CN107124037A - A kind of intelligent substation inspection system and error comprehensive diagnosis method based on multi-data source - Google Patents
A kind of intelligent substation inspection system and error comprehensive diagnosis method based on multi-data source Download PDFInfo
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- CN107124037A CN107124037A CN201710238597.7A CN201710238597A CN107124037A CN 107124037 A CN107124037 A CN 107124037A CN 201710238597 A CN201710238597 A CN 201710238597A CN 107124037 A CN107124037 A CN 107124037A
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Abstract
The invention discloses a kind of intelligent substation inspection system based on multi-data source and error comprehensive diagnosis method, it includes online monitoring data source in primary equipment intelligent inspection system, secondary device intelligent inspection system and station and is connected by secure communication of network Transmission system in station with Integrated Services Digital platform;Solve prior art presence can not replace existing manual inspection completely;The target is not implemented in existing cruising inspection system, can only be used as auxiliary inspection means, it is still desirable to artificial to participate in;Inspection results abnormity diagnostic method is unilateral in existing cruising inspection system;Monitoring system is merely possible to data display and used, and does not carry out being effectively combined comprehensive descision with inspection result data;When breaker vision operation is guarded in existing cruising inspection system, influenceed by boisterous, it is seen that photo-beat is according to can not accurately recognize breaker splitting or integrating state, and to consistency operation, personnel interfere, or even cause the technical problems such as maloperation.
Description
Technical field
The invention belongs to intelligent substation patrol technology, more particularly to a kind of intelligent substation patrol based on multi-data source
System and error comprehensive diagnosis method.
Background technology
With the development of the society, the power system in worldwide develops towards the direction interconnected on a large scale turns into one
Plant inexorable trend.Whole power system realizes networking interconnection, and the safe and stable operation of system but faces huge challenge, can
Meaning is pulled one hair and move the whole body.For whole bulk power grid, some equipment of transformer station is negligible, a just like drop in the ocean, so
And its effect played is very important, major break down is often caused by no discovery in time or handles minor accident in time,
Cause chain reaction occur, fault coverage expands rapidly, cause a wide range of ionization system to be absorbed in collapse.Electric energy to national economy and
The daily life of the people has vital effect, and network system breaks down, and will bring immeasurable loss,
Have a strong impact on normal production and living.Power transmission and transformation system is the key components of network system, the safety of substation equipment, can
It is most important to the running quality for ensureing whole defeated change system by running.With the development of science and technology, to equipment in network system
The performance requirement of each side has been also raised to a new high degree, and the performance level of substation equipment directly influences network system
Stability, reliability, security and the ability for resisting accident.The reliable and secure operating for ensureing equipment has been a significant task,
Therefore to pay much attention to the monitoring and management of substation equipment, carry out the inspection, tour, real-time monitoring work of substation equipment,
Potential danger is excluded in time, is the most important thing for ensureing transformer station's stable operation.
Therefore, periodical inspection is for ensureing that it is most important that Substation Electric Equipment is normally run.At present, electricity grid substation area
The task in domain about 40% is inspection, also patrols special dimension task not comprising spy among these, and for a long time, substation inspection
Work is carried out using manual type, manual inspection mode do not only exist labor intensity big, inefficiency, detection mass-dispersion,
Means are single and by deficiencies such as micro-judgments, and afterwards also can not accurately and timely be sent to the result of manual inspection
In management information system, with the popularization of unattended Substation, incident is inspecting substation equipment workload
Increasing, cyclic in-position measuring rate, promptness can not more be guaranteed.
In recent years, with the development of science and technology, it is portable as the transformer station of representative using transformer station's moving data acquisition device
Inspection device occurs successively, it is already possible to realize that the daily tour of transformer station, infrared measurement of temperature, the front and rear equipment state inspection of operation etc. are patrolled
Work is examined, so that the operating efficiency and quality to substation equipment patrol are greatly improved, reduction personnel labor intensity and work wind
Danger, lifts intelligent substation level, provides powerful technical support for the unmanned inspection of transformer station, transformer station intelligent robot is
Through the important supplementary means as inspecting substation equipment.
Unattended operation transformer station is the trend of current intelligent substation development, but current intelligent substation inspection system is still
There is many deficiencies, specifically have:
A) examined in determination is imperfect in existing cruising inspection system, and inspection means are insufficient, it is impossible to replace existing manual inspection completely;
The target is not implemented in existing cruising inspection system, can only be used as auxiliary inspection means, it is still desirable to artificial to participate in.
B) inspection results abnormity diagnostic method is unilateral in existing cruising inspection system.All cruising inspection systems only pass through inspection terminal
Immediate data provide inspection result, although employ SCADA, mis system, but these systems are also merely possible to data display
Use, do not carry out being effectively combined comprehensive descision with inspection result data, and merely with above-mentioned isolated, unilateral data
The inspection conclusion derived is probably to have misleading, unscientific.
C) when breaker vision operation is guarded in existing cruising inspection system, influenceed by boisterous, it is seen that photo-beat is according to simultaneously
Breaker splitting or integrating state can not accurately be recognized, personnel interfere to consistency operation, or even cause maloperation.
The content of the invention:
The technical problem to be solved in the present invention is:A kind of intelligent substation inspection system based on multi-data source is provided and synthesis is examined
Examined in determination is imperfect in disconnected method, the cruising inspection system to solve prior art presence, and inspection means are insufficient, it is impossible to take completely
For existing manual inspection;The target is not implemented in existing cruising inspection system, can only be used as auxiliary inspection means, it is still desirable to artificial ginseng
With;Inspection results abnormity diagnostic method is unilateral in existing cruising inspection system.All cruising inspection systems only pass through the direct of inspection terminal
Data provide inspection result;Monitoring system is merely possible to data display and used, and is not carried out with inspection result data effective
Combination comprehensive descision;When breaker vision operation is guarded in existing cruising inspection system, influenceed by boisterous, it is seen that photo-beat
According to can not accurately recognize breaker splitting or integrating state, to consistency operation, personnel interfere, or even cause the technologies such as maloperation
Problem.
Technical solution of the present invention:
A kind of intelligent substation inspection system based on multi-data source, it includes primary equipment intelligent inspection system, secondary device
Online monitoring data source is put down by secure communication of network Transmission system in station and Integrated Services Digital in intelligent inspection system and station
Platform is connected.
Integrated Services Digital platform is connected with outer backstage expert diagnostic system of standing.
The inspection content of the primary equipment intelligent inspection system includes outdoor primary equipment and indoor primary equipment information;
Primary equipment intelligent inspection system includes fixing camera inspection terminal and wheel type mobile inspection terminal;The wheel type mobile inspection
Equipped with visual light imaging instrument, infrared thermography, ultraviolet imager, sound pick-up and video monitoring camera in terminal, realize
Visible ray is taken pictures, infrared measurement of temperature, ultraviolet imagery, video monitoring, vocal print acquisition function;Visual light imaging instrument gathers converting station instrument
Disk data;Infrared thermography collecting device temperature profile data;Ultraviolet imager gathers transformer station's corona and arcing conditions;Pick up
Sound device gathers transformer and switch cubicle abnormal noise;Video monitoring camera is shot to equipment flicker state;The fixation
Camera inspection terminal be arranged on wheel type mobile inspection terminal can not inspection dead zone;The fixing camera inspection terminal
Including visible light camera, infrared temperature-test sensor and video monitoring camera;Visible light camera shoots primary equipment outward appearance
Situation, infrared temperature-test sensor realizes that the winding temperature of primary equipment, connector temperature are measured, and video monitoring camera is to one
The status indicator lamp of secondary device band flicker is monitored.
The secondary device intelligent inspection system includes pulley-type and moves inspection terminal and fixing camera inspection terminal;Institute
State and visual light imaging instrument and video monitoring camera are installed in pulley-type movement inspection terminal;The fixing camera inspection is whole
End includes visual light imaging instrument and video monitoring camera, and it is arranged on the monitoring dead angle that pulley-type moves inspection terminal, secondary
The realization of device intelligence cruising inspection system is patrolled by secondary device progress example and spy patrols.
Online monitoring data source includes SCADA system, mis system, fault recording system, prudential sub-station system in the station
System, security protection firefighting monitoring system, primary equipment on-line monitoring system and environmental monitoring system.
Secure communication of network Transmission system includes network communication transmission system in station, uni-directional physical isolating device and prevented in standing
Wall with flues device.
Integrated Services Digital platform includes multi-data source data communication server, the taxonomic structure of multi-data source data and deposited
Storage system, backstage expert diagnostic system and work station is applied, multi-data source data communication server is connected with using work station, many
The data source data communication server and application work station are connected with backstage expert diagnostic system.
A kind of error comprehensive diagnosis method of described intelligent substation inspection system based on multi-data source, it includes:
Step 1:Primary equipment intelligent inspection system obtains breaker, disconnecting link position, all kinds of instrument in inspection on daytime primary equipment
Data, UV corona data, and transformer, high-voltage combined electrical apparatus, set pipe insulation, current transformer, capacitor voltage mutual inductance
Device, coupled capacitor device, the apparent condition of iron core grounding and arrester;
Step 2:Primary equipment intelligent inspection system inspection primary equipment at night, obtains breaker, disconnecting link, transformer, high pressure
Combined electrical apparatus, set pipe insulation, current transformer, capacitance type potential transformer, coupled capacitor device, iron core grounding, arrester are related
The temperature distribution information of position;
Indicator lamp, pressing plate and the switching information of step 3, secondary device intelligent inspection system inspection secondary device;
Step 4, Integrated Services Digital platform by online monitoring data source in secure communication of network Transmission system reader station in station,
Including existing SCADA system, mis system, fault recording system, prudential sub-station system, security protection fire fighting monitoring system in convergence station
The data message of system, primary equipment on-line monitoring system and environmental monitoring system;
Step 5, the patrol task comprehensive modeling based on multi-data source, carry out data correlation;
Step 6, the correlation model according to step 5, based on multi-source system mass data, carry out the abnormal comprehensive of inspection project
Diagnostic operation.
Breaker, disconnecting link position know method for distinguishing and are:It is infrared under the inadequate extreme case of visible mode recognition capability
Thermal imaging is embodied in as the stastus format that breaker, disconnecting link are run jointly is determined whether:In breaker, disconnecting link closure feelings
Under condition, the breaker, disconnecting link two ends and middle interconnecting piece are divided into similar temperature value;And under disconnection, due to not depositing
In intermediate connector, then breaker, the center section at disconnecting link two ends are normal air themperature, and the temperature at two ends is high;By this
Feature can distinguish the on off state of breaker, disconnecting link, and the further supplement of location status is recognized as visible ray, and realization is carried
High breaker, the accuracy of disconnecting link position identification.
Beneficial effects of the present invention:
The present invention proposes a kind of intelligent substation inspection system and error comprehensive diagnosis method based on multi-data source;The system is with once
Based on device intelligence cruising inspection system, secondary device intelligent inspection system, with reference to fixed camera inspection terminal, stand in it is online
Monitoring data source(Including but not limited to SCADA, MIS, environmental monitoring system, security protection firefighting monitoring system), interior network security of standing
Telecommunication transmission system, forms the Integrated Services Digital platform of the convergence of multi-data source, and the data platform content covers once, secondary
All inspection projects of equipment;Meanwhile, the magnanimity converged by backstage expert diagnostic system to above-mentioned Integrated Services Digital platform is more
Source data is analyzed, and carries out comprehensive analysis by the inspection device diagnostic model based on multi-data source, and completion is set to inspection
The standby reliable fault diagnosis of intelligence, and form the linkage early warning mechanism of inspection device failure, realize to transformer running status,
The overall monitor of healthy trend, existing artificial operation can be replaced completely, the unmanned inspection of transformer station is really realized.
Advantages of the present invention:
1st, solving current intelligent inspection system can only patrol as the problem for aiding in inspection means, realization to whole station electrical primary equipment
Inspection, secondary device inspection, really realize the unmanned inspection of intelligent substationization,
The present invention is taken pictures by integrated ultraviolet imagery, infrared measurement of temperature, visible light video, many sensing primary equipment intelligence of Application on Voiceprint Recognition
Can cruising inspection system, secondary device intelligent inspection system, fixing camera inspection terminal, stand interior online monitoring data source, polyphyly
System collection covering whole station primary equipment, all tour contents of secondary device, really realize the intelligent unmanned inspection of transformer station, thorough
Bottom replaces manual inspection;
2nd, breaker, the means of supplementing out economy of disconnecting link position are recognized using infrared measurement of temperature as visible ray, in the extreme circumstances can accurately
Breaker, disconnecting link location status are recognized, powerful guarantee is provided for the video monitoring of breaker operator.
3rd, by inspection expert system, integrated diagnosing and analyzing is carried out to inspection content, inspection result science is reliable.
Abnormity diagnosis correlation model of the invention by setting up science, magnanimity of the depth analysis based on above-mentioned multi-source system is patrolled
Data are examined, make inspection result more accurately and reliably.
Solve prior art presence cruising inspection system in examined in determination it is imperfect, inspection means are insufficient, it is impossible to completely
Replace existing manual inspection;The target is not implemented in existing cruising inspection system, can only be used as auxiliary inspection means, it is still desirable to artificial
Participate in;Inspection results abnormity diagnostic method is unilateral in existing cruising inspection system.All cruising inspection systems only pass through the straight of inspection terminal
Connect data and provide inspection result;Monitoring system is merely possible to data display and used, and is not had with inspection result data
The combination comprehensive descision of effect;When breaker vision operation is guarded in existing cruising inspection system, influenceed by boisterous, it is seen that light
Breaker splitting or integrating state can not accurately be recognized by taking pictures, and to consistency operation, personnel interfere, or even cause the skills such as maloperation
Art problem.
Brief description of the drawings
Fig. 1 is overall system architecture schematic diagram of the invention.
Embodiment:
A kind of intelligent substation inspection system based on multi-data source, it includes primary equipment intelligent inspection system, primary equipment
Online monitoring data source is transmitted by secure communication of network in station in intelligent inspection system, secondary device intelligent inspection system and station
System is connected with Integrated Services Digital platform.
Isolated in standing between online monitoring data source and secure communication of network Transmission system in station by isolating device.
Integrated Services Digital platform passes through network connection with outer backstage expert diagnostic system of standing.
Wherein Integrated Services Digital stage+module is arranged on Substation Station end in control centre, other systems and device.
Primary equipment intelligent inspection system inspection content is outdoor primary equipment, the indoor primary equipment letter of larger space
Breath, including wheel type mobile inspection terminal(It is a set of or more), fixing camera inspection terminal(Configured by actual conditions).
Above-mentioned wheel type mobile inspection terminal carries out navigator fix using the laser radar sensor carried, can be according to setting in advance
Fixed path is carried out in patrol task, the inspection terminal equipped with high definition visual light imaging instrument, infrared thermography, ultraviolet imagery
Instrument and sound pick-up, achievable visible ray is taken pictures, infrared measurement of temperature, ultraviolet imagery, video monitoring, vocal print acquisition function.Visible ray into
As instrument mainly gathers transformer station's dial plate data, infrared thermography collecting device temperature data, ultraviolet imager collection transformer station
Corona, arcing conditions, can degree be mutual with there was dampness in the air to the filthy accumulation degree of transforming plant primary equipment further after analysis
Electric discharge caused by effect carries out early warning, and sound pick-up collection compares transformer, switch cubicle abnormal noise, then gathered respectively corresponding
Data, video monitoring carries out differentiation instruction to partly flickering state.Wheel type mobile inspection terminal passes through network communication and transmission in station
Inspection data are sent to backstage expert diagnostic system by system.
To reach that wheel type mobile inspection terminal selects example in the inspection requirement of primary equipment intelligent inspection system, the present invention
It is as follows:
Exercise performance:Maximum travel speed is not less than 1m/s;Minimum turning diameter is not more than 2 times of its own length;In 1m/
Under s movement velocity, minimum braking distance should be not more than 0.5m;Climbing capacity should be not less than 30 degree;Maximum height of surmountable obstacle is
5cm。
Head performance:Preset bit quantity is not less than 2000;Vertical range 0 degree~+90 is spent;Horizontal extent not less than ±
170 degree.
Self-navigation performance:Repeat navigation positioning error and be not more than ± 10mm.
Can be by light device Monitoring Performance:Uploaded videos resolution ratio is not less than high definition 1080P;Minimum optics zoom magnification 30
Times.
Infrared detection equipment performance:Infrared measurement of temperature precision is not less than ± 5%;Infrared detection equipment imaging resolution is not less than
320×240;
UV detection devices require that ultraviolet luminous sensitivity is not less than 3 × 10-18watt/cm2;Visual field(HxV)24°×18°;Imaging
Camera lens F32.8mm, F/3.5;Video resolution 720 × 576;Frame frequency is not less than 25 frames/s.
Above-mentioned fixing camera inspection terminal solve some wheel type mobile inspection terminals in station can not normal inspection it is dead
Angle strip is detected, fixing camera and sensor is installed in the position that can cover above-mentioned dead zone, regularly to damned
Angle strip carries out detection data acquisition, and the partial data is taken pictures including visible ray, infrared measurement of temperature, video monitoring, wherein visible ray
Video camera shoots primary equipment visual condition, and infrared measurement of temperature realizes that the winding temperature of primary equipment, connector temperature are measured, depending on
Frequency monitoring is measured to the status indicator lamp that primary equipment band flashes, and above-mentioned data are uploaded into Integrated Services Digital in real time
Platform, coordinates wheel type mobile inspection terminal, completes the inspection data acquisition all standing of primary equipment in transformer station, and reduces inspection
Equipment cost.
Particularly, the present invention can install fixing camera inspection terminal in following example:Space is smaller, have safety and patrol
The primary equipment of hidden danger, such as station change equipment, indoor reactor arrangement.
Further, the primary equipment intelligent inspection system inspection can provide a kind of raising outdoor breaker, disconnecting link position
The method for putting identification accuracy.Outdoor breaker in current cruising inspection system, disconnecting link position is identified by can be by light video camera head
Take pictures, then carry out image recognition to realize, but this method is disturbed larger by extraneous natural environment, it is severe in dense fog, heavy rain etc.
Under the conditions of, it is seen that the accuracy that photo-beat is shone is substantially reduced, or even can not accurately judge current breaker, disconnecting link position.This
In the case of, photo-beat according to combination infrared thermal imaging can be combined comprehensive descision breaker, disconnecting link position by the system using a kind of
Method, under the inadequate extreme case of visible mode recognition capability, infrared thermal imaging can as determine whether breaker,
The stastus format that disconnecting link is run jointly, is embodied in:Under breaker, disconnecting link closure situation, the breaker, disconnecting link two ends and in
Between coupling part be similar temperature value;And under disconnection, due in the absence of intermediate connector(This part is air), then
Breaker, the center section at disconnecting link two ends are normal air themperature(Temperature is low), the temperature height at two ends.Can be with by this feature
The on off state of breaker, disconnecting link is distinguished, the further supplement of location status is recognized as visible ray, breaker, knife is improved
The accuracy of gate position identification.
Secondary device intelligent inspection system first in integrated station secondary device intelligent patrol detection function, stand in secondary device peace
, there is screen cabinet and intensive, narrow space be installed, be unfavorable for the deployment of above-mentioned wheel type mobile inspection terminal in the cell in station, meanwhile,
It is larger to there is volume in wheel type mobile inspection terminal, it is impossible to which flexible, indoor collection can produce focusing failure, the too small nothing in visual angle when taking pictures
The risk of method exact identity information.To complete the tour of secondary device running status, the present invention is adopted using slide rail type mobile data
Collect terminal combination fixing camera inspection terminal and complete patrol task, for the state of electrical equipment(Including operation, failure, electricity
Source, protection act are indicated and pressing plate, instrument etc.)It is identified, and is by secure communication of network transmission in station by recognition result
System is automatic to be uploaded to Integrated Services Digital platform and starts backstage expert diagnostic system progress inspection content fault diagnosis.
Secondary device intelligent inspection system includes pulley-type movement inspection terminal, fixing camera inspection terminal.Wherein slide
Wheel type mobile inspection terminal is made up of slide rail, flexible framework, visible image capturing head, power unit, according to patrol task to secondary
Example is patrolled, spy patrols for equipment progress;The present invention will be in indoor locations such as the interior each relay protection cell in station, communication cell, dc source rooms
Secondary device intelligent inspection system.To reach slide rail type inspection in the inspection requirement of secondary device intelligent inspection system, the present invention
Terminal is as follows from example:
Head performance:Preset bit quantity is not less than 2000;Vertical lift distance is not less than 2m;Vertical range 0 degree~+60 is spent;
Horizontal extent is not less than ± 90 degree.
Visible detection equipment performance:Uploaded videos resolution ratio is not less than 720x576;Minimum 5 times of optics zoom magnification;
Self-navigation performance:Repeat navigation positioning error and be not more than ± 20mm;
Fixing camera inspection terminal is similar with fixing camera inspection terminal in above-mentioned primary equipment intelligent inspection system, when two
Secondary device cell due to physical arrangement environment can not normal mounting pulley-type movement inspection terminal when, install in place solid
Determine camera and sensor, visible light shooting regularly is carried out to the dead zone, carry out secondary device supplement inspection.Present invention choosing
Example with fixing camera inspection terminal is as follows:Beam structure is complex indoors, it is impossible to install pulley-type movement inspection
During terminal;Secondary device is considerably less indoors, it is not necessary that install pulley-type movement inspection terminal, is cost-effective, can use solid
When determining camera inspection terminal replacement;
Network communication transmission system includes cordless communication network and wireline communication network in standing.Cordless communication network uses IEEE
The wireless product of 802.11g, n standard, is covered using one or more unlimited AP to substation network, meanwhile, in inspection
Arrange that a technical grade wireless aps, as client, are connected, vehicle-mounted network is set with the wireless aps in station on data collection station
It is standby all to be accessed by the client in the interior wireless network that arrives at a station.Also, when there is multiple AP in region of patrolling and examining, " zero switching
Roaming " function can make multiple AP constitute an AP network, and now, wheel type mobile inspection terminal can be roamed in any place,
And handover operation need not be performed, realize that wheel type mobile inspection terminal is connected in the seamless holding of whole region of patrolling and examining and client;
Other outdoor pick-ups head, indoor slide rail type inspection terminal use finite element network mode, and laying inspection terminal is arrived at a station between interior master control building
Fiber optic network passage.Cordless communication network embodiment is commonly in the present invention:To ensure that good wireless network covers effect
Really (it is embodied in real-time high-definition video and plays smooth), is used on voltage class (110kV, 220kV and 500kV) transformer station
One wireless aps, will be using two wireless aps for voltage class 1000kV transformer stations.Wireline communication network makes in the present invention
It is as follows with example:When indoor group screen interchanger has usable interface, the group screen interchanger can be used directly, when no usable interface
When, it need to additionally increase communication switchboard;When interchanger only has optical interface, because secondary device cruising inspection system terminal is power network
Mouth is, it is necessary to increase corresponding optical-electrical converter.
Online monitoring data source mainly includes existing SCADA system in convergence station, mis system, failure record in the station
Wave system system, prudential sub-station system, security protection firefighting monitoring system, primary equipment on-line monitoring system, environmental monitoring system correlation letter
Breath forms multi-data source.Data wherein from SCADA system acquisition are mainly included based on electrical quantity:Electric current, voltage, temperature,
The real time datas such as frequency and event, it is abnormal, out-of-limit, the status data such as conjugate, inform;From fault recording system, protect letter system
Middle acquisition protection event, protection act file such as average information node file, failure wave-recording fileinfo;It is online from primary equipment
The data that monitoring system is obtained primarily focus on the status monitoring information of primary equipment, mainly include:Solution gas in transformer oil
Micro- water monitoring, partial discharge monitoring, sleeve pipe insulating monitoring, iron core grounding current monitoring, cooler fan and oil in body monitoring, oil
Pump monitoring, temperature load monitoring, load ratio bridging switch monitoring, protection device monitoring, transformer vibrational spectrum and noise monitoring;It is disconnected
Road device and high-voltage combined electrical apparatus (GIS) status monitoring, GIS partial discharge monitoring, SF6 gas density is and micro- water monitoring, GIS rooms
SF6 gases leakage monitoring, lightning arrester insulation monitoring, the monitoring of SF6 gases isolate, breaker operating characteristic monitoring;Current Mutual Inductance
Device (CT) insulating monitoring, capacitance type potential transformer (CVT) insulating monitoring, coupled capacitor device (OY) insulating monitoring, arrester are exhausted
Edge is monitored;Obtaining related data in slave station in security protection firefighting monitoring system has:Gate inhibition's state, fence situation, smog, fire
Situation etc.;Related environmental data, including temperature, humidity, rainfall, wind direction, wind-force, air pressure are obtained from environmental monitoring system
Deng.
Secure communication of network Transmission system includes network communication transmission system in station, uni-directional physical isolation dress in the station
Put, firewall device, meet " security partitioning, network-specific, lateral isolation, the longitudinal certification " of electric power monitoring system security protection
The overall principle.Transmission uses unidirectional physical isolation apparatus, production between wherein production control great Qu and information management great Qu
Data transfer uses firewall device between I areas, II areas inside control great Qu.Cruising inspection system is intended being arranged on transformer station in the present invention
Information management great Qu (safe III areas), for being both that the system in III areas will carry out data by fire wall and pass through.On to then I
Area, the system in II areas, such as SCADA system, failure wave-recording protect letter system, video monitoring system for substation, will pass through unidirectional thing
Reason isolating device carries out data and passed through.
The Integrated Services Digital platform includes multi-data source data communication server, the taxonomic structure of multi-data source data
Change storage system, backstage expert diagnostic system, using work station.Data communication server real-time reception primary equipment intelligent patrol detection
System, secondary device intelligent inspection system, interior online monitoring data source of standing(Including existing SCADA system, MIS in convergence station
System, fault recording system, prudential sub-station system, security protection firefighting monitoring system, primary equipment on-line monitoring system, environmental monitoring
System)The related monitoring information data of substation equipment.The taxonomic structure storage system of multi-data source data is by counting greatly
Classification is carried out to the multi-source data of polymerization according to analysis method to handle with structuring, and related data is merged, realize data
Science is stored in management.Backstage expert diagnostic system according to the characteristic of substation equipment to carrying out diagnostic model foundation, using many
Source data carries out the health status diagnosis of substation equipment, generation unit exception report, while entering to equipment sound development trend
Row statistical analysis, generation equipment early warning report, realizes the comprehensive diagnostic to equipment state.Transported using work station for backstage host computer
Row platform, for the interface display of backstage expert's substation system, man-machine interaction.Integrated Services Digital platform can pass through electric power simultaneously
The multiple backstage expert diagnostic systems of integrated data network designated lane configuration connection, show expert diagnosis system in backstage in each station in real time
The inspection data of system, comprehensive diagnos result simultaneously can distally realize that setting, control of backstage expert diagnostic system etc. are grasped in station
Make.
The comprehensive diagnos side of inspection result reliability is improved in a kind of intelligent substation inspection system based on multi-data source
Method, it is made up of following steps:
Step one:Primary equipment intelligent patrol detection terminal inspection on daytime correlation primary equipment, obtains breaker, disconnecting link position, all kinds of
Instrumented data, UV corona data, and transformer, high-voltage combined electrical apparatus, set pipe insulation, current transformer, capacitor voltage
Transformer, coupled capacitor device, iron core grounding, the apparent condition of arrester.
Step 2:Primary equipment intelligent patrol detection terminal evening inspection correlation primary equipment, obtains breaker, disconnecting link, transformation
It is device, high-voltage combined electrical apparatus, set pipe insulation, current transformer, capacitance type potential transformer, coupled capacitor device, iron core grounding, lightning-arrest
The temperature distribution information of device key position.
Step 3:Indicator lamp, pressing plate, the switching information of secondary device intelligent patrol detection terminal inspection correlation secondary device.
Step 4:Integrated Services Digital platform is by network safe communication system reader station interior lines in station in monitoring data
Existing SCADA system, mis system, fault recording system, prudential sub-station system, security protection fire fighting monitoring in source, including convergence station
System, primary equipment on-line monitoring system, environmental monitoring system relevant information.
Step 5:Patrol task comprehensive modeling based on multi-data source, carries out data correlation, and whether such as breaker is abnormal,
Need while associating the breaker actual position information in primary equipment inspection result, breaker pressure gauge in breaker operation cabinet
Information, breaker temperature information, breaker key position EUV discharge information;Secondary device inspection consequent interruption road device closure,
Open position information, related indicator lamp information;Load current information in SCADA system, circuit breaker position is opened into information;Open circuit
Circuit breaker internal status information in device primary equipment on-line monitor etc..Related data, which is divided, to be judged to circuit-breaker status
Class, can be divided into critical data and influence data.Wherein critical data includes breaker actual position information(S_pos), breaker
Closure, open position information(S_onoff), circuit breaker position opened into information(S_inout), influence data to include open-circuit operation case
Middle breaker pressure gauge(S_pressure), breaker key position EUV discharge(S_discharge), in SCADA system
Load current information(S_current).The collective model that breaker judges extremely is described as follows:
When judging circuit-breaker status by breaker key parameter for malfunction, warning message is directly produced;If logical
Cross breaker key parameter to judge circuit-breaker status when being normal condition, then affecting parameters are analyzed and then open circuit is judged
The health status of device.
Step 6:According to above-mentioned correlation model, based on multi-source system mass data, the exception of inspection project is carried out
Comprehensive diagnos is operated.Such as can not be according to according to result photo-beat can directly being exported into circuit breaker position state, but first will be in association mould
Breaker splitting or integrating location status in corresponding project, including breaker infrared measurement of temperature data, breaker operation cabinet is searched in type,
Circuit breaker position is opened breaker load current size, breaker primary equipment in state, SCADA system and existed in SCADA system
The correlation behavior of breaker in line monitoring system;When all information are matched completely, the actual bit of breaker can be correctly reacted
Put, on the contrary, when partial information and other and when mismatching, further ascertain the reason, not only provide circuit breaker position alarm, simultaneously
Give the abnormality alarming of other systems;Similar, if temperature of oil in transformer is higher than history oil temperature, simply can not directly it export
Transformer oil temperature abnormality, but whether should be run well in combination with transformer load size in SCADA, fan, transformer
The abnormal conditions of primary equipment on-line monitoring system, the EUV discharge information summary of transformer key position assesses current oil temperature
Change, be due to caused by transformer exception reason, or because caused by load variations, or transformer field environment
Change causes insulator arc-over to cause, and ultimately forms the comprehensive diagnos result of abnormal judgement.
Presently preferred embodiments of the present invention is the foregoing is only, within the spirit and principles of the invention, any modification for being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of intelligent substation inspection system based on multi-data source, it includes primary equipment intelligent inspection system, its feature
It is:Online monitoring data source passes through Intranet of standing in primary equipment intelligent inspection system, secondary device intelligent inspection system and station
Network secure communication Transmission system is connected with Integrated Services Digital platform.
2. a kind of intelligent substation inspection system based on multi-data source according to claim 1, it is characterised in that:It is comprehensive
Business datum platform is connected with outer backstage expert diagnostic system of standing.
3. a kind of intelligent substation inspection system based on multi-data source according to claim 1, it is characterised in that:It is described
The inspection content of primary equipment intelligent inspection system includes outdoor primary equipment and indoor primary equipment information;Primary equipment intelligence
Cruising inspection system includes fixing camera inspection terminal and wheel type mobile inspection terminal;In the wheel type mobile inspection terminal equipped with
Visual light imaging instrument, infrared thermography, ultraviolet imager, sound pick-up and video monitoring camera, realize visible ray take pictures, it is red
Outer thermometric, ultraviolet imagery, video monitoring, vocal print acquisition function;Visual light imaging instrument gathers converting station instrument disk data;Infrared heat
Imager collecting device temperature profile data;Ultraviolet imager gathers transformer station's corona and arcing conditions;Sound pick-up gathers transformation
Device and switch cubicle abnormal noise;Video monitoring camera is shot to equipment flicker state;The fixing camera inspection is whole
End be arranged on wheel type mobile inspection terminal can not inspection dead zone;The fixing camera inspection terminal is taken the photograph including visible ray
Camera, infrared temperature-test sensor and video monitoring camera;Visible light camera shoots primary equipment visual condition, infrared measurement of temperature
Sensor realizes that the winding temperature of primary equipment, connector temperature are measured, and video monitoring camera flashes to primary equipment band
Status indicator lamp be monitored.
4. a kind of intelligent substation inspection system based on multi-data source according to claim 1, it is characterised in that:It is described
Secondary device intelligent inspection system includes pulley-type and moves inspection terminal and fixing camera inspection terminal;The pulley-type movement
Visual light imaging instrument and video monitoring camera are installed in inspection terminal;The fixing camera inspection terminal includes visible ray
Imager and video monitoring camera, it is arranged on the monitoring dead angle that pulley-type moves inspection terminal, secondary device intelligent patrol detection
Secondary device progress example is patrolled for system realization and spy patrols.
5. a kind of intelligent substation inspection system based on multi-data source according to claim 1, it is characterised in that:It is described
Online monitoring data source includes SCADA system, mis system, fault recording system, prudential sub-station system, security protection fire-fighting prison in standing
Control system, primary equipment on-line monitoring system and environmental monitoring system.
6. a kind of intelligent substation inspection system based on multi-data source according to claim 1, it is characterised in that:In standing
Secure communication of network Transmission system includes network communication transmission system, uni-directional physical isolating device and firewall device in station.
7. a kind of intelligent substation inspection system based on multi-data source according to claim 1, it is characterised in that:It is comprehensive
Business datum platform includes multi-data source data communication server, the taxonomic structure storage system of multi-data source data, backstage
Expert diagnostic system and work station is applied, multi-data source data communication server is connected with using work station, multi-data source data
The communication server and application work station are connected with backstage expert diagnostic system.
8. a kind of error comprehensive diagnosis method of intelligent substation inspection system based on multi-data source as described in claim 1-7,
It includes:
Step 1:Primary equipment intelligent inspection system obtains breaker, disconnecting link position, all kinds of instrument in inspection on daytime primary equipment
Data, UV corona data, and transformer, high-voltage combined electrical apparatus, set pipe insulation, current transformer, capacitor voltage mutual inductance
Device, coupled capacitor device, the apparent condition of iron core grounding and arrester;
Step 2:Primary equipment intelligent inspection system inspection primary equipment at night, obtains breaker, disconnecting link, transformer, high pressure
Combined electrical apparatus, set pipe insulation, current transformer, capacitance type potential transformer, coupled capacitor device, iron core grounding, arrester are related
The temperature distribution information of position;
Indicator lamp, pressing plate and the switching information of step 3, secondary device intelligent inspection system inspection secondary device;
Step 4, Integrated Services Digital platform by online monitoring data source in secure communication of network Transmission system reader station in station,
Including existing SCADA system, mis system, fault recording system, prudential sub-station system, security protection fire fighting monitoring system in convergence station
The data message of system, primary equipment on-line monitoring system and environmental monitoring system;
Step 5, the patrol task comprehensive modeling based on multi-data source, carry out data correlation;
Step 6, the correlation model according to step 5, based on multi-source system mass data, carry out the abnormal comprehensive of inspection project
Diagnostic operation.
9. a kind of intelligent substation inspection system based on multi-data source according to claim 8, it is characterised in that:Open circuit
Device, disconnecting link position know method for distinguishing and are:Under the inadequate extreme case of visible mode recognition capability, infrared thermal imaging is as entering
One step judges the stastus format that breaker, disconnecting link are run jointly, is embodied in:Under breaker, disconnecting link closure situation, the open circuit
Device, disconnecting link two ends and middle interconnecting piece are divided into similar temperature value;And under disconnection, due in the absence of centre connection
Part, then breaker, the center section at disconnecting link two ends are normal air themperature, and the temperature at two ends is high;Can be with area by this feature
Separate the on off state of breaker, disconnecting link, as visible ray recognize location status further supplement, realize improve breaker,
The accuracy of disconnecting link position identification.
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