CN106970258A - The powered recognition methods of ultra-high-tension power transmission line - Google Patents

The powered recognition methods of ultra-high-tension power transmission line Download PDF

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CN106970258A
CN106970258A CN201710214177.5A CN201710214177A CN106970258A CN 106970258 A CN106970258 A CN 106970258A CN 201710214177 A CN201710214177 A CN 201710214177A CN 106970258 A CN106970258 A CN 106970258A
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measurement
transmission line
electricity
actual spot
powered
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CN106970258B (en
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赵钢
董文娟
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Xi'an Guangyuan Information Technology Co.,Ltd.
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XI'AN GUANGYUAN ELECTRIC Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145Indicating the presence of current or voltage

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Abstract

The powered recognition methods of ultra-high-tension power transmission line, step is as follows:Judge whether transmission line of electricity is overall powered, the electriferous state of further analysis transmission line of electricity if powered, calculate the characteristic value of actual spot of measurement, the chosen position simulated measurement point corresponding with actual spot of measurement position on each simulated measurement path, the characteristic value of each simulated measurement point on each simulated measurement path is calculated using same procedure, characteristic value by the characteristic value of actual spot of measurement successively with simulated measurement point is contrasted, if the characteristic value of actual spot of measurement is matched with the characteristic value of simulated measurement point on a certain standard curve, the standard curve is included into match curve set, travel through after all standard curves, the distance of actual spot of measurement collection and each standard curve in match curve set is calculated respectively, using the minimum corresponding simulated conditions of standard curve of distance as transmission line of electricity electriferous state.Whether the present invention powered to circuit can be not only identified, and the specific powered situation of circuit can also be identified.

Description

The powered recognition methods of ultra-high-tension power transmission line
Technical field
Electric-field intensity distribution is based on the invention belongs to charging equipment electrical verification technical field in power system, more particularly to one kind Powered knowledge method for distinguishing is carried out to transmission line of electricity.
Background technology
Electroscope is the instrument whether powered for detection object, at present, and electroscope is mainly classified by electrical verification pattern, Contact electroscope and non-contact type electricity checking device can be divided into.Wherein, can not be direct when non-contact type electricity checking device is due to operation Contacted with object under test, be increasingly becoming study hotspot.The operation principle of non-contact type electricity checking device is based on to power-frequency electric field strength Measurement carry out threshold values triggering so that whether judgment object powered, electricity has been sent or without power information by signal designation, at present It is widely used in the electrical verification of the dangerous objects such as high-tension electricity.
Most non-contact type electricity checking device is by the electric-field intensity near induction charging body, when the power plant sensed It is powerful to judge that electrical body has electricity when default threshold value, otherwise judge that electrical body does not have electricity.In transmission line construction, in order to save Resource, many circuits are designed as the two circuit form of single column, and there is powered situation uncharged all the way all the way in double loop, Now the power transmission line of powered side can be in one formed below of transmission line of electricity very strong electric field, although can pass through a certain powered side Produced electric-field intensity judges electric transmission line hot-line, but it is which side circuit is powered to be still difficult to judge, i.e., can not sentence Break and the specific charged state of transmission line of electricity.
And it is existing to the whether powered method being identified of transmission line of electricity, it can be limited in measurement by field condition System and by certain interference, such as mountain region or knob measuring route height rise and fall, not on a horizontal plane;Or Measuring route is tilted, it is impossible to vertical with the trend of transmission line of electricity;Or have barrier etc. in measuring route, larger is caused to measurement Influence so that measurement result has larger difference with actual electric-field intensity distribution.How various interference are avoided and because surveying The influence that error band comes caused by the limitation of amount environment, it is mesh that powered identification judgement is accurately and effectively carried out to ultra-high-tension power transmission line Preceding one of urgent problem in the industry.
The content of the invention
It is an object of the invention to provide a kind of powered recognition methods of ultra-high-tension power transmission line, by measuring perpendicular to transmission of electricity The electric-field intensity component of line alignment, the distribution characteristics based on electric-field intensity is accurately known to the charged state of transmission line of electricity Not.
To achieve these goals, the present invention takes following technical solution:
The powered recognition methods of ultra-high-tension power transmission line, comprises the following steps:
S101, judge whether transmission line of electricity is overall powered, show that transmission line of electricity is uncharged if not charged and judge to tie Really, step S102 is performed if powered, further the electriferous state of analysis transmission line of electricity;
S102, when judging that transmission line of electricity is integrally powered, handle actually measuring obtained data, calculate actual The characteristic value of measurement point;
Actual spot of measurement is located in the measuring route perpendicular and horizontally disposed with power transmission line bearing of trend, by actual measurement Point arrays from left to right, and the electric field intensity value that each actual spot of measurement is measured is (x1,…,xk,…,xn), k=1 ..., n, order The characteristic value of first actual spot of measurementFor 0, centered on actual spot of measurement to be calculated, by the actual spot of measurement to be calculated Left area is divided into 4 equal sector regions I, II, III, IV in the counterclockwise direction, if actual spot of measurement to be calculated with Line between a upper actual spot of measurement falls in region I, then the characteristic value of actual spot of measurement to be calculatedFor 2, if line Fall in region II, then the characteristic value of actual spot of measurement to be calculatedFor 1, if line falls in region III, reality to be calculated The characteristic value of border measurement pointFor -1, if line falls in region IV, the characteristic value of actual spot of measurement to be calculatedFor -2;
S103, the chosen position simulated measurement point corresponding with actual spot of measurement position on each simulated measurement path, are adopted The characteristic value of each simulated measurement point on each simulated measurement path is calculated with same procedure, has one for each standard curve The characteristic value of the group simulated measurement point corresponding with actual spot of measurement
The each standard that S104, the characteristic value for the actual spot of measurement for obtaining step 102 are obtained with step S103 successively The characteristic value of corresponding simulated measurement point is contrasted on curve, if on the characteristic value of actual spot of measurement and a certain standard curve The characteristic value of simulated measurement point is metThen think characteristic matching, the standard curve is included into match curve collection In conjunction, as being unsatisfactory for, the comparison that next standard curve proceeds characteristic value is chosen, until travel through after all standard curves, Perform step S105;If all standard curves in traversal simulation data base all do not find the curve of matching, this feelings Condition, which is considered as, to be judged, result be presented to user;
S105, the distance for calculating each standard curve in actual spot of measurement collection and match curve set respectively, will be apart from minimum Standard curve corresponding to simulated conditions be used as transmission line of electricity electriferous state, export recognition result.
More specifically, the method for the distance in step S105 between calculating actual spot of measurement collection and a certain standard curve is as follows: Region between outermost actual spot of measurement is set to measured zone, selection standard curve is located at the curved section in measured zone, M setting simulated measurement point is selected in the curved section, the field intensity value of these setting simulated measurement points is respectively (y1,y2,…, ym), the field intensity value for setting simulated measurement point is normalized, obtains respectively setting returning for simulated measurement point on standard curve One change valueThen actual spot of measurement is connected with straight line, forms a broken line, found on broken line and position The setting measurement point corresponding with setting simulated measurement point position is put, is made with the corresponding value in position of the setting measurement point on broken line For the field intensity value (x of setting measurement point1,x2,…,xm), the field intensity value to setting measurement point is normalized, and obtains broken line The normalized value of upper m setting measurement pointThen the distance between actual spot of measurement collection and a certain standard curve is
More specifically, judge that whether powered transmission line of electricity entirety step be as follows in S101:Prolong perpendicular to transmission line of electricity N actual spot of measurement of selection on the horizontal line in direction is stretched, the electric field intensity value at each actual spot of measurement position is measured, judges all Whether the average value of the electric field intensity value of actual spot of measurement is less than default threshold value A, if it is thinks that transmission line of electricity is overall not Powered, otherwise it is assumed that transmission line of electricity is integrally powered, threshold value A is empirical value.
More specifically, threshold value A is 200V/m.
More specifically, choose actual spot of measurement when, by actual spot of measurement be arranged at power transmission line bearing of trend it is perpendicular and On the horizontal line on 2 meters of ground, the position of actual spot of measurement includes transmission line of electricity outermost, the central point of transmission line of electricity.
More specifically, standard curve be simulation calculation obtain with different types of transmission line of electricity, shaft tower height, power transmission line The electricity of measuring route in the corresponding transmission line of electricity lower zone of the arrangement mode of road voltage, shaft tower type and electric wire phase sequence Field intensity curve.
More specifically, on simulated measurement path be located at outermost simulated measurement point be located at the outboard wire of transmission line of electricity two it Outside.
More specifically, the position of outermost simulated measurement point is determined by following condition:I1:I2=8:5, wherein, I1To be defeated Distance between the outboard wire of electric line two, I2For the distance between the outermost wire of outermost simulated measurement point and homonymy.
The method of the present invention only need to measure seldom several points, pass through by analyzing simulation data base and actual measured value Whether threshold decision and the characteristic value of collection point are compared, powered to circuit can not only be identified, can also be to the tool of circuit The powered situation of body is identified, and solves the limitation and interference run into actual measurement.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing needed to use in technology description to do simple introduction, it should be apparent that, drawings in the following description are only the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the electric field strength profile figure in one group of simulated measurement path;
Fig. 2 is the location diagram between simulated measurement point and power transmission line;
Fig. 3 is measuring route distributed areas schematic diagram;
Fig. 4 is the flow chart of the inventive method;
Fig. 5 a to Fig. 5 c are respectively the position view of the measurement point of different type transmission line of electricity;
Fig. 6 is the definition schematic diagram of measurement point characteristic value;
Fig. 7 is the schematic diagram of simulated measurement point on simulation curve;
Fig. 8 is calculating actual spot of measurement and the schematic diagram of mark song wire spacing;
Fig. 9 a and Fig. 9 b are respectively the line chart and corresponding canonical plotting of the actual spot of measurement of an embodiment.
The present invention is described in more detail with each embodiment below in conjunction with the accompanying drawings.
Embodiment
In order to which above and other objects of the present invention, feature and advantage can be become apparent from, the embodiment of the present invention cited below particularly, And coordinate appended diagram, it is described below in detail.
The powered recognition methods of the present invention is used as judgement using the emulation data of the electric-field intensity in transmission line of electricity lower zone Foundation, first it is overall to transmission line of electricity whether it is powered judge, then again by actual measurement data with simulation data base Corresponding data are compared and analyzed, so as to obtain the charged state of transmission line of electricity.
Above is the core concept of the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, to the embodiment of the present invention Technical scheme be clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, and The embodiment being not all of.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work Under the premise of the every other embodiment that obtains, belong to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with It is different from other manner described here using other and implements, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
The simulation data base of the present invention is calculated by simulation software and obtained, using such as simulation software such as ANSYS MAXWELL Different types of transmission line of electricity is calculated corresponding to different shaft tower height, transmission line of electricity voltage, shaft tower type and electric wire phase The electric field intensity value during arrangement mode of sequence in transmission line of electricity lower zone, the electric-field strength for emulating obtained measuring route is write music Line is used as standard curve.
The shaft tower type of the present invention refers to space distribution modes of the power transmission cable on shaft tower, and shaft tower highly refers to power transmission line The height off the ground (generally 14 meters~90 meters) of cable.The type of common transmission line of electricity include single column single loop, single column double loop, Two (single time) roads are parallel etc., and the voltage of transmission line of electricity is 330kV, 500kV, 750kV and 1000kV etc..Simulation data base includes Various transmission line of electricity types and different voltage, different shaft tower types, different phase sequences and different shaft towers are highly corresponding Electric-field intensity a complete database.
It is that shaft tower type is that cable is vertically arranged, electric wire phase sequence is that left side is up to descended on ABC, right side shown in Fig. 1 To the electric field strength profile figure of the lower BCA two circuit multiple emulation measuring route of single column, the ordinate in Fig. 1 is electric-field intensity (V/m), abscissa is using the simulated measurement point position positioned at the simulated measurement path leftmost side as starting point, remaining simulated measurement Distance (m) between point and origin, the i.e. abscissa positioned at the simulated measurement point of the simulated measurement path leftmost side are 0, and the single column is double Distance (I between the outboard wire of loop transmission line two1) it is 32 meters.Simulated measurement path is perpendicular with power transmission line bearing of trend Horizontal linear, simulated measurement point be located at simulated measurement path on, the simulated measurement point on same simulated measurement path has Same level height.The simulated measurement path of this group emulation data is arranged at 14 meters of regions to 70 meters of scopes below transmission line of electricity In h (Fig. 2), 14 meters of places start to set a simulated measurement path at interval of 2 meters below the transmission line of electricity, in order to ensure emulation number According to it is comprehensive complete, can cover be located on various measuring conditions, simulated measurement path outermost simulated measurement point be located at it is defeated Outside the outboard wire of electric line two, the position of outermost simulated measurement point can be determined in the following manner:I1:I2=8:5, wherein, I1For the distance between the outboard wire of transmission line of electricity two, I2For outermost simulated measurement point a1(an) with the outermost wire of homonymy Between distance (Fig. 3).
The powered recognition methods of the present invention is illustrated with reference to Fig. 4, it is as follows the step of the inventive method:
S101, judge whether transmission line of electricity is overall powered, show that transmission line of electricity is uncharged if not charged and judge to tie Really, step S102 is performed if powered, further the electriferous state of analysis transmission line of electricity;
Judge that whether powered transmission line of electricity entirety step be as follows in the inventive method:Perpendicular to transmission line of electricity extension side To horizontal linear (i.e. measuring route) on choose electric-field intensity at n actual spot of measurement, each actual spot of measurement position of measurement It is worth (x1,x2,…,xn), judge whether the average value of the electric field intensity value of all actual spot of measurement is less than default threshold value A, i.e.,xkK-th of actual spot of measurement is represented, if it is thinks that transmission line of electricity is integrally not charged, otherwise performs step S102;
Threshold value A is empirical value, is determined according to electric field intensity value below transmission line of electricity, generally, when transmission line of electricity band When electric, the minimum value of the electric-field intensity of Near Ground is about 360V/m below transmission line of electricity, and the area nearby without forceful electric power source Electric field intensity value in domain is not over 2 digits, therefore threshold value A is rule of thumb set as 200V/m by the present invention;Transmission line of electricity Whether entirety is powered to be judged using existing conventional method;
When choosing actual spot of measurement, preferably actual spot of measurement is arranged on the horizontal line on 2 meters or so of ground (preferable Situation), the point easily by range estimation positioning is then chosen as actual spot of measurement, for example, looked up below transmission line of electricity, It is easier to determine the outermost point of transmission line of electricity, the central point of transmission line of electricity, these points can be regard as actual spot of measurement.As schemed Shown in 5a, Fig. 5 a show the single-circuit transmission line of electricity of single column, and two outermost reality are determined with the outermost of transmission line of electricity Measurement point (1,3), then sets an actual spot of measurement (2) in the central point of transmission line of electricity.Fig. 5 b show single column double loop Transmission line of electricity, two outermost actual spot of measurement (1,5) are determined with the outermost of transmission line of electricity, it is then outermost two Uniform intervals set 3 actual spot of measurement (2,3,4) between actual spot of measurement (1,5).Fig. 5 c show the transmission of electricity of two-way parallel Circuit, equally determines outermost actual spot of measurement (1,7), centrally disposed the one of transmission line of electricity with the outermost of transmission line of electricity Individual actual spot of measurement (4), distinguishes further according to demands such as terrain environments between actual spot of measurement 1,4 and actual spot of measurement 4,7 Be symmetrical arranged 2 actual spot of measurement (2,3,5,6).Determine after actual spot of measurement, electricity is carried out at each actual spot of measurement position The measurement of field intensity, same actual spot of measurement can be measured repeatedly, take the average value that repeatedly measures as the electric-field strength of the point Spend measured value;
S102, when judging that transmission line of electricity is integrally powered, handle actually measuring obtained data, calculate actual The characteristic value of measurement point;
The measurement data of the present invention refers to the electric field intensity value for each actual spot of measurement that actual measurement is obtained, and is surveyed actual Amount point arrays from left to right, and the lateral attitude of each actual spot of measurement is according to the distance between its actual spot of measurement with the leftmost side It is determined that, the electric field intensity value that lengthwise position is measured according to the measurement point is determined, the actual spot of measurement of the leftmost side is starting point, abscissa For 0;For the electric field intensity value (x of each actual spot of measurement measured from left to right1,…,xk,…,xn), k=1 ..., n make One actual spot of measurement A1(electric field intensity value) characteristic valueFor 0, the electric field intensity value of remaining each actual spot of measurement is calculated The step of characteristic value, is as follows:As shown in Figure 6 (x-axis be each actual spot of measurement and the distance between the actual spot of measurement of the leftmost side, Y-axis is the electric field intensity value of each actual spot of measurement), with actual spot of measurement A to be calculatedkCentered on (center of circle), by the reality to be calculated The left area of border measurement point is divided into 4 equal sector regions I, II, III, IV, the reality of the leftmost side in the counterclockwise direction Measurement point (i.e. first actual spot of measurement A1) characteristic valueFor 0, if actual spot of measurement A to be calculatedkWith upper one actual survey Measure point Ak-1Between line l fall in region I, then measurement point A to be calculatedkCharacteristic valueFor 2, if line l falls in region II It is interior, then measurement point A to be calculatedkCharacteristic valueFor 1, if line l falls in region III, measurement point A to be calculatedkFeature ValueFor -1, if line l falls in region IV, measurement point A to be calculatedkCharacteristic valueFor -2;The spy of actual spot of measurement Value indicative has reacted the trend of electricity;
S103, the chosen position simulated measurement point corresponding with actual spot of measurement position on each simulated measurement path, meter The characteristic value (Fig. 7) of each simulated measurement point on each simulated measurement path is calculated, the computational methods of the characteristic value of simulated measurement point are ibid; There is the characteristic value of one group of simulated measurement point corresponding with actual spot of measurement for each standard curve (simulation curve)
The each standard that S104, the characteristic value for the actual spot of measurement for obtaining step 102 are obtained with step S103 successively The characteristic value of corresponding simulated measurement point is contrasted on curve, if on the characteristic value of actual spot of measurement and a certain standard curve The characteristic value of simulated measurement point is metThen think characteristic matching, the standard curve is included into match curve collection In conjunction, as being unsatisfactory for, the distance of actual spot of measurement and the standard curve is designated as 0, next standard curve continuation is then chosen The comparison of characteristic value is carried out, until traveling through after all standard curves, step S105 is performed;If traveling through the institute in simulation data base There is standard curve all not find the curve of matching, then such case, which is considered as, to judge, result be presented to user;
S105, the distance for calculating each standard curve in actual spot of measurement collection and match curve set respectively, will be apart from minimum Standard curve corresponding to simulated conditions be used as transmission line of electricity electriferous state, export recognition result.
The method of distance between calculating actual spot of measurement and a certain standard curve is as follows:By between outermost actual spot of measurement Region be set to measured zone (dash area in Fig. 8), selection standard curve is located at the curved section in measured zone, in the curve M setting simulated measurement point is selected in section, the field intensity value of these setting simulated measurement points is respectively (y1,y2,…,ym), to setting The field intensity value of simulated measurement point is normalized, and obtains the normalized value of each setting simulated measurement point on standard curveThen actual spot of measurement is connected with straight line, forms a broken line, found on broken line with position with setting Determine the corresponding setting measurement point in simulated measurement point position, setting is used as using the corresponding value in position of the setting measurement point on broken line Field intensity value (the x of measurement point1,x2,…,xm), the field intensity value to setting measurement point is normalized, and obtains on broken line m and sets Determine the normalized value of measurement pointThen the distance between actual spot of measurement collection and a certain standard curve is
Fig. 9 a are the line chart of the actual spot of measurement to 750kV single column dual loop transmission line, during actual measurement 5 actual spot of measurement are arranged in measuring route, the electric field intensity measuremenrt values of 5 actual spot of measurement is respectively 3546, 3319.5th, 1466.4,958.5,489.3, using the inventive method by matching primitives, find measured value and the mark described in Fig. 9 b The characteristic value matching of the 9th standard curve in directrix curve, and the 9th standard curve be with measurement point distance most short one article imitate True curve, and it in voltage is the vertical ABC phase sequences arrangement in 750kV, left loop and powered that Fig. 9 b, which are, right loop is not charged, emulation is bent The width (i.e. L values in Fig. 7) of line is obtained one group of emulation data under 7060 simulated conditions, it is possible thereby to judge power transmission line Road is that left is powered, and right wing is not charged.
The inventive method not only may determine that whether transmission line of electricity is powered, but also can further identify power transmission line The charged state on road, compared with prior art, with advantages below:
1st, electriferous state identification is accurate, using the method for multiple judgement, whether judges circuit by predetermined threshold value A first (entirety) is powered, carries out more detailed powered identification secondly by analysis means such as characteristic value, distances, efficiently solves nothing Method judges the problem of which side is powered in double loop.
2nd, measure convenient and swift.Measured by the several actual spot of measurement for choosing a small number of in measuring route, data volume It is few, and the position of tested point is related to the distribution of circuit on tower, and gauger positions easily by range estimation.
3rd, measurement allows for larger discrepancy in elevation redundancy.The discrepancy in elevation of measurement point is minimum measurement point and highest measurement point Difference in height.The difference in height redundancy of measurement point is 2 meters, because the height that gauger itself can adjust data acquisition module is about 2 Rice, therefore the difference in height actually surveyed the topography can reach 4 meters, because the lateral length of measurement is generally tens meters, therefore this The Measurement redundancy of sample can realize the application on the complex landforms such as mountain region, hills.
4th, measurement allows for the poor redundancy of certain transverse direction.The poor transverse direction of measurement point is actual spot of measurement and simulated measurement Point (as shown in Figure 5) is walking upward deviation perpendicular to transmission line of electricity, and the poor redundancy value of transverse direction of measurement point is 1.5 meters, can be more Mend the error of visual fix formation.
5th, measurement can allow the poor redundancy in longitudinal direction.The poor longitudinal direction of measurement point is that actual spot of measurement is being put down with simulated measurement point Row walks upward deviation in transmission line of electricity, because being a measurement, the place away from shaft tower below transmission line of electricity, it is believed that On each cross section, its Electric Field Distribution difference is minimum, it can be considered that not limited on longitudinal direction.
Certainly, technical concept of the invention is not limited to examples detailed above, can also there is other changes, for example, can also use The point that other method selection can more embody Field signature calculates measurement point set and standard as measurement point, or using other method The distance between curve.Other simulation data base can also carry out appropriate extension, such as voltage range test is defeated to 220kV Electric line type includes 1 road 500kV, and another road 220kV single column double loop is non-to wait pressure transmission line etc..
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention Embodiment illustrated herein is not intended to be limited to, and is to fit to consistent with principles disclosed herein and features of novelty Widest range.

Claims (8)

1. the powered recognition methods of ultra-high-tension power transmission line, it is characterised in that comprise the following steps:
S101, judge whether transmission line of electricity is overall powered, the uncharged judged result of transmission line of electricity is shown if not charged, such as It is really powered then to perform step S102, further analyze the electriferous state of transmission line of electricity;
S102, when judging that transmission line of electricity is integrally powered, calculate actual spot of measurement characteristic value;
Actual spot of measurement is located on the straight line perpendicular and horizontally disposed with transmission line of electricity bearing of trend, by actual spot of measurement from a left side It is arranged in order to the right side, the electric field intensity value that each actual spot of measurement is measured is (x1,…,xk,…,xn), k=1 ..., n make first The characteristic value of actual spot of measurementFor 0, centered on actual spot of measurement to be calculated, by the left half-court of the actual spot of measurement to be calculated Domain is divided into 4 equal sector regions I, II, III, IV in the counterclockwise direction, if actual spot of measurement to be calculated and upper one Line between actual spot of measurement falls in region I, then the characteristic value of actual spot of measurement to be calculatedFor 2, if line Luo areas In domain II, then the characteristic value of actual spot of measurement to be calculatedFor 1, if line falls in region III, actual measurement to be calculated The characteristic value of pointFor -1, if line falls in region IV, the characteristic value of actual spot of measurement to be calculatedFor -2;
S103, the chosen position simulated measurement point corresponding with actual spot of measurement position on each simulated measurement path, using phase The characteristic value of each simulated measurement point on each simulated measurement path is calculated with method, for each standard curve have one group with The characteristic value of the corresponding simulated measurement point of actual spot of measurement
The each standard curve that S104, the characteristic value for the actual spot of measurement for obtaining step 102 are obtained with step S103 successively The characteristic value of upper corresponding simulated measurement point is contrasted, if the characteristic value of actual spot of measurement on a certain standard curve with emulating The characteristic value of measurement point is metThen think characteristic matching, the standard curve is included into match curve set In, as being unsatisfactory for, the comparison that next standard curve proceeds characteristic value is chosen, until traveling through after all standard curves, is held Row step S105;If all standard curves in traversal simulation data base all do not find the curve of matching, such case Being considered as to judge, result be presented to user;
S105, the distance for calculating each standard curve in actual spot of measurement collection and match curve set respectively, by the mark that distance is minimum Simulated conditions corresponding to directrix curve export recognition result as the electriferous state of transmission line of electricity.
2. the powered recognition methods of the ultra-high-tension power transmission line according to claim 1, it is characterised in that:Calculated in step S105 The method of distance between actual spot of measurement collection and a certain standard curve is as follows:Region between two outermost actual spot of measurement is determined For measured zone, selection standard curve is located at the curved section in measured zone, and m setting simulated measurement is selected in the curved section Point, the field intensity value of these setting simulated measurement points is respectively (y1,y2,…,ym), the field intensity value for setting simulated measurement point is carried out Normalized, obtains the normalized value of each setting simulated measurement point on standard curveThen will be actual Measurement point is connected with straight line, forms a broken line, is found on broken line corresponding with setting simulated measurement point position with position Setting measurement point, the field intensity value (x of setting measurement point is used as using the corresponding value in position of the setting measurement point on broken line1,x2,…, xm), the field intensity value to setting measurement point is normalized, and obtains the normalized value of m setting measurement point on broken lineThen the distance between actual spot of measurement collection and a certain standard curve is
3. the powered recognition methods of the ultra-high-tension power transmission line according to claim 1, it is characterised in that:Transmission of electricity is judged in S101 Whether powered circuit entirety step be as follows:N actual measurement is chosen on the horizontal line perpendicular to transmission line of electricity bearing of trend Point, measures the electric field intensity value at each actual spot of measurement position, judges the average value of the electric field intensity value of all actual spot of measurement Whether it is less than default threshold value A, if it is thinks that transmission line of electricity is integrally not charged, otherwise it is assumed that transmission line of electricity is integrally powered, Threshold value A is empirical value.
4. the powered recognition methods of the ultra-high-tension power transmission line according to claim 3, it is characterised in that:Threshold value A is 200V/m.
5. the powered recognition methods of the ultra-high-tension power transmission line according to claim 1 or 2 or 3 or 4, it is characterised in that:Choose During actual spot of measurement, by actual spot of measurement be arranged at power transmission line bearing of trend is perpendicular and horizontal line apart from 2 meters of ground on, The position of actual spot of measurement includes transmission line of electricity outermost, the central point of transmission line of electricity.
6. the powered recognition methods of the ultra-high-tension power transmission line according to claim 1, it is characterised in that:Standard curve is emulation Calculate the obtained row with different types of transmission line of electricity, shaft tower height, transmission line of electricity voltage, shaft tower type and electric wire phase sequence The electric field strength profile in the simulated measurement path in the corresponding transmission line of electricity lower zone of row mode.
7. the powered recognition methods of the ultra-high-tension power transmission line according to claim 6, it is characterised in that:On simulated measurement path It is located at positioned at outermost simulated measurement point outside the outboard wire of transmission line of electricity two.
8. the powered recognition methods of the ultra-high-tension power transmission line according to claim 7, it is characterised in that:Outermost emulation is surveyed The position for measuring point is determined by following condition:I1:I2=8:5, wherein, I1For the distance between the outboard wire of transmission line of electricity two, I2For most Distance between the simulated measurement point in outside and the outermost wire of homonymy.
CN201710214177.5A 2017-04-01 2017-04-01 The electrification recognition methods of ultra-high-tension power transmission line Active CN106970258B (en)

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