CN110556921A - safety monitoring system for real-time operation of power grid - Google Patents
safety monitoring system for real-time operation of power grid Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
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Abstract
the invention discloses a safety monitoring system for real-time operation of a power grid, which comprises a data monitoring unit, a safety monitoring unit, a processor, a display unit, a storage unit, an execution unit, a data marking unit, a map unit, an emergency processing unit, a power supply acquisition unit and a path calculation unit, wherein the data monitoring unit is used for monitoring the operation of the power grid; the method comprises the steps of analyzing power grid operation data by means of a safety monitoring unit, automatically acquiring the position where the power grid is abnormal, transmitting the abnormal position of the power grid to a data marking unit by means of a processor, marking the abnormal position in a power supply map by the data marking unit, analyzing the abnormal position by means of a corresponding power supply acquisition unit and a path calculation unit to obtain the shortest distance Lk, the congestion ratio Zk and the limited area Sxk corresponding to the abnormal position, calculating the emergency repair value Qxk corresponding to each abnormal position by means of the factors, and performing emergency repair on the abnormal position by using an execution unit according to the emergency repair values.
Description
Technical Field
the invention belongs to the field of safety monitoring, relates to a power grid operation monitoring technology, and particularly relates to a safety monitoring system for real-time operation of a power grid.
Background
CN105116291A discloses a fault diagnosis system and method based on power grid operation steady state monitoring information, the system comprises six modules of data interface, data receiving preprocessing, equipment state online monitoring, signal analysis integration, fault logic diagnosis and fault alarm control, all the modules share work and cooperate with each other through functions to finish the power grid online fault diagnosis together; the diagnosis method comprises the steps of obtaining power grid operation steady state monitoring information from a power grid regulation and control center monitoring system, carrying out initial detection on the information according to a preset filtering rule, arranging the information into primary equipment fault analysis data information, and simultaneously combining primary equipment measurement sampling, mutation and topological structure change to realize fault online diagnosis by adopting a local network topology analysis method and a logic-based fault diagnosis method. The diagnosis system provided by the invention has the advantages of good real-time performance, comprehensive diagnosis range, simple and flexible realization of the diagnosis method, and wide practicability and adaptability.
however, the current grid operation monitoring technology basically monitors where the power grid has errors, and rarely relates to the situation that some abnormal conditions are timely maintained when the power grid has large-range operation errors during operation, and how to judge the position of the first-aid repair position is determined for the power grid operation abnormality at multiple positions; based on this, the invention provides a technical scheme.
disclosure of Invention
the invention aims to provide a safety monitoring system for real-time operation of a power grid.
the purpose of the invention can be realized by the following technical scheme:
A safety monitoring system for real-time operation of a power grid comprises a data monitoring unit, a safety monitoring unit, a processor, a display unit, a storage unit, an execution unit, a data marking unit, a map unit, an emergency processing unit, a power supply acquisition unit and a path calculation unit;
the data monitoring unit is used for acquiring power grid operation data; the data monitoring unit is used for transmitting the real-time power grid operation data to the safety monitoring unit, and the safety monitoring unit receives a plurality of power grid operation data transmitted by the data monitoring unit and performs data following operation on the power grid operation data to obtain an error signal;
the safety monitoring unit is used for acquiring a position where an error signal is generated when the error signal is generated, and marking the position as an abnormal position Yk, wherein k is 1.. n; the safety monitoring unit is used for transmitting the abnormal position Yk to the data marking unit;
the map unit is internally stored with a power supply map of a power supply area, and the data marking unit is used for marking an abnormal position Yk on the power supply map in the map unit;
the power supply acquisition unit is internally provided with power supply information, and the power supply information is specifically a power supply range corresponding to a specific line of the power supply area; the power supply acquisition unit is used for carrying out range processing on the abnormal position Yk in the map unit to obtain a limited area Sxk;
the power supply acquisition unit is used for transmitting the limited area Sxk corresponding to the abnormal position Yk to the emergency processing unit, and the emergency processing unit receives the limited area Sxk transmitted by the power supply acquisition unit;
the route calculation unit is internally provided with a power supply maintenance point position of the power supply area and is used for analyzing the maintenance distance rate by combining a map unit to obtain the shortest distance Lk and the congestion ratio Zk;
The path calculation unit is used for transmitting the shortest distance Lk and the congestion occupation ratio Zk to the emergency processing unit, the emergency processing unit is used for performing emergency maintenance analysis, and the specific steps of the emergency maintenance analysis are as follows:
s100: acquiring an abnormal position Yk, and a corresponding shortest distance Lk, a congestion ratio Zk and a limited area Sxk;
s200: then acquiring the generation time of the corresponding abnormal position Yk, and marking the generation time as Tck;
s300: calculating first-aid repair values Qxk of all abnormal positions Yk by using a formula; the calculation formula of the first-aid repair value Qxk is as follows:
the emergency processing unit is used for marking the abnormal position of corresponding Yk as an emergency repair position in turn according to the value of Qxk, the emergency processing unit is used for transmitting the emergency repair position to the processor, the processor is used for transmitting the emergency repair position to the execution unit to execute the maintenance of the corresponding emergency repair position, the execution unit returns the completion signal of the corresponding emergency repair position after the maintenance of the emergency repair position is finished, the execution unit transmits the completion signal to the processor, the processor returns the completion signal of the corresponding emergency repair position to the emergency processing unit, and the emergency processing unit is used for eliminating the abnormal position in the map unit.
further, the data following operation specifically includes:
the method comprises the following steps: firstly, acquiring power grid operation data, and marking the power grid operation data as power grid operation data Di, wherein i is 1.
step two: acquiring a real-time value of the power grid operation data Di every preset time T1 to obtain real-time values of a plurality of groups of power grid operation data, and marking the real-time values as real-time operation data Sij, i is 1.. n, j is 1.. m; wherein Sij is expressed as a jth group value of the power grid operation data Di;
step three: let i equal to 1; acquiring corresponding real-time operation data S1 j;
step four: processing the real-time operation data S1 j; the specific treatment is as follows:
s1: let the latest real-time operation data be S1 m;
s2: acquiring the front X1 group data of the latest real-time operation data; then obtaining S1, m-X1 to S1, m groups of real-time operation data; calculating to obtain the mean value of the X1+1 groups of real-time running data, and marking the mean value as G;
s3: using formulascalculating to obtain a stable value W of the X1+1 group of real-time operation data;
step five: repeating the fourth step to the fifth step by making i equal to i +1, and knowing that all real-time operation data of are processed; obtaining a stable value group Wi, i is 1.. n;
Step six: acquiring the number of values Wi which are more than or equal to X2, wherein X2 is a preset value;
Step seven: the proportion of the number of the values Wi ≧ X2 to the total number Wi is obtained, and an error signal is generated when the proportion exceeds a preset proportion.
Further, the range processing comprises the following specific steps:
S10: acquiring abnormal positions Yk on all power supply maps;
s20: obtaining a corresponding abnormal position Y1 by changing k to 1;
s30: acquiring the power supply range of the abnormal position Y1 according to the power supply information, and calculating a limited area, wherein the limited area is calculated in the following manner:
S31: acquiring a power supply range corresponding to the abnormal position Y1;
s32: marking the most marginal users of the power supply range as individual points;
S33: all the points are connected in sequence to form a closed area;
S34: calculating the area of the closed area, and marking the area as a limited area Sx;
s40: obtaining a corresponding abnormal position Yk +1 by changing k to k + 1;
s50: steps S30-S50 are repeated until limited areas to all the abnormal positions Yk are calculated, the limited areas are marked as Sxk, k is 1.. n, and Sxk corresponds to Yk one to one.
further, the service separation rate analysis specifically includes:
SS 1: firstly, acquiring a power supply maintenance point position;
SS 2: acquiring an abnormal position Yk, setting k to be 1, and acquiring a corresponding abnormal position Y1;
SS 3: acquiring the shortest path from the position of the power supply maintenance point to the abnormal position Y1 according to the map information, acquiring the shortest distance of the path and marking the distance as L;
SS 4: obtaining the shortest path, and performing congestion analysis on the shortest path, wherein the specific analysis steps are as follows:
SS 41: acquiring congestion time of each day from the current X3 days, judging that the vehicle is congested when the average speed of the vehicle passing through the shortest path is lower than a preset speed by congestion, and marking the time lower than the preset speed at different times as the congestion time; the congestion duration is measured as hours;
SS 42: the congestion ratio is obtained by dividing the congestion time by 12, the night time is not taken for calculation, and the congestion ratio Z is calculated by dividing the congestion time by 12 because congestion rarely occurs in part of idle time;
SS 5: obtaining a corresponding abnormal position Yk +1 by changing k to k + 1;
SS 6: repeating the steps SS3-SS6 to obtain the shortest distances Lk and the congestion ratios Zk, k being 1.. n of all the abnormal positions Yk; lk, Zk and Yk correspond to each other one by one.
Further, the processor is also used for transmitting the emergency repair position to the display unit for real-time display.
Furthermore, the processor is used for stamping a time stamp on a completion signal corresponding to the first-aid repair position and transmitting the completion signal to the storage unit, and the storage unit receives the first-aid repair position with the completion signal and the time stamp and stores the first-aid repair position in real time.
The invention has the beneficial effects that:
the method comprises the steps of analyzing power grid operation data by means of a safety monitoring unit, automatically acquiring the position where a power grid abnormity occurs, transmitting the abnormal position of the power grid to a data marking unit by means of a processor, marking the abnormal position in a power supply map by the data marking unit, analyzing the abnormal position by means of a corresponding power supply acquisition unit and a path calculation unit to obtain the shortest distance Lk, the congestion ratio Zk and the limited area Sxk corresponding to the abnormal position, calculating by means of the factors to obtain an emergency repair value Qxk corresponding to each abnormal position, performing emergency repair on the abnormal position by using an execution unit according to the emergency repair values, and eliminating the abnormal position in the power supply map after the emergency repair is completed; therefore, the one-to-one rush repair of a plurality of abnormal positions is realized, and the problem that how to repair a plurality of abnormal positions when a maintenance worker does not know the specific situation is avoided; the invention is simple, effective and easy to use.
drawings
in order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
As shown in fig. 1, a safety monitoring system for real-time operation of a power grid includes a data monitoring unit, a safety monitoring unit, a processor, a display unit, a storage unit, an execution unit, a data marking unit, a map unit, an emergency processing unit, a power supply obtaining unit, and a path calculating unit;
the data monitoring unit is used for monitoring the power grid operation data in real time by means of an SCADA system and acquiring the power grid operation data by means of a preposed acquisition subsystem in the SCADA system; the power grid operation data is data generated in the actual operation process of a power supply network, and specifically comprises real-time data of the power grid, power grid parameter data, power generation and load data and the like; the data monitoring unit is used for transmitting power grid operation real-time data to the safety monitoring unit, the safety monitoring unit receives a plurality of power grid operation data transmitted by the data monitoring unit and carries out data following operation on the power grid operation data, and the specific data following operation comprises the following steps:
the method comprises the following steps: firstly, acquiring power grid operation data, and marking the power grid operation data as power grid operation data Di, wherein i is 1.
step two: acquiring a real-time value of the power grid operation data Di every preset time T1 to obtain real-time values of a plurality of groups of power grid operation data, and marking the real-time values as real-time operation data Sij, i is 1.. n, j is 1.. m; wherein Sij is expressed as a jth group value of the power grid operation data Di;
step three: let i equal to 1; acquiring corresponding real-time operation data S1 j;
step four: processing the real-time operation data S1 j; the specific treatment is as follows:
S1: let the latest real-time operation data be S1 m;
S2: acquiring the front X1 group data of the latest real-time operation data; then obtaining S1, m-X1 to S1, m groups of real-time operation data; calculating to obtain the mean value of the X1+1 groups of real-time running data, and marking the mean value as G;
s3: using formulasCalculating to obtain a stable value W of the X1+1 group of real-time operation data;
step five: repeating the fourth step to the fifth step by making i equal to i +1, and knowing that all real-time operation data of are processed; obtaining a stable value group Wi, i is 1.. n;
step six: acquiring the number of values Wi which are more than or equal to X2, wherein X2 is a preset value;
Step seven: acquiring the proportion of the number of the values Wi ≧ X2 in the total number of Wi, and generating an error signal when the proportion exceeds a preset proportion;
the safety monitoring unit is used for acquiring a position where an error signal is generated when the error signal is generated, and marking the position as an abnormal position Yk, wherein k is 1.. n; the safety monitoring unit is used for transmitting the abnormal position Yk to the data marking unit;
the map unit is internally stored with a power supply map of a power supply area, and the data marking unit is used for marking an abnormal position Yk on the power supply map in the map unit;
the power supply acquisition unit is internally provided with power supply information, and the power supply information is specifically a power supply range corresponding to a specific line of the power supply area, namely which line supplies power to a user in which range; the power supply acquisition unit is used for performing range processing on the abnormal position Yk in the map unit, and the specific steps of the range processing are as follows:
s10: acquiring abnormal positions Yk on all power supply maps;
S20: obtaining a corresponding abnormal position Y1 by changing k to 1;
s30: acquiring the power supply range of the abnormal position Y1 according to the power supply information, and calculating a limited area, wherein the limited area is calculated in the following manner:
s31: acquiring a power supply range corresponding to the abnormal position Y1;
s32: marking the most marginal users of the power supply range as individual points;
s33: all the points are connected in sequence to form a closed area;
S34: calculating the area of the closed area, and marking the area as a limited area Sx;
s40: obtaining a corresponding abnormal position Yk +1 by changing k to k + 1;
s50: repeating the steps S30-S50 until limited areas of all abnormal positions Yk are calculated, marking the limited areas as Sxk, wherein k is 1.. n, and the Sxk corresponds to Yk one by one;
The power supply acquisition unit is used for transmitting the limited area Sxk corresponding to the abnormal position Yk to the emergency processing unit, and the emergency processing unit receives the limited area Sxk transmitted by the power supply acquisition unit;
the power supply maintenance point position of the power supply area is arranged in the path calculation unit, the path calculation unit is used for analyzing the maintenance separation rate by combining a map unit, and the maintenance separation rate analysis specifically comprises the following steps:
SS 1: firstly, acquiring a power supply maintenance point position;
SS 2: acquiring an abnormal position Yk, setting k to be 1, and acquiring a corresponding abnormal position Y1;
SS 3: acquiring the shortest path from the position of the power supply maintenance point to the abnormal position Y1 according to the map information, acquiring the shortest distance of the path and marking the distance as L; the map can be acquired by a third party map, specifically a Baidu map and the like;
SS 4: obtaining the shortest path, and performing congestion analysis on the shortest path by using traffic data of a third-party map, wherein the specific analysis steps are as follows:
SS 41: acquiring congestion time of each day from the current X3 days, judging that the vehicle is congested when the average speed of the vehicle passing through the shortest path is lower than a preset speed by congestion, and marking the time lower than the preset speed at different times as the congestion time; the congestion duration is measured as hours;
SS 42: the congestion ratio is obtained by dividing the congestion time by 12, the night time is not taken for calculation, and the congestion ratio Z is calculated by dividing the congestion time by 12 because congestion rarely occurs in part of idle time;
SS 5: obtaining a corresponding abnormal position Yk +1 by changing k to k + 1;
SS 6: repeating the steps SS3-SS6 to obtain the shortest distances Lk and the congestion ratios Zk, k being 1.. n of all the abnormal positions Yk; lk, Zk and Yk are in one-to-one correspondence;
the path calculation unit is used for transmitting the shortest distance Lk and the congestion occupation ratio Zk to the emergency processing unit, the emergency processing unit is used for performing emergency maintenance analysis, and the specific steps of the emergency maintenance analysis are as follows:
s100: acquiring an abnormal position Yk, and a corresponding shortest distance Lk, a congestion ratio Zk and a limited area Sxk;
s200: then acquiring the generation time of the corresponding abnormal position Yk, and marking the generation time as Tck;
S300: calculating first-aid repair values Qxk of all abnormal positions Yk by using a formula; the calculation formula of the first-aid repair value Qxk is as follows:
In the formula, because the influence of the generation time and the limited area on the first-aid repair value is different, the influence values are added to the formula to be uniformly distributedweighing;
The emergency processing unit is used for sequentially marking abnormal positions corresponding to Yk as emergency repair positions according to the value of Qxk, the emergency processing unit is used for transmitting the emergency repair positions to the processor, the processor is used for transmitting the emergency repair positions to the execution unit to execute maintenance corresponding to the emergency repair positions, the execution unit returns completion signals corresponding to the emergency repair positions after the maintenance of the emergency repair positions is completed, the execution unit transmits the completion signals to the processor, the processor returns the completion signals corresponding to the emergency repair positions to the emergency processing unit, and the emergency processing unit is used for eliminating the abnormal positions in the map unit;
The processor is also used for transmitting the emergency repair position to the display unit for real-time display;
the processor is used for stamping a time stamp on a finishing signal corresponding to an emergency repair position and transmitting the time stamp to the storage unit, and the storage unit receives the emergency repair position with the finishing signal and the time stamp and stores the emergency repair position in real time.
A safety monitoring system for real-time operation of a power grid comprises the steps that firstly, a safety monitoring unit is used for analyzing power grid operation data and automatically acquiring where a power grid abnormality occurs, then an abnormal position of the power grid is transmitted to a data marking unit through a processor, the data marking unit marks the abnormal position in a power supply map, the abnormal position is analyzed through a corresponding power supply acquisition unit and a corresponding path calculation unit, the shortest distance Lk, the congestion occupation ratio Zk and the limited area Sxk corresponding to the abnormal position are obtained, then an emergency repair value Qxk corresponding to each abnormal position is obtained through calculation of the factors, the abnormal position is subjected to emergency repair through an execution unit according to the emergency repair values, and the abnormal position is eliminated in the power supply map after the emergency repair is completed; therefore, the one-to-one rush repair of a plurality of abnormal positions is realized, and the problem that how to repair a plurality of abnormal positions when a maintenance worker does not know the specific situation is avoided; the invention is simple, effective and easy to use.
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 (6)
1. A safety monitoring system for real-time operation of a power grid is characterized by comprising a data monitoring unit, a safety monitoring unit, a processor, a display unit, a storage unit, an execution unit, a data marking unit, a map unit, an emergency processing unit, a power supply acquisition unit and a path calculation unit;
The data monitoring unit is used for acquiring power grid operation data; the data monitoring unit is used for transmitting the real-time power grid operation data to the safety monitoring unit, and the safety monitoring unit receives a plurality of power grid operation data transmitted by the data monitoring unit and performs data following operation on the power grid operation data to obtain an error signal;
the safety monitoring unit is used for acquiring a position where an error signal is generated when the error signal is generated, and marking the position as an abnormal position Yk, wherein k is 1.. n; the safety monitoring unit is used for transmitting the abnormal position Yk to the data marking unit;
the map unit is internally stored with a power supply map of a power supply area, and the data marking unit is used for marking an abnormal position Yk on the power supply map in the map unit;
the power supply acquisition unit is internally provided with power supply information, and the power supply information is specifically a power supply range corresponding to a specific line of the power supply area; the power supply acquisition unit is used for carrying out range processing on the abnormal position Yk in the map unit to obtain a limited area Sxk;
the power supply acquisition unit is used for transmitting the limited area Sxk corresponding to the abnormal position Yk to the emergency processing unit, and the emergency processing unit receives the limited area Sxk transmitted by the power supply acquisition unit;
The route calculation unit is internally provided with a power supply maintenance point position of the power supply area and is used for analyzing the maintenance distance rate by combining a map unit to obtain the shortest distance Lk and the congestion ratio Zk;
the path calculation unit is used for transmitting the shortest distance Lk and the congestion occupation ratio Zk to the emergency processing unit, the emergency processing unit is used for performing emergency maintenance analysis, and the specific steps of the emergency maintenance analysis are as follows:
S100: acquiring an abnormal position Yk, and a corresponding shortest distance Lk, a congestion ratio Zk and a limited area Sxk;
s200: then acquiring the generation time of the corresponding abnormal position Yk, and marking the generation time as Tck;
s300: calculating first-aid repair values Qxk of all abnormal positions Yk by using a formula; the calculation formula of the first-aid repair value Qxk is as follows:
The emergency processing unit is used for marking the abnormal position of corresponding Yk as an emergency repair position in turn according to the value of Qxk, the emergency processing unit is used for transmitting the emergency repair position to the processor, the processor is used for transmitting the emergency repair position to the execution unit to execute the maintenance of the corresponding emergency repair position, the execution unit returns the completion signal of the corresponding emergency repair position after the maintenance of the emergency repair position is finished, the execution unit transmits the completion signal to the processor, the processor returns the completion signal of the corresponding emergency repair position to the emergency processing unit, and the emergency processing unit is used for eliminating the abnormal position in the map unit.
2. the safety monitoring system for the real-time operation of the power grid according to claim 1, wherein the data following operation specifically comprises:
the method comprises the following steps: firstly, acquiring power grid operation data, and marking the power grid operation data as power grid operation data Di, wherein i is 1.
step two: acquiring a real-time value of the power grid operation data Di every preset time T1 to obtain real-time values of a plurality of groups of power grid operation data, and marking the real-time values as real-time operation data Sij, i is 1.. n, j is 1.. m; wherein Sij is expressed as a jth group value of the power grid operation data Di;
step three: let i equal to 1; acquiring corresponding real-time operation data S1 j;
Step four: processing the real-time operation data S1 j; the specific treatment is as follows:
s1: let the latest real-time operation data be S1 m;
s2: acquiring the front X1 group data of the latest real-time operation data; then obtaining S1, m-X1 to S1, m groups of real-time operation data; calculating to obtain the mean value of the X1+1 groups of real-time running data, and marking the mean value as G;
s3: using formulascalculating to obtain a stable value W of the X1+1 group of real-time operation data;
step five: repeating the fourth step to the fifth step by making i equal to i +1, and knowing that all real-time operation data of are processed; obtaining a stable value group Wi, i is 1.. n;
step six: acquiring the number of values Wi which are more than or equal to X2, wherein X2 is a preset value;
step seven: the proportion of the number of the values Wi ≧ X2 to the total number Wi is obtained, and an error signal is generated when the proportion exceeds a preset proportion.
3. the safety monitoring system for the real-time operation of the power grid according to claim 1, wherein the range processing comprises the following specific steps:
s10: acquiring abnormal positions Yk on all power supply maps;
s20: obtaining a corresponding abnormal position Y1 by changing k to 1;
s30: acquiring the power supply range of the abnormal position Y1 according to the power supply information, and calculating a limited area, wherein the limited area is calculated in the following manner:
s31: acquiring a power supply range corresponding to the abnormal position Y1;
s32: marking the most marginal users of the power supply range as individual points;
s33: all the points are connected in sequence to form a closed area;
s34: calculating the area of the closed area, and marking the area as a limited area Sx;
s40: obtaining a corresponding abnormal position Yk +1 by changing k to k + 1;
S50: steps S30-S50 are repeated until limited areas to all the abnormal positions Yk are calculated, the limited areas are marked as Sxk, k is 1.. n, and Sxk corresponds to Yk one to one.
4. the safety monitoring system for the real-time operation of the power grid according to claim 1, wherein the maintenance separation rate analysis specifically comprises:
SS 1: firstly, acquiring a power supply maintenance point position;
SS 2: acquiring an abnormal position Yk, setting k to be 1, and acquiring a corresponding abnormal position Y1;
SS 3: acquiring the shortest path from the position of the power supply maintenance point to the abnormal position Y1 according to the map information, acquiring the shortest distance of the path and marking the distance as L;
SS 4: obtaining the shortest path, and performing congestion analysis on the shortest path, wherein the specific analysis steps are as follows:
SS 41: acquiring congestion time of each day from the current X3 days, judging that the vehicle is congested when the average speed of the vehicle passing through the shortest path is lower than a preset speed by congestion, and marking the time lower than the preset speed at different times as the congestion time; the congestion duration is measured as hours;
SS 42: the congestion ratio is obtained by dividing the congestion time by 12, the night time is not taken for calculation, and the congestion ratio Z is calculated by dividing the congestion time by 12 because congestion rarely occurs in part of idle time;
SS 5: obtaining a corresponding abnormal position Yk +1 by changing k to k + 1;
SS 6: repeating the steps SS3-SS6 to obtain the shortest distances Lk and the congestion ratios Zk, k being 1.. n of all the abnormal positions Yk; lk, Zk and Yk correspond to each other one by one.
5. the safety monitoring system for the real-time operation of the power grid according to claim 1, wherein the processor is further configured to transmit the emergency repair location to the display unit for real-time display.
6. the safety monitoring system for the real-time operation of the power grid according to claim 1, wherein the processor is configured to timestamp a completion signal corresponding to the emergency repair location and transmit the timestamp to the storage unit, and the storage unit receives the emergency repair location with the completion signal and the timestamp and stores the emergency repair location in real time.
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| CN111429689A (en) * | 2020-03-24 | 2020-07-17 | 李京辉 | Utility tunnel intelligent monitoring analysis management system based on thing networking |
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