CN112633819A - Intelligent power distribution network safe operation management system based on big data feature recognition - Google Patents
Intelligent power distribution network safe operation management system based on big data feature recognition Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses an intelligent power distribution network safe operation management system based on big data characteristic identification, which comprises a power transmission line segmentation marking module, a power transmission line basic parameter acquisition module, a power transmission line position acquisition module, a power transmission line detection point arrangement module, a safety database, a pressure detection module, a power transmission parameter detection module, a parameter processing center, a management server, a distance matching tracking module, a display terminal and a power distribution network management center. According to the method, the whole power transmission line is divided into a plurality of power transmission line sections, the external pressure danger coefficient and the power transmission danger coefficient of each power transmission line section are counted, the comprehensive operation danger coefficient of each power transmission line section is further obtained, the power transmission line sections in dangerous states are counted according to the comprehensive operation danger coefficient of each power transmission line section, accordingly, targeted processing is conducted, the safe operation level and the management efficiency of the power distribution network are improved, and further the personal safety of people around the power distribution network is guaranteed.
Description
Technical Field
The invention belongs to the technical field of power distribution network operation management, and particularly relates to an intelligent power distribution network safe operation management system based on big data characteristic identification.
Background
With the development of social economy, the living standard of people is gradually improved, and the demand for electric energy is more. In China, the transformation and construction work of urban power distribution networks is gradually developed, the safety operation problem of the power distribution networks also arouses wide attention of people, once the safety problems of the power distribution networks, such as electric wire falling, electric leakage and the like, occur in the operation process, serious personal injury can be caused to people around the power distribution networks, and serious economic loss can be caused to the country. In order to improve the safe operation level of the power distribution network, a power distribution network safe operation management system is urgently needed to manage the operation of the power distribution network, however, the power distribution network has the characteristics of wide range, large span and easy interference by the external environment due to the fact that the power distribution network is composed of power transmission lines, and certain difficulty is caused to the safe operation management of the power distribution network, so that the current power distribution network safe operation management efficiency is low. In order to solve the problem, the invention provides a smart distribution network safe operation management system based on big data characteristic identification.
Disclosure of Invention
The invention aims to provide an intelligent power distribution network safe operation management system based on big data characteristic identification, which divides the whole power transmission line into a plurality of power transmission line sections, counts external pressure danger coefficients and power transmission danger coefficients of the power transmission line sections to obtain comprehensive operation danger coefficients of the power transmission line sections, and counts the power transmission line sections with dangerous states according to the comprehensive operation danger coefficients of the power transmission line sections, so that the power transmission line sections are processed in a targeted manner, the characteristics of wide existence range and large span of the power transmission line and easy interference by surrounding environment are fully utilized, the efficiency of power distribution network safe operation management is improved, and the problems in the background art are effectively solved.
The purpose of the invention can be realized by the following technical scheme:
an intelligent power distribution network safe operation management system based on big data characteristic identification comprises a power transmission line segmentation marking module, a power transmission line segment basic parameter obtaining module, a safety database, a pressure detection module, a power transmission parameter detection module, a parameter processing center, a management server, a display terminal and a power distribution network management center;
the power transmission line segmentation marking module is used for counting the number of telegraph poles included in the process of conveying power transmission lines in a power distribution network from a power plant to a user, the power transmission lines are divided into a plurality of power transmission line sections by the plurality of telegraph poles, the number of the divided power transmission line sections is calculated according to the counted number of the telegraph poles, the divided power transmission line sections are numbered according to the distance from the power plant to the user, and the power transmission line segmentation marking module is sequentially marked as 1,2.
The transmission line segment basic parameter acquisition module is used for acquiring basic parameters of each divided transmission line segment, wherein the basic parameters comprise the length of the transmission line segment and the diameter of the transmission line segment, and the acquired basic parameters of each transmission line segment form a basic parameter set Qw(qw1,qw2,...,qwi,...,qwn)，qwi represents a numerical value corresponding to a w-th basic parameter of an ith transmission line section, w represents a basic parameter, w is wl, wd, wl and wd represent the length and the diameter of the transmission line section respectively, and a transmission line section basic parameter acquisition module transmits a formed basic parameter set to a parameter processing center;
the pressure detection module comprises a plurality of pressure sensors which are respectively arranged at the positions of detection points arranged on each transmission line section and are used for detecting the pressure born by the detection points on the transmission line section to obtain the bearing pressure of the detection points on each transmission line section so as to form a detection point bearing pressure set Fp(fp1,fp2,...,fpj,...,fpm)，fpThe pressure detection module sends a set of the bearing pressures of the detection points to the parameter processing center;
the parameter processing center respectively receives a basic parameter set sent by the transmission line segment basic parameter acquisition module and a detection point bearing pressure set sent by the pressure detection module, and performs difference calculation on adjacent detection points from a second item in the detection point bearing pressure set to obtain pressure difference between the adjacent detection points, which is sequentially marked as delta F1, delta F2, delta.f (j-1), delta.once, and delta F (m-1), so as to form an adjacent detection point pressure difference set delta Fp[Δfp1，Δfp2，...，Δfp(j-1),...,Δfp(m-1)]，Δfp(j-1) is expressed as the difference between the bearing pressure of the jth detection point on the pth power line section and the bearing pressure of the jth detection point, the parameter processing center counts the accumulated pressure difference corresponding to each power line section according to the pressure difference set of the adjacent detection points, and extracts the safe accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line in the safety database, further, according to the length of a power transmission line segment corresponding to each power transmission line segment in the basic parameter set and the safe accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line segment in the power transmission line and the safety unit diameter of the power transmission line in the safety database, the safe accumulated pressure difference corresponding to each power transmission line segment is counted by the parameter processing center, and the external pressure danger coefficient corresponding to each power transmission line segment is counted according to the accumulated pressure difference corresponding to each power transmission line segment and the safe accumulated pressure difference corresponding to each power transmission line segment and is sent to the;
the safety database is used for storing the safety accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line, storing the standard voltage and the standard current corresponding to each power transmission line section and storing the minimum comprehensive operation risk coefficient corresponding to each power transmission line section;
the power transmission parameter detection module comprises a plurality of voltagesometers and ammeters and is used for respectively detecting the voltage and the current at two ends of each power transmission line section, the two ends of each power transmission line section can be marked as A and B, and the obtained voltage and current at two ends of each power transmission line section form a power transmission parameter set Dv(dv1,dv2,...,dvi,...,dvn)，dvi is a numerical value corresponding to a vth transmission parameter of an ith transmission line segment, v is a transmission parameter, and v is equal to UA,UB,IA,IB，UA,UB,IA,IBThe voltage of the A end, the voltage of the B end, the current of the A end and the current of the B end of the power transmission line segment are respectively represented, and the power transmission parameter detection module sends a power transmission parameter set to a parameter processing center;
the parameter processing center receives the power transmission parameter set sent by the power transmission parameter detection module, extracts the standard voltage and the standard current corresponding to each power transmission line section in the safety database, counts the power transmission danger coefficient corresponding to each power transmission line section according to the power transmission parameter set and the standard voltage and the standard current corresponding to each power transmission line section, and sends the power transmission danger coefficient to the management server;
the management server receives the external danger coefficients corresponding to the power transmission line sections and the power transmission danger coefficients corresponding to the power transmission line sections, which are sent by the parameter processing center, adds the external danger coefficients corresponding to the power transmission line sections and the power transmission danger coefficients to obtain comprehensive operation danger coefficients corresponding to the power transmission line sections, sends the obtained comprehensive operation danger coefficients corresponding to the power transmission line sections to the display terminal, compares the comprehensive operation danger coefficients corresponding to the power transmission line sections with the minimum comprehensive operation danger coefficients corresponding to the power transmission line sections, which are set in the safety database, if the comprehensive operation danger coefficients corresponding to a certain power transmission line section are larger than the minimum comprehensive operation danger coefficients corresponding to the power transmission line sections, the power transmission line section is in a dangerous state, the power transmission line section is marked as a dangerous power transmission line section, at the moment, the number of the dangerous power transmission line section is counted, and the geographical position corresponding to the dangerous power transmission line section is screened from the position database, the serial numbers and the corresponding geographic positions of the dangerous power transmission line sections are sent to a power distribution network management center;
the display terminal receives and displays the comprehensive operation risk coefficient corresponding to each power transmission line section sent by the management server;
and the power distribution network management center receives the numbers and the corresponding geographic positions of the dangerous power transmission line sections sent by the management server, and then dispatches related management personnel to process.
In some embodiments, the power line segment marking module calculates the number of the divided power line segments by subtracting one from the counted number of the utility poles.
In some embodiments, the system further comprises a power line section position acquisition module, including a GPS locator, for locating the geographical position of each power line section, and storing the obtained geographical position of each power line section in a position database.
In some embodiments, the system further comprises a power transmission line segment detection point arrangement module for performing detection point arrangement on each power transmission line segment, wherein the specific arrangement method is to evenly divide the length of each power transmission line segment from one end to the other end, each divided point is used as a detection point, and the obtained detection points are numbered according to a preset sequence and respectively marked as 1,2.
In some embodiments, the cumulative pressure difference for each power line section is calculated by
ZpIndicated as the cumulative pressure difference for the pth power line segment.
In some embodiments, the calculation formula of the safe accumulated pressure difference corresponding to each power line section is Zp security＝qwdp*qwlp*z，Zp securityExpressed as the safety accumulated pressure difference, q, for the pth power line sectionwdp、qwlp is respectively expressed as the transmission line section diameter of the p-th transmission line section, the length of the transmission line section, and z is expressed as the safe accumulated pressure difference corresponding to the unit length and the unit diameter of the transmission line.
In some embodiments, the calculation formula of the external pressure danger coefficient corresponding to each power line section is
ηpExpressed as the external pressure risk factor for the pth power line segment.
In some embodiments, the calculation formula of the power transmission risk coefficient corresponding to each power transmission line segment is
ξpExpressed as the transmission risk factor for the pth line segment,
respectively shown as the voltage across A, B of the pth power line segment,
current, U, across A, B, represented as the pth power line segmentp0、Ip0Respectively expressed as a standard voltage and a standard current corresponding to the pth power line segment.
In some embodiments, the system further comprises a distance matching tracking module, configured to obtain geographic positions of distribution network management centers in the area, compare the geographic position corresponding to the dangerous power transmission line segment with the geographic positions of the distribution network management centers, screen out a distribution network management center closest to the dangerous power transmission line segment, perform optimal route planning according to the dangerous power transmission line segment and the geographic position corresponding to the distribution network management center closest to the dangerous power transmission line segment, further send the planned optimal route and the geographic position corresponding to the dangerous power transmission line segment to the distribution network management center closest to the dangerous power transmission line segment, and dispatch, by the distribution network management center closest to the dangerous power transmission line segment, a relevant manager to perform processing according to the planned optimal route.
The invention has the following beneficial effects:
(1) according to the invention, the whole power transmission line is divided into a plurality of power transmission line segments, and basic parameters, accumulated pressure difference and power transmission parameters of each power transmission line segment are obtained, so that the external pressure danger coefficient and the power transmission danger coefficient of each power transmission line segment are counted, the comprehensive operation danger coefficient of each power transmission line segment is obtained, and the power transmission line segments with dangerous states are counted according to the comprehensive operation danger coefficients of each power transmission line segment, so that the targeted processing is carried out, the effective management on the safe operation of the power distribution network is realized, the characteristics of high intelligent degree are provided, the safe operation level of the power distribution network is improved, the probability of safety problems of the power distribution network is reduced, the personal safety of people around the power distribution network is further ensured, and the economic loss caused by the safety problems of.
(2) According to the invention, by arranging the power transmission line segmentation marking module, the whole power transmission line is divided into a plurality of power transmission line segments according to the number of telegraph poles in the power transmission process, and then the statistics of the relevant danger coefficients of the power transmission line segments is carried out, so that the characteristics of wide existing range and large span of the power transmission line are fully utilized, the difficulty caused by the characteristics of wide existing range and large span of the power transmission line on the safe operation management of the conventional power distribution network is overcome, the efficiency of the safe operation management of the power distribution network is improved, the defect of low efficiency of the safe operation management of the conventional power distribution network is overcome, and the.
(3) When the comprehensive operation risk coefficients corresponding to the power transmission line sections are counted, the two characteristics of the external pressure risk coefficient and the power transmission risk coefficient of each power transmission line section are integrated, the comprehensiveness and the reliability of the statistic result of the comprehensive operation risk coefficients are improved, and the influence on the reliability of the comprehensive operation risk coefficients of each power transmission line section due to the fact that the singularization and the inaccuracy of the statistic result are caused by counting only any one of the external pressure or the internal power transmission of each power transmission line section is avoided.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the intelligent power distribution network safe operation management system based on big data feature recognition comprises a power transmission line segmentation marking module, a power transmission line basic parameter obtaining module, a power transmission line position obtaining module, a power transmission line detection point laying module, a safety database, a pressure detection module, a power transmission parameter detection module, a parameter processing center, a management server, a distance matching tracking module, a display terminal and a power distribution network management center.
The power transmission line segmentation marking module is used for counting the number of telegraph poles contained in the process of conveying power transmission lines in a power distribution network from a power plant to a user, the power transmission lines are divided into a plurality of power transmission line sections by the telegraph poles, the number of the divided power transmission line sections is calculated according to the counted number of the telegraph poles, the calculation method is that the counted number of the telegraph poles is reduced by one to obtain the number of the divided power transmission line sections, the divided power transmission line sections are numbered according to the distance from the power transmission line sections to the user, and the number is sequentially marked as 1,2.
According to the power distribution network safety operation management system, the power transmission line segmentation marking module is arranged, the whole power transmission line is divided into the plurality of power transmission line sections according to the number of the telegraph poles contained in the power transmission process, and then relevant danger coefficient statistics is carried out on each power transmission line section, the characteristics of wide existing range and large span of the power transmission line are fully utilized, the defects that the existing range of the power transmission line is wide and the large span of the power transmission line causes the existing power distribution network safety operation management are overcome, the efficiency of the power distribution network safety operation management is improved, the defect that the existing power distribution network safety operation management efficiency is low is overcome.
The transmission line segment basic parameter acquisition module is used for acquiring basic parameters of each divided transmission line segment, wherein the basic parameters comprise the length of the transmission line segment and the diameter of the transmission line segment, and the acquired basic parameters of each transmission line segment form a basic parameter set Qw(qw1,qw2,...,qwi,...,qwn)，qwAnd i is a numerical value corresponding to the w-th basic parameter of the ith transmission line section, w is a basic parameter, w is wl, wd, wl and wd are respectively the length and the diameter of the transmission line section, and the transmission line section basic parameter acquisition module transmits the formed basic parameter set to the parameter processing center.
The transmission line section basic parameter set constructed in the embodiment provides a reliable reference basis for later-stage statistics of external pressure risk coefficients corresponding to the transmission line sections.
And the power transmission line section position acquisition module comprises a GPS locator and is used for positioning the geographical position of each power transmission line section and storing the acquired geographical position of each power transmission line section in a position database.
And the power transmission line section detection point arrangement module is used for carrying out detection point arrangement on each power transmission line section, and the specific arrangement method comprises the steps of uniformly dividing the length of each power transmission line section from one end to the other end equally, wherein each equally divided point is used as a detection point, and numbering the obtained detection points according to a preset sequence, wherein the obtained detection points are respectively marked as 1,2.
In the embodiment, the detection points are distributed on each divided transmission line segment, so that the bearing pressure of each detection point can be conveniently detected later, the obtained bearing pressure of each detection point makes up the detection error caused by detecting the bearing pressure only by a single detection point, and the accuracy of counting the accumulated pressure difference of each transmission line segment later is improved.
The pressure detection module comprises a plurality of pressure sensors which are respectively arranged at the positions of detection points arranged on each transmission line section and are used for detecting the pressure born by the detection points on the transmission line section to obtain the bearing pressure of the detection points on each transmission line section so as to form a detection point bearing pressure set Fp(fp1,fp2,...,fpj,...,fpm)，fpAnd i represents the bearing pressure of the jth detection point on the pth transmission line segment, p represents the transmission line segment number, and p is 1,2.
In the embodiment, the pressure detection module is arranged to detect the bearing pressure of each detection point of each transmission line segment, so that the characteristic that the transmission line is easily interfered by the external environment is effectively utilized, when wind, rain, snow and the like in the external environment act on the transmission line segment, the transmission line segment is influenced in the bearing pressure, and when the bearing pressure of the transmission line segment is greater than the bearable safety pressure, the transmission line segment has operation safety problems, such as falling off and breakage of the transmission line segment, and the arranged pressure detection module can well reflect the external dangerous conditions corresponding to each transmission line segment.
The parameter processing center respectively receives the basic parameter sets sent by the transmission line segment basic parameter acquisition moduleAnd a detection point bearing pressure set sent by the pressure detection module, and carrying out difference calculation on adjacent detection points from a second item in the detection point bearing pressure set to obtain pressure difference of the adjacent detection points, which is recorded as delta F1, delta F2, asp[Δfp1，Δfp2，...，Δfp(j-1),...,Δfp(m-1)]，Δfp(j-1) is expressed as the difference value between the bearing pressure of the jth detection point on the pth power line section and the bearing pressure of the jth detection point, so that the parameter processing center counts the accumulated pressure difference corresponding to each power line section according to the pressure difference set of the adjacent detection points
ZpThe accumulated pressure difference is expressed as the accumulated pressure difference corresponding to the pth power transmission line section, the accumulated pressure difference of a certain power transmission line section counted by the pth power transmission line section is larger, the pressure unbalance degree born by the power transmission line section is higher, the safe accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line in the safety database is extracted at the moment, and the safe accumulated pressure difference Z corresponding to each power transmission line section is counted according to the length of the power transmission line section corresponding to each power transmission line section in the basic parameter set, the diameter of the power transmission line section and the safe accumulated pressure difference corresponding to the unit length andp security＝qwdp*qwlp*z，Zp securityExpressed as the safety accumulated pressure difference, q, for the pth power line sectionwdp、qwlp is respectively expressed as the transmission line section diameter of the p-th transmission line section, the length of the transmission line section, z is expressed as the unit length of the transmission line and the safe accumulated pressure difference corresponding to the unit diameter, and the parameter processing center counts the external pressure danger coefficient corresponding to each transmission line section according to the accumulated pressure difference corresponding to each transmission line section and the safe accumulated pressure difference corresponding to each transmission line section
ηpExpressed as the external pressure danger coefficient corresponding to the pth power transmission line section, and the parameter processing center counts the power transmission line section pairsThe corresponding external pressure risk factor is sent to the management server.
The external pressure danger coefficients corresponding to the power transmission line sections counted by the embodiment visually reflect the pressure danger condition caused by the action of the external environment on the power transmission line sections, and provide the relevant coefficients of the external pressure danger for later-stage counting of the comprehensive operation danger coefficients corresponding to the power transmission line sections.
The safety database is used for storing the safety accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line, storing the standard voltage and the standard current corresponding to each power transmission line section and storing the minimum comprehensive operation risk coefficient corresponding to each power transmission line section.
The power transmission parameter detection module comprises a plurality of voltagesometers and ammeters and is used for respectively detecting the voltage and the current at two ends of each power transmission line section, the two ends of each power transmission line section can be marked as A and B, and the obtained voltage and current at two ends of each power transmission line section form a power transmission parameter set Dv(dv1,dv2,...,dvi,...,dvn)，dvi is a numerical value corresponding to a vth transmission parameter of an ith transmission line segment, v is a transmission parameter, and v is equal to UA,UB,IA,IB，UA,UB,IA,IBThe voltage of the A end, the voltage of the B end, the current of the A end and the current of the B end of the power transmission line segment are respectively represented, and the power transmission parameter detection module sends the power transmission parameter set to the parameter processing center.
The parameter processing center receives the power transmission parameter set sent by the power transmission parameter detection module, extracts the standard voltage and the standard current corresponding to each power transmission line section in the safety database, and then calculates the power transmission danger coefficient corresponding to each power transmission line section according to the power transmission parameter set and the standard voltage and the standard current corresponding to each power transmission line section
ξpExpressed as the transmission risk factor for the pth line segment,
respectively denoted as p-th transmission lineThe voltage across segment A, B is such that,
current, U, across A, B, represented as the pth power line segmentp0、Ip0And respectively representing the standard voltage and the standard current corresponding to the pth power transmission line segment, and sending the power transmission danger coefficients corresponding to the power transmission line segments counted by the parameter processing center to the management server.
The power transmission risk coefficients corresponding to the power transmission line segments counted by the embodiment intuitively reflect the dangerous conditions of the power transmission line segments caused by power transmission parameters in the power transmission process of the power transmission line segments, under normal conditions, the voltages and currents at two ends of the power transmission line segments are close and keep the same as the standard voltages and currents of the power transmission line segments, when the voltage or current difference at two ends of a certain power transmission line segment is overlarge, the power transmission line segment is indicated to be possible to have electric leakage, so that the power transmission risk coefficient counting is necessary, and meanwhile, the power transmission risk coefficients corresponding to the power transmission line segments counted by the power transmission line segment provide the relevant coefficients of power transmission risks for later-stage counting of the comprehensive operation risk coefficients corresponding to the power.
The management server receives the external danger coefficients corresponding to the power transmission line sections and the power transmission danger coefficients corresponding to the power transmission line sections, which are sent by the parameter processing center, adds the external danger coefficients corresponding to the power transmission line sections and the power transmission danger coefficients to obtain comprehensive operation danger coefficients corresponding to the power transmission line sections, sends the obtained comprehensive operation danger coefficients corresponding to the power transmission line sections to the display terminal, compares the comprehensive operation danger coefficients corresponding to the power transmission line sections with the minimum comprehensive operation danger coefficients corresponding to the power transmission line sections, which are set in the safety database, if the comprehensive operation danger coefficients corresponding to a certain power transmission line section are larger than the minimum comprehensive operation danger coefficients corresponding to the power transmission line sections, the power transmission line section is in a dangerous state, the power transmission line section is marked as a dangerous power transmission line section, at the moment, the number of the dangerous power transmission line section is counted, and the geographical position corresponding to the dangerous power transmission line section is screened from the position database, and then the serial numbers and the corresponding geographic positions of the dangerous power transmission line segments are sent to a distance matching and tracking module.
According to the method and the device, when the comprehensive operation risk coefficients corresponding to the power transmission line sections are counted, two characteristics of the external pressure risk coefficient and the power transmission risk coefficient of each power transmission line section are integrated, the comprehensiveness and the reliability of the statistic result of the comprehensive operation risk coefficients are improved, and the influence on the reliability of the comprehensive operation risk coefficients of each power transmission line section due to the fact that the singularization and the inaccuracy of the statistic result are caused by the fact that only one of the external pressure or the internal power transmission characteristics of each power transmission line section is counted is avoided.
The display terminal receives and displays the comprehensive operation danger coefficients corresponding to the power transmission line sections sent by the management server, so that related management personnel can conveniently and visually know the comprehensive operation danger conditions of the power transmission line sections, the counted comprehensive operation danger coefficients realize quantitative display of the comprehensive operation danger conditions of the power transmission line sections, the larger the comprehensive operation danger coefficient is, the higher the comprehensive operation danger degree of the power transmission line sections is, the more convenient the related management personnel can conveniently evaluate the operation danger degree of the power transmission line sections according to the size of the comprehensive operation danger coefficient corresponding to the power transmission line sections, and therefore safety measures are made in advance, the probability of safety problems occurring in the power distribution network is reduced, the personal safety of people around the power distribution network is further guaranteed, and economic loss caused by the safety problems occurring in the power distribution network is reduced.
And the distance matching tracking module is used for receiving the serial numbers of the dangerous power transmission line sections and the corresponding geographic positions sent by the management server, acquiring the geographic positions of the power distribution network management centers in the region, comparing the geographic positions corresponding to the dangerous power transmission line sections with the geographic positions of the power distribution network management centers, screening the power distribution network management center closest to the dangerous power transmission line sections, planning the optimal route according to the dangerous power transmission line sections and the geographic positions corresponding to the power distribution network management centers closest to the dangerous power transmission line sections, and sending the planned optimal route, the dangerous power transmission line section serial numbers and the corresponding geographic positions to the power distribution network management centers closest to the dangerous power transmission line sections.
In this embodiment, when a power distribution network management center closest to a dangerous power transmission line segment is screened, when more than one dangerous power transmission line segment is received, a power distribution network management center closer to the geographical position of each dangerous power transmission line segment needs to be preferentially screened according to the geographical position corresponding to each dangerous power transmission line segment, so that the time from the geographical position of the screened power distribution network management center to the geographical position of each dangerous power transmission line segment is shortest, and meanwhile, an optimal route from the geographical position of the screened power distribution network management center to the geographical position of each dangerous power transmission line segment needs to be planned.
The power distribution network management center receives the numbers and the corresponding geographic positions of the optimal route and the dangerous power transmission line segment sent by the distance matching tracking module, and then dispatches related management personnel to timely and pertinently process according to the planned optimal route, so that the dangerous power transmission line segment is restored to a safe state, and normal and safe operation of the power distribution network is guaranteed.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (9)
1. The utility model provides an intelligent power distribution network safe operation management system based on big data feature recognition which characterized in that: the power transmission line segment identification system comprises a power transmission line segment marking module, a power transmission line segment basic parameter acquisition module, a safety database, a pressure detection module, a power transmission parameter detection module, a parameter processing center, a management server, a display terminal and a power distribution network management center;
the power transmission line segmentation marking module is used for counting the number of telegraph poles included in the process of conveying power transmission lines in a power distribution network from a power plant to a user, the power transmission lines are divided into a plurality of power transmission line sections by the plurality of telegraph poles, the number of the divided power transmission line sections is calculated according to the counted number of the telegraph poles, the divided power transmission line sections are numbered according to the distance from the power plant to the user, and the power transmission line segmentation marking module is sequentially marked as 1,2.
The transmission line segment basic parameter acquisition module is used for each divided transmission lineAcquiring basic parameters including the length and diameter of the transmission line section, and forming a basic parameter set Q by the acquired basic parameters of each transmission line sectionw(qw1,qw2,...,qwi,...,qwn)，qwi represents a numerical value corresponding to a w-th basic parameter of an ith transmission line section, w represents a basic parameter, w is wl, wd, wl and wd represent the length and the diameter of the transmission line section respectively, and a transmission line section basic parameter acquisition module transmits a formed basic parameter set to a parameter processing center;
the pressure detection module comprises a plurality of pressure sensors which are respectively arranged at the positions of detection points arranged on each transmission line section and are used for detecting the pressure born by the detection points on the transmission line section to obtain the bearing pressure of the detection points on each transmission line section so as to form a detection point bearing pressure set Fp(fp1,fp2,...,fpj,...,fpm)，fpThe pressure detection module sends a set of the bearing pressures of the detection points to the parameter processing center;
the parameter processing center respectively receives a basic parameter set sent by the transmission line segment basic parameter acquisition module and a detection point bearing pressure set sent by the pressure detection module, and performs difference calculation on adjacent detection points from a second item in the detection point bearing pressure set to obtain pressure difference between the adjacent detection points, which is sequentially marked as delta F1, delta F2, delta.f (j-1), delta.once, and delta F (m-1), so as to form an adjacent detection point pressure difference set delta Fp[Δfp1，Δfp2，...，Δfp(j-1),...,Δfp(m-1)]，Δfp(j-1) is expressed as the difference value between the bearing pressure of the jth detection point on the pth power transmission line segment and the bearing pressure of the jth detection point, so that the parameter processing center counts the accumulated pressure difference corresponding to each power transmission line segment according to the pressure difference set of the adjacent detection points, extracts the safe accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line in the safety database, and further extracts the safe accumulated pressure difference corresponding to each power transmission line segment in the basic parameter set according to the power transmission line segment corresponding to each power transmission line segment in the basic parameter setThe method comprises the steps that the safe accumulated pressure difference corresponding to each power transmission line section is counted according to the unit length and unit diameter of a power transmission line in the length and power transmission line section and the safe accumulated pressure difference corresponding to the unit diameter of the power transmission line in a safety database, and the external pressure danger coefficient corresponding to each power transmission line section is counted by a parameter processing center according to the accumulated pressure difference corresponding to each power transmission line section and the safe accumulated pressure difference corresponding to each power transmission line section and sent to a management server;
the safety database is used for storing the safety accumulated pressure difference corresponding to the unit length and the unit diameter of the power transmission line, storing the standard voltage and the standard current corresponding to each power transmission line section and storing the minimum comprehensive operation risk coefficient corresponding to each power transmission line section;
the power transmission parameter detection module comprises a plurality of voltagesometers and ammeters and is used for respectively detecting the voltage and the current at two ends of each power transmission line section, the two ends of each power transmission line section can be marked as A and B, and the obtained voltage and current at two ends of each power transmission line section form a power transmission parameter set Dv(dv1,dv2,...,dvi,...,dvn)，dvi is a numerical value corresponding to a vth transmission parameter of an ith transmission line segment, v is a transmission parameter, and v is equal to UA,UB,IA,IB，UA,UB,IA,IBThe voltage of the A end, the voltage of the B end, the current of the A end and the current of the B end of the power transmission line segment are respectively represented, and the power transmission parameter detection module sends a power transmission parameter set to a parameter processing center;
the parameter processing center receives the power transmission parameter set sent by the power transmission parameter detection module, extracts the standard voltage and the standard current corresponding to each power transmission line section in the safety database, counts the power transmission danger coefficient corresponding to each power transmission line section according to the power transmission parameter set and the standard voltage and the standard current corresponding to each power transmission line section, and sends the power transmission danger coefficient to the management server;
the management server receives the external danger coefficients corresponding to the power transmission line sections and the power transmission danger coefficients corresponding to the power transmission line sections, which are sent by the parameter processing center, adds the external danger coefficients corresponding to the power transmission line sections and the power transmission danger coefficients to obtain comprehensive operation danger coefficients corresponding to the power transmission line sections, sends the obtained comprehensive operation danger coefficients corresponding to the power transmission line sections to the display terminal, compares the comprehensive operation danger coefficients corresponding to the power transmission line sections with the minimum comprehensive operation danger coefficients corresponding to the power transmission line sections, which are set in the safety database, if the comprehensive operation danger coefficients corresponding to a certain power transmission line section are larger than the minimum comprehensive operation danger coefficients corresponding to the power transmission line sections, the power transmission line section is in a dangerous state, the power transmission line section is marked as a dangerous power transmission line section, at the moment, the number of the dangerous power transmission line section is counted, and the geographical position corresponding to the dangerous power transmission line section is screened from the position database, the serial numbers and the corresponding geographic positions of the dangerous power transmission line sections are sent to a power distribution network management center;
the display terminal receives and displays the comprehensive operation risk coefficient corresponding to each power transmission line section sent by the management server;
and the power distribution network management center receives the numbers and the corresponding geographic positions of the dangerous power transmission line sections sent by the management server, and then dispatches related management personnel to process.
2. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the power transmission line segmentation marking module calculates the number of the divided power transmission line sections, and the calculation method is to subtract one from the counted number of the telegraph poles to obtain the number of the divided power transmission line sections.
3. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the system also comprises a power transmission line section position acquisition module which comprises a GPS locator and is used for positioning the geographical position of each power transmission line section and storing the acquired geographical position of each power transmission line section in a position database.
4. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the system comprises a power transmission line section detection point arrangement module, a power transmission line section detection point arrangement module and a specific arrangement method, wherein the power transmission line section detection point arrangement module is used for carrying out detection point arrangement on each power transmission line section, the specific arrangement method is that the length of each power transmission line section from one end to the other end is evenly divided into equal parts, each equal division point is used as a detection point, and the obtained detection points are numbered according to a preset sequence and are respectively marked as 1,2.
5. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the calculation formula of the accumulated pressure difference corresponding to each power transmission line section is
ZpIndicated as the cumulative pressure difference for the pth power line segment.
6. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the calculation formula of the safe accumulated pressure difference corresponding to each power transmission line section is Zp security＝qwdp*qwlp*z，Zp securityExpressed as the safety accumulated pressure difference, q, for the pth power line sectionwdp、qwlp is respectively expressed as the transmission line section diameter of the p-th transmission line section, the length of the transmission line section, and z is expressed as the safe accumulated pressure difference corresponding to the unit length and the unit diameter of the transmission line.
7. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the calculation formula of the external pressure danger coefficient corresponding to each power transmission line section is
ηpExpressed as the external pressure risk factor for the pth power line segment.
8. The intelligent power distribution network safe operation pipe based on big data feature recognition according to claim 1The reason system, its characterized in that: the calculation formula of the power transmission danger coefficient corresponding to each power transmission line section is
ξpExpressed as the transmission risk factor for the pth line segment,
respectively shown as the voltage across A, B of the pth power line segment,
current, U, across A, B, represented as the pth power line segmentp0、Ip0Respectively expressed as a standard voltage and a standard current corresponding to the pth power line segment.
9. The intelligent power distribution network safe operation management system based on big data feature recognition according to claim 1, characterized in that: the system further comprises a distance matching tracking module, wherein the distance matching tracking module is used for obtaining the geographic position of each power distribution network management center in the area, comparing the geographic position corresponding to the dangerous power transmission line segment with the geographic position of each power distribution network management center, screening the power distribution network management center closest to the dangerous power transmission line segment, planning the optimal route according to the dangerous power transmission line segment and the geographic position corresponding to the power distribution network management center closest to the dangerous power transmission line segment, sending the planned optimal route and the geographic position corresponding to the dangerous power transmission line segment to the power distribution network management center closest to the dangerous power transmission line segment, and dispatching related management personnel to the power distribution network management center closest to the dangerous power transmission line segment to process the planned optimal route.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113051423A (en) * | 2021-03-24 | 2021-06-29 | 武汉瑞辉科技发展有限公司 | Intelligent online monitoring method for state of power transmission line of intelligent power grid based on big data analysis |
| CN113111471A (en) * | 2021-04-14 | 2021-07-13 | 武汉行健道信息技术有限公司 | Urban intelligent water affair digital intelligent management system based on artificial intelligence and Internet of things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113051423A (en) * | 2021-03-24 | 2021-06-29 | 武汉瑞辉科技发展有限公司 | Intelligent online monitoring method for state of power transmission line of intelligent power grid based on big data analysis |
| CN113111471A (en) * | 2021-04-14 | 2021-07-13 | 武汉行健道信息技术有限公司 | Urban intelligent water affair digital intelligent management system based on artificial intelligence and Internet of things |
| CN113111471B (en) * | 2021-04-14 | 2022-02-22 | 湖南华埔信息产业有限公司 | Urban intelligent water affair digital management system based on artificial intelligence and Internet of things |
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