shaft tower
Shaft tower numbering and shaft tower coordinate, you can know that failure occurs in which place which shaft tower, so as to according to failure shaft tower
Shaft tower information, formulate the maintenance measure to failure shaft tower.I.e. when circuit is by being struck by lightning, the insulator chain on shaft tower is easily caused
Flashover, short circuit may be caused, cause tripping operation, it is necessary to on the shaft towers such as the circuit on the failure shaft tower of positioning and insulator chain
Element safeguarded, so that maintenance measure need to be formulated, for example, changing circuit and changing the elements such as insulator chain, pass through this
Maintenance measure of the kind to failure shaft tower, it is ensured that the element energy normal use on shaft tower.So as to according to the shaft tower information of failure shaft tower,
The maintenance measure to failure shaft tower is formulated, to be safeguarded to failure shaft tower, it is ensured that the reliability of circuit.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, lance is not present in the combination of these technical characteristics
Shield, all it is considered to be the scope of this specification record.
Above example only expresses the several embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of circuit lightning fault independent positioning method, it is characterised in that comprise the following steps：
Shaft tower information in circuit is obtained, wherein, the shaft tower information includes shaft tower numbering and shaft tower coordinate；
The time point tripped after circuit is struck by lightning is obtained, wherein, according to the dynamic of protective relaying device after circuit is struck by lightning
Make the time, obtain the time of the tripping operation；
On the basis of the time point, all thunderbolts letter in the range of line corridor pre-determined distance in preset time range is obtained
Breath, wherein, the thunderbolt information includes thunderbolt time, amplitude of lightning current and thunderbolt point coordinates；
According to the time point, the shaft tower information and the thunderbolt information, thunderbolt point is screened, screens the thunderbolt
The maximum thunderbolt point of most short thunderbolt point, the amplitude of lightning current is spaced between time and the time point and the thunderbolt is sat
The most short thunderbolt point of distance between mark and the shaft tower coordinate；
Determine that being spaced the most short most short shaft tower of thunderbolt point distance between the thunderbolt time and the time point in shaft tower is
Fisrt fault shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance for the second failure shaft tower and with institute
It is the 3rd failure shaft tower to state the most short most short shaft tower of thunderbolt point distance of distance between thunderbolt coordinate and the shaft tower coordinate.
2. circuit lightning fault independent positioning method according to claim 1, it is characterised in that it is described determination shaft tower in institute
State be spaced between thunderbolt time and the time point the most short shaft tower of most short thunderbolt point distance be Fisrt fault shaft tower, with it is described
The maximum most short shaft tower of thunderbolt point distance of amplitude of lightning current be the second failure shaft tower and with the thunderbolt coordinate and the bar
The most short shaft tower of thunderbolt point distance that distance is most short between tower coordinate is that the 3rd failure shaft tower step also includes step afterwards：
Store failure shaft tower shaft tower information, wherein, failure shaft tower include the Fisrt fault shaft tower, the second failure shaft tower and
3rd failure shaft tower.
3. circuit lightning fault independent positioning method according to claim 1, it is characterised in that it is described determination shaft tower in institute
State be spaced between thunderbolt time and the time point the most short shaft tower of most short thunderbolt point distance be Fisrt fault shaft tower, with it is described
The maximum most short shaft tower of thunderbolt point distance of amplitude of lightning current be the second failure shaft tower and with the thunderbolt coordinate and the bar
The most short shaft tower of thunderbolt point distance that distance is most short between tower coordinate is that the 3rd failure shaft tower step also includes step afterwards：
Show failure shaft tower shaft tower information, wherein, failure shaft tower include the Fisrt fault shaft tower, the second failure shaft tower and
3rd failure shaft tower.
4. circuit lightning fault independent positioning method according to claim 1, it is characterised in that it is described determination shaft tower in institute
State be spaced between thunderbolt time and the time point the most short shaft tower of most short thunderbolt point distance be Fisrt fault shaft tower, with it is described
The maximum most short shaft tower of thunderbolt point distance of amplitude of lightning current be the second failure shaft tower and with the thunderbolt coordinate and the bar
The most short shaft tower of thunderbolt point distance that distance is most short between tower coordinate is that the 3rd failure shaft tower step also includes step afterwards：
According to the shaft tower information of failure shaft tower, alarm is sent, wherein, failure shaft tower includes the Fisrt fault shaft tower, the second event
Hinder shaft tower and the 3rd failure shaft tower.
5. the circuit lightning fault independent positioning method according to claim 1-4 any one, it is characterised in that the determination
It is Fisrt fault to be spaced the most short most short shaft tower of thunderbolt point distance between the thunderbolt time and the time point in shaft tower
Shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance are the second failure shaft tower and sat with the thunderbolt
The most short most short shaft tower of thunderbolt point distance of distance is that the 3rd failure shaft tower step is also wrapped afterwards between mark and the shaft tower coordinate
Include step：
According to the shaft tower information of failure shaft tower, the maintenance measure to the failure shaft tower is formulated, wherein, failure shaft tower includes described
Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure shaft tower；
According to the maintenance measure, the failure shaft tower is safeguarded.
A kind of 6. circuit lightning fault point positioning system, it is characterised in that including：
First acquisition module, for obtaining shaft tower information in circuit, wherein, the shaft tower information includes shaft tower numbering and shaft tower
Coordinate；
Second acquisition module, for obtaining the time point tripped after circuit is struck by lightning, wherein, the basis after circuit is struck by lightning
The actuation time of protective relaying device, obtain the time of the tripping operation；
3rd acquisition module, on the basis of the time point, obtaining line corridor pre-determined distance model in preset time range
Interior all thunderbolt information are enclosed, wherein, the thunderbolt information includes thunderbolt time, amplitude of lightning current and thunderbolt point coordinates；
Screening module, for according to the time point, the shaft tower information and the thunderbolt information, screening the thunderbolt time
Be spaced between the time point the maximum thunderbolt point of most short thunderbolt point, the amplitude of lightning current and the thunderbolt coordinate with
The most short thunderbolt point of distance between the shaft tower coordinate；
Determining module, for determining to be spaced the most short most short bar of thunderbolt point distance in shaft tower between thunderbolt time and time point
Tower is Fisrt fault shaft tower, the most short shaft tower of the thunderbolt point maximum with amplitude of lightning current distance is the second failure shaft tower and with falling
The most short shaft tower of thunderbolt point distance that distance is most short between thunder coordinate and shaft tower coordinate is the 3rd failure shaft tower.
7. circuit lightning fault point positioning system according to claim 6, it is characterised in that also include：
Memory module, for storing the shaft tower information of failure shaft tower, wherein, failure shaft tower includes the Fisrt fault shaft tower, the
Two failure shaft towers and the 3rd failure shaft tower.
8. circuit lightning fault point positioning system according to claim 6, it is characterised in that also include：
Display module, for showing the shaft tower information of failure shaft tower, wherein, failure shaft tower includes the Fisrt fault shaft tower, the
Two failure shaft towers and the 3rd failure shaft tower.
9. circuit lightning fault point positioning system according to claim 6, it is characterised in that also include：
Alarm module, for the shaft tower information according to failure shaft tower, alarm is sent, wherein, failure shaft tower includes the described first event
Hinder shaft tower, the second failure shaft tower and the 3rd failure shaft tower.
10. the circuit lightning fault point positioning system according to claim 6-8 any one, it is characterised in that also include：
Module is formulated, for the shaft tower information according to failure shaft tower, formulates the maintenance measure to the failure shaft tower, wherein, therefore
Barrier shaft tower includes the Fisrt fault shaft tower, the second failure shaft tower and the 3rd failure shaft tower；
Maintenance module, for according to the maintenance measure, being safeguarded to the failure shaft tower.
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| CN201510571431.8A CN105116292B (en) | 2015-09-09 | 2015-09-09 | Circuit lightning fault independent positioning method and system |
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| CN105116292B true CN105116292B (en) | 2018-03-23 |
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| CN107085166B (en) * | 2017-04-13 | 2019-06-21 | 中国南方电网有限责任公司 | A kind of travelling wave ranging method adapting to the intensive thunderbolt of transmission line of electricity |
| 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 |
| CN108020755B (en) * | 2017-12-06 | 2020-05-22 | 国网山东省电力公司电力科学研究院 | Power grid fault positioning method based on fault recording and lightning positioning system |
| CN111007361A (en) * | 2019-12-27 | 2020-04-14 | 广东电网有限责任公司电力科学研究院 | Power transmission line fault positioning method, system and equipment |
| CN113848424B (en) * | 2021-09-24 | 2022-09-23 | 广东电网有限责任公司 | Distribution network lightning stroke fault verification and positioning method, device and system |
| CN113904299B (en) * | 2021-09-27 | 2024-08-27 | 云南电网有限责任公司电力科学研究院 | Mountain area power transmission safety protection method and device |
| CN114418195A (en) * | 2021-12-29 | 2022-04-29 | 广东电网有限责任公司 | Lightning trip-out event analysis method, device, equipment and storage medium |
| CN115508663A (en) * | 2022-08-26 | 2022-12-23 | 云南电网有限责任公司电力科学研究院 | Lightning stroke fault positioning method and system |
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| JP3895288B2 (en) * | 2002-08-07 | 2007-03-22 | 関西電力株式会社 | Transmission line accident location system, transmission line accident location method, transmission line accident location program, and recording medium recording the program |
| CN101975909B (en) * | 2010-08-31 | 2012-07-04 | 国网电力科学研究院武汉南瑞有限责任公司 | Method for judging failure properties of shielding failure and counterattack of transmission line |
| CN103543386B (en) * | 2013-10-16 | 2015-12-09 | 清华大学 | A kind of thunderbolt localization method of transmission line of electricity |
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