CN207588558U - Intelligent substation fiber failure on-line early warning system - Google Patents
Intelligent substation fiber failure on-line early warning system Download PDFInfo
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- CN207588558U CN207588558U CN201721221490.3U CN201721221490U CN207588558U CN 207588558 U CN207588558 U CN 207588558U CN 201721221490 U CN201721221490 U CN 201721221490U CN 207588558 U CN207588558 U CN 207588558U
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- 239000000835 fiber Substances 0.000 title claims abstract description 16
- 238000013500 data storage Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 210000000352 storage cell Anatomy 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 7
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 45
- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 16
- 230000006870 function Effects 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
Abstract
The utility model proposes a kind of intelligent substation fiber failure on-line early warning systems, under " three layer of two net " structure, pass through the MMS messages of the devices such as the network protection of MMS message collecting unit continuous acquisition station levels, observing and controlling；Whole station interchanger is accessed by SNMP work stations, SNMP work stations work independently, and send data storage cell on the switch status information of acquisition is unidirectional, it is ensured that process-level network is isolated with the information of station level network；Pass through the luminous power state information of online, real-time acquisition each optical port of intelligent substation network layer, with reference to physical network topology, analyze the state value and variation tendency of data, to fiber link progress early warning of the luminous power close to device itself alarm critical value, attenuation greatly or there are downward trend, fiber link hidden danger is judged in advance, it is gone on patrol for a long time without personnel, it is more preferable for troubleshooting promptness.
Description
Technical field
The utility model is related to substation secondary device Condition Monitoring Technology field more particularly to a kind of intelligent substation light
Fine On-line Fault early warning system.
Background technology
According to the information digitalization and real-time demand of intelligent substation, under its " three layer of two net " function structure, process
Layer mainly carries out data exchange with wall intelligent electronic device using optical fiber.The intelligent substation majority now run is using " straight
Adopt straight jump " allocation plan, the voltage and current sampling of protective relaying device, breaker tripping and closing signal using point-to-point associated mode,
The data such as measurement, control, the remote signalling of his such as relay protection unsuccessful reason and measure and control device were made up of optical switch
Journey layer network is transmitted.
In the operational process of Substation process-level fiber link, because external force destroy or safeguard it is improper caused by fiber kinks,
Damage and optical interface the problems such as being stained, happen occasionally, and the time limit is longer that fiber ageing, problem above also easily occurs for operation
Optical receiver sensitivity can be caused to decline, intelligent electronic device performance will be directly affected when serious.Such as《Q/GDW 1810-2012 intelligence
It can substation relay protection verification test specification》Regulation, protective relaying device optical wavelength 1310nm optical interfaces should meet light transmission
Power -20dBm~-14dBm, optical receiver sensitivity -31dBm~-14dBm, optical wavelength 850nm optical interface should meet light and send work(
Rate -19dBm~-10dBm, optical receiver sensitivity -24dBm~-10dBm, and device preferably has optical fiber interface light intensity function for monitoring,
It should alarm when beyond optical fiber interface light signal strength permissible value." the GOOSE chain ruptures " of intelligent electronic device, " SV chain ruptures " etc. therefore
Barrier may cause the part or all of function locking of intelligent electronic device, threaten the normal safe and stable operation of electric system.At present,
After the alarm signal that substation secondary device service personnel is typically connected to that device is sent out in operations staff, substation is gone to carry out
Malfunction elimination is difficult to ensure that with processing, clearing time of fault by traffic conditions and service personnel's quality influence, promptness.
The information sharing standard that intelligent substation is used uniformly is (corresponding for the IEC 61850 of International Electrotechnical Commission's publication
Power industry standard DL/T 860), the hierarchical information of substation is defined, using the data modeling technology of object-oriented,
The especially data self-described method of its object-oriented is carried to transmit the expansion of flexible configuration and new opplication function of information
Having supplied may.In addition, Simple Network Management Protocol (SNMP) can also be carried as the industrial standard for being widely accepted and coming into operation
For the management function of network node basic status, for supporting the interchanger of SNMP, Configuration network management work station can be passed through
Its running state information is obtained in real time.More than technology all provides support for the status monitoring of optical fiber interface.
Utility model content
In view of this, the utility model proposes a kind of intelligent substation fiber failure on-line early warnings of online real-time early warning
System.
What the technical solution of the utility model was realized in：The utility model provides a kind of intelligent substation optical fiber event
Hinder on-line early warning system, including data acquisition unit, data processing unit, data storage cell and data outputting unit,
In, data acquisition unit includes MMS messages collecting unit and SNMP work stations, and data processing unit includes MMS packet parsing lists
Member and processor, wherein,
MMS message collecting units are connect with substation station level network signal, continuous acquisition transforming plant protecting and observing and controlling dress
The MMS messages put；
SNMP work stations are connect with Substation Process layer network and station level network signal, acquire op-tical power information；
MMS packet parsing units, connect respectively with MMS messages collecting unit and data memory cell signal, parsing MMS reports
Op-tical power information in text；
Data storage cell is connect with SNMP work station signals, stores the collected op-tical power information of data acquisition unit；
Processor is connect respectively with data storage cell and data outputting unit signal, according to preset op-tical power information
Range is read out collected op-tical power information, analyzes, and exports alarm command；
Data outputting unit exports pre-warning signal according to alarm command.
On the basis of above technical scheme, it is preferred that SCD model dispensing units are further included, with MMS packet parsing units
Signal connects, and 61850 modeling schemes of IEC are provided for MMS packet parsing units.
On the basis of above technical scheme, it is preferred that further include early-warning parameters dispensing unit, connect with processor signal
It connects, for inputting preset luminous power early warning range.
On the basis of above technical scheme, it is preferred that op-tical power information includes optical power intensity, and processor reads data
The collected optical power intensity of collecting unit, and compared with preset optical power intensity range, when data acquisition unit is adopted
When the optical power intensity collected exceeds preset optical power intensity range, status early warning instruction is sent out.
On the basis of above technical scheme, it is preferred that op-tical power information includes luminous power attenuation, and processor reads data
The collected synchronization of collecting unit, the luminous power attenuation at same physics light path sending and receiving both ends, and decline with preset luminous power
The consumption limit is compared, and when the collected optical power intensity of data acquisition unit exceeds the luminous power attenuation limit, sends out attenuation
Alarm command.
On the basis of above technical scheme, it is preferred that op-tical power information includes optical power change amount, and processor reads number
It is carried out pair according to the optical power change amount in collecting unit collected period certain time, and with preset optical power change amount
Than when the collected optical power change amount of data acquisition unit is less than the optical power change amount limit, it is pre- to send out optical power change
Alert instruction.
The intelligent substation fiber failure on-line early warning system of the utility model has beneficial below relative to the prior art
Effect：
(1) under " three layer of two net " structure, pass through the network protection of MMS message collecting unit continuous acquisition station levels, observing and controlling
Wait the MMS messages of devices；By SNMP work station access process layer switch, SNMP work stations work independently, the exchange of acquisition
Data storage cell is sent on machine status information is unidirectional, it is ensured that process-level network is isolated with the information of station level network；
(2) by the luminous power state information of online, real-time acquisition each optical port of intelligent substation network layer, with reference to physics
Network topology structure analyzes the state value and variation tendency of data, big close to device itself alarm critical value, attenuation to luminous power
Or the fiber link progress early warning there are downward trend, fiber link hidden danger is judged in advance, is gone on patrol for a long time without personnel, for
Troubleshooting promptness is more preferable.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model intelligent substation fiber failure on-line early warning system；
Fig. 2 is the network structure that the utility model is used for intelligent substation.
Specific embodiment
Below in conjunction with the attached drawing in the utility model embodiment, to the technical solution in the utility model embodiment
It being clearly and completely described, it is clear that described embodiment is only a part of embodiment of the utility model, without
It is whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creation
Property labour under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the intelligent substation fiber failure on-line early warning system of the utility model, acquires single including data
Member 1, data processing unit 2, data storage cell 3, data outputting unit 4 and system configuration unit 5.
Data acquisition unit 1 acquires the op-tical power information on Substation Process layer network and station level network.Specifically,
It includes MMS messages collecting unit 11 and SNMP work stations 12.As shown in Fig. 2, MMS messages collecting unit 11 and substation's station control
Layer network signal connects, the MMS messages of continuous acquisition transforming plant protecting and measure and control device.SNMP work stations 12 and process-level network
It communicates with station level network interface, by way of poll, the op-tical power information of each port of periodic reading optical switch.MMS
Message collecting unit 11 and SNMP work stations 12 are physically completely independent, and are prevented between process-level network and station level network
Information flow string.
Data processing unit 2 is parsed and is analyzed, and sent out to 1 collected op-tical power information of data acquisition unit
Alarm command.It includes MMS packet parsings unit 21 and processor 22, wherein,
MMS packet parsings unit 21 is connect respectively with MMS messages collecting unit 11 and 3 signal of data storage cell, to MMS
Message is parsed, the op-tical power information of the intelligent electronic devices such as extraction protection, observing and controlling.Specifically, system configuration unit 5 also wraps
SCD models dispensing unit 51 is included, is connect with 21 signal of MMS packet parsings unit, IEC is provided for MMS packet parsings unit 21
61850 modeling schemes.It to whole station MMS messages, is configured according to SCD, only pair is parsed and carried with the relevant information of device optical port
It takes.Above to send op-tical power information, following 61850 modeling schemes of IEC can be used with measure and control device in protection：In patrolling for S1 accessing points
It is that a logical node for describing light intensity is configured in each process layer optical port to collect in equipment LD0, and logical node class is SCLI, is described as
" optical port reception light intensity " or " optical port transmission light intensity ", the design parameter of reflection device light-receiving/sending module, including optical port module
Name plate information, unit, the value range of luminous power etc.；Wherein, the data object of reflection reception/transmission light intensity value is configured in shape
In state monitoring data collection dsAin, corresponding non-caching control block urcbAin can be arranged on sending the period by parameter intgPd, be pushed away
Recommend and be set as 1800000, i.e., it is 30 minutes every on send it is primary.
Processor 22, and data storage cell 3 and data outputting unit 4, according to preset op-tical power information range, to adopting
The op-tical power information collected is read out, analyzes, and exports alarm command.Specifically, processor 22 can realize following three kinds of sides
The early warning of formula：
(1) status early warning.Data acquisition unit 1 acquires optical power intensity, and is carried out with preset optical power intensity range
Comparison when 1 collected optical power intensity of data acquisition unit exceeds preset optical power intensity range, sends out status early warning
Instruction.For intelligent electronic device, the light work(which is no more than device itself chain circuit alarming or function is latched
Rate bound sends out early warning before optical power down will cause chain circuit alarming or function is latched
(2) attenuation early warning.Data acquisition unit 1 collect synchronization, same physics light path sending and receiving both ends luminous power
Attenuation, and compared with the preset luminous power attenuation limit, when 1 collected optical power intensity of data acquisition unit exceeds light
During the power attenuation limit, attenuation alarm command is sent out.Specifically, it can be calculated according to physical network topology with for the moment
Carve, the luminous power attenuation at same physics light path sending and receiving both ends, wherein, physical network topology can human configuration, can also pass through
SNMP work stations 12 obtain neighbourhood's information table of every interchanger, analyze the equipment connecting relation on network.
(3) optical power change early warning.Data acquisition unit 1 collects the optical power change amount in period certain time, and
It is compared with preset optical power change amount, when 1 collected optical power change amount of data acquisition unit becomes less than luminous power
During the change amount limit, optical power change alarm command is sent out.Specifically, the op-tical power information to optical fiber interface is carried out on time shaft
Laterally compare, as the comparing period for for 24 hours when, then optical power change amount in calculating one day, if beyond optical power change amount pole
Limit, should send out optical power change early warning, guard against it and continue to decline.
Specifically, system configuration unit 5 further includes early-warning parameters dispensing unit 52, it connect, supplies with 22 signal of processor
Enter preset luminous power early warning range.Wherein, optical power intensity range, the light decay consumption limit, comparing period, optical power change
The early-warning parameters such as the limit can be preset by early-warning parameters dispensing unit 52.
Data storage cell 3 stores 1 collected op-tical power information of data acquisition unit, existing memory can be used.
Data outputting unit 4 exports pre-warning signal according to alarm command.Computer screen progress figure can be used and data are defeated
Go out displaying, the prior art can be used.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is new to should be included in this practicality for any modification, equivalent replacement, improvement and so on
Within the protection domain of type.
Claims (2)
1. a kind of intelligent substation fiber failure on-line early warning system, it is characterised in that：It includes data acquisition unit (1), number
According to processing unit (2), data storage cell (3) and data outputting unit (4), wherein, data acquisition unit (1) is reported including MMS
Literary collecting unit (11) and SNMP work stations (12), data processing unit (2) include MMS packet parsings unit (21) and processor
(22), wherein,
MMS messages collecting unit (11) is connect with substation station level network signal；
SNMP work stations (12), connect with Substation Process layer network and station level network signal；
MMS packet parsings unit (21) is connect respectively with MMS messages collecting unit (11) and data storage cell (3) signal；
Data storage cell (3) is connect with SNMP work stations (12) signal；
Processor (22) is connect respectively with data storage cell (3) and data outputting unit (4) signal.
2. intelligent substation fiber failure on-line early warning system as described in claim 1, it is characterised in that：Further include early warning ginseng
Number dispensing unit (52), connect with processor (22) signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721221490.3U CN207588558U (en) | 2017-09-22 | 2017-09-22 | Intelligent substation fiber failure on-line early warning system |
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| CN201721221490.3U CN207588558U (en) | 2017-09-22 | 2017-09-22 | Intelligent substation fiber failure on-line early warning system |
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| CN207588558U true CN207588558U (en) | 2018-07-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687905A (en) * | 2019-01-24 | 2019-04-26 | 国网上海市电力公司 | A kind of intelligent substation communication link abnormal state detection system |
| CN110752959A (en) * | 2019-10-31 | 2020-02-04 | 国网四川省电力公司电力科学研究院 | Intelligent substation process layer physical link fault positioning system |
| CN111260501A (en) * | 2020-01-08 | 2020-06-09 | 山东山大电力技术股份有限公司 | Remote online maintenance system and method for distributed acquisition terminal |
| CN111355529A (en) * | 2018-12-24 | 2020-06-30 | 国网内蒙古东部电力有限公司 | System and method for monitoring on-off of networking optical fiber based on SCD |
| CN113949714A (en) * | 2021-08-25 | 2022-01-18 | 北京中电飞华通信有限公司 | Operation control system and method of power communication network |
-
2017
- 2017-09-22 CN CN201721221490.3U patent/CN207588558U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355529A (en) * | 2018-12-24 | 2020-06-30 | 国网内蒙古东部电力有限公司 | System and method for monitoring on-off of networking optical fiber based on SCD |
| CN109687905A (en) * | 2019-01-24 | 2019-04-26 | 国网上海市电力公司 | A kind of intelligent substation communication link abnormal state detection system |
| CN110752959A (en) * | 2019-10-31 | 2020-02-04 | 国网四川省电力公司电力科学研究院 | Intelligent substation process layer physical link fault positioning system |
| CN111260501A (en) * | 2020-01-08 | 2020-06-09 | 山东山大电力技术股份有限公司 | Remote online maintenance system and method for distributed acquisition terminal |
| CN111260501B (en) * | 2020-01-08 | 2021-02-26 | 山东山大电力技术股份有限公司 | Remote online maintenance system and method for distributed acquisition terminal |
| CN113949714A (en) * | 2021-08-25 | 2022-01-18 | 北京中电飞华通信有限公司 | Operation control system and method of power communication network |
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