CN108414877A - One kind to transformer fault for carrying out pre-warning system and method - Google Patents
One kind to transformer fault for carrying out pre-warning system and method Download PDFInfo
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- CN108414877A CN108414877A CN201810233163.2A CN201810233163A CN108414877A CN 108414877 A CN108414877 A CN 108414877A CN 201810233163 A CN201810233163 A CN 201810233163A CN 108414877 A CN108414877 A CN 108414877A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses one kind to be used to carry out pre-warning system to transformer fault, including：Multiple data monitoring nodes, each data monitoring node include multiple monitoring devices, and each monitoring device is used to monitor the relevant state parameter of operating status with the transformer belonged to；Data capture unit, the relevant all state parameters of operating status of the transformer for obtaining and belonging to；Data analysis unit carries out data analysis, the performance rate of each state parameter for all state parameters to each transformer；Failure diagnosis unit, operation standard for determining each state parameter, it is scored the performance rate of each state parameter according to the operation standard of each state parameter, and determines that transformer whether there is failure and fault type according to the scoring of at least one state parameter in all state parameters；And the mark of transformer and fault type are reported to remote monitoring center by fault pre-alarming unit for determining that transformer deposits in the case of a fault.
Description
Technical field
The present invention relates to transformer fault technical fields, and more particularly, to one kind for transformer fault into
Row pre-warning system and method.
Background technology
Realize that the intelligent transformer of substation monitors early warning on-line by intelligent grid automatic online detection technique, it is right
Electric system is significant, by the on-line monitoring early warning to transformer, will play to substation equipment safe operation and greatly change
It is kind.
Earliest, nearly all it is after going wrong due to being unable to real-time online detection in the transforming plant main transformer equipment of operation
It just overhauled, repaired, not only affect the quality of power supply, also increase the spoilage of equipment.With development in science and technology, transformer
Monitoring system gradually shapes, but the transformer monitoring systems of the prior art are discrete mostly, be only capable of for individual parameters and
Defect is monitored, without the ability of globality comprehensively monitoring.But in practice, highly desirable a variety of ginsengs to transformer
Number carries out comprehensive monitoring to carry out timely early warning and reply processing, therefore transformer synthesis monitoring and early warning system to defect
Research and development are very urgent and important.
Invention content
The present invention provides one kind for carrying out pre-warning system and method to transformer fault, how to solve to transformation
The problem of device is monitored in real time and carries out fault pre-alarming.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided it is a kind of for being carried out to transformer fault
Pre-warning system, the system comprises：
Multiple data monitoring nodes, each data monitoring node are used to carry out the transformer belonged in multiple transformers
Status monitoring, wherein each data monitoring node includes multiple monitoring devices, and each monitoring device is for monitoring and being returned
The relevant state parameter of operating status of the transformer of category；
Data capture unit, for obtaining the change with ownership from each data monitoring node in multiple data monitoring nodes
The relevant all state parameters of operating status of depressor；
Data analysis unit carries out data point for all state parameters to each transformer in the multiple transformer
Analysis, the performance rate of each state parameter in all state parameters is determined based on the result of data analysis；
Failure diagnosis unit is parsed with the relevant dynamic configuration file of transformer fault monitoring to determine often for Dui
The operation standard of a state parameter comments the performance rate of each state parameter according to the operation standard of each state parameter
Point, and determine that transformer whether there is failure and failure classes according to the scoring of at least one state parameter in all state parameters
Type；And
Fault pre-alarming unit, for determining that transformer deposits in the case of a fault, by the mark and failure classes of transformer
Type is reported to remote monitoring center.
Preferably, wherein the multiple monitoring device includes：On Line PD Monitoring of Transformer device, bushing shell for transformer monitoring dress
It sets, transformer core and folder monitoring device, transformer transient voltage monitoring device, transformer transient current monitoring device, become
Depressor transient state oil flow rate monitoring device, transformer bias current monitoring device, transformer vibration monitoring device, transformer noise prison
Survey device and transformer reference voltage monitoring device.
Preferably, wherein
The On Line PD Monitoring of Transformer device monitors the shelf depreciation situation of transformer using UHF radio waves UHF；
The transformer transient state oil flow rate monitoring device is subjected to impact using target-type flow gage probe monitoring transformer
When oil pipe in oil flow rate catastrophe.
Preferably, wherein the data analysis unit, to the stateful ginseng of institute of each transformer in the multiple transformer
Number carries out data analysis, including：
All state parameters of each transformer in comprehensive the multiple transformer, online non real-time monitoring data and from
Thread test data carry out data analysis, determine the result of data analysis.
Preferably, wherein the system also includes：
Data storage cell, for multiple monitoring devices of multiple data monitoring nodes monitorings and the transformation that is belonged to
The relevant state parameter of operating status of device is stored.
Preferably, wherein the system also includes：
State indication unit, the operating status for showing each monitoring device and self-test information.
Preferably, wherein the system also includes：
Data communication units, for will be obtained and ownership from each data monitoring node in multiple data monitoring nodes
The relevant all state parameters of operating status of transformer are uploaded to remote monitoring center based on IEC61850 communications protocol；For
Local data communication is carried out by the equipment and multiple data monitoring points that have authorized in LAN.
Preferably, wherein the system also includes：
Alarm unit, for working as and the relevant state parameter exception of the operating status of transformer, monitoring device failure or number
It alarms according to failure soft message is sent when communication unit failure, and is alarmed by GPRS short message of mobile telephone for alarm functions.
According to another aspect of the present invention, a kind of method for carrying out early warning to transformer fault is provided, it is described
Method includes：
To being carried out with each data monitoring node is belonged in multiple data monitoring nodes transformer in multiple transformers
Status monitoring obtains all state parameters of each transformer in multiple transformers；
Data analysis is carried out to all state parameters of each transformer in the multiple transformer, based on data analysis
As a result the performance rate of each state parameter in all state parameters is determined；
Pair monitoring relevant dynamic configuration file with transformer fault is parsed with the operation of each state parameter of determination
Standard scores to the performance rate of each state parameter according to the operation standard of each state parameter, and according to all shapes
The scoring of at least one state parameter determines that transformer whether there is failure and fault type in state parameter；And
It is determining that transformer deposits in the case of a fault, the mark of transformer and fault type is reported in remote monitoring
The heart.
Preferably, wherein all state parameters of each transformer, including：Transformer partial discharge state parameter, transformation
Device casing state parameter, transformer core and folder state parameter, transformer transient voltage state parameter, transformer transient current
State parameter, transformer transient state oil flow rate state parameter, transformer bias current status parameter, transformer vibrational state parameter,
Transformer noise state parameter and transformer reference voltage state parameter.
Preferably, wherein
The shelf depreciation situation of transformer is monitored using UHF radio waves UHF, obtains transformer partial discharge state parameter；
Oil flow rate catastrophe when being subjected to impact using target-type flow gage probe monitoring transformer in oil pipe, is obtained
Transformer transient state oil flow rate state parameter.
Preferably, wherein several all state parameters to each transformer in the multiple transformer carry out data point
Analysis, including：
All state parameters of each transformer in comprehensive the multiple transformer, online non real-time monitoring data and from
Thread test data carry out data analysis, determine the result of data analysis.
Preferably, wherein the method further includes：
To the institute with the transformer that each data monitoring node is belonged in multiple data monitoring nodes in multiple transformers
Stateful parameter is stored.
Preferably, wherein the method further includes：
Show the operating status and self-test information of each monitoring device.
Preferably, wherein the method further includes：
By the institute with the transformer that each data monitoring node is belonged in multiple data monitoring nodes in multiple transformers
Stateful parameter is uploaded to remote monitoring center based on IEC61850 communications protocol；
Local data communication is carried out by the equipment and multiple data monitoring points that have authorized in LAN.
Preferably, wherein the method further includes：
It is sent out when with the relevant state parameter exception of the operating status of transformer, monitoring device failure or data communication failure
It send the soft message of failure to alarm, and is alarmed by GPRS short message of mobile telephone for alarm functions.
The present invention provides one kind for carrying out pre-warning system and method to transformer fault, using layered distribution type
Structure monitors the operating status condition of transformer on-line using the sensing technology of cash, and according to monitoring data pair
Transformer carries out fault pre-alarming, and by warning message sending value remote monitoring center.It is existing that the present invention realizes various monitoring devices
Field installs, is carried out in situ digitized measurement and processing on the spot, then passes through fieldindustrybus and station end intelligent monitor system master
Machine is communicated, and has many advantages, such as that wiring is simple, site operation is small, easy to maintain, and compatibility is strong, is easy to extension, meanwhile, it can be complete
Running state of transformer and health status are evaluated in face, so that the failure being in the embryonic stage is controlled, avoid
The state of affairs expands, and causes catastrophic failure.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is to be shown according to the structure for carrying out pre-warning system 100 to transformer fault of embodiment of the present invention one
It is intended to；
Fig. 2 is the structural representation for carrying out pre-warning system to transformer fault according to embodiment of the present invention two
Figure；And
Fig. 3 is the flow chart according to the method 300 for carrying out early warning to transformer fault of embodiment of the present invention one.
Specific implementation mode
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is to be shown according to the structure for carrying out pre-warning system 100 to transformer fault of embodiment of the present invention one
It is intended to.As shown in Figure 1, embodiments of the present invention one provide for transformer fault carry out pre-warning system, using point
The distributed structure of layer, monitors the operating status condition of transformer on-line using the sensing technology of cash, and according to
Monitoring data carry out fault pre-alarming to transformer, and by warning message sending value remote monitoring center.The present invention realizes various
Monitoring device scene installs, is carried out in situ digitized measurement and processing on the spot, then passes through fieldindustrybus and station end intelligence
Monitoring system host is communicated, and has that wiring is simple, site operation is small, easy to maintain, and it is excellent that compatibility is strong, is easy to extension etc.
Point, meanwhile, comprehensively running state of transformer and health status can be evaluated, the failure being in the embryonic stage is made to obtain
Control avoids state of affairs expansion, causes catastrophic failure.What embodiments of the present invention one provided is used to carry out transformer fault
Pre-warning system 100 includes：Multiple data monitoring nodes 101, data capture unit 102, data analysis unit 103, failure are examined
Disconnected unit 104 and fault pre-alarming unit 105.Preferably, each data monitoring node in the multiple data monitoring node 101
For carrying out status monitoring to the transformer belonged in multiple transformers, wherein each data monitoring node includes multiple monitorings
Device, and each monitoring device is used to monitor the relevant state parameter of operating status with the transformer belonged to.
Preferably, wherein the multiple monitoring device includes：On Line PD Monitoring of Transformer device, bushing shell for transformer monitoring dress
It sets, transformer core and folder monitoring device, transformer transient voltage monitoring device, transformer transient current monitoring device, become
Depressor transient state oil flow rate monitoring device, transformer bias current monitoring device, transformer vibration monitoring device, transformer noise prison
Survey device and transformer reference voltage monitoring device.Preferably, wherein the On Line PD Monitoring of Transformer device, using superfrequency without
The shelf depreciation situation of line electric wave UHF monitoring transformers；The transformer transient state oil flow rate monitoring device, utilizes target type meter
Oil flow rate catastrophe when quantity sensor monitoring transformer is subjected to impact in oil pipe.
Preferably, it in the data capture unit 102, is used for from each data monitoring section in multiple data monitoring nodes
Point obtains the relevant all state parameters of operating status with the transformer of ownership.
Preferably, in the data analysis unit 103, to the stateful ginseng of institute of each transformer in the multiple transformer
Number carries out data analysis, and the performance rate of each state parameter in all state parameters is determined based on the result of data analysis.
Preferably, wherein the data analysis unit, to the stateful ginseng of institute of each transformer in the multiple transformer
Number carries out data analysis, including：All state parameters of each transformer, online non real-time prison in comprehensive the multiple transformer
The data and off-line testing data of survey carry out data analysis, determine the result of data analysis.
Preferably, in the failure diagnosis unit 104, pair monitoring relevant dynamic configuration file with transformer fault carries out
Parsing is with the operation standard of each state parameter of determination, according to the operation standard of each state parameter to the property of each state parameter
Energy grade scores, and determines transformer with the presence or absence of event according to the scoring of at least one state parameter in all state parameters
Barrier and fault type.
Preferably, in the fault pre-alarming unit 105, determining that transformer deposits in the case of a fault, by transformer
Mark and fault type are reported to remote monitoring center.
Preferably, wherein the system also includes：Data storage cell, for multiple prisons to multiple data monitoring nodes
Survey being stored with the relevant state parameter of operating status of the transformer belonged to for device monitoring.
Preferably, wherein the system also includes：State indication unit, the operating status for showing each monitoring device
And self-test information.
Preferably, wherein the system also includes：Data communication units, for will be from every in multiple data monitoring nodes
A data monitoring node, which is obtained, to be communicated with the relevant all state parameters of operating status of the transformer of ownership based on IEC61850
Agreement is uploaded to remote monitoring center；For being carried out locally by the equipment and multiple data monitoring points that have authorized in LAN
Data communicate.
Preferably, wherein the system also includes：Alarm unit, for when the relevant state of operating status with transformer
Failure soft message is sent when abnormal parameters, monitoring device failure or data communication unit failure to alarm, and passes through GPRS
Short message of mobile telephone for alarm function is alarmed.
Fig. 2 is the structural representation for carrying out pre-warning system to transformer fault according to embodiment of the present invention two
Figure.As shown in Fig. 2, embodiment of the present invention two is used to carry out pre-warning system to transformer fault, including：Run on transformation
(including data interaction calculates for comprehensive monitoring on device catastrophic discontinuityfailure comprehensive monitoring host (IED) and early warning software, master device
Machine, Data Analysis Computer, WEB computers etc.), the network equipment (including communication cable, communication cable, IEC61850 agreements turn
Parallel operation etc.) and work station can be excessively electric to transformer partial discharge, casing, iron core, folder, transient state using the structure of layered distribution type
The insulation status such as pressure, transient state overcurrent, transient state oil flow rate, neutral point bias current, ontology oscillation intensity and noise carry out online
Monitoring and fault pre-alarming.Transformer catastrophic discontinuityfailure comprehensive monitoring host (IED) passes through each scene of local communication bus marco
The working condition of monitoring device (including bushing shell for transformer monitoring device and transformer reference voltage monitoring device) reads and handles
Measurement data and exception information, and in real time the insulation monitoring data finally obtained, according to IEC61850 communication protocols, with MMS
Mode uploads the CAC (or integrated treatment unit) at station end, can also be in LAN by having authorized while data remote
Browser carries out local communication with monitoring host, executes the operations such as browsing data and download, which is with IEC61850 communications
Different segment is not interfere with each other.In addition, can also preset 4 phone numbers in monitoring host, system can be periodically by monitoring data
It is sent on reserved mobile phone.Transformer catastrophic discontinuityfailure comprehensive monitoring host (IED) has following function：Data acquire：It collects
The data of each local monitoring unit, and statistical processing and analysis judgement is carried out to monitoring data；State instruction：Real-time display is each
The operating status and self-test information of a on-line monitoring unit；Data store：The monitoring data and collection of illustrative plates in nearly 1 year are preserved, are had
Monitoring data backup functionality will not influence data storage because of power-off or other external factor；Fault alarm：If monitored equipment number
According to abnormal, on-line monitoring cell arrangement failure or data communication unit failure, the soft message of failure will be provided and alarmed, simultaneously also
Have GPRS short message of mobile telephone for alarm functions；And data communication：By TCP/IP or IEC61850 stipulations upload monitoring data and
Collection of illustrative plates.
Embodiment of the present invention exists for carrying out pre-warning system local supervising and measuring equipment to transformer fault at station end
After data are integrated and handled by line monitoring IED, by optical fiber by data remote transmission to data analytics server, pass through clothes
The application software at business device end is, it can be achieved that functions such as online monitoring data storage, display, analysis, diagnosis and early warning.For to becoming
Depressor failure carry out pre-warning system local supervising and measuring equipment use transformer fault ID Technology, with the design of transformer,
Based on the monitoring information of the overall processes such as manufacture, operational monitoring, maintenance, maintenance, experiment, with an abnormality amount corresponding one
A or multiple failures, the corresponding one or more abnormality amounts of a failure, multiple abnormality amounts correspond to multiple failures
N-tuple relation is knowledge rule, the Knowledge Representation Method based on production rule, with forward and reverse mixed inference and adaptive
The method that net should be solved carries out the failure of transformer the technology of comprehensive diagnos.
The present invention's has following features for carrying out pre-warning system to transformer fault：
1, layered distribution type system structure
All kinds of intelligent monitoring device scenes install, are carried out in situ digitized measurement and processing on the spot, then pass through live work
Industry bus is communicated with station end intelligent monitor system host.It is simple with wiring, site operation is small, easy to maintain, compatibility
By force, the advantages that being easy to extension.
2, abundant data communication method
System supports IEC61850 communication protocols comprehensively, and monitoring data can be uploaded to remote diagnostic center, meets intelligence
The construction requirements of substation, and have successful practical operating experiences.
While data remote, also local lead to can be carried out by the browser and monitoring system that have authorized in LAN
News execute the operations such as browsing data and download, which is different segment with IEC61850 communications, is not interfere with each other.
3, perfect diagnostic alarms function
System has the multiple diagnostics technologies such as threshold diagnostic, trend diagnosis, channel relevant diagnosis, can effectively prevent to main transformer
It the wrong report of defect and fails to report, when equipment under test breaks down, software alarm and SMS alarm can be carried out immediately, when failure response
Between be no more than 5 minutes, warning function limit value can be changed.
4, advanced sensing technology
1) shelf depreciation for using superfrequency (UHF) method monitoring transformer coordinates dynamic frequency-selecting detection technique and monitors grade
UHF signal receptions processing, thoroughly solves the problems, such as influence of the scene complex jamming to detection sensitivity, can sensitivity monitoring arrive
The local discharge signal of 100pC；
2) using the Zero flux current sensor of high-precision and high stability, coordinate high speed DFT digital processing technologies, solve
The precision and stability problem of condenser bushing dielectric loss measurement so that monitoring data have stronger comparativity.
3) using the overvoltage signal of the over-voltage monitoring method monitoring transformer based on compound integral, frequency range 30Hz is measured
~3MHz can really restore thunder and lightning or switching overvoltage waveform.
4) use oil flow rate mutation of target-type flow gage probe monitoring transformer when being subjected to impact in oil pipe, have compared with
High response speed and accuracy of measurement can accurately capture the oil stream speed of impact moment.
5, simple debugging maintenance operation
Field monitoring unit is all made of identical modularized design structure, and live component has versatility and interchangeability,
And can charged for replacement while being also equipped with expanded function convenient for safeguarding.
6, good Electro Magnetic Compatibility
Intelligent monitoring device fully takes into account the severe electricity of substation from each stage for being designed into manufacture on the spot for digitlization
Magnetic environment has good insulation performance, Electro Magnetic Compatibility, environmental adaptability, shell protection performance, complies fully with DL/
The relevant regulations of T1498.1-2016.
Fig. 3 is the flow chart according to the method 300 for carrying out early warning to transformer fault of embodiment of the present invention one.
As shown in figure 3, the volume that embodiments of the present invention one provide is used to carry out the method 300 of early warning from step to transformer fault
Start at 301, is belonged to each data monitoring node in multiple data monitoring nodes in step 301 is to multiple transformers
Transformer carries out status monitoring, obtains all state parameters of each transformer in multiple transformers.Preferably, wherein it is described every
All state parameters of a transformer, including：Transformer partial discharge state parameter, bushing shell for transformer state parameter, transformer core
And folder state parameter, transformer transient voltage state parameter, transformer transient current state parameter, transformer transient state oil flow rate
State parameter, transformer bias current status parameter, transformer vibrational state parameter, transformer noise state parameter and transformer
Reference voltage state parameter.
Preferably, wherein monitoring the shelf depreciation situation of transformer using UHF radio waves UHF, transformer partial is obtained
Put state parameter；Oil flow rate catastrophe when being subjected to impact using target-type flow gage probe monitoring transformer in oil pipe,
Obtain transformer transient state oil flow rate state parameter.
Preferably, all state parameters of each transformer carry out data point in step 302 is to the multiple transformer
Analysis, the performance rate of each state parameter in all state parameters is determined based on the result of data analysis.
Preferably, wherein several all state parameters to each transformer in the multiple transformer carry out data point
Analysis, including：All state parameters of each transformer in comprehensive the multiple transformer, online non real-time monitoring data and from
Thread test data carry out data analysis, determine the result of data analysis.
Preferably, relevant dynamic configuration file is monitored in step 303 pair and transformer fault to be parsed to determine often
The operation standard of a state parameter comments the performance rate of each state parameter according to the operation standard of each state parameter
Point, and determine that transformer whether there is failure and failure classes according to the scoring of at least one state parameter in all state parameters
Type.
Preferably, determining that transformer deposits in the case of a fault in step 304, by the mark and fault type of transformer
It is reported to remote monitoring center.
Preferably, wherein the method further includes：To in multiple transformers with each data in multiple data monitoring nodes
All state parameters for the transformer that monitoring node is belonged to are stored.
Preferably, wherein the method further includes：Show the operating status and self-test information of each monitoring device.
Preferably, wherein the method further includes：By in multiple transformers with each data in multiple data monitoring nodes
All state parameters for the transformer that monitoring node is belonged to are uploaded to remote monitoring center based on IEC61850 communications protocol；
Local data communication is carried out with multiple data monitoring points by the equipment authorized in LAN.
Preferably, wherein the method further includes：When with the relevant state parameter of the operating status of transformer is abnormal, monitoring
When plant failure or data communication failure send the soft message of failure alarm, and by GPRS short message of mobile telephone for alarm function into
Row alarm.
Another implementation of the method 300 and the present invention for carrying out early warning to transformer fault of the embodiment of the present invention
Being used for for example is corresponding to transformer fault progress pre-warning system 100, and details are not described herein.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above are equally fallen the present invention's
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
It is construed at least one of described device, component etc. example, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (16)
1. one kind to transformer fault for carrying out pre-warning system, which is characterized in that the system comprises：
Multiple data monitoring nodes, each data monitoring node are used to carry out state to the transformer belonged in multiple transformers
Monitoring, wherein each data monitoring node includes multiple monitoring devices, and each monitoring device is used to monitor and be belonged to
The relevant state parameter of operating status of transformer；
Data capture unit, for obtaining the transformer with ownership from each data monitoring node in multiple data monitoring nodes
The relevant all state parameters of operating status；
Data analysis unit carries out data analysis for all state parameters to each transformer in the multiple transformer,
The performance rate of each state parameter in all state parameters is determined based on the result of data analysis；
Failure diagnosis unit is parsed with the relevant dynamic configuration file of transformer fault monitoring with each shape of determination for Dui
The operation standard of state parameter scores to the performance rate of each state parameter according to the operation standard of each state parameter,
And determine that transformer whether there is failure and fault type according to the scoring of at least one state parameter in all state parameters；
And
Fault pre-alarming unit will be in the mark and fault type of transformer for determining that transformer deposits in the case of a fault
Offer remote monitoring center.
2. system according to claim 1, which is characterized in that the multiple monitoring device includes：On Line PD Monitoring of Transformer
Device, bushing shell for transformer monitoring device, transformer core and folder monitoring device, transformer transient voltage monitoring device, transformation
Device transient current monitoring device, transformer transient state oil flow rate monitoring device, transformer bias current monitoring device, transformer vibration
Monitoring device, transformer noise monitoring device and transformer reference voltage monitoring device.
3. system according to claim 2, which is characterized in that
The On Line PD Monitoring of Transformer device monitors the shelf depreciation situation of transformer using UHF radio waves UHF；
The transformer transient state oil flow rate monitoring device, oil when being subjected to impact using target-type flow gage probe monitoring transformer
Oil flow rate catastrophe in pipe.
4. system according to claim 1, which is characterized in that the data analysis unit, in the multiple transformer
All state parameters of each transformer carry out data analysis, including：
All state parameters of each transformer, the data of online non real-time monitoring and offline examination in comprehensive the multiple transformer
It tests data and carries out data analysis, determine the result of data analysis.
5. system according to claim 1, which is characterized in that the system also includes：
Data storage cell, for multiple monitoring devices of multiple data monitoring nodes monitorings and the transformer that is belonged to
The relevant state parameter of operating status is stored.
6. system according to claim 1, which is characterized in that the system also includes：
State indication unit, the operating status for showing each monitoring device and self-test information.
7. system according to claim 1, which is characterized in that the system also includes：
Data communication units, the transformation for that will obtain and belong to from each data monitoring node in multiple data monitoring nodes
The relevant all state parameters of operating status of device are uploaded to remote monitoring center based on IEC61850 communications protocol；For in office
Local data communication is carried out with multiple data monitoring points by the equipment authorized in the net of domain.
8. system according to claim 7, which is characterized in that the system also includes：
Alarm unit, for when logical with the relevant state parameter exception of the operating status of transformer, monitoring device failure or data
Failure soft message is sent when interrogating cell failure to alarm, and is alarmed by GPRS short message of mobile telephone for alarm functions.
9. a kind of method for carrying out early warning to transformer fault, which is characterized in that the method includes：
To carrying out state with each data monitoring node is belonged in multiple data monitoring nodes transformer in multiple transformers
Monitoring, obtains all state parameters of each transformer in multiple transformers；
Data analysis, the result based on data analysis are carried out to all state parameters of each transformer in the multiple transformer
Determine the performance rate of each state parameter in all state parameters；
Pair monitoring relevant dynamic configuration file with transformer fault is parsed with the operation standard of each state parameter of determination,
It is scored the performance rate of each state parameter according to the operation standard of each state parameter, and according to all state parameters
In at least one state parameter scoring determine transformer whether there is failure and fault type；And
It is determining that transformer deposits in the case of a fault, the mark of transformer and fault type is reported to remote monitoring center.
10. according to the method described in claim 9, it is characterized in that, all state parameters of each transformer, including：
Transformer partial discharge state parameter, bushing shell for transformer state parameter, transformer core and folder state parameter, transformer transient voltage
State parameter, transformer transient current state parameter, transformer transient state oil flow rate state parameter, transformer bias current status ginseng
Number, transformer vibrational state parameter, transformer noise state parameter and transformer reference voltage state parameter.
11. according to the method described in claim 10, it is characterized in that,
The shelf depreciation situation of transformer is monitored using UHF radio waves UHF, obtains transformer partial discharge state parameter；
Oil flow rate catastrophe when being subjected to impact using target-type flow gage probe monitoring transformer in oil pipe, obtains transformation
Device transient state oil flow rate state parameter.
12. according to the method described in claim 9, it is characterized in that, described several to each transformer in the multiple transformer
All state parameters carry out data analysis, including：
All state parameters of each transformer, the data of online non real-time monitoring and offline examination in comprehensive the multiple transformer
It tests data and carries out data analysis, determine the result of data analysis.
13. according to the method described in claim 9, it is characterized in that, the method further includes：
To all shapes with the transformer that each data monitoring node is belonged in multiple data monitoring nodes in multiple transformers
State parameter is stored.
14. according to the method described in claim 9, it is characterized in that, the method further includes：
Show the operating status and self-test information of each monitoring device.
15. according to the method described in claim 9, it is characterized in that, the method further includes：
By all shapes with the transformer that each data monitoring node is belonged in multiple data monitoring nodes in multiple transformers
State parameter is uploaded to remote monitoring center based on IEC61850 communications protocol；
Local data communication is carried out by the equipment and multiple data monitoring points that have authorized in LAN.
16. according to the method for claim 15, which is characterized in that the method further includes：
Event is sent when with the relevant state parameter exception of the operating status of transformer, monitoring device failure or data communication failure
Hinder soft message to alarm, and is alarmed by GPRS short message of mobile telephone for alarm functions.
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Application publication date: 20180817 |