CN108847968A - Monitoring accident, anomalous event identification and multidimensional analysis method - Google Patents
Monitoring accident, anomalous event identification and multidimensional analysis method Download PDFInfo
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- CN108847968A CN108847968A CN201810565961.5A CN201810565961A CN108847968A CN 108847968 A CN108847968 A CN 108847968A CN 201810565961 A CN201810565961 A CN 201810565961A CN 108847968 A CN108847968 A CN 108847968A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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Abstract
Monitoring accident, anomalous event identification and multidimensional analysis method, are related to a kind of analysis method.With going from strength to strength for power grid construction, power equipment increases, and can not achieve failure, abnormal accurate, quick analysis.The present invention includes the following steps：1）Establish failure, exception rules library；2) labeling is analyzed；3）Event of failure identification；4）Anomalous event identification.The technical program establishes intelligent review mechanism by monitoring alarm information, according to information such as alarm grade, policer operation information, maintenance, utilize data tag technology, it is automatically tagged to daily information, extract effective warning information, combination failure, exception information rule base, the corresponding failure of identification information, exception information from mass data, remaining information push manual review is subjected to special analysis simultaneously, effectively improves efficiency and accuracy.
Description
Technical field
The present invention relates to a kind of analysis methods, more particularly to monitoring accident, anomalous event identification and multidimensional analysis method.
Background technique
With going from strength to strength for power grid construction, power equipment increases, and monitoring profession is faced with huge warning information amount,
Lack the technical support to monitoring information complete specifications management while carrying out device real-time monitoring, lacks and monitoring device is transported
The statistical analysis and intelligent decision of row state lack to event of failure, anomalous event, the identification mechanism of defect event and analysis side
Method.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
Monitoring accident, anomalous event identification and multidimensional analysis method are provided, to realize failure, abnormal purpose that is accurate, quickly analyzing.
For this purpose, the present invention takes following technical scheme.
Monitoring accident, anomalous event identification and multidimensional analysis method, include the following steps：
1）Establish failure, exception rules library；Work out the monitoring information alarm regulation library of substation equipment typical fault exception；Alarm
Rule base operation rule, including：
101）According to alarm regulation library, using substation as unit, first failure after extremely for judgment principle；
102）Equipment fault in addition to equipment operation maintenance outgoing make trouble therefore and switch changed position grade alarm information, utilize monitoring letter
Breath alarm regulation library judged, on the basis of being alerted by first switch changed position, first T1 minutes to rear T2 minutes of accident, different
Often, as data source, the exception level warning information for during which acting involution again alerts displacement grade alarm information as association；
103）Based on distinct device type typical fault, classify to alarm；
104）Female poor, main transformer differential gas, failure, main transformer standby, route protection, reclosing, prepared auto restart, safety are pressed in equipment fault
The judgement of automatic device sequence of movement；
105）Unit exception utilizes change using the same substation T3 minutes exception level warning information for taking window mark as data source
The typical abnormal monitoring information alarm regulation library of power station equipment is judged, is classified extremely by primary, secondary device；
2) labeling is analyzed
Daily warning information is sorted out according to action reason, establishes label scheme, is believed by rule invalid signals, interference
It number is excluded, standardized nature label is added to useful signal, be according to identification of defective, exception with failure, exception rules library
Event, label include defective labels, invalid tag, upper window label, retired label, suspicious label, standby channel benefit label and markers
Label, maintenance label, association label, operation label, debugging label, secondary work tap, taking place frequently judges label；
3）Event of failure identification
Filtered useful signal is analyzed based on labeling, while being associated with dispatching log, monitoring log progress event correlation, finally
Realize the accuracy of event of failure；
4）Anomalous event identification
Filtered useful signal is analyzed based on labeling, the exception class signal of window, only takes action signal in inquiry, does not include event
Exception class signal caused by barrier, operation, association, defect；
Using the same substation T4 minutes exception level warning information for taking window mark as data source, substation equipment typical case is utilized
Abnormal monitoring information alarm regulation library is judged, is classified extremely by primary, secondary device, and log history is sent out extremely
Raw quantity.
The technical program establishes intelligent review mechanism by monitoring alarm information, according to alarm grade, policer operation information,
The information such as maintenance, it is automatically tagged to daily information using data tag technology, effective warning information is extracted, in conjunction with event
Barrier, exception information rule base, the corresponding failure of identification information, exception information from mass data, while remaining information being pushed away
It send manual review to carry out special analysis, effectively improves efficiency and accuracy.
As optimization technique means：In step 3）In, event of failure identification includes the following steps：
301）Disconnecting link position in the interval at moment occurs for window protection signal in inquiry, when all disconnecting link positions are in quartile, then sentences
Breaking causes for interval debugging, is not considered as to judge in next step for failure if still there is disconnecting link to be in coincidence；
302）On the basis of protecting time of origin, with the presence or absence of same in the remote signalling warning information in inquiry first 1 minute to latter 5 minutes
The switch quartile signal and interval accident resultant signal at interval are not considered as such as without switch quartile signal or accident resultant signal as failure；
If quartile signal is caused by maintenance, operation, remote control, error signal, it is not considered as failure；
303）On the basis of protecting time of origin, whether active, the voltage inquired in interval in the recent period are mutated, if telemetering number
According to underfrequency, may the telemetry that be taken do not capture the mutation of measurement, this condition can only be as the auxiliary of breakdown judge
Data are helped, can not be completely dependent on；
304）When active, the voltage in recent interval are mutated, on the basis of first switch changed position alarm, first 1 minute
It alerts and believes as data source, during which movement and the exception level of involution to rear 5 minutes accidents, exception, displacement grade alarm information
Breath is alerted as association；
305）A failure is such as had been determined as, then by female poor, main transformer differential gas, failure, main transformer standby, route protection, coincidence
Lock, prepared auto restart, automatic safety device sequence of movement are qualitative to failure progress, compare the plant stand in conjunction with typical fault rule base, are somebody's turn to do
It is spaced in n hours accident, defect time of origin front and back remote signalling alarm datas, when representative accident, flaw indication correlation rule library
Middle presence, and there are the signals that such signaling point does not occur but for the plant stand, then determine signal leakage hair；
306）When there is the failure of route or main transformer interval, it need to inquire whether reclosing in 5 minutes acts, as reclosing does not move
Make, prompt reclosing not operating, such as reclosing protection act, prompts reclosing movement；After reclosing movement, whether switch is judged
Success is closed a floodgate, such as separating brake again after not closing a floodgate or closing a floodgate, it is determined as unsuccessful reclosing, such as not separating brake again after closing a floodgate, it is determined as weight
Closing success；
307）When a failure occurs, according to fault category, combination failure rule base judges whether failure can be sent by force, part event
Barrier need to be in conjunction with anomalous event, and the switch that such as female poor, main transformer differential gas, failure, main transformer backup protection act tripping does not have
Condition is sent by force；Line switching interval does not have other than heater failure Exception Type and plug-in strip Exception Type send condition by force,
Route protection and observing and controlling Exception Type, which do not have, send by force condition；
308）It is interior when 3 is small after switch failure tripping, if there is switching signal, then it represents that the switch institute connecting lines meet primary examination
Send condition；Do not sentence examination for reclosing to send, i.e., the switching signal after accident in 1 minute is not counting examination is sent；For not run in monitoring
The accident of zone of responsibility conjugates not counting examination is sent；Equipment is in inspecting state when accident, then not counting examination is sent；3/2 wiring of side is adjusted for saving, also
It needing that primary equipment monitoring alarm table is combined to be judged, i.e., the alarm for having equipment state to exit when accident occurs just is calculated examination and is sent,
Avoid the erroneous judgement of examination line sending road.
As optimization technique means：In step 2）In, the discrimination method of label includes：
201）Defective labels identification
A）Monitoring information is classified correctness
Monitoring information alarm level is divided into accident according to the order of importance and emergency, abnormal, out-of-limit, displacement, informs five kinds, passes through monitoring information
Data are periodically checked with information table and typical information table, add " defect " label for nonstandard information；
B）Monitoring information Naming conventions
Review monitoring information Naming conventions are periodically checked by monitoring information data and information table and typical information table, for not
The information of specification adds " defect " label；
202）Invalid tag identification
Check monitoring information data alarm time and whether there is relevant device maintenance to set board or inhibit to the alarm of this signal, block,
The operation such as number is manually set, if any above situation, engineering noise label is labeled as to the signal；
203）Upper window label
Upper window label refers to corresponding to the whether upper window of alarm signal optimum results；Event recognition considers upper window information；
204) retired label
The signal that retired equipment still transmits in equipment account is labeled as " retired " label；
205) suspicious label
Include " suspicious " wording in alarm signal, is then divided into " suspicious " label；
206) label is mended in standby channel
Comprising " mending in standby channel " wording in alarm signal, then " mending in standby channel " label is divided into；
207) timely label
The signal of upper window, the signal confirmed in 15 minutes stamp " timely " label in remote signalling warning information；
208) label is overhauled
The case where including " maintenance " wording in signal, be then divided into maintenance, being plucked for part leakage, from set board it is not corresponding in extraction believe
Breath；
209) association label
A) remote operation
By judging whether to contain " displacement/remote control " type in switch changed position state and being not belonging to the then calculation distant place behaviour of AVC remote control
Make, conjugates before time of origin after 10 seconds in 30 seconds with spacing movement and the exception class signal identification of involution is " association "；
B) AVC remote control operation
AVC remote control is calculated in remote control displacement in remote control operation warning watch containing " AVC "；In switch names containing " capacitor ", " low anti-",
" highly resistance ", " reactance ", " capacitive reactance ", " and appearance ", " and resisting " switch changed position, be defaulted as AVC remote control, conjugate time of origin before 10 seconds
Afterwards in 30 seconds with spacing movement and the exception class signal identification of involution is " association "；
C) error signal
On the basis of excluding remote operation and AVC remote control operation, judge that the time interval of any two switch changed position is less than door
Threshold value is then judged to error signal；Whether judge has displacement number in N minutes be more than the displacement of M, if there is then calculating error signal, wherein
Error signal statistics is not included in the displacement of remote operation；
D) switch, disconnecting link, earthing switch blade history run state identification
Information is conjugated by all switches, the disconnecting link that read in remote signalling displacement data, but does not include the alarm of switch single divide-shut brake,
To conjugate the time as initial time, until switch tool time next time is to terminate the time, the switch, disconnecting link state in the period are starting
The switch remote signalling state of time acts in 30 seconds after 10 seconds before conjugating time of origin and the exception class signal identification of involution is " companion
It is raw " label, it is contemplated that the case where being lacked during being sent on signal, using section file verification switch, disconnecting link, earthing switch blade it is distant
Letter state；
E) accident conjugates
Switching on and off signal in 1 minute after switch failure tripping counts accident displacement, wherein Bitwise is reclosing, standby
Accident displacement is also counted from the displacement for catering to lock；
F) execute-in-place
Be unsatisfactory for maintenance, remote operation, AVC remote control operation, error signal, accident displacement switch changed position signal count live behaviour
Make, the exception class signal identification of movement and involution is " companion in 30 seconds after 10 seconds before the displacement time of origin during execute-in-place
It is raw "；
G label) is operated
Basic judgment method：Quartile is conjugated as occurred two different disconnecting links in the half an hour of interval, wherein disconnecting link does not include and connects
Ground plug-in strip, and be upper window signal, then trouble hunt ing operation starts, until two different disconnecting links displacements become coincidence, then
It with stopping, during which conjugating signal and stamps " operation " label, act and the exception class signal of involution stamps " association " label；
The judgement of binding operation ticket：Read operation ticket information, by the command information of the operation order of operation order, command information includes behaviour
Office, time of ordering, deadline, operational order bay objects, on the basis of time of ordering, deadline, in conjunction with switch,
The historical state data of disconnecting link, determine operation at the beginning of and the end time, then to in time for each instruction, with interval
Remote signalling displacement signal stamp " operation " label, " interval accident total information " in time for each instruction, " whole station accident is always believed
Number " stamp " operation " label；
210）Debug label
When operation order review, " debugging " label is stamped to remote signalling displacement signal according to the switching of the operating status at interval；Wherein two
Report time when secondary device is instructed according to the discovery in instruction containing " tripping is changed to signal " is the debugging time started, and discovery contains
Time of ordering when " signal is changed to trip " instructs, generally there are 2,4 or more fingers for primary equipment for the debugging end time
It enables, is mainly judged according to " RUN ", " stand-by heat ", " cold standby ", " maintenance " four state switchings, two kinds of situations can be divided into；
The first begins to maintenance by turning " cold standby " state, when being started with turning " cold standby " the status command report time for debugging
Between, the time of ordering when turning other states by " cold standby " is the debugging end time；Second by turn " maintenance " state start
Maintenance, to turn " maintenance " status command to report the time to be the debugging time started, when by " maintenance " turn other states when ordering
Between for the debugging end time, the signal in the above period stamps " debugging " label；
211）Secondary work tap
In conjunction with bis- work tickets of PMS, according to interval/whole station, temporal information in secondary work ticket, to working time content, between
Every/with station remote signalling alarm signal stamp " secondary work " label；
212）Take place frequently judgement
On the basis of excluding signal caused by remote operation, execute-in-place, AVC operation, failure, defect, counted by signaling point
Daily, monthly the signal of signaling point transmits the frequency, movement involution calculate it is primary, such as transmit number more than 35/be monthly judged as the period
Property take place frequently, transmit number more than 5/be judged as period daily and take place frequently.
As optimization technique means：It further include showing information Step, when showing information：
Monitoring of tools information big data system equipment failure exception information show using the same time with substation as unit, format packet
Information profile containing failure exception, warning information inventory, accidentally leakage issue of bidding documents is shown and is prompted with subsequent emergency disposal.
Fault message brief introduction shows format：* * divides * substation * * equipment * protection act to jump * switch, peace when * year, * month * day
Full-automatic device movement jumps * switch, closes * switch, and the time takes first switch changed position alarm time.It is dynamic that route should also indicate coincidence
Make situation, is divided into the not operating three classes of successful reclosing, unsuccessful reclosing, reclosing.
Exception information brief introduction shows format：* * divides * substation * * equipment * Exception Type when * year, * month * day.
Whether emergency disposal prompt main cue, which has, is sent by force condition, and format, which is that * * equipment is strong because * * reason does not have, send item
Part.The switch that female poor, main transformer differential gas, failure, main transformer backup protection movement are tripped, which does not have, send by force condition.Line switching
Interval does not have other than heater failure Exception Type and plug-in strip Exception Type send by force condition, and route protection and observing and controlling are abnormal
Type, which does not have, send by force condition.
As optimization technique means：In step 102）In, on the basis of first switch changed position alarm, first 1 minute to rear 5
Minute accident, exception, displacement grade alarm information are as data source.
As optimization technique means：In step 105）In, unit exception is different with the same substation 2 minutes for taking window mark
Normal grade alarm information is data source.
Beneficial effect：
By carrying out the analysis of Centralized Monitoring information intelligent, and collect multiple system operation datas, analyzes skill using intelligent association
Art to monitoring device be associated comparison analysis, establish equipment fault disposition model, carry out monitoring equipment fault early stage sign and
The research of trend intelligent predicting, improves Centralized Monitoring operational efficiency, the operational safety of effective guarantee grid equipment.
The technical program is the element task of information review, and the emphasis of review is to rely on association analysis, Time-Series analysis, frequency
The methods of analysis, text analyzing carry out attribute labeling to warning information, to lay the foundation for big data analysis from now on.
The general character signal that the technical program is generated by similar failure, extremely establishes signal instructions library by rule, passes through machine
Rule base is improved in study, so that leakage hair, the accidentally unreasonable situation such as hair, multiple are picked out, monitoring analysis teacher, the full-time absorbed thing of monitoring
Part signal Producing reason avoids passing through manpower discrimination, provides safeguard for failure, the validity of abnormality processing.
Detailed description of the invention
Fig. 1 is flow chart of the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, event, abnormal identification rule include：
One, trap signal
1）Remote signalling warning information is obtained, invalid signals are filtered, invalid signals include the signals such as inhibition, block, artificial straight number；
2）Filter listed signal, listed signal includes and stamping pair with maintenance, standby channel benefit, defect, the information of suspicious wording
Answer attribute tags；
3）Defect signal is filtered, classification, voltage class, situation lack of standardization in preposition table are checked according to java standard library；
4）Filtering stops using as a servant signal, stops labour signal and includes substation and the retired operation generation of equipment or retired substation, sets
The signal that preparation goes out；
5）Timely signal is filtered, upper window and the interior signal confirmed of 10min~15min in remote signalling warning information are filtered；
6）Obtain useful signal to be analyzed, the useful signal after excluding the interference signal；
7）Remote control operation signal instructions library；
8）Useful signal to be analyzed is redefined, the useful signal after excluding the interference signal that action event issues；
9）Accident information Rule Information rule base carries out accident event according to the accident information rule base that monitoring profession arranges
Identification is stamped faulty tag and association, is accidentally sent out, leakage issue of bidding documents label；
10）Useful signal to be analyzed is redefined, the useful signal after the interference signal that debugging event issues carries out different
Often, the judgement of defect；
11）It is associated with record on duty, accident record, picks out defect event tag；
12）Useful signal to be analyzed is redefined, the interference signal that defect event issues is excluded and recognizes anomalous event；
13）Anomalous event judgement is carried out according to the abnormal signal rule base that monitoring profession arranges, stamps abnormal label；
14）Useful signal to be analyzed is redefined, anomalous event is excluded and issues the useful signal after interference signal；
15）To useful signal that all can not be evented by rule base, manual analysis is carried out；
16）It is associated with signal caused by manually matching because of defect with defect, signal, stamps defective labels；
17）In step 6）Afterwards, it is associated with corresponding logging, picks out debugging, association, secondary work tap.
The present invention establishes intelligent review mechanism by monitoring alarm information, according to alarm grade, policer operation information, maintenance
Etc. information, it is automatically tagged to daily information using data tag technology, extract effective warning information, it is combination failure, different
Normal information rule, the corresponding failure of identification information, exception information from mass data, while remaining information being pushed manually
Review carries out special analysis, and specific logic is as follows：
1.1. failure, exception information rule base
To meet the unattended Centralized Monitoring needs of substation, promotes power grid and the disposition of a substation equipment failure exception distant place is correct
Property and rapidity, in conjunction with grid equipment equipping rules, equipment operation track and automatic equipment of relay protection setting principle, according to
According to《Substation equipment monitoring information specification》（QGDW 11398- 2015 ）Substation equipment typical fault is worked out in information collection
The monitoring information alarm regulation library of exception, application apparatus monitoring information big data system, assistance regulation person is correct, quickly judgement divides
Desorption device failure exception promotes electric network fault exception disposal efficiency, ensures power grid and equipment safety operation.
It is real according to 220 kilovolts of power grid and above loop-net operation, 110 kilovolts and following voltage class open loop operation
Summarize, comb with the monitoring information alarm of the variation of first and second equipment state caused by substation equipment failure exception characteristic in border
It manages, analyze, summarize.
(1) alarm regulation library operation rule
1) according to alarm regulation library using substation as unit, first failure after extremely for judgment principle.
2) equipment fault in addition to equipment operation maintenance outgoing make trouble therefore and switch changed position grade alarm information, utilize change
The monitoring information alarm regulation library of power station equipment typical fault is judged.On the basis of first switch changed position alarm, first 1 point
5 minutes accidents of Zhong Zhihou, exception, displacement grade alarm information are as data source, during which movement and the alarm of the exception level of involution
Information is alerted as association.
3) by based on distinct device type typical fault, police classifies.
4) equipment fault by female poor, main transformer differential gas, failure, main transformer standby, route protection, reclosing, prepared auto restart,
The judgement of automatic safety device sequence of movement.
5) unit exception is utilized using the 2 minutes exception level warning information of same substation for taking window mark as data source
The typical abnormal monitoring information alarm regulation library of substation equipment is judged, is classified extremely by primary, secondary device.
(2) information format is shown
1) monitoring of tools information big data system equipment failure exception information is shown using the same time with substation as unit, lattice
Formula includes failure exception information profile, warning information inventory, accidentally leakage issue of bidding documents is shown and prompted with subsequent emergency disposal.
2) fault message brief introduction shows format：* * divides * substation * * equipment * protection act jump * to open when * year, * month * day
It closes, automatic safety device movement jumps * switch, closes * switch, and the time takes first switch changed position alarm time.Route should also indicate
Multiple action situation is divided into the not operating three classes of successful reclosing, unsuccessful reclosing, reclosing.
3) exception information brief introduction shows format：* * divides * substation * * equipment * Exception Type when * year, * month * day.
4) whether emergency disposal prompt main cue, which has, is sent by force condition, and format is * * equipment because * * reason does not have by force
Send condition.The switch that female poor, main transformer differential gas, failure, main transformer backup protection movement are tripped, which does not have, send by force condition.Route
Switch gap does not have other than heater failure Exception Type and plug-in strip Exception Type send by force condition, route protection and observing and controlling
Exception Type, which does not have, send by force condition.
1.2. labeling is analyzed
Substation equipment monitoring alarm information is sorted out according to action reason, establishes label scheme, count all kinds of labels into
Row is shown, analyzes substation equipment monitoring alarm validity.Invalid signals, interference signal are excluded by rule, to having
It imitates signal and adds standardized nature label, be according to identification of defective, anomalous event, specific label with failure, exception rules library
Identification rule is as follows：
(1) defective labels
1) monitoring information is classified correctness
Monitoring information alarm level is divided into accident according to the order of importance and emergency, abnormal, out-of-limit, displacement, informs five kinds, passes through monitoring information
Data are periodically checked with information table and typical information table, add " defect " label for nonstandard information.
2) monitoring information Naming conventions
Review monitoring information Naming conventions are periodically checked by monitoring information data and information table and typical information table, for not
The information of specification adds " defect " label.
(2) invalid tag
Check monitoring information data alarm time and whether there is relevant device maintenance to set board or inhibit to the alarm of this signal, block,
The operation such as number is manually set, if any above situation, engineering noise label is labeled as to the signal.
(3) window label on
Upper window label refers to corresponding to the whether upper window of alarm signal optimum results.D5000 or OPEN3000 system automatic marking, event
Identification need to only consider upper window information.
(4) retired label
The signal that retired equipment still transmits in equipment account is labeled as " retired " label.
(5) suspicious label
Include " suspicious " wording in alarm signal, is then divided into " suspicious " label.
(6) label is mended in standby channel
Comprising " mending in standby channel " wording in alarm signal, then " mending in standby channel " label is divided into.
(7) timely label
The signal of upper window, the signal confirmed in 15 minutes stamp " timely " label in remote signalling warning information.
(8) label is overhauled
Include " (maintenance) " wording in signal, is then divided into maintenance, leaks the case where plucking for part, it can be from setting during board do not correspond to
Extract information；
(9) association label
1) remote operation
By whether judging in switch changed position state containing " displacement（Remote control）" type and be not belonging to AVC remote control a then calculation distant place behaviour
Make, conjugates before time of origin after 10 seconds in 30 seconds with spacing movement and the exception class signal identification of involution is " association "；
2) AVC remote control operation
AVC remote control is calculated in remote control displacement in remote control operation warning watch containing " AVC "；In switch names containing " capacitor ", " low anti-",
" highly resistance ", " reactance ", " capacitive reactance ", " and appearance ", " and resisting " switch changed position, be defaulted as AVC remote control, conjugate time of origin before 10 seconds
Afterwards in 30 seconds with spacing movement and the exception class signal identification of involution is " association "；
3) error signal
On the basis of excluding remote operation and AVC remote control operation, judge that the time interval of any two switch changed position is less than door
Threshold value（Default 20 seconds, can match）, then it is judged to error signal；Whether judge has displacement number in N minutes be more than the displacement of M, if there is
Then calculate error signal, wherein error signal statistics is not included in the displacement of remote operation；
4) switch, disconnecting link, earthing switch blade history run state identification
Information is conjugated by all switches, the disconnecting link that read in remote signalling displacement data, but does not include the alarm of switch single divide-shut brake,
To conjugate the time as initial time, until switch tool time next time is to terminate the time, the switch, disconnecting link state in the period are starting
The switch remote signalling state of time acts in 30 seconds after 10 seconds before conjugating time of origin and the exception class signal identification of involution is " companion
It is raw " label, it is contemplated that section file verification switch, disconnecting link, earthing switch blade can be used in the case where lacking during sending on signal
Remote signalling state.
5) accident conjugates
Switching on and off signal in 1 minute after switch failure tripping counts accident displacement, wherein Bitwise is reclosing, standby
Accident displacement is also counted from the displacement for catering to lock；
6) execute-in-place
Be unsatisfactory for maintenance, remote operation, AVC remote control operation, error signal, accident displacement switch changed position signal count live behaviour
Make, the exception class signal identification of movement and involution is " companion in 30 seconds after 10 seconds before the displacement time of origin during execute-in-place
It is raw ".
(10) label is operated
Basic judgment method：Quartile is conjugated as occurred two different disconnecting links in the half an hour of interval（Not comprising earthing switch blade, and
For upper window signal）, then trouble hunt ing operates and starts, and becomes coincidence until two different disconnecting links conjugate, then matches stopping, phase
Between displacement signal stamp " operation " label, the exception class signal of movement and involution stamps " association " label, and the method is suitable for greatly
Majority interval.
The judgement of binding operation ticket：Read operation ticket information, passes through the command information of the operation order of operation order（Operating unit,
It orders time, deadline, operational order bay objects）, on the basis of time of ordering, the deadline, in conjunction with switch, disconnecting link
Historical state data, can accurately determine operation at the beginning of and the end time, then to in time for each instruction,
Remote signalling displacement signal with interval stamps " operation " label, " interval accident total information " " whole station accident in time for each instruction
Resultant signal " can also stamp " operation " label.
(11) label is debugged
When operation order review, " debugging " label is stamped to remote signalling displacement signal according to the switching of the operating status at interval.Wherein two
Report time when secondary device is instructed according to the discovery in instruction containing " tripping is changed to signal " is the debugging time started, and discovery contains
Time of ordering when " signal is changed to trip " instructs, generally there are 2,4 or more fingers for primary equipment for the debugging end time
It enables, is mainly judged according to " RUN ", " stand-by heat ", " cold standby ", " maintenance " four state switchings, two kinds of situations can be divided into.
The first begins to maintenance by turning " cold standby " state, when being started with turning " cold standby " the status command report time for debugging
Between, the time of ordering when turning other states by " cold standby " is the debugging end time；Second by turn " maintenance " state start
Maintenance, to turn " maintenance " status command to report the time to be the debugging time started, when by " maintenance " turn other states when ordering
Between for the debugging end time, the signal in the above period stamps " debugging " label.
(12) secondary work tap
In conjunction with bis- work tickets of PMS, according to interval/whole station, temporal information in secondary work ticket, to working time content, between
Every/with station remote signalling alarm signal stamp " secondary work " label.
(13) take place frequently judgement
On the basis of excluding signal caused by remote operation, execute-in-place, AVC operation, failure, defect, counted by signaling point
Daily, monthly the signal of signaling point transmits the frequency, and movement involution is calculated primary.Such as transmit number more than 35/be monthly judged as the period
Property take place frequently, transmit number more than 5/be judged as period daily and take place frequently.
1.3. event of failure recognizes
Filtered useful signal is analyzed based on labeling, while being associated with dispatching log, monitoring log progress event correlation, finally
Realize the accuracy of event of failure.Specific decision rule is as follows：
1, disconnecting link position in the interval at moment occurs for window protection signal in inquiry（It does not include earthing switch blade）, such as all disconnecting link positions
In quartile, then it is judged as that interval debugging causes, is not set to failure, is in coincidence if there is disconnecting link, then judge in next step.
2, on the basis of protecting time of origin, whether there is in the remote signalling warning information in inquiry first 1 minute to latter 5 minutes
Switch quartile signal and interval accident with interval is total（Whole station accident is total）Signal is such as always believed without switch quartile signal or accident
Number, it is not set to failure；If quartile signal is caused by maintenance, operation, remote control, error signal, it is not set to failure.
3, on the basis of protecting time of origin, whether the active, voltage etc. inquired in interval in the recent period is mutated, if distant
The underfrequency of measured data, the telemetry that may be taken do not capture the mutation of measurement, this condition can only be used as breakdown judge
Auxiliary data, can not be completely dependent on.
4, when such as meeting condition 3, on the basis of being alerted by first switch changed position, first 1 minute to rear 5 minutes accidents, exception,
Grade alarm information is conjugated as data source, the exception level warning information for during which acting involution again is alerted as association.
5, a failure is such as had been determined as, it can be by female poor, main transformer differential gas, failure, main transformer standby, route protection, again
Combined floodgate, prepared auto restart, automatic safety device sequence of movement to failure carry out it is qualitative, in conjunction with typical fault rule base compare the plant stand,
This is spaced in n hours before and after accident, defect time of origin remote signalling alarm datas, representative accident, flaw indication association such as occurs
Have in rule base, and there are the signals that such signaling point does not occur but for the plant stand, can determine that signal leakage hair.
6, when there is the failure of route or main transformer interval, it need to inquire whether reclosing in 5 minutes acts, not such as reclosing
Movement prompts reclosing not operating, such as reclosing protection act, prompts reclosing movement；After reclosing movement, judge that switch is
It is no successfully to close a floodgate, such as separating brake again after not closing a floodgate or closing a floodgate, it is determined as unsuccessful reclosing, such as not separating brake again after closing a floodgate, it is determined as
Reclosing success.
7, it breaks down, according to fault category, combination failure rule base judges whether failure can be sent by force, partial fault
Need to be in conjunction with anomalous event, the switch that such as female poor, main transformer differential gas, failure, main transformer backup protection movement are tripped does not have by force
Send condition.Line switching interval does not have other than heater failure Exception Type and plug-in strip Exception Type send by force condition, line
Road protection and observing and controlling Exception Type, which do not have, send by force condition.
8, interior when 3 is small after switch failure tripping, if there is switching signal, then it represents that the switch institute connecting lines meet once
Condition is sent in examination.Do not sentence examination for reclosing to send, i.e., the switching signal after accident in 1 minute is not counting examination is sent；For not transported in monitoring
The accident of row zone of responsibility conjugates not counting examination is sent；Equipment is in inspecting state when accident（It hangs maintenance board or two sides disconnecting link is point, remote signalling
Program transformation judgement）Then not counting examination is sent；3/2 wiring of side is adjusted for saving, it is also necessary to be sentenced in conjunction with primary equipment monitoring alarm table
Disconnected, i.e., the alarm for having equipment state to exit when accident occurs just is calculated examination and is sent, and avoids the erroneous judgement of examination line sending road.
1.4. anomalous event recognizes
Filtered useful signal is analyzed based on labeling, the exception class signal of window, only takes action signal in inquiry, does not include event
Exception class signal caused by barrier, operation, association, defect.
Using the 2 minutes exception level warning information of same substation for taking window mark as data source, substation equipment is utilized
Typical abnormal monitoring information alarm regulation library is judged, is classified extremely by primary, secondary device, and log history is different
Quantity often occurs.
Monitoring accident, anomalous event identification shown in figure 1 above and multidimensional analysis method are specific embodiments of the present invention,
Embodied substantive distinguishing features of the present invention and progress, can according to it is actual use needs, under the inspiration of the present invention, to its into
The equivalent modifications of row shape, structure etc., the column in the protection scope of this programme.
Claims (6)
1. the identification of the accident of monitoring, anomalous event and multidimensional analysis method, it is characterised in that include the following steps：
1）Establish failure, exception rules library；Work out the monitoring information alarm regulation library of substation equipment typical fault exception；Alarm
Rule base operation rule, including：
101）According to alarm regulation library, using substation as unit, first failure after extremely for judgment principle；
102）Equipment fault in addition to equipment operation maintenance outgoing make trouble therefore and switch changed position grade alarm information, utilize monitoring letter
Breath alarm regulation library judged, on the basis of being alerted by first switch changed position, first T1 minutes to rear T2 minutes of accident, different
Often, as data source, the exception level warning information for during which acting involution again alerts displacement grade alarm information as association；
103）Based on distinct device type typical fault, classify to alarm；
104）Female poor, main transformer differential gas, failure, main transformer standby, route protection, reclosing, prepared auto restart, safety are pressed in equipment fault
The judgement of automatic device sequence of movement；
105）Unit exception utilizes change using the same substation T3 minutes exception level warning information for taking window mark as data source
The typical abnormal monitoring information alarm regulation library of power station equipment is judged, is classified extremely by primary, secondary device；
2) labeling is analyzed
Daily warning information is sorted out according to action reason, establishes label scheme, is believed by rule invalid signals, interference
It number is excluded, standardized nature label is added to useful signal, be according to identification of defective, exception with failure, exception rules library
Event, label include defective labels, invalid tag, upper window label, retired label, suspicious label, standby channel benefit label and markers
Label, maintenance label, association label, operation label, debugging label, secondary work tap, taking place frequently judges label；
3）Event of failure identification
Filtered useful signal is analyzed based on labeling, while being associated with dispatching log, monitoring log progress event correlation, finally
Realize the accuracy of event of failure；
4）Anomalous event identification
Filtered useful signal is analyzed based on labeling, the exception class signal of window, only takes action signal in inquiry, does not include event
Exception class signal caused by barrier, operation, association, defect；
Using the same substation T4 minutes exception level warning information for taking window mark as data source, substation equipment typical case is utilized
Abnormal monitoring information alarm regulation library is judged, is classified extremely by primary, secondary device, and log history is sent out extremely
Raw quantity.
2. the identification of monitoring accident according to claim 1, anomalous event and multidimensional analysis method, it is characterised in that：In step
Rapid 3）In, event of failure identification includes the following steps：
301）Disconnecting link position in the interval at moment occurs for window protection signal in inquiry, when all disconnecting link positions are in quartile, then sentences
Breaking causes for interval debugging, is not considered as to judge in next step for failure if still there is disconnecting link to be in coincidence；
302）On the basis of protecting time of origin, with the presence or absence of same in the remote signalling warning information in inquiry first 1 minute to latter 5 minutes
The switch quartile signal and interval accident resultant signal at interval are not considered as such as without switch quartile signal or accident resultant signal as failure；
If quartile signal is caused by maintenance, operation, remote control, error signal, it is not considered as failure；
303）On the basis of protecting time of origin, whether active, the voltage inquired in interval in the recent period are mutated, if telemetering number
According to underfrequency, may the telemetry that be taken do not capture the mutation of measurement, this condition can only be as the auxiliary of breakdown judge
Data are helped, can not be completely dependent on；
304）When active, the voltage in recent interval are mutated, on the basis of first switch changed position alarm, first 1 minute
It alerts and believes as data source, during which movement and the exception level of involution to rear 5 minutes accidents, exception, displacement grade alarm information
Breath is alerted as association；
305）A failure is such as had been determined as, then by female poor, main transformer differential gas, failure, main transformer standby, route protection, coincidence
Lock, prepared auto restart, automatic safety device sequence of movement are qualitative to failure progress, compare the plant stand in conjunction with typical fault rule base, are somebody's turn to do
It is spaced in n hours accident, defect time of origin front and back remote signalling alarm datas, when representative accident, flaw indication correlation rule library
Middle presence, and there are the signals that such signaling point does not occur but for the plant stand, then determine signal leakage hair；
306）When there is the failure of route or main transformer interval, it need to inquire whether reclosing in 5 minutes acts, as reclosing does not move
Make, prompt reclosing not operating, such as reclosing protection act, prompts reclosing movement；After reclosing movement, whether switch is judged
Success is closed a floodgate, such as separating brake again after not closing a floodgate or closing a floodgate, it is determined as unsuccessful reclosing, such as not separating brake again after closing a floodgate, it is determined as weight
Closing success；
307）When a failure occurs, according to fault category, combination failure rule base judges whether failure can be sent by force, part event
Barrier need to be in conjunction with anomalous event, and the switch that such as female poor, main transformer differential gas, failure, main transformer backup protection act tripping does not have
Condition is sent by force；Line switching interval does not have other than heater failure Exception Type and plug-in strip Exception Type send condition by force,
Route protection and observing and controlling Exception Type, which do not have, send by force condition；
308）It is interior when 3 is small after switch failure tripping, if there is switching signal, then it represents that the switch institute connecting lines meet primary examination
Send condition；Do not sentence examination for reclosing to send, i.e., the switching signal after accident in 1 minute is not counting examination is sent；For not run in monitoring
The accident of zone of responsibility conjugates not counting examination is sent；Equipment is in inspecting state when accident, then not counting examination is sent；3/2 wiring of side is adjusted for saving, also
It needing that primary equipment monitoring alarm table is combined to be judged, i.e., the alarm for having equipment state to exit when accident occurs just is calculated examination and is sent,
Avoid the erroneous judgement of examination line sending road.
3. the identification of monitoring accident according to claim 2, anomalous event and multidimensional analysis method, it is characterised in that：In step
Rapid 2）In, the discrimination method of label includes：
201）Defective labels identification
A）Monitoring information is classified correctness
Monitoring information alarm level is divided into accident according to the order of importance and emergency, abnormal, out-of-limit, displacement, informs five kinds, passes through monitoring information
Data are periodically checked with information table and typical information table, add " defect " label for nonstandard information；
B）Monitoring information Naming conventions
Review monitoring information Naming conventions are periodically checked by monitoring information data and information table and typical information table, for not
The information of specification adds " defect " label；
202）Invalid tag identification
Check monitoring information data alarm time and whether there is relevant device maintenance to set board or inhibit to the alarm of this signal, block,
The operation such as number is manually set, if any above situation, engineering noise label is labeled as to the signal；
203）Upper window label
Upper window label refers to corresponding to the whether upper window of alarm signal optimum results；Event recognition considers upper window information；
204) retired label
The signal that retired equipment still transmits in equipment account is labeled as " retired " label；
205) suspicious label
Include " suspicious " wording in alarm signal, is then divided into " suspicious " label；
206) label is mended in standby channel
Comprising " mending in standby channel " wording in alarm signal, then " mending in standby channel " label is divided into；
207) timely label
The signal of upper window, the signal confirmed in 15 minutes stamp " timely " label in remote signalling warning information；
208) label is overhauled
The case where including " maintenance " wording in signal, be then divided into maintenance, being plucked for part leakage, from set board it is not corresponding in extraction believe
Breath；
209) association label
A) remote operation
By judging whether to contain " displacement/remote control " type in switch changed position state and being not belonging to the then calculation distant place behaviour of AVC remote control
Make, conjugates before time of origin after 10 seconds in 30 seconds with spacing movement and the exception class signal identification of involution is " association "；
B) AVC remote control operation
AVC remote control is calculated in remote control displacement in remote control operation warning watch containing " AVC "；In switch names containing " capacitor ", " low anti-",
" highly resistance ", " reactance ", " capacitive reactance ", " and appearance ", " and resisting " switch changed position, be defaulted as AVC remote control, conjugate time of origin before 10 seconds
Afterwards in 30 seconds with spacing movement and the exception class signal identification of involution is " association "；
C) error signal
On the basis of excluding remote operation and AVC remote control operation, judge that the time interval of any two switch changed position is less than door
Threshold value is then judged to error signal；Whether judge has displacement number in N minutes be more than the displacement of M, if there is then calculating error signal, wherein
Error signal statistics is not included in the displacement of remote operation；
D) switch, disconnecting link, earthing switch blade history run state identification
Information is conjugated by all switches, the disconnecting link that read in remote signalling displacement data, but does not include the alarm of switch single divide-shut brake,
To conjugate the time as initial time, until switch tool time next time is to terminate the time, the switch, disconnecting link state in the period are starting
The switch remote signalling state of time acts in 30 seconds after 10 seconds before conjugating time of origin and the exception class signal identification of involution is " companion
It is raw " label, it is contemplated that the case where being lacked during being sent on signal, using section file verification switch, disconnecting link, earthing switch blade it is distant
Letter state；
E) accident conjugates
Switching on and off signal in 1 minute after switch failure tripping counts accident displacement, wherein Bitwise is reclosing, standby
Accident displacement is also counted from the displacement for catering to lock；
F) execute-in-place
Be unsatisfactory for maintenance, remote operation, AVC remote control operation, error signal, accident displacement switch changed position signal count live behaviour
Make, the exception class signal identification of movement and involution is " companion in 30 seconds after 10 seconds before the displacement time of origin during execute-in-place
It is raw "；
G label) is operated
Basic judgment method：Quartile is conjugated as occurred two different disconnecting links in the half an hour of interval, wherein disconnecting link does not include and connects
Ground plug-in strip, and be upper window signal, then trouble hunt ing operation starts, until two different disconnecting links displacements become coincidence, then
It with stopping, during which conjugating signal and stamps " operation " label, act and the exception class signal of involution stamps " association " label；
The judgement of binding operation ticket：Read operation ticket information, by the command information of the operation order of operation order, command information includes behaviour
Office, time of ordering, deadline, operational order bay objects, on the basis of time of ordering, deadline, in conjunction with switch,
The historical state data of disconnecting link, determine operation at the beginning of and the end time, then to in time for each instruction, with interval
Remote signalling displacement signal stamp " operation " label, " interval accident total information " in time for each instruction, " whole station accident is always believed
Number " stamp " operation " label；
210）Debug label
When operation order review, " debugging " label is stamped to remote signalling displacement signal according to the switching of the operating status at interval；Wherein two
Report time when secondary device is instructed according to the discovery in instruction containing " tripping is changed to signal " is the debugging time started, and discovery contains
Time of ordering when " signal is changed to trip " instructs, generally there are 2,4 or more fingers for primary equipment for the debugging end time
It enables, is mainly judged according to " RUN ", " stand-by heat ", " cold standby ", " maintenance " four state switchings, two kinds of situations can be divided into；
The first begins to maintenance by turning " cold standby " state, when being started with turning " cold standby " the status command report time for debugging
Between, the time of ordering when turning other states by " cold standby " is the debugging end time；Second by turn " maintenance " state start
Maintenance, to turn " maintenance " status command to report the time to be the debugging time started, when by " maintenance " turn other states when ordering
Between for the debugging end time, the signal in the above period stamps " debugging " label；
211）Secondary work tap
In conjunction with bis- work tickets of PMS, according to interval/whole station, temporal information in secondary work ticket, to working time content, between
Every/with station remote signalling alarm signal stamp " secondary work " label；
212）Take place frequently judgement
On the basis of excluding signal caused by remote operation, execute-in-place, AVC operation, failure, defect, counted by signaling point
Daily, monthly the signal of signaling point transmits the frequency, movement involution calculate it is primary, such as transmit number more than 35/be monthly judged as the period
Property take place frequently, transmit number more than 5/be judged as period daily and take place frequently.
4. the identification of monitoring accident according to claim 3, anomalous event and multidimensional analysis method, it is characterised in that：Also wrap
Displaying information Step is included, when showing information：
Monitoring of tools information big data system equipment failure exception information show using the same time with substation as unit, format packet
Information profile containing failure exception, warning information inventory, accidentally leakage issue of bidding documents is shown and is prompted with subsequent emergency disposal；
Fault message brief introduction shows format：* * divides * substation * * equipment * protection act to jump * switch, safety when * year, * month * day
Automatic device movement jumps * switch, closes * switch, and the time takes first switch changed position alarm time；
Route should also indicate multiple action situation, be divided into the not operating three classes of successful reclosing, unsuccessful reclosing, reclosing；
Exception information brief introduction shows format：* * divides * substation * * equipment * Exception Type when * year, * month * day；
Whether emergency disposal prompt main cue, which has, is sent by force condition, and format, which is that * * equipment is strong because * * reason does not have, send condition；
The switch that female poor, main transformer differential gas, failure, main transformer backup protection movement are tripped, which does not have, send by force condition；
Line switching interval does not have other than heater failure Exception Type and plug-in strip Exception Type send by force condition, and route is protected
Shield and observing and controlling Exception Type, which do not have, send by force condition.
5. the identification of monitoring accident according to claim 4, anomalous event and multidimensional analysis method, it is characterised in that：In step
Rapid 102）In, on the basis of first switch changed position alarm, first 1 minute to rear 5 minutes accidents, exception, displacement grade alarm letter
Breath is used as data source.
6. the identification of monitoring accident according to claim 5, anomalous event and multidimensional analysis method, it is characterised in that：In step
Rapid 105）In, unit exception is to take 2 minutes exception level warning information of same substation of window mark as data source.
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