CN105867270B - A kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method - Google Patents

A kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method Download PDF

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Publication number
CN105867270B
CN105867270B CN201610218504.XA CN201610218504A CN105867270B CN 105867270 B CN105867270 B CN 105867270B CN 201610218504 A CN201610218504 A CN 201610218504A CN 105867270 B CN105867270 B CN 105867270B
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emergency
plan
accident
prediction scheme
identification
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CN201610218504.XA
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CN105867270A (en
Inventor
唐元合
马洁
朱斌
吴奕
刘翌
朱海兵
熊浩
韩肖
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Nari Technology Co Ltd
NARI Nanjing Control System Co Ltd
Nanjing NARI Group Corp
Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Nari Technology Co Ltd
NARI Nanjing Control System Co Ltd
Nanjing NARI Group Corp
Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Priority to CN201610218504.XA priority Critical patent/CN105867270B/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048Monitoring; Safety

Abstract

The invention discloses a kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push methods, include the following steps:Step 1:Establish emergency plan for accidents library;Step 2:The exception of monitoring and identification power transmission and transforming equipment, anomalous event is stored into unit exception event buffer queue, and delete the anomalous event of failure;Step 3:Each accident prediction in emergency plan for accidents library is checked one by one, judge whether the associated equipment of every accident prediction and corresponding Exception Type are present in anomalous event buffer queue, when existing simultaneously, take out the drawing road sequence defined in prediction scheme, automatic start draws road control, into prediction scheme automatic push flow.The present invention handles rule according to various kinds of equipment abnormality and establishes emergency management prediction scheme storehouse, start urgent prediction scheme process flow automatically when discovering device failure, shorten the processing time of power transmission and transforming equipment exception, quickly eliminates existing failure, safeguard power grid operation.

Description

A kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method
Technical field
The invention belongs to electric power network technique field more particularly to a kind of power transmission and transformation equipment state anomalous identification and emergency processing are pre- Case automatic push method.
Background technology
Core of the power transmission and transforming equipment as operation of power networks carries out the way that monitoring in real time is basic to its operating status. In real time on the basis of monitoring, maintains each equipment operation to be in stable state, find to load higher equipment in real time, and in time had Sequence with accurately handle, eliminate abnormality, so that it is maintained fault critical range hereinafter, system can be enhanced to a certain extent Stablize, improves operation of power networks efficiency.
In engineering practice, the operation monitoring of equipment is typically by setting telemetry limit value, gradually being connect in remote data Nearly limit value or while being more than limit value, carry out early warning, tentatively judge operation of power networks state.Presently, there are the problem of mainly have:Equipment Operation monitoring is not accurate enough, monitoring angle is incomplete, the non-architectonical of integrated supervision;The fault point disperseed in power grid is lacked and is closed The analysis of connection property;Early warning is typically only capable to the appearance of abnormality, it is difficult to propose accurate solution;Emergence treatment scheme and place It is typically that regulation and control person is rule of thumb formed to manage speed, is varied with each individual.
Major network running equipment is the basis of operation of power networks, and the reason of leading to each equipment operation exception is various, and equipment runs shape State is difficult to predict, and needs in time, accurately to find failure by power transmission and transformation equipment state integrated supervision and carries trouble spot rapidly Reason scheme avoids state deteriorating from causing the catastrophe failures such as equipment damage or power shortage, improves power grid utilization rate.
Invention content
In view of the above-mentioned problems, the present invention establishes equipment state comprehensive monitoring mechanism, accurately with timely find busbar, transmission of electricity The failure or hidden danger of the equipment such as circuit, transformer, reflect equipment running status in real time.It is handled and is advised according to various kinds of equipment abnormality Rule establishes emergency management prediction scheme storehouse, starts urgent prediction scheme process flow automatically when discovering device failure, orderly adjusts flat Weigh each equipment load, quickly eliminates existing failure, safeguards power grid operation.
It realizes above-mentioned technical purpose, reaches above-mentioned technique effect, the invention is realized by the following technical scheme:
A kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method, include the following steps:
Step 1:Establish emergency plan for accidents library;
Step 2:The exception of monitoring and identification power transmission and transforming equipment, by anomalous event storage to unit exception event buffer team In row, and inspection management is carried out to the queue of unit exception event buffer, deletes the anomalous event of failure;
Step 3:Each accident prediction in emergency plan for accidents library is checked one by one, is judged that every accident prediction is associated and is set Whether standby and corresponding Exception Type is present in anomalous event buffer queue, when existing simultaneously, takes out defined in prediction scheme Road sequence is drawn, automatic start draws road control, into prediction scheme automatic push flow.
In the step 1, it includes event emergency preplan table, emergency plan for accidents device relationships to establish emergency plan for accidents library Table, accident emergency draw road sequence table.
In the step 1, the overall information of accident emergent management prediction scheme defined in emergency plan for accidents table, including prediction scheme ID, title, description, associate device quantity, sequence draw way amount, emergency plan for accidents table to pass through prediction scheme ID and emergency plan for accidents Device relationships table, accident emergency draw road sequence table association.
In the step 1, the associated faulty equipment letter of triggering prediction scheme defined in emergency plan for accidents device relationships table Breath, associated with accident prediction is one group of equipment, and when all devices are abnormal in group, road sequence is drawn by accident emergency Table starts automatically draws road control, into prediction scheme automatic push flow.
In the step 1, accident emergency, which is drawn, needs opening for automatic drawing road when the emergency processing of accident defined in the sequence table of road Information is closed, a prediction scheme corresponds to the roads a Zu La sequence, and the switch models of control derive from breaker table.
In the step 2, identification object includes busbar, exchange line segment, transformer;Identification content includes that busbar grounding is known Not, the out-of-limit identification of busbar voltage, busbar voltage fluctuation identification, the identification of device current overload, transformer overload capability identification.
Beneficial effects of the present invention:
The present invention proposes a kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method, is passing On the basis of equipment state of uniting monitoring, equipment state comprehensive inspection system is established, identifies power transmission and transforming equipment abnormality, and fully Using abnormality recognition result, according to the accident prediction library pre-established, the equipment for analyzing each dispersion in power grid in real time is different The often relevance between point, discovering device is abnormal accurately and in time, push prediction scheme assistant regulating and controlling processing, and orderly adjustment is each Equipment load, shortens the processing time of power transmission and transforming equipment exception, quickly eliminates existing failure, improves operation of power networks efficiency.
Description of the drawings
Fig. 1 is that the power transmission and transformation equipment state anomalous identification of the present invention and the flow of plan for emergency handling automatic push method are shown It is intended to.
Fig. 2 is the design structure diagram of emergency management prediction scheme storehouse.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit The fixed present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method, including with Lower step:
Step 1:Establish emergency plan for accidents library;
Step 2:The exception of monitoring and identification power transmission and transforming equipment, by anomalous event storage to unit exception event buffer team In row, and inspection management is carried out to the queue of unit exception event buffer, deletes the anomalous event of failure;
Step 3:Each accident prediction in emergency plan for accidents library is checked one by one, is judged that every accident prediction is associated and is set Whether standby and corresponding Exception Type is present in anomalous event buffer queue, if not existing simultaneously, not triggering following mistake Journey takes out the drawing road sequence defined in prediction scheme, automatic start draws road control, into prediction scheme automatic push flow if existing simultaneously;
As shown in Fig. 2, in the step 1, it is pre- including event emergency preplan table, accident emergency to establish emergency plan for accidents library Case device relationships table, accident emergency draw road sequence table.
In the step 1, the overall information of accident emergent management prediction scheme defined in emergency plan for accidents table, including prediction scheme ID, title, description, associate device quantity, sequence draw way amount etc., and emergency plan for accidents table is pre- by prediction scheme ID and accident emergency Case device relationships table, accident emergency draw road sequence table association.
In the step 1, the associated faulty equipment letter of triggering prediction scheme defined in emergency plan for accidents device relationships table Breath, associated with accident prediction is usually that one group of equipment draws road when all devices are abnormal in group by accident emergency Sequence table starts automatically draws road control, into prediction scheme automatic push flow.Associated equipment source is in busbar, exchange line segment, change Three kinds of device types of depressor.
In the step 1, accident emergency, which is drawn, needs opening for automatic drawing road when the emergency processing of accident defined in the sequence table of road Information is closed, a prediction scheme corresponds to the roads a Zu La sequence, and the switch models of control derive from breaker table.
In the step 2, the anomaly monitoring of power transmission and transforming equipment includes:The out-of-limit monitoring of busbar grounding monitoring, busbar voltage, Busbar voltage fluctuation monitoring, the monitoring of device current overload, transformer overload ability monitor that this 5 class monitors method, right by them Busbar, exchange line segment, transformer are monitored, when an abnormality is discovered, anomalous event are stored in unit exception event buffer queue In, storage content includes device type, device identification, Exception Type, time of origin.
In addition, since single prediction scheme needs multiple equipment while meeting exceptional condition just can to match, and the prison of equipment state Survey process is asynchronous process, it is therefore desirable to establish unit exception event buffer queue, every exception is taken out from buffer queue Event checks that each Time To Event, whether more than setting time, moves it if being more than with current time difference from caching It removes, is not re-used as the foundation of accident prediction judgement, thus need to manage anomalous event in anomalous event buffer queue in step 2, The anomalous event of failure is deleted in time.
In an embodiment of the present invention, the recognition methods of the busbar grounding is as follows:Obtain busbar three-phase voltage simultaneously Three-phase imbalance value is calculated, when Voltage unbalance value is more than 15%, is judged as busbar grounding;The out-of-limit knowledge of the busbar voltage Other method is as follows:Busbar real-time voltage crosses upper and lower limits and is then judged as voltage out-of-limit;The identification of the busbar voltage fluctuation Method is as follows:In real time obtain busbar voltage same day maxima and minima, and calculate it is upward poor between current value and maximum value Value calculates the downward difference between current value and minimum value, when maxima and minima difference is more than the 4.1% of rated voltage When, it is judged as that busbar voltage fluctuation is critical out-of-limit, when being more than the 5% of rated voltage, is judged as that busbar voltage fluctuation is out-of-limit;It is described The recognition methods of device current overload is as follows:The current value of real-time monitoring wire or main transformer equipment, when current loading rate reaches volume Constant current 90% when be judged as critical out-of-limit, be judged as out-of-limit when reaching 100%, be judged as when reaching 110% serious out-of-limit; The recognition methods of the transformer overload ability is as follows:The ratio of monitoring main transformer high-pressure side winding power and main transformer capacity in real time, And corresponding threshold value is set according to temperature, ratio is judged as main transformer overload when being more than corresponding threshold.
In a kind of specific embodiment of the present invention, in shown step 3, two conditions need to be met by defining prediction scheme S:1) line Road L electric currents are critical out-of-limit;2) busbar B line voltages are out-of-limit, and whether prediction scheme needs to check same in anomalous event buffer queue when checking When there are " critical out-of-limit " event of circuit L and " voltage out-of-limit " events of busbar B, if not existing simultaneously, after not triggering Continuous process, if existing simultaneously, prediction scheme successful match takes out the drawing road sequence defined in prediction scheme, and automatic start draws road control, into Enter prediction scheme automatic push flow.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (4)

1. a kind of power transmission and transformation equipment state anomalous identification and plan for emergency handling automatic push method, it is characterised in that:Including with Lower step:
Step 1:Establish emergency plan for accidents library;The emergency plan for accidents library includes emergency plan for accidents table, accident emergency Prediction scheme device relationships table, accident emergency draw road sequence table;Triggering prediction scheme defined in the emergency plan for accidents device relationships table Associated faulty equipment information, associated with accident prediction is one group of equipment;
Step 2:The exception of monitoring and identification power transmission and transforming equipment, anomalous event is stored into unit exception event buffer queue, And inspection management is carried out to the queue of unit exception event buffer, check each Time To Event and current time difference whether be more than Setting time deletes the anomalous event of failure if removing it from caching more than if;
Step 3:Check each accident prediction in emergency plan for accidents library one by one, judge the associated equipment of every accident prediction and Whether corresponding Exception Type is present in anomalous event buffer queue, when all devices are abnormal in group, passes through Accident emergency draws road sequence table to start automatically and draws road control, into prediction scheme automatic push flow.
2. a kind of power transmission and transformation equipment state anomalous identification according to claim 1 and plan for emergency handling automatic push side Method, it is characterised in that:In the step 1, the overall information of accident emergent management prediction scheme defined in emergency plan for accidents table, packet Prediction scheme ID, title, description, associate device quantity, sequence drawing way amount are included, emergency plan for accidents table is answered by prediction scheme ID with accident Anxious prediction scheme device relationships table, accident emergency draw road sequence table association.
3. a kind of power transmission and transformation equipment state anomalous identification according to claim 1 and plan for emergency handling automatic push side Method, it is characterised in that:In the step 1, accident emergency needs automatic draw when drawing the emergency processing of accident defined in the sequence table of road The switching information on road, a prediction scheme correspond to the roads a Zu La sequence, and the switch models of control derive from breaker table.
4. a kind of power transmission and transformation equipment state anomalous identification according to claim 1 and plan for emergency handling automatic push side Method, it is characterised in that:In the step 2, identification object includes busbar, exchange line segment, transformer;Identify that content includes busbar Ground connection identification, the out-of-limit identification of busbar voltage, busbar voltage fluctuation identification, the identification of device current overload, transformer overload ability are known Not.
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CN108765893A (en) * 2018-06-06 2018-11-06 广东电网有限责任公司 A kind of power failure alarm method and system based on metering automation system
CN109062993A (en) * 2018-07-04 2018-12-21 深圳供电局有限公司 A kind of offline electric network fault Response project generation method and its device
CN110378581A (en) * 2019-07-03 2019-10-25 中国铁道科学研究院集团有限公司电子计算技术研究所 Railway passenger station and passenger train emergency rating installations and facilities configuration method and device

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