CN108666992A - Electric network fault comprehensive analysis platform and working method - Google Patents
Electric network fault comprehensive analysis platform and working method Download PDFInfo
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- CN108666992A CN108666992A CN201810488231.XA CN201810488231A CN108666992A CN 108666992 A CN108666992 A CN 108666992A CN 201810488231 A CN201810488231 A CN 201810488231A CN 108666992 A CN108666992 A CN 108666992A
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- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 description 3
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- 238000003745 diagnosis Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/28—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for meshed systems
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses electric network fault comprehensive analysis platform and working method, working method includes：Step 1: failure analysis module from protect letter system obtain protective device record for the fault message being individually spaced；Step 2: Wave data of the failure analysis module from the power grid electrical quantity during fault wave recording device acquisition failure；It is shown Step 3: the faulty waveform correlation data of institute are placed in same timeline；Step 4: according to the situation of change failure judgement region of each electrical equipment during electric network fault and property.The present invention powers for the working efficiency of raising troubleshooting, as early as possible recovery system, reduces the mixed economy loss caused by power failure and is of great significance, can improve the safety and stability economic operation level of entire electric system.
Description
Technical field
The present invention relates to electric network fault analysis technical field more particularly to electric network fault comprehensive analysis platform and work sides
Method.
Background technology
Electric network fault information analysis always is the very important work of thread, from the beginning early stage arrive substation
Field print is protected and the fault message teletransmission in the action report of oscillograph to later stage pushes report, these points are all that some are opposite
Independent system and point, association each other is seldom, and analysis is got up more painstaking.Thread was begun in recent years to start to taste
The fusion for trying multisystem, merges the information after failure, but apparently effect is not fine, original to the effect merged at present
Because there are two：
First, each equipment, each system communication stipulations, data format are inconsistent, in the development cycle arrived involved in fusion process
It is longer, need more producers to coordinate；
Second is that the generation of Trouble Report lacks problem of pretreatment, once it breaks down, almost local all protections, record
Wave device, traveling wave can all act, and when target entanglement, useful fault message is often submerged in the data of magnanimity, Bu Nengti
High effective support information；
Third, the fusion of Trouble Report is only to have done enumerating and sorting for information point, analysis rank is not actually entered
Section is related to formatting, the normalization of more manufacturer data formats.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems, to provide electric network fault comprehensive analysis platform and working method,
The faulty waveform correlation data of institute are placed in same timeline and are shown, it is each electrical during capable of reflecting electric network fault
The situation of change of element is to failure judgement region and property.
To achieve the goals above, the present invention adopts the following technical scheme that：
The working method of electric network fault comprehensive analysis platform, including：
Step 1: failure analysis module obtains believing for the failure being individually spaced for protective device record from letter system is protected
Breath；
Step 2: Wave data of the failure analysis module from the power grid electrical quantity during fault wave recording device acquisition failure；
It is shown Step 3: the faulty waveform correlation data of institute are placed in same timeline；
Step 4: according to the situation of change failure judgement region of each electrical equipment during electric network fault and property.
Failure analysis module obtains the model and incidence relation of primary and secondary equipment from letter system is protected, and event occurs in power grid
Action event, the fault message of switch changed position and recorder data and the recording of fault wave recording device of protective device are obtained after barrier
Information carries out Auto-matching, and all relevant informations of an electric network fault are combined.
Existing power grid scientific and technical innovation is accessed in fault zone that step 4 is analyzed and the encapsulation of property fault data to put down
Platform is shown, and fault data is published to mass data platform, realizes data sharing.
Step 4 fault zone and property fault data are pushed into Trouble Report to mobile device, realized in tablet or mobile phone
Upper analysis electric network fault.
Further include being analyzed by the direct current channel data in being recorded to fault wave recording device, to busbar direct current in station
Working voltage is monitored and is analyzed, and realizes busbar DC voltage alarm function.
The judgment method of the step 4 includes：
Fault wave recording device access septal pathways title, CT polarity and no-load voltage ratio coefficient are remotely adjusted by scheduling station, are protected
The differential current computing value of all power transmission and transforming equipments when power grid normal operation is demonstrate,proved all close to zero；
When grid collapses, according to the fault data sent on fault wave recording device, respectively by power grid autonomous device in terms of
Unit is calculated, the differential current computing of power grid primary current is carried out；
Obtained poor flow valuve is compared with difference stream setting valve, realizes the positioning of exact failure position and protection act behavior
Evaluation.
Using the electric network fault comprehensive analysis platform of the working method of the electric network fault comprehensive analysis platform, including failure
Analysis module, the failure analysis module and at least one fault wave recording device protected in letter system and at least one substation are logical
Letter, guarantor's letter system carry out data interaction with data center of the areas III, and data center of the areas III passes through SOA servers and mobile terminal
It is communicated；Fault wave recording device in the substation passes through the independent networking of dispatch data net.
The failure analysis module includes network switch A and network switch B, at least one work station, the first application
Server, data server and the communication server are communicated with the network switch A and network switch B；First application
Server carries out the interaction of data with letter system is protected.
Guarantor's letter system includes the second application server, and second application server is by protection act event and recording
It is sent to first application server；First application server by comprehensive analysis of fault data packet by electric power networks just
It is sent to WEB server to isolating device, the WEB server stores data in data center of the areas III.
The communication server is also communicated with traveling wave ranging device and Small Electric Current Earthing And Routing Device.
Beneficial effects of the present invention：
The present invention powers for the working efficiency of raising troubleshooting, as early as possible recovery system, reduces comprehensive caused by power failure
It closes economic loss to be of great significance, the safety and stability economic operation level of entire electric system can be improved.
Electric network fault overall analysis system is distributed intelligent Information Collection, collection, organic combination, fault identification, carries
For the system of decision support.Realize that Substation control and monitoring information in strict accordance with hierarchical management, optimize stream compression side
To reduction improves the reliability service of system to the occupancy in data Netcom road.
Various types of emulation trainings are unfolded by plateform system, not only can on the spot be trained to avoid tradition to normally producing
Influence caused by work is more importantly carry out emulation training training that can be repeated multiple times, weighs to process, is reduced
The generation of accident reduces economic loss.
Description of the drawings
Fig. 1 is the system construction drawing of the present invention.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Electric network fault comprehensive analysis platform, as shown in Figure 1, including failure analysis module, the failure analysis module and guarantor
At least one fault wave recording device in letter system and at least one substation communicates, in guarantor's letter system and the areas III data
The heart carries out data interaction, and data center of the areas III is communicated by SOA servers with mobile terminal；Failure in the substation
Wave recording device passes through the independent networking of dispatch data net.It realizes different manufacturers, model fault wave recording device networking, solves stipulations and do not unite
One, a general recorder data acquisition platform is realized in the non-type problem of data format, design, to access various types equipment
Unified interface is provided.
The present invention improves accident analysis for departments such as scheduling and processing capacity provides technical support.Complicated event occurs in power grid
When barrier, often there are more set protective device trippings, this system to be based on fault recorder data, in conjunction with technical supports systems such as existing guarantor letters
System makes judgement promptly and accurately to fault zone, nature of trouble, and foundation is provided for fast recovery of power supply.
The failure analysis module includes network switch A and network switch B, at least one work station, the first application
Server, data server and the communication server are communicated with the network switch A and network switch B；First application
Server carries out the interaction of data with letter system is protected.
Guarantor's letter system includes the second application server, and second application server is by protection act event and recording
It is sent to first application server；First application server by comprehensive analysis of fault data packet by electric power networks just
It is sent to WEB server to isolating device, the WEB server stores data in data center of the areas III.
The communication server is also communicated with traveling wave ranging device and Small Electric Current Earthing And Routing Device.
The working method of electric network fault comprehensive analysis platform,
From guarantor's letter system acquisition protective device record for the fault message being individually spaced；
The change information of power grid electrical quantity during obtaining failure from fault wave recording device, from multiple recorded wave files, no
Dependent on device clock, not by device sample mode differentia influence, the faulty waveform correlation data of institute are placed at the same time
It is shown on axis, come the situation of change of each electrical equipment during reflecting electric network fault to failure judgement region and property.
Failure analysis module and guarantor's letter system do data-interface, obtain primary, secondary device model and incidence relation,
The fault messages such as action event, switch changed position, the recorder data of protective device are obtained after grid collapses and failure wave-recording is set
Standby wave-record chart carries out Auto-matching, and all relevant informations of an electric network fault are combined.Using it is original every
Data docking is realized from device and the areas III server.Simultaneously by fault data and common function encapsulation access Hainan Power Grid science and technology
Innovation platform is shown, and fault data is published to mass data platform, realizes data sharing, and support to mobile device
Trouble Report is pushed, realizes and analyzes electric network fault function on tablet or mobile phone.
The system can combined station internal fault wave recording device, Prudential Master system and traveling wave ranging device fault message,
Quickly judge the type of electric network fault, realizes fault location, and provide far automatically.
Large scale electric network fault zone quickly positions, the method for intelligent fault diagnosis includes：When power grid normal operation, with solid
Interval automatic-calling failure wave-recording of fixing time is sampled and calculated by the phase current differential value of unit of power transmission and transforming equipment, difference stream
Value is answered almost nil.If differential current computing value be more than corresponding equipment difference stream get over limit value (the difference stream more limit value of each equipment adjust for
The maximum difference stream value for answering the factors such as load unbalanced, CT errors to cause to be likely to occur when power grid maximum operational mode), pass through scheduling
Main website remotely adjusts fault oscillograph access septal pathways title, CT polarity and no-load voltage ratio coefficient, ensures power grid normal operation when institute
There is the differential current computing value of power transmission and transforming equipment all close to zero.When grid collapses, according to the number of faults sent on fault oscillograph
According to, respectively using power grid autonomous device as computing unit, the differential current computing of progress power grid primary current；Poor flow valuve and poor stream are adjusted
Value compares, and realizes the positioning of exact failure position and protection act behavior evaluation.
Electric network fault comprehensive analysis platform can realize accident decision support, protection act behavioural analysis and equipment state prison
Visual function, including fault fast positioning, secondary device monitor in real time, intelligent fault diagnosis；The displaying of fault message various dimensions, synthesis
Recording figure；The miscellaneous functions such as device operating condition, log management.
Multiple and different protective devices therefore the fault waveform of recording device record are put into same timeline and are shown, instead
Reflect associated electrical components situation of change, protection act situation during failure occurs.Traditional recording methods of exhibiting can show one
The single failure waveform of a device record, and have multiple and different devices in power failure generating process and generate recorder data, point
Need to open multiple recording impression windows when analysing these data, when displaying has the following problems：The clock of device is inconsistent, failure
Moment waveform can not be aligned；The sample frequency of device is different, recording compressed mode is different, and causing waveform to show cannot be same
It is aligned on a time shaft.Especially complex fault, time span is big, and same table apparatus also can repeatedly start generation recording, passes
The recording displaying of system can not show the evolution of failure in same timeline.This research method is in view of the above-mentioned problems, carry
Go out a kind of mode using comprehensive recording figure from multiple devices single or recorder data is put at the same time several times
The solution for being shown, comparing and analyzing under coordinate.
It is analyzed, is realized to DC bus working voltage in station by the direct current channel data in being recorded to wave recording device
It is monitored and is analyzed and alerted.
It is analyzed by the direct current channel data in being recorded to wave recording device, straight-flow system operating status in station is carried out
Evaluation.It is distinctly claimed in the access criteria of fault wave recording device at present and the direct current in station is also coupled in wave recording device, it can be with
The situation that live current DC power-supply system is obtained by the way of manual recording, according to analysis waveform data, to straight-flow system
Operation carry out state judged.
By analyzing the middle direct current channel data that wave recording device records, busbar DC operating voltage in station is carried out
Monitoring and analysis, realize busbar DC voltage alarm function.
The present invention provides strong foundation and guarantee rapidly and accurately to exclude electric network fault, and for regulation and control, personnel provide accident
Decision, operation maintenance personnel provide the one-stop solution of accident analysis.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. the working method of electric network fault comprehensive analysis platform, characterized in that including：
Step 1: failure analysis module from protect letter system obtain protective device record for the fault message being individually spaced；
Step 2: Wave data of the failure analysis module from the power grid electrical quantity during fault wave recording device acquisition failure；
It is shown Step 3: the faulty waveform correlation data of institute are placed in same timeline；
Step 4: according to the situation of change failure judgement region of each electrical equipment during electric network fault and property.
2. the working method of electric network fault comprehensive analysis platform as described in claim 1, characterized in that failure analysis module is from guarantor
Letter system obtains the model and incidence relation of primary and secondary equipment, and the action thing of protective device is obtained after grid collapses
The wave-record chart of part, the fault message of switch changed position and recorder data and fault wave recording device carries out Auto-matching, primary electricity
All relevant informations of net failure combine.
3. the working method of electric network fault comprehensive analysis platform as described in claim 1, characterized in that analyze to obtain step 4
Fault zone and the encapsulation of property fault data access existing power grid platform of sci-tech innovation and be shown, and fault data is sent out
Cloth realizes data sharing to mass data platform.
4. the working method of electric network fault comprehensive analysis platform as described in claim 1, characterized in that by step 4 fault zone
Trouble Report is pushed to mobile device with property fault data, realization analyzes electric network fault on tablet or mobile phone.
5. the working method of electric network fault comprehensive analysis platform as described in claim 1, characterized in that further include passing through a pair event
Direct current channel data in barrier wave recording device record are analyzed, and busbar DC operating voltage in station is monitored and analyzed,
Realize busbar DC voltage alarm function.
6. the working method of electric network fault comprehensive analysis platform as described in claim 1, characterized in that the judgement of the step 4
Method includes：
Fault wave recording device access septal pathways title, CT polarity and no-load voltage ratio coefficient are remotely adjusted by scheduling station, ensure electricity
The differential current computing value of all power transmission and transforming equipments is all close to zero when net normal operation；
It is respectively to calculate list with power grid autonomous device according to the fault data sent on fault wave recording device when grid collapses
Member carries out the differential current computing of power grid primary current；
Obtained poor flow valuve is compared with difference stream setting valve, realizes that the positioning of exact failure position and protection act behavior are commented
Valence.
7. the electric network fault comprehensive analysis platform of the working method using electric network fault comprehensive analysis platform described in claim 1,
It is characterized in that including failure analysis module, the failure analysis module with protect in letter system and at least one substation at least
One fault wave recording device communication, guarantor's letter system carry out data interaction with data center of the areas III, and data center of the areas III is logical
SOA servers are crossed to be communicated with mobile terminal；Fault wave recording device in the substation passes through the independent networking of dispatch data net.
8. electric network fault comprehensive analysis platform as claimed in claim 7, characterized in that the failure analysis module includes that network is handed over
Change planes A and network switch B, at least one work station, the first application server, data server and the communication server with it is described
Network switch A and network switch B communications；First application server carries out the interaction of data with letter system is protected.
9. electric network fault comprehensive analysis platform as claimed in claim 8, characterized in that guarantor's letter system includes that the second application takes
Protection act event and recording are sent to first application server by business device, second application server；Described first
Comprehensive analysis of fault data packet is sent to WEB server, the WEB by application server by electric power networks forward direction isolating device
Server stores data in data center of the areas III.
10. electric network fault comprehensive analysis platform as claimed in claim 8, characterized in that the communication server is also surveyed with traveling wave
It is communicated away from device and Small Electric Current Earthing And Routing Device.
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| CN201810488231.XA CN108666992B (en) | 2018-05-21 | 2018-05-21 | Power grid fault comprehensive analysis platform and working method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109447452A (en) * | 2018-10-23 | 2019-03-08 | 国网天津市电力公司 | A kind of on-line testing method of D5000 system loading batch control function |
| CN109544044A (en) * | 2018-12-28 | 2019-03-29 | 云南电网有限责任公司玉溪供电局 | A kind of wide area electricity quality evaluation system based on the driving of failure wave-recording big data |
| CN109584103A (en) * | 2018-12-28 | 2019-04-05 | 广西电网有限责任公司防城港供电局 | A kind of electric network fault fast reaction and educated decisions support system |
| CN109696591A (en) * | 2018-11-30 | 2019-04-30 | 南京国电南自电网自动化有限公司 | A kind of intelligence based on ATS automatically testing platform obtains the test method of failure wave-recording |
| CN109800893A (en) * | 2018-12-25 | 2019-05-24 | 国家电网公司东北分部 | Fault message and secondary device operation management information WEB Homepage Publishing method |
| CN110739770A (en) * | 2019-10-15 | 2020-01-31 | 云南电网有限责任公司 | relay protection tube control system based on information fusion |
| CN110889602A (en) * | 2019-11-13 | 2020-03-17 | 云南电网有限责任公司 | Relay protection multi-source master station fusion decision rapid support system and method thereof |
| CN113899964A (en) * | 2021-08-31 | 2022-01-07 | 国网宁夏电力有限公司固原供电公司 | Fault information recording device |
| CN114236309A (en) * | 2021-11-30 | 2022-03-25 | 国网北京市电力公司 | Power transmission and transformation fault determination method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109447452A (en) * | 2018-10-23 | 2019-03-08 | 国网天津市电力公司 | A kind of on-line testing method of D5000 system loading batch control function |
| CN109447452B (en) * | 2018-10-23 | 2022-02-11 | 国网天津市电力公司 | Online testing method for batch control function of D5000 system load |
| CN109696591A (en) * | 2018-11-30 | 2019-04-30 | 南京国电南自电网自动化有限公司 | A kind of intelligence based on ATS automatically testing platform obtains the test method of failure wave-recording |
| CN109696591B (en) * | 2018-11-30 | 2021-07-30 | 南京国电南自电网自动化有限公司 | Testing method for intelligently acquiring fault recording based on ATS automatic testing platform |
| CN109800893A (en) * | 2018-12-25 | 2019-05-24 | 国家电网公司东北分部 | Fault message and secondary device operation management information WEB Homepage Publishing method |
| CN109584103A (en) * | 2018-12-28 | 2019-04-05 | 广西电网有限责任公司防城港供电局 | A kind of electric network fault fast reaction and educated decisions support system |
| CN109544044A (en) * | 2018-12-28 | 2019-03-29 | 云南电网有限责任公司玉溪供电局 | A kind of wide area electricity quality evaluation system based on the driving of failure wave-recording big data |
| CN109544044B (en) * | 2018-12-28 | 2023-04-07 | 云南电网有限责任公司玉溪供电局 | Wide-area power quality evaluation system based on fault recording big data driving |
| CN110739770A (en) * | 2019-10-15 | 2020-01-31 | 云南电网有限责任公司 | relay protection tube control system based on information fusion |
| CN110739770B (en) * | 2019-10-15 | 2023-03-24 | 云南电网有限责任公司 | Relay protection tube control system based on information fusion |
| CN110889602A (en) * | 2019-11-13 | 2020-03-17 | 云南电网有限责任公司 | Relay protection multi-source master station fusion decision rapid support system and method thereof |
| CN110889602B (en) * | 2019-11-13 | 2022-04-15 | 云南电网有限责任公司 | Relay protection multi-source master station fusion decision rapid support system and method thereof |
| CN113899964A (en) * | 2021-08-31 | 2022-01-07 | 国网宁夏电力有限公司固原供电公司 | Fault information recording device |
| CN113899964B (en) * | 2021-08-31 | 2024-05-31 | 国网宁夏电力有限公司固原供电公司 | Fault information recording device |
| CN114236309A (en) * | 2021-11-30 | 2022-03-25 | 国网北京市电力公司 | Power transmission and transformation fault determination method |
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