CN103278736A - Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil - Google Patents
Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil Download PDFInfo
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Abstract
The invention relates to an implement method for automatically inquiring and diagnosing and publishing a diagnosis result of lightning stroke of a breaker coil. The method comprises an EMS (Energy Management System) breaker coil information screening method, a matching method of coil names between different application systems, and a method for publishing an automatic inquiry and diagnosis rule and the result of thunder and lightning of the breaker coil. According to the implement method, information efficiency of an information system can be fully played, the quickness and the accuracy of fault point location of breaker coils caused by lightning stroke are improved, and the method can serve for safe operation of a power grid better. The invention provides the implement method for automatically inquiring and diagnosing and publishing the diagnosis result of lightning stroke of the breaker coil, which is based on real-time shared data of an energy management system, a relay protection information system and a thunder and lightning locating system, has good application effect and functions of automatically inquiring, diagnosing and publishing of lightning stroke of the breaker coil, and can provide better service for safe operation of the power grid.
Description
Technical field
The present invention is a kind of circuit thunderbolt implementation method that inquiry is diagnosed and diagnostic result is issued automatically that trips; particularly a kind of tripping operation circuit thunder and lightning based on energy management system (EMS system), relay protection information system and lightning location system Real-Time Sharing data is inquired about the method for diagnosis and diagnostic result issue automatically, belongs to the innovative technology of transmission line of electricity shocking preventing technology.
Background technology
China's southern area lightening activity is frequent, and the transmission line lightning stroke trip event takes place frequently, and thunderbolt is the main cause that causes the transmission line of electricity tripping operation, and the safe and stable operation of electrical network in serious threat.Statistics shows that the annual lightning stroke trip number of times of south electric network transmission line of electricity reaches thousands of times, and the ratio that accounts for total tripping operation of year number of times reaches more than 60%.
The transmission line lightning stroke tripping operation frequently when threatening power grid security, has also brought the big problem of lightning fault point searching work amount.Continuous development along with lightening detection and location technology, lightning location system has obtained widespread use in field of power, and strengthen that electric network thunder and lightning monitoring, trouble spot are searched fast, aspects such as analysis on accident cause and nature of trouble discriminating are all bringing into play great function, make that the transmission line lightning stroke trouble spot big problem of searching work amount has obtained solving preferably.
At present, the lightning strike spot of lightning stroke trip circuit is looked into and is patrolled and locate mainly and finished by manually-operated, detailed process is: the circuit professional and technical personnel is after receiving the line tripping information (" tripping operation line name " and " trip time ") that the operations staff provides, at first utilize lightning location system to inquire about whole circuit corridor scope lightening activity situation in a period of time before and after tripping operation constantly, rule of thumb judge the trouble spot scope that causes the lightning stroke trip probability higher that draws again, last emphasis carries out trouble spot inspection and location to the circuit in this scope.This process still is unrealized and inquires about automatically and diagnosis, and workload is big, the response time is slow.
Summary of the invention
The object of the present invention is to provide a kind of circuit thunderbolt implementation method that inquiry is diagnosed and diagnostic result is issued automatically that trips.The present invention is based on the Real-Time Sharing data of energy management system, relay protection information system and lightning location system; realize that tripping operation circuit thunder and lightning is inquired about diagnosis automatically and diagnostic result is issued; improve rapidity and the accuracy of lightning stroke trip localization of fault, for electric power netting safe running provides better service.
Technical scheme of the present invention is: the present invention trips, and the automatic inquiry of circuit thunderbolt is diagnosed and the implementation method of diagnostic result issue, comprises the steps:
When 1) line fault tripped, the displacement signal of line switching under the EMS system real time record utilized the switch changed position signal to judge by logic and filters out the tripping operation line information; Simultaneously, the also fault localization result of tripping operation circuit under the real time record of relay protection information system;
2) share interface by the real time data of developing lightning location system and EMS system, relay protection information system, the tripping operation line information in the EMS system and the fault localization information in the relay protection information system are inserted lightning location system;
3) add the real-time query task of tripping operation circuit thunder and lightning at lightning location system WEB server then, according to the real-time Query Result of thunder and lightning through the thunderbolt of tripping operation circuit automatically inquiry and diagnostic method diagnosis draw shaft tower scope and the corresponding lightning parameter at lightning fault point place, and be sent to each related management personnel and O﹠M personnel by the SMS platform automatic diagnostic result of inquiring about of circuit thunderbolt that will trip.
Above-mentioned steps 2) EMS system tripping operation line information screening technique is as follows in:
Switch changed position signal in the EMS system comprises switching signal and sub-gate signal, and sub-gate signal can't judge directly that the fault tripping operation still is planned stoppage in transit, therefore can't directly provide the tripping operation line information, need to obtain the tripping operation line information indirectly through the screening of screening logic rules, wherein, the differentiation of fault tripping signal and planned stoppage in transit signal is the most key, when the planned stoppage in transit of circuit or maintenance, homonymy line switching separating brake differs longer constantly, and disconnector separating brake information is arranged, both sides line switching separating brake constantly also differs longer; During the line fault tripping operation, the both sides line switching is the while separating brake almost, and it is shorter that its separating brake differs constantly; Therefore, can effectively distinguish fault trip circuit and planned outage circuit by the mistiming of alternative route both sides switch separating brake.
Above-mentioned steps 2) in the EMS system screening process of fault trip line information be: at first, the switching signal in the switch changed position signal is filtered out, keeps sub-gate signal; Secondly, circuit both sides factory station is corresponding switch mates to get up in pairs; Again, by the mistiming of alternative route both sides switch sub-gate signal, reject the switch sub-gate signal of planned stoppage in transit, the switch sub-gate signal of retention fault tripping operation; At last, the corresponding relation by switch and circuit draws the tripping operation line information, comprises tripping operation line name, trip time, tripping operation circuit both sides factory station name.
Above-mentioned EMS screening system goes out to trip behind the line information, to trip line name, trip time, tripping operation circuit both sides factory station name inserts lightning location system in real time, and lightning location system needs tripping operation line name that the EMS system transmissions is come and the line name in the lightning location system to carry out fuzzy matching before starting the real-time query task of tripping operation circuit thunder and lightning.
Above-mentioned fuzzy matching adopts name canonical matching method to carry out fuzzy matching.
Line name coupling in the above-mentioned relay protection information system realizes in the relay protection information system by above-mentioned Method of Fuzzy Matching.
The method of circuit name-matches is as follows between above-mentioned EMS system, relay protection information system and lightning location system:
Because the name of the circuit in EMS system, relay protection information system and the lightning location system is also not quite identical; therefore the problem that has circuit name-matches between different system; the method that solves the line name matching problem has two; the one, according to the unified circuit name of whole network equipment overall situation coding, the 2nd, the line name between different system is carried out fuzzy matching.
Above-mentioned steps 3) the automatic inquiry of tripping operation circuit thunderbolt and diagnostic method are as follows in:
31) the EMS system is according to circuit both sides switch changed positions (separating brake) signal, filter out the tripping operation circuit according to the mistiming, and the circuit relevant information that will trip delivered to lightning location system by web service interface;
32) lightning location system obtains tripping operation line fault ranging information to the relay protection information system request, and according to gps coordinate and fault localization result that distance measuring equipment place factory stands, extrapolates the corresponding shaft tower Serial Number Range of fault localization result;
33) lightning location system is inquired about the tripping operation circuit lightening activity situation of 2km buffer zone scope before and after the interior tripping operation moment completely automatically, by relatively be struck by lightning time and line tripping time, comparison lightning current and circuit around/counterattack lightning withstand level, relatively be struck by lightning position and overhead line structures gps coordinate, judge whether the thunderbolt shaft tower is in the corresponding shaft tower Serial Number Range of fault localization result, and comprehensive diagnos provides shaft tower section and the lightning current situation that the circuit that trips may be struck by lightning;
34) in conjunction with the ownership situation of tripping operation circuit, diagnostic result is inquired about in the thunderbolt of tripping operation circuit automatically be distributed to management and the O﹠M personnel of respective home unit automatically by SMS platform, the O﹠M personnel carry out trouble spot inspection work according to diagnostic result.
Above-mentioned steps 31) tripping operation circuit relevant information comprises tripping operation line name, trip time, two ends factory station name in.
Above-mentioned steps 32) in since influence fault localization as a result the factor of accuracy have a lot, there is bigger error in fault localization result under the individual cases, therefore take into full account error component when calculating the corresponding shaft tower Serial Number Range of fault localization result and amplify contrasting region as far as possible, error range is analyzed adjustment in conjunction with the trial run situation.
Above-mentioned steps 34) management and O﹠M personnel's note reception authority arranges by demand in, makes it receive only the thunderbolt diagnostic message of circuit that our unit has jurisdiction over.
The present invention's circuit thunderbolt implementation method of inquiry diagnosis and diagnostic result issue automatically that trips comprises between EMS system tripping operation line information screening technique, the different application systems that line name matching process, tripping operation circuit thunder and lightning inquire about diagnostic rule and dissemination method as a result automatically.The present invention can give full play to the information usefulness of infosystem, improves rapidity and the accuracy of lightning stroke trip localization of fault, can serve the safe operation of electrical network better.The present invention is based on the Real-Time Sharing data of energy management system, relay protection information system and lightning location system; be that a kind of effect is good; have tripping operation circuit be struck by lightning automatic inquiry, diagnosis and issuing function, the tripping operation circuit thunderbolt that can provide better services for electric power netting safe running is the implementation method of inquiry diagnosis and diagnostic result issue automatically.
Description of drawings:
Fig. 1 is canonical matching method process flow diagram of the present invention.
Embodiment:
The present invention trips, and the automatic inquiry of circuit thunderbolt is diagnosed and the implementation method of diagnostic result issue, when comprising the steps: the line fault tripping operation, but the displacement signal of line switching under the EMS system real time record utilizes the switch changed position signal to judge by logic and can filter out the tripping operation line information; Simultaneously, but the also fault localization result of tripping operation circuit under the real time record of relay protection information system.By exploitation lightning location system and EMS system; the real time data of relay protection information system is shared interface; tripping operation line information in the EMS system and the fault localization information in the relay protection information system are inserted lightning location system; add the real-time query task of tripping operation circuit thunder and lightning at lightning location system WEB server then; diagnosis draws shaft tower scope and the corresponding lightning parameter that lightning fault point may the place through ad hoc rules according to the real-time Query Result of thunder and lightning, and is sent to each related management personnel and O﹠M personnel by the SMS platform automatic diagnostic result of inquiring about of circuit thunderbolt that will trip.Gordian technique and its implementation are as follows:
(1) EMS system tripping operation line information screening
Switch changed position signal in the EMS system comprises switching signal and sub-gate signal, and sub-gate signal can't judge directly that the fault tripping operation still is planned stoppage in transit, therefore can't directly provide the tripping operation line information, need to obtain the tripping operation line information indirectly through the screening of certain logic rule.Wherein, the differentiation of fault tripping signal and planned stoppage in transit signal is the most key.Generally speaking, when the planned stoppage in transit of circuit or maintenance, homonymy line switching separating brake differs longer constantly, generally can reach several minutes, and disconnector separating brake information is arranged, and both sides line switching separating brake constantly also differs longer, generally also can reach several minutes; During the line fault tripping operation, the both sides line switching is the while separating brake almost, and it is shorter that its separating brake differs constantly, is generally tens of Milliseconds.Therefore, can effectively distinguish fault trip circuit and planned outage circuit by the mistiming of alternative route both sides switch separating brake.
The screening process of fault trip line information is in the EMS system: at first, the switching signal in the switch changed position signal is filtered out, keep sub-gate signal; Secondly, circuit both sides factory station is corresponding switch mates to get up in pairs; Again, by the mistiming of alternative route both sides switch sub-gate signal, reject the switch sub-gate signal of planned stoppage in transit, the switch sub-gate signal of retention fault tripping operation; At last, the corresponding relation by switch and circuit draws the tripping operation line information, comprises tripping operation line name, trip time, tripping operation circuit both sides factory station name.
(2) line name coupling
Because the name of the circuit in EMS system, relay protection information system and the lightning location system is also not quite identical, therefore there is the problem of circuit name-matches between different system.The method that solves the line name matching problem has two, and the one, according to the unified circuit name of whole network equipment overall situation coding, the 2nd, the line name between different system is carried out fuzzy matching.The first method standardization is strong, but the cycle of realizing is longer relatively; The advantage of second method is that performance period is shorter, but may have the situation that it fails to match.The present invention adopts second method in implementation procedure.
The EMS screening system goes out to trip behind the line information, to trip line name, trip time, tripping operation circuit both sides factory station name inserts lightning location system in real time, and lightning location system needs tripping operation line name that the EMS system transmissions is come and the line name in the lightning location system to carry out fuzzy matching before starting the real-time query task of tripping operation circuit thunder and lightning.The present invention adopts name canonical matching method to carry out fuzzy matching, as shown in Figure 1.
Line name coupling in the relay protection information system can realize in the relay protection information system by above-mentioned Method of Fuzzy Matching.
(3) tripping operation circuit thunder and lightning is inquired about diagnosis and result's issue automatically
The thunderbolt of tripping operation circuit inquires about automatically and diagnostic logic is:
At first, the EMS system is according to circuit both sides switch changed positions (separating brake) signal, filter out the tripping operation circuit according to the mistiming, and the circuit relevant information that will trip (comprising tripping operation line name, trip time, two ends factory station name) is delivered to lightning location system by web service interface.
Secondly; lightning location system obtains tripping operation line fault ranging information to the relay protection information system request; and according to gps coordinate (lightning location system is existing) and fault localization result that distance measuring equipment place factory stands, extrapolate the corresponding shaft tower Serial Number Range of fault localization result.Since influence fault localization as a result the factor of accuracy have a lot, there is bigger error in fault localization the possibility of result under the individual cases, therefore should take into full account error component when calculating the corresponding shaft tower Serial Number Range of fault localization result and amplify contrasting region as far as possible, error range can be analyzed adjustment in conjunction with the trial run situation.
Again, lightning location system is inquired about the lightening activity situation before and after the interior tripping operation constantly of 2km buffer zone scope completely of tripping operation circuit automatically, by relatively be struck by lightning time and line tripping time, comparison lightning current and circuit around/counterattack lightning withstand level, relatively be struck by lightning position and overhead line structures gps coordinate, judge whether the thunderbolt shaft tower is in the corresponding shaft tower Serial Number Range of fault localization result, and comprehensive diagnos provides shaft tower section and the lightning current situation that the circuit that trips may be struck by lightning.
At last, in conjunction with the ownership situation of tripping operation circuit, diagnostic result is inquired about in the thunderbolt of tripping operation circuit automatically be distributed to management and the O﹠M personnel of respective home unit automatically by SMS platform, the O﹠M personnel can carry out trouble spot inspection work according to diagnostic result.Wherein, management and O﹠M personnel's note receives authority and can arrange by demand, makes it receive only the thunderbolt diagnostic message of circuit that our unit has jurisdiction over.
In June, 2010, the south electric network lightning location system builds up and puts into operation, this system is by networking Real-Time Sharing south electric network five provinces and regions lightening detection resources, detection efficiency and the bearing accuracy of south electric network lightning monitoring have been promoted comprehensively, realized the high precision of ultra-high/extra-high voltage trunk electrical network is covered, solved transmission line lightning stroke fault inquiry and line walking guiding work preferably.
At the beginning of 2011, the problem of having found since putting into operation in conjunction with the south electric network lightning location system, Southern Power Grid Company has carried out the be struck by lightning work of improving of senior application functions such as automatic inquiry, diagnosis, issue of tripping operation circuit.
In Dec, 2011, after the senior application function of enforcement improved work, the circuit thunderbolt of tripping was inquired about automatically and is diagnosed and issuing function accomplished and application first at home as a result.Lightning location system successfully inserts the tripping operation line information of EMS system and the fault localization information of relay protection information system; realized that tripping operation circuit lightening activity is inquired about automatically, diagnosis and WEB real-time exhibition, and will trip the circuit thunderbolt automatically the inquiry diagnostic result be distributed to line management and the O﹠M personnel of relevant ownership unit automatically with the note form.
By in Dec, 2011, the south electric network lightning location system is issued the thunderbolt of tripping operation circuit automatically surplus the inquiry diagnostic message 200 time altogether, improves rapidity and the accuracy of lightning stroke trip localization of fault.
It is as shown in table 1 that the circuit that partly trips is inquired about diagnostic result note issue tabulation automatically.
Table 1 tripping operation circuit is inquired about diagnostic result note issue tabulation automatically
Claims (10)
1. the circuit thunderbolt implementation method that inquiry is diagnosed and diagnostic result is issued automatically that trips is characterized in that comprising the steps:
When 1) line fault tripped, the displacement signal of line switching under the EMS system real time record utilized the switch changed position signal to judge by logic and filters out the tripping operation line information; Simultaneously, the also fault localization result of tripping operation circuit under the real time record of relay protection information system;
2) share interface by the real time data of developing lightning location system and EMS system, relay protection information system, the tripping operation line information in the EMS system and the fault localization information in the relay protection information system are inserted lightning location system;
3) add the real-time query task of tripping operation circuit thunder and lightning at lightning location system WEB server then, according to the real-time Query Result of thunder and lightning through the thunderbolt of tripping operation circuit automatically inquiry and diagnostic method diagnosis draw shaft tower scope and the corresponding lightning parameter at lightning fault point place, and be sent to each related management personnel and O﹠M personnel by the SMS platform automatic diagnostic result of inquiring about of circuit thunderbolt that will trip.
2. the tripping operation circuit according to claim 1 thunderbolt implementation method of inquiry diagnosis and diagnostic result issue automatically is characterized in that above-mentioned steps 2) in EMS system tripping operation line information screening technique as follows:
Switch changed position signal in the EMS system comprises switching signal and sub-gate signal, and sub-gate signal can't judge directly that the fault tripping operation still is planned stoppage in transit, therefore can't directly provide the tripping operation line information, need to obtain the tripping operation line information indirectly through the screening of screening logic rules, wherein, the differentiation of fault tripping signal and planned stoppage in transit signal is the most key, when the planned stoppage in transit of circuit or maintenance, homonymy line switching separating brake differs longer constantly, and disconnector separating brake information is arranged, both sides line switching separating brake constantly also differs longer; During the line fault tripping operation, the both sides line switching is the while separating brake almost, and it is shorter that its separating brake differs constantly; Therefore, can effectively distinguish fault trip circuit and planned outage circuit by the mistiming of alternative route both sides switch separating brake.
3. the implementation method that diagnosis and diagnostic result are issued is inquired about in tripping operation circuit thunderbolt according to claim 1 automatically, it is characterized in that above-mentioned steps 2) in the EMS system screening process of fault trip line information be: at first, switching signal in the switch changed position signal is filtered out, keep sub-gate signal; Secondly, circuit both sides factory station is corresponding switch mates to get up in pairs; Again, by the mistiming of alternative route both sides switch sub-gate signal, reject the switch sub-gate signal of planned stoppage in transit, the switch sub-gate signal of retention fault tripping operation; At last, the corresponding relation by switch and circuit draws the tripping operation line information, comprises tripping operation line name, trip time, tripping operation circuit both sides factory station name.
4. the implementation method that diagnosis and diagnostic result are issued is inquired about in tripping operation circuit thunderbolt according to claim 1 automatically, it is characterized in that above-mentioned EMS screening system goes out to trip behind the line information, to trip line name, trip time, tripping operation circuit both sides factory station name inserts lightning location system in real time, and lightning location system needs tripping operation line name that the EMS system transmissions is come and the line name in the lightning location system to carry out fuzzy matching before starting the real-time query task of tripping operation circuit thunder and lightning.
5. tripping operation circuit according to claim 4 is struck by lightning, and inquiry is automatically diagnosed and the implementation method of diagnostic result issue, it is characterized in that above-mentioned fuzzy matching employing name canonical matching method carries out fuzzy matching.
6. the tripping operation circuit according to claim 5 thunderbolt implementation method of inquiry diagnosis and diagnostic result issue automatically is characterized in that the line name coupling in the above-mentioned relay protection information system realizes in the relay protection information system by above-mentioned Method of Fuzzy Matching.
7. the tripping operation circuit according to claim 6 thunderbolt implementation method of inquiry diagnosis and diagnostic result issue automatically is characterized in that the method for circuit name-matches between above-mentioned EMS system, relay protection information system and lightning location system is as follows:
Because the name of the circuit in EMS system, relay protection information system and the lightning location system is also not quite identical; therefore the problem that has circuit name-matches between different system; the method that solves the line name matching problem has two; the one, according to the unified circuit name of whole network equipment overall situation coding, the 2nd, the line name between different system is carried out fuzzy matching.
8. according to each described tripping operation circuit thunderbolt of claim 1 to 7 implementation method of inquiry diagnosis and diagnostic result issue automatically, it is characterized in that above-mentioned steps 3) in the thunderbolt of tripping operation circuit inquiry and diagnostic method are as follows automatically:
31) the EMS system is according to circuit both sides switch changed positions (separating brake) signal, filter out the tripping operation circuit according to the mistiming, and the circuit relevant information that will trip delivered to lightning location system by web service interface;
32) lightning location system obtains tripping operation line fault ranging information to the relay protection information system request, and according to gps coordinate and fault localization result that distance measuring equipment place factory stands, extrapolates the corresponding shaft tower Serial Number Range of fault localization result;
33) lightning location system is inquired about the tripping operation circuit lightening activity situation of 2km buffer zone scope before and after the interior tripping operation moment completely automatically, by relatively be struck by lightning time and line tripping time, comparison lightning current and circuit around/counterattack lightning withstand level, relatively be struck by lightning position and overhead line structures gps coordinate, judge whether the thunderbolt shaft tower is in the corresponding shaft tower Serial Number Range of fault localization result, and comprehensive diagnos provides shaft tower section and the lightning current situation that the circuit that trips may be struck by lightning;
34) in conjunction with the ownership situation of tripping operation circuit, diagnostic result is inquired about in the thunderbolt of tripping operation circuit automatically be distributed to management and the O﹠M personnel of respective home unit automatically by SMS platform, the O﹠M personnel carry out trouble spot inspection work according to diagnostic result.
9. the tripping operation circuit according to claim 8 thunderbolt implementation method of inquiry diagnosis and diagnostic result issue automatically is characterized in that above-mentioned steps 31) in tripping operation circuit relevant information comprise tripping operation line name, trip time, two ends factory station name.
10. the implementation method that diagnosis and diagnostic result are issued is inquired about in tripping operation circuit thunderbolt according to claim 8 automatically, it is characterized in that above-mentioned steps 32) in since influence fault localization as a result the factor of accuracy have a lot, there is bigger error in fault localization result under the individual cases, therefore take into full account error component when calculating the corresponding shaft tower Serial Number Range of fault localization result and amplify contrasting region as far as possible, error range is analyzed adjustment in conjunction with the trial run situation; Above-mentioned steps 34) management and O﹠M personnel's note reception authority arranges by demand in, makes it receive only the thunderbolt diagnostic message of circuit that our unit has jurisdiction over.
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