CN103326467A - Protection action report implementation method based on information protection main station device recorded information - Google Patents

Protection action report implementation method based on information protection main station device recorded information Download PDF

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Publication number
CN103326467A
CN103326467A CN201310214414XA CN201310214414A CN103326467A CN 103326467 A CN103326467 A CN 103326467A CN 201310214414X A CN201310214414X A CN 201310214414XA CN 201310214414 A CN201310214414 A CN 201310214414A CN 103326467 A CN103326467 A CN 103326467A
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China
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action
protection
switch
information
fault
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CN201310214414XA
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CN103326467B (en
Inventor
周红阳
刘之尧
余江
陈宏山
高宏汇
张园
徐鹏
郑茂然
俞俊
胡超
陈章国
周波
张伟
周建星
黄寅
朱维超
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China Southern Power Grid Co Ltd
Nanjing NARI Group Corp
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China Southern Power Grid Co Ltd
Nanjing NARI Group Corp
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Priority to CN201310214414.XA priority Critical patent/CN103326467B/en
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Abstract

The invention discloses a method for automatically generating a protection action report based on information protection main station device recorded information. Ordering is carried out for data sources needed by the protection action report; analysis is carried out on data; based on the analysis result, current power grid maintaining information and communication maintaining information are combined, normal action information of a relay protection device is removed, and protection action report information is output; finally, automatic checking is carried out on the protection action report generated automatically and a protection action report of a lower-level unit report, and data errors are displayed in a warning mode. According to the method, data quick collecting and ordering needed by protection action analysis can be achieved, working amount of data collecting and processing by protection professionals can be reduced, working efficiency is improved, fault parameter information is automatically extracted from the information protection main station device recorded information collected in real time, decision support is provided for fault judging, and the potential risk of inaccurate data caused by the fact that a current relay protection action report relies on a lower-level unit to report data is removed.

Description

A kind of protection action report implementation method based on Prudential Master device record ripple information
 
Technical field
The present invention relates to the protection action report analytical method in a kind of electric power system; and specifically; relate to a kind of method that adopts Prudential Master device record ripple information that the necessary recorder data of automatic generation protection action report is analyzed, and adopt this analytical method to realize the method that the protection action report generates automatically.
Background technology
Along with fast development of national economy, also entered the period of a develop rapidly as the power industry on other industry energy source and power basis.Generate output constantly increases, and the electrical network scale constantly enlarges, and regional power grid contact each other is more and more tightr, and the degree that influences each other is also more and more deepened.The enhancing of networking degree, can promote on the one hand standby mutually between subsystem, can not correctly dispose when certain fault in certain subsystem if also make on the other hand, chain reaction may appear, make the influence surface of accident enlarge, cause the unnecessary loss of outage of other system that interconnects.Science and technology development and management development are for the safe and reliable operation of modern power network provides powerful guarantee.But because electric power system is a very complicated system, the factor that influences its safe and stable operation is numerous, and the accident of stopping fully is impossible.If accident such as short circuit or broken string occurs on the bigger superhigh pressure of transmission line capability or the extra high voltage line or in the core load-center substation, the transmission capacity of faulty line or transformer station is more big, then the impact for system stability is more big, needs the self-healing ability of system itself more strong.
Protective relaying device can be identified fault element fast and accurately; rapidly itself and system are isolated, the management and running personnel can carry out accident treatment fast according to actual conditions, arrange maintenance fast; restoring electricity fast, is the importance that improves the system stable operation level.The dispatcher may make local problem's extension of electrical network to the judgement decision-making error of system situation when system broke down, and then influenced the operation of whole big electrical network.The generation of big power outage several times all is with the decision-making that local minor issue is handled or makes a strategic decision slow relevant in the world.Under accident conditions, dispatcher's high-pressure, by artificial at any time correct, fast judge the operation conditions of electrical network, determine fault element and make correct selection in the very first time in accident fast, be an acid test to the dispatcher.Operation practice in the past shows that not by other means, only depend on the reinforcement peopleware, some is saddled with a difficult task really.For this reason, develop and serve the protection resultant fault analytical system that the operation of power networks personnel make a strategic decision and judge, very necessary.
Protection specialty at present protects the required data of motion analysis report by scheduling mechanism according to type information or action abridged table hand filling that operation maintenance unit provides, analyze in the typing working set and amount big.And protection statistical work precipitability is stronger; be difficult to later go to remedy for some information of in time not collecting; along with the performance index that constantly propose in recent years; present statistical analysis work has been difficult to be competent at; thereby press for a kind of protection action report automatic analysis method; further standardize information content and the statistical indicator of reporting and submitting improves efficient and the promptness of statistical analysis, provides service so that can be better for operating analysis and the design of electrical network.
Summary of the invention
The present invention is directed to the existing deficiency that protection action report method exists that generates, a kind of method that generates the protection action report based on Prudential Master device record ripple information automatically is provided.The object of the present invention is to provide a kind of based on the Prudential Master device record more ripple information generate automatically the protection action report method, parsing and faulty line or device-dependent various protective device action behavior, analysis of failure evolution, circuit breaker action situation etc.System shows all relaying protection movement device record ripple figures; the function in the manual or automatic initial moment of fault location is provided; and starting point output protection action situation form accordingly; each protective device sequence of movement, each operate time of protection, circuit breaker action (disconnecting or closure) time in the report failure process, and can select phase, fault localization result etc. according to protection message analysis fault.Reduce protection professional's analysis of failure time, for the analysis of protection fault comprehensive provides support manually.
In order to reach above purpose, in the technical scheme of the present invention, at first carry out regular at the needed data source of protection action report.Secondly each data is analyzed, analyzed information such as separate, fault localization of the initial moment of each plant failure, trouble duration, faulty equipment, fault.Based on above-mentioned analysis result, in conjunction with current electrical network maintenance information and communication maintenance information, remove protective relaying device regular event information, output protection action report information again.At last, the protection action report of automatic generation and the protection action report of subordinate unit's report are checked automatically, the data error is alarmed demonstration.Thereby realize the generation of protection action report, and further improve the reliability of data.
A kind of protection action report implementation method based on Prudential Master device record ripple information is characterized in that, may further comprise the steps:
1) by program timing scanning or manual triggers from EMS EMS(Energy management system) obtain the SOE data;
2) by sequence of events recording SOE(Sequence Of Event) signal obtains step switch and main protection, and obtains the protection action event from the system of notifying;
3) be that search condition is searched record ripple (record ripple time started and SOE time error allowed in 2 minutes) from protecting in the communication system with the said equipment;
4) from the tables of data of CT allocation plan administration module factory's station name and switch title are mated, obtain the CT no-load voltage ratio value of primary equipment title and CT element;
5) obtain protection action event that factory stands in this time period in the communication system as being the analysis source from protecting, the action event time of its switch and main protection sorted, the event time of action at first as the fault time of protecting;
6) extract action element from record ripple file, in conjunction with effective switch passage allocation list, the switch channel datas all the recorder data file mate with the action element in the allocation list, and judge passage saltus step situation; The action element that satisfies condition is recorded to action element action detail list; In the recorder data file, find action all switch channel datas in the detail list, it is moment of zero that the moment that each passage is begun saltus step deducts lateral coordinates, obtains the operate time of switch passage;
7) the switch passage from recorder data magnanimity extracts A phase, B phase and C channel data mutually, and judges the channel data situation of change at this three-phase of the time period of wave-recording sampling, and separate with this failure judgement;
8) obtain fault current first and second value: get before the fault or the actual value of first cycle, obtain two sub-values by the Fu Shi algorithm, obtain a sub-value with secondary is on duty with CT no-load voltage ratio value;
9) according to the judgment rule of fault type, the failure judgement type is mainly judged single wink and single fault forever;
10) comprehensive above steps result generates the relaying protection action report.
Wherein step 1) comprises:
Obtain the SOE record by program timing scanning (scanning one hour till now) or manual triggers by the webservice data-interface that calls the EMS encapsulation, overhaul information such as single information, communication maintenance list, fail operation list in conjunction with the defeated generating equipment that becomes, remove daily operate as normal to the influence of native system.The SOE data list that gets access to will comprise action factory station, action equipment, action equipment state and time information, and the time is accurate to millisecond.
Step 2 wherein) comprising:
Extract factory's station identifications, electric pressure, switch title and the switch branch wire time of tube apparatus that our unit transfers in the SOE information as the calling condition, obtain this factory in the communication system to stand in this time period be that protection action event in the operate time of the front and back 2 minutes is as the analysis source from protecting; Qualified switch, the action event that main protection is relevant are created record in the detailed middle table of action, wherein the switch of Chong Fuing and main protection only keep one, upgrade factory's station name, fault time, electric pressure, protection type information; To be saved in the detailed middle table of action in the protection title that gets access in the action event (main protection and circuit breaker) tabulation simultaneously.
Wherein step 3) comprises:
Be condition with factory's station identifications, protection title, protection model and the SOE time of action in the detailed middle table; in guarantor's communication system, search switch and main protection and whether have record ripple (record ripple time started and SOE time error allowed in 2 minutes); if there is the recorder data file, then in the detailed middle table of action, record the recorder data file identification of this main protection or switch correspondence.
Wherein step 4) comprises:
Factory's station name, electric pressure and the switch name of coming out with the SOE information extraction are called basic data source, from the tables of data of CT allocation plan administration module factory's station name and switch title are carried out the CT no-load voltage ratio value that primary equipment title and CT element are obtained in fuzzy matching;
The information that switch in the CT allocation plan, primary equipment and CT element are relevant all is to store with the data of single object, as the primary equipment title and in two-dimensional coordinate X, Y value, the switch title reaches in two-dimensional coordinate X, Y value, and CT element title, CT value, PT value etc. reach in two-dimensional coordinate X, Y value; In two-dimensional space, arrive the primary equipment title according to two switch name lookups.
Wherein step 5) comprises:
1) calculates the preceding electric current of fault, get 50% of effective value;
2) get 10% (getting the value in the CT no-load voltage ratio) of rated current;
3) both are big as threshold value with above, when being worth less than this, think zero;
4) continuing the 20ms electric current is that the zero electric current that is judged as finishes;
5) the electric current concluding time subtracts the fault time started and obtains trouble duration.
Wherein step 6) comprises:
1) extracts action element, function classification from Prudential Master failure wave-recording file
At first obtain switch and the main protection record that has record ripple file from moving detailed middle table, from then on the record ripple file identification of partial record obtains the recorder data file then; There is the switch channel data of magnanimity in each recorder data file, this step is in conjunction with effective switch passage allocation list, the switch channel datas all the recorder data file carry out fuzzy matching with the action element in the allocation list, judge simultaneously whether this passage saltus step takes place, if there is saltus step then to create record in the action detail list, and the function classifying, updating in protection title, protection model and the allocation list in the detailed middle table of action is in the action detail list of firm establishment;
2) obtain operate time of action element
In the recorder data file, find action all switch channel datas in the detail list, it is moment of zero that the moment that each passage is begun saltus step deducts lateral coordinates, obtains the operate time of switch passage, that is:
The operate time=(it is the zero moment that the switch passage begins jumping moment-lateral coordinates)/1000.
Wherein step 7) comprises:
Extract action element, the function assorting process from record ripple file, extract A phase, B phase and C channel data mutually from the switch passage of magnanimity, and judge whether the channel data at this three-phase of the time period of wave-recording sampling has the generation saltus step, if A phase switch passage has the then separate A of being of fault of saltus step, if B phase switch passage has the then separate B of being of fault of saltus step, if C phase switch passage has the then separate C of being of fault of saltus step, by that analogy; The fault that calculates is separate to be counted in the protection action detail list.
Wherein step 8) comprises:
1) gets before the fault or the actual value of first cycle, obtain two sub-values by the Fu Shi algorithm;
2) obtain a sub-value with secondary is on duty with CT no-load voltage ratio value.
Wherein the judgment rule of the fault type in the step 9) is as follows:
Single wink: during device fails, action event takes place earlier in the main protection in the protective device, and the action event of switch took place in the extremely short time, and the fault type of this kind situation is single wink;
Dan Yong: during device fails, action event takes place earlier in the main protection in the protective device, and the action event of switch took place in the extremely short time, and the action event of main protection takes place again after the switch motion this moment event, and the fault type of this kind situation is Dan Yong;
Extract factory's station identifications, electric pressure, switch title and the switch branch wire time of the tube apparatus of transferring in the SOE information as the calling condition; from protect obtain in the communication system this factory stand in this time period be before and after operate time the protection action event in 2 minutes as the analysis source; the action event time to its switch and main protection sorts, and determines this fault type according to the judgment rule of fault type then.
The beneficial effect that the present invention reaches:
Of the present inventionly generate the method for protection action report, parsing and faulty line or device-dependent various protective device action behavior, analysis of failure evolution, circuit breaker action situation etc. automatically based on Prudential Master device record ripple information.System shows all relaying protection movement device record ripple figures; the function in the manual or automatic initial moment of fault location is provided; and starting point output protection action situation form accordingly; each protective device sequence of movement, each operate time of protection, circuit breaker action (disconnecting or closure) time in the report failure process, and can select phase, fault localization result according to protection message analysis fault.This method can realize protecting the collection and regular fast of the needed data of motion analysis on the one hand, reduces the workload that protection professional data are collected and handled, and increases work efficiency; Can realize automatically on the other hand from the Prudential Master device record ripple information of real-time collection, extracting fault parameter information; judging for fault provides decision support, eliminates simultaneously that present relaying protection action report relies on subordinate unit's reported data and the inaccurate potential risk of data brought.
Description of drawings
The following drawings is the aid illustration to exemplary embodiment of the present, to the elaboration of the embodiment of the invention, be to disclose feature of the present invention place for further, but do not limit the present invention in conjunction with the following drawings, same numeral represents respective element or step among the embodiment among the figure, wherein:
Fig. 1 generates protection action report method schematic diagram for the present invention is based on the Prudential Master failure wave-recording;
Fig. 2 generates the needed SOE information of protection action report example sectional drawing for the present invention;
Fig. 3 generates the needed action event information of protection action report example for the present invention;
Fig. 4 generates the needed action managing detailed catalogue of protection action report example for the present invention;
Fig. 5 generates the needed failure wave-recording file of protection action report example for the present invention;
Fig. 6 generates the needed CT allocation plan of protection action report example for the present invention;
Fig. 7 generates the needed failure wave-recording figure of protection action report example for the present invention;
Fig. 8 generates the needed effective switch passage allocation list example sectional drawing of protection action report for the present invention;
Fig. 9 moves detailed example for the present invention generates protection action report needed protection;
Figure 10 generates protection action report needed operate time of computation paradigm for the present invention;
Figure 11 generates the needed protection action of protection action report detail list example for the present invention;
The relaying protection action report that Figure 12 generates for the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is further described.Preferred embodiment of method of the present invention may further comprise the steps, as shown in Figure 1:
1. obtain the SOE data by program timing scanning or manual triggers from EMS (Energy management system:EMS).
2. obtain step switch and main protection and obtain the protection action event from the system of notifying by sequence of events recording (Sequence Of Event:SOE) signal.
3. be that search condition is searched record ripple (record ripple time started and SOE time error allowed in 2 minutes) from protecting in the communication system with the said equipment.
4. from the tables of data of CT allocation plan administration module factory's station name and switch title are mated, obtain the CT no-load voltage ratio value of primary equipment title and CT element.
5. obtain protection action event that factory stands in this time period in the communication system as being the analysis source from protecting, the action event time of its switch and main protection sorted, the event time of action at first as the fault time of protecting.
6. extract action element from record ripple file, in conjunction with effective switch passage allocation list, the switch channel datas all the recorder data file mate with the action element in the allocation list, and judge passage saltus step situation.The action element that satisfies condition is recorded to action element action detail list.In the recorder data file, find action all switch channel datas in the detail list, it is moment of zero that the moment that each passage is begun saltus step deducts lateral coordinates, obtains the operate time of switch passage.
7. the switch passage from recorder data magnanimity extracts A phase, B phase and C channel data mutually, and judges the channel data situation of change at this three-phase of the time period of wave-recording sampling, and separate with this failure judgement.
8. obtain fault current first and second value, get before the fault or the actual value of first cycle, obtain two sub-values by the Fu Shi algorithm, obtain a sub-value with secondary is on duty in the CT no-load voltage ratio.
9. according to the judgment rule of fault type, the failure judgement type is mainly judged single wink and single fault forever.
10. comprehensive above steps result generates the relaying protection action report.
Below the embodiment key step described for Fig. 1 be elaborated.
Obtain SOE switch divide-shut brake information by the EMS interface
Obtain the SOE record by program timing scanning (scanning one hour till now) or manual triggers by the webservice data-interface that calls the EMS encapsulation.Overhaul information such as single information, communication maintenance list, fail operation list in conjunction with the defeated generating equipment that becomes, remove daily operate as normal to some of native system.The SOE data list that gets access to as shown in Figure 2.Mainly comprise action factory station, action equipment, action equipment state and time information, the time is accurate to millisecond.
Obtain and protect communication system switch and main protection action event
Extract factory's station identifications, electric pressure, switch title and the switch branch wire time of tube apparatus that our unit transfers in the SOE information as the calling condition, obtain this factory in the communication system and stand in the protection action event of this time period (operate time front and back 2 minutes in) as the analysis source from protecting.Qualified switch, the action event that main protection is relevant are created record (switch of repetition and main protection only keep) in the detailed middle table of action, upgrade factory's station name, information such as fault time, electric pressure, protection model.To be saved in the detailed middle table of action in the protection title that gets access in the action event (main protection and circuit breaker) tabulation simultaneously.The action event tabulation of Fig. 3 for getting access to from the Prudential Master system according to SOE information.Fig. 4 is qualified action event transition table, the interim result that the accumulation phase I handles.
Obtain Prudential Master failure wave-recording file
Be condition with factory's station identifications, protection title, protection model and the SOE time of action in the detailed middle table; in guarantor's communication system, search switch and main protection and whether have record ripple (record ripple time started and SOE time error allowed in 2 minutes); if there is the recorder data file, then in the detailed middle table of action, record the record ripple file identification of this main protection or switch correspondence.The Prudential Master fault recorder data of Fig. 5 for obtaining according to the action managing detailed catalogue among Fig. 4.
Obtain faulty equipment and CT value
Factory's station name, electric pressure and the switch name of coming out with SOE information extraction among Fig. 2 are called basic data source, from the tables of data of CT allocation plan administration module factory's station name and switch title are carried out the CT no-load voltage ratio value that primary equipment title and CT element are obtained in fuzzy matching;
Major part safeguards that the head of the unit draws the CT allocation plan at factory of unit one belongs to station in system at present, the information that switch in this CT allocation plan, primary equipment and CT element are relevant all is to store with the data of single object, as the primary equipment title and in two-dimensional coordinate X, Y value, the switch title reaches in two-dimensional coordinate X, Y value, and CT element title, CT value, PT value etc. reach in two-dimensional coordinate X, Y value; In two-dimensional space, arrive the primary equipment title according to two switch name lookups so.Fig. 6 is common CT allocation plan information.
Obtain fault time
1) calculates the preceding electric current (red line previous section) of fault, get 50% of effective value;
2) get 10% of rated current; (getting the value in the CT no-load voltage ratio)
3) both are big as threshold value with above, when being worth less than this, think zero;
4) continuing the 20ms electric current is that the zero electric current that just can be judged as finishes;
5) the electric current concluding time subtracts the fault time started and obtains trouble duration.
Extract action element, function classification and operate time according to allocation list
1) extracts action element, function classification from Prudential Master failure wave-recording file
At first obtain switch and the main protection record that has record ripple file from the detailed middle table of action shown in Figure 4, from then on the record ripple file identification of partial record obtains the recorder data file then; There is the switch channel data of magnanimity in each recorder data file, the failure wave-recording oscillogram as shown in Figure 7, this step is in conjunction with effective switch passage allocation list, follow all switch channel datas of recorder data file the action element of allocation list (shown in Figure 8) lining to carry out fuzzy matching, judge simultaneously whether this passage saltus step takes place, if have saltus step then in action detail list (shown in Figure 9), to create record, and the function classifying, updating in protection title, protection model and the allocation list in the detailed middle table of action is in the action detail list of firm establishment;
2) obtain operate time of action element
In the recorder data file, find action all switch channel datas in the detail list, it is moment of zero that the moment that each passage is begun saltus step deducts lateral coordinates, obtains the operate time of switch passage.That is:
The operate time=(it is the zero moment that the switch passage begins jumping moment-lateral coordinates)/1000.As shown in figure 10, left side article one dotted line represents T0 constantly, i.e. in the initial moment of fault, the second dotted line represents the T1 time, i.e. fault finish time.T1-T0 is duration.Count the operate time that calculates in the protection action detail list shown in Figure 11.
It is separate to obtain fault
Extract action element, the function assorting process from record ripple file in one step of S106, extract A phase, B phase and C channel data mutually from the switch passage of magnanimity, and judge whether the channel data at this three-phase of the time period of wave-recording sampling has the generation saltus step, if A phase switch passage has the then separate A of being of fault of saltus step, if B phase switch passage has the then separate B of being of fault of saltus step, if C phase switch passage has the then separate C of being of fault of saltus step, by that analogy; The fault that calculates is separate to be counted in the protection action detail list shown in Figure 11.
Obtain fault current first and second value
1) gets before the fault or the actual value of first cycle, obtain two sub-values by the Fu Shi algorithm.
2) obtain a sub-value with secondary is on duty in the CT no-load voltage ratio.
Obtain fault type
The judgment rule of fault type is as follows:
Single wink: during device fails, action event takes place earlier in the main protection in the protective device, and the action event of switch took place in the extremely short time, and the fault type of this kind situation is single wink;
Dan Yong: during device fails, action event takes place earlier in the main protection in the protective device, and the action event of switch took place in the extremely short time, and the action event of main protection takes place again after the switch motion this moment event, and the fault type of this kind situation is Dan Yong;
Extract factory's station identifications, electric pressure, switch title and the switch branch wire time of the tube apparatus of transferring in the SOE information as the calling condition, obtain this factory in the communication system and stand in the protection action event of this time period (before and after operate time in 2 minutes) as the analysis source from protecting, the action event time to its switch and main protection sorts, and determines this fault type according to the judgment rule of fault type then;
Above-described embodiment is just in order to disclose the present invention better, and the present invention do not produced restriction.Any modifications and variations of making based on the present invention all belong under enforcement of the present invention and spirit contains.

Claims (10)

1. the protection action report implementation method based on Prudential Master device record ripple information is characterized in that, may further comprise the steps:
1) obtains the SOE data by program timing scanning or manual triggers from EMS EMS;
2) obtain step switch and main protection by sequence of events recording SOE signal, and obtain the protection action event from the system of notifying;
3) be that search condition is searched the record ripple from protecting in the communication system with the said equipment (step switch that obtains in the step 2 or main protection);
4) from the tables of data of CT allocation plan administration module factory's station name and switch title are mated, obtain the CT no-load voltage ratio value of primary equipment title and CT element;
5) obtain protection action event that factory stands in this time period in the communication system as being the analysis source from protecting, the action event time of its switch and main protection sorted, the event time of action at first as the fault time of protecting;
6) extract action element from the recorder data file, in conjunction with effective switch passage allocation list, the switch channel datas all the recorder data file mate with the action element in the allocation list, and judge passage saltus step situation; The action element that satisfies condition is recorded to action element action detail list; In the recorder data file, find action all switch channel datas in the detail list, it is moment of zero that the moment that each passage is begun saltus step deducts lateral coordinates, obtains the operate time of switch passage;
7) the switch passage from recorder data magnanimity extracts A phase, B phase and C channel data mutually, and judges the channel data situation of change at this three-phase of the time period of wave-recording sampling, and separate with this failure judgement;
8) obtain fault current first and second value: get before the fault or the actual value of first cycle, obtain two sub-values by the Fu Shi algorithm, obtain a sub-value with secondary is on duty with CT no-load voltage ratio value;
9) according to the judgment rule of fault type, the failure judgement type is mainly judged single wink and single fault forever;
10) comprehensive above steps result generates the relaying protection action report.
2. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 1) comprises:
Obtain the SOE record by program timing scanning or manual triggers by the webservice data-interface that calls the EMS encapsulation, overhaul single information, single, the fail operation list information of communication maintenance in conjunction with the defeated generating equipment that becomes; The SOE data list that gets access to comprises action factory station, action equipment, action equipment state and time information, and the time is accurate to millisecond.
3. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that, wherein step 2) comprising:
Extract factory's station identifications, electric pressure, switch title and the switch branch wire time of tube apparatus that our unit transfers in the SOE information as the calling condition, obtain this factory in the communication system to stand in this time period be that protection action event in the operate time of the front and back 2 minutes is as the analysis source from protecting; Qualified switch, the action event that main protection is relevant are created record in the detailed middle table of action, wherein the switch of Chong Fuing and main protection only keep one, upgrade factory's station name, fault time, electric pressure, protection type information; To be saved in the detailed middle table of action in the protection name list that gets access in the action event simultaneously.
4. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 3) comprises:
Be condition with factory's station identifications, protection title, protection model and the SOE time of action in the detailed middle table; search switch in the communication system and whether main protection exists the record ripple protecting; if there is the recorder data file, then in the detailed middle table of action, record the recorder data file identification of this main protection or switch correspondence.
5. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 4) comprises:
Factory's station name, electric pressure and the switch name of coming out with the SOE information extraction are called basic data source, from the tables of data of CT allocation plan administration module factory's station name and switch title are carried out the CT no-load voltage ratio value that primary equipment title and CT element are obtained in fuzzy matching;
The information that switch in the CT allocation plan, primary equipment and CT element are relevant all is to store with the data of single object, arrives the primary equipment title according to two switch name lookups in two-dimensional space.
6. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 5) comprises:
1) calculates the preceding electric current of fault, get 50% of effective value;
2) get 10% of rated current;
3) both are big as threshold value with above, when being worth less than this, think zero;
4) continuing the 20ms electric current is that the zero electric current that is judged as finishes;
5) the electric current concluding time subtracts the fault time started and obtains trouble duration.
7. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 6) comprises:
1) extracts action element, function classification from Prudential Master failure wave-recording file
At first obtain switch and the main protection record that has record ripple file from moving detailed middle table, from then on the record ripple file identification of partial record obtains the recorder data file then; There is the switch channel data of magnanimity in each recorder data file, this step is in conjunction with effective switch passage allocation list, the switch channel datas all the recorder data file carry out fuzzy matching with the action element in the allocation list, judge simultaneously whether this passage saltus step takes place, if there is saltus step then to create record in the action detail list, and the function classifying, updating in protection title, protection model and the allocation list in the detailed middle table of action is in the action detail list of firm establishment;
2) obtain operate time of action element
In the recorder data file, find action all switch channel datas in the detail list, it is moment of zero that the moment that each passage is begun saltus step deducts lateral coordinates, obtains the operate time of switch passage, that is:
The operate time=(it is the zero moment that the switch passage begins jumping moment-lateral coordinates)/1000.
8. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 7) comprises:
Extract action element, the function assorting process from record ripple file, extract A phase, B phase and C channel data mutually from the switch passage of magnanimity, and judge whether the channel data at this three-phase of the time period of wave-recording sampling has the generation saltus step, if A phase switch passage has the then separate A of being of fault of saltus step, if B phase switch passage has the then separate B of being of fault of saltus step, if C phase switch passage has the then separate C of being of fault of saltus step, by that analogy; The fault that calculates is separate to be counted in the protection action detail list.
9. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein step 8) comprises:
1) gets before the fault or the actual value of first cycle, obtain two sub-values by the Fu Shi algorithm;
2) obtain a sub-value with secondary is on duty with CT no-load voltage ratio value.
10. the protection action report implementation method based on Prudential Master device record ripple information according to claim 1 is characterized in that wherein the judgment rule of the fault type in the step 9) is as follows:
Single wink: during device fails, action event takes place earlier in the main protection in the protective device, and the action event of switch took place in the extremely short time, and the fault type of this kind situation is single wink;
Dan Yong: during device fails, action event takes place earlier in the main protection in the protective device, and the action event of switch took place in the extremely short time, and the action event of main protection takes place again after the switch motion this moment event, and the fault type of this kind situation is Dan Yong;
Extract factory's station identifications, electric pressure, switch title and the switch branch wire time of the tube apparatus of transferring in the SOE information as the calling condition; from protect obtain in the communication system this factory stand in this time period be before and after operate time the protection action event in 2 minutes as the analysis source; the action event time to its switch and main protection sorts, and determines this fault type according to the judgment rule of fault type then.
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CN105510819A (en) * 2016-01-04 2016-04-20 江苏省电力公司电力科学研究院 Breaker health status assessment system and method based on fault recording analysis
CN105868287A (en) * 2016-03-23 2016-08-17 南京南瑞集团公司 Multisource data-based WAMS application system data integration method
CN109145166A (en) * 2017-06-13 2019-01-04 贵州电网有限责任公司 A kind of fault data fusion method based on fault message identification
CN108011684A (en) * 2017-11-23 2018-05-08 珠海许继电气有限公司 A kind of distributing synchronization failure wave-recording method based on short-range communication
CN108761313A (en) * 2018-06-15 2018-11-06 国网江苏省电力有限公司电力科学研究院 Extra-high voltage direct-current protective device test method and system based on failure inverting
CN109698553A (en) * 2018-12-29 2019-04-30 中国南方电网有限责任公司 A method of optimizing transmission mechanism suitable for wave-record chart under emergency environmental
CN110266516A (en) * 2019-05-20 2019-09-20 国网山东省电力公司临沂供电公司 EMS system network channel statistics and troubleshooting tools
CN110189038A (en) * 2019-06-03 2019-08-30 广东电网有限责任公司 A kind of power grid risk analysis method, system, computer installation and storage medium
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