CN104319887A - Optical fiber chain scission anomaly judgment method for intelligent transformer substation - Google Patents
Optical fiber chain scission anomaly judgment method for intelligent transformer substation Download PDFInfo
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- CN104319887A CN104319887A CN201410580309.2A CN201410580309A CN104319887A CN 104319887 A CN104319887 A CN 104319887A CN 201410580309 A CN201410580309 A CN 201410580309A CN 104319887 A CN104319887 A CN 104319887A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012668 chain scission Methods 0.000 title abstract 5
- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000004458 analytical method Methods 0.000 claims abstract description 19
- 230000000007 visual effect Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 9
- 241000272814 Anser sp. Species 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract 1
- 238000012876 topography Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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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
-
- 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
- Y04S10/40—Display of information, e.g. of data or controls
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- Data Exchanges In Wide-Area Networks (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to the field of data exchange network of intelligent transformer substations, in particular to an optical fiber chain scission anomaly judgment method for the intelligent transformer substation. An online analysis and decision system for the intelligent transformer substation is popularized in the existing intelligent transformer substation, and however, the online analysis and decision system for the intelligent transformer substation does not include the communication network topology of the intelligent transformer substation, and therefore, the online analysis and decision system enables the optical fiber chain scission fault of the intelligent transformer substation to be difficult to identify and analyze. According to the relevant technology specifications of the intelligent transformer substations of power grid companies of China and the engineering practice, the optical fiber chain scission anomaly judgment method for the intelligent transformer substation designs a network topography for the intelligent transformer substation, researches a single-interval dynamic visual network topology platform for the intelligent transformer substation, and dynamically and visually simulates the communication mode between intelligent electronic equipment of the intelligent transformer substation and the data transmission content. The optical fiber chain scission anomaly judgment method for the intelligent transformer substation is simple in design, easy to implement and capable of well adapting to the existing domestic and foreign intelligent transformer substations and online analysis and decision systems of the intelligent transformer substations; the application prospect and popularization prospect are broad.
Description
Technical Field
The invention relates to the field of data exchange networks of intelligent substations, in particular to a method for judging an optical fiber chain breakage abnormity of an intelligent substation.
Background
According to the overall layout and requirements of the national grid company on the electric power construction and development in China in future, the intelligent transformer substation is a new development direction of future transformer substations. The intelligent substation is mainly characterized by primary equipment intellectualization, secondary equipment networking and advanced application thereof. And the secondary equipment networking is optical fiber network communication between the substation bay level and between the bay level and the process level based on the IEC61850 network communication technology. By means of the technology, the intelligent substation can realize high information sharing. The network topology is the core of the network communication of the intelligent substation. At present, an online analysis and decision system of an intelligent substation is popularized and used in the existing intelligent substation, but the communication network topology of the intelligent substation is not introduced into the existing online analysis and decision system of the intelligent substation, so that difficulty is caused for identification and analysis of an optical fiber broken link fault of the intelligent substation.
Disclosure of Invention
Aiming at the defect that identification and analysis of the optical fiber chain breakage fault of the intelligent substation are difficult in the prior art, the invention provides the method for judging the optical fiber chain breakage abnormity of the intelligent substation.
The technical scheme of the invention is as follows:
an intelligent substation optical fiber broken link abnormity judgment method is characterized by comprising the following steps:
(a) establishing an intelligent substation single-interval dynamic visual network topology platform;
(a-1) taking a background monitoring server, a merging unit, an intelligent terminal, a measurement and control device, a protection device, a wave recording device and a switch of an intelligent substation as logic nodes, and drawing an intelligent substation communication network topological graph for a logic branch by taking a connection relation among a sampling communication network, a general object-oriented substation event communication network and a production message communication network;
the sampling communication network, referred to as an SV network for short, can sample the input according to a specified sampling rate; the general object-oriented substation event communication network, called GOOSE network for short, is used for freely exchanging information among devices of different manufacturers, is used for transmitting trip signals, locking signals and the like in a digital substation, and has the characteristics of quick and reliable message transmission; an operation message communication network, called MMS network for short, is mainly used for information communication in the industrial field;
(a-2) manufacturing an intelligent substation single-interval dynamic visual network topology platform according to the network topology map in the step (a) by using Flash software, wherein the intelligent substation single-interval dynamic visual network topology platform can be used for displaying communication lines related to input communication fault signals in a distinguishing manner;
(b) judging a fault line with abnormal optical fiber chain breakage of the intelligent substation;
(b-1) inputting a communication fault signal displayed by the on-line analysis decision system of the intelligent substation into the single-interval dynamic visual network topology platform of the intelligent substation in the step (a-2) to obtain an optical fiber broken link suspected fault line;
and (b-2) manually checking the suspected fault lines in the step (b-1) one by one until the fault line with the abnormal optical fiber chain breakage in the intelligent substation is determined.
Specifically, the merging unit in the step (a-1) comprises a bus merging unit and a local interval merging unit, and the intelligent terminal comprises a local interval intelligent terminal,A mother voltage transformer intelligent terminal,Female voltage transformer intelligent terminal and female antithetical couplet intelligent terminal, measuring and control device include electric energy meter, this interval protection measurement and control machine and public measurement and control machine, and protection device includes the bus protection machine, and the oscillograph device includes trouble oscillograph, and the switch includes station accuse layer switch, total station public switch, process layer public switch, female antithetical couplet interval switch and this interval switch. Wherein,intelligent terminal of mother voltage transformerA master PT intelligent terminal is provided with a master PT intelligent terminal,intelligent terminal of mother voltage transformerFemale PT intelligent terminal.
Specifically, the network topology map in step (a-1) further includesA mother voltage transformer,The system comprises a mother voltage transformer, a line current transformer, an equipment body and a cable network. Wherein,mother voltage transformerThe number of the parent PT is,mother voltage transformerThe bus PT, the line voltage transformer is called line PT for short, and the line current transformer is called line CT for short.
Specifically, step (a-1) in the network topology mapMother PT andthe bus PT is respectively connected with the bus merging unit in a one-way mode through a link; the line PT and the line CT are respectively connected with the interval merging unit in a unidirectional way through a link; the equipment body is connected with the intelligent terminal in a one-way mode through 2 reverse links; a bus merging unit, a bus protector, a fault filter, a local interval exchanger,A mother PT intelligent terminal,The bus PT intelligent terminal and the bus-coupled interval switch are respectively connected with the process layer public switch in a unidirectional mode through 2 reverse links; the process layer public switch is respectively connected with the total station public switch and the public measurement and control machine in a unidirectional way through 2 reverse links; the station control layer switch is respectively in bidirectional connection with the public monitoring machine, the interval protection monitoring machine and the background monitoring server through links;
the bus protector is respectively connected with the interval intelligent terminal and the bus-coupled intelligent terminal in a one-way mode through links; the interval intelligent terminal is unidirectionally connected with the interval protection measuring and controlling machine through 2 reverse links; the bus-coupled intelligent terminal is connected with the bus-coupled interval switch in a unidirectional way through 2 reverse links;
the bus merging unit is respectively connected with the interval merging unit, the bus protector and the fault recorder in a one-way mode through links; the interval merging unit is respectively connected with the interval protection measuring and controlling machine, the electric energy meter and the fault recorder in a one-way mode through links;
the interval merging unit, the interval protection measurement and control machine and the interval intelligent terminal are respectively connected with the interval switch in a unidirectional mode through 2 reverse links.
The invention has the beneficial effects that: according to the invention, according to the related technical specifications of the intelligent substation of the national grid company and by combining with engineering practice, an intelligent substation network topological graph is designed, a single-interval dynamic visual network topological platform of the intelligent substation is developed, and the network topological platform is utilized to perform dynamic visual simulation on the communication mode and the data transmission content among all intelligent electronic devices of the intelligent substation. When the intelligent substation online analysis decision-making system is used, a communication fault signal is input to the network topology platform, the network topology platform automatically displays related communication lines, visualization of intelligent substation optical fiber broken link abnormity is achieved, operation of operators is greatly facilitated, and the intelligent substation online analysis decision-making system has great significance for further development of the intelligent substation online analysis decision-making system in the future. The online analysis decision-making system is simple in design and easy to implement, has good adaptability with the existing intelligent substations at home and abroad and the existing online analysis decision-making system of the intelligent substations, and has wide application and popularization prospects.
Drawings
Fig. 1 is a topological diagram of an intelligent substation communication network according to the present invention.
Wherein, links 1, 2, 3 are MMS networks, links 30, 31, 32, 33, 34, 35, 36 are SV networks, links 4, 5, 6, 7, 8, 9, 10, 13, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 37, 38, 39, 40, 41, 42, 43, 44, 45 and 46 are GOOSE networks, and links 11, 12, 14, 15, 16 and 17 are cable networks.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1, an intelligent substation communication network topology diagram of the present invention is designed and established. In the topology of the network in question,mother PT andthe bus PT is connected with the bus merging unit in a one-way mode through links 17 and 16 respectively; the line PT and the line CT are respectively connected with the interval merging unit in a unidirectional way through links 15 and 14; the equipment body is connected with the intelligent terminal in a one-way mode through links 11 and 12; the bus merging unit via links 28, 37, the bus protection machine via links 27, 26, the fault filter via links 25, 38, the local bay switch via links 21, 22,the parent PT intelligent terminal is connected via links 42, 8,the mother PT intelligent terminal is respectively connected with the process layer public switch in a one-way mode through links 41 and 7 and the mother connection interval switch through links 45 and 5; the process layer public switch is respectively connected with the total station public switch and the public measurement and control machine in a unidirectional way through links 9, 10, 39 and 4; and the station control layer switch is respectively in bidirectional connection with the public monitoring machine, the local interval protection monitoring machine and the background monitoring server through links 2, 3 and 1.
The bus protector is respectively connected with the interval intelligent terminal and the bus-coupled intelligent terminal in a one-way mode through links 13 and 40; the interval intelligent terminal is connected with the interval protection measuring and controlling machine in a one-way mode through links 46 and 29; the bus-coupled intelligent terminal is connected with the bus-coupled interval switch in a one-way mode through links 44 and 6.
The bus merging unit is respectively connected with the interval merging unit, the bus protector and the fault recorder in a unidirectional way through links 34, 35 and 36; the interval merging unit is respectively connected with the interval protection measuring and controlling machine, the electric energy meter and the fault recorder in a unidirectional mode through links 30, 31 and 32.
The interval merging unit is connected with the interval exchanger in a one-way mode through links 23 and 24, the interval protection measuring and controlling machine is connected with the interval exchanger in a one-way mode through links 19 and 20, and the interval intelligent terminal is connected with the interval exchanger in a one-way mode through links 43 and 18.
In the topology diagram of the intelligent substation communication network in the embodiment, the links 1, 2, and 3 are MMS networks, the links 30, 31, 32, 33, 34, 35, and 36 are SV networks, the links 4, 5, 6, 7, 8, 9, 10, 13, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 37, 38, 39, 40, 41, 42, 43, 44, 45, and 46 are GOOSE networks, and the links 11, 12, 14, 15, 16, and 17 are cable networks.
In this embodiment, the process of analyzing the optical fiber chain breakage abnormality of the intelligent substation is as follows:
1. and designing and establishing a communication network topological graph of the intelligent substation.
2. Manufacturing an intelligent substation single-interval dynamic visual network topology platform according to a network topology diagram by using Flash software; the intelligent substation single-interval dynamic visual network topology platform can display communication lines related to communication fault signals in a distinguishing mode according to the input communication fault signals.
3. When the communication abnormal condition occurs in the intelligent substation, the communication fault signal displayed by the intelligent substation online analysis decision system is input into the intelligent substation single-interval dynamic visual network topology platform to obtain the optical fiber broken link suspected fault line.
4. And manually checking suspected faulty lines one by one until the actual faulty line is determined.
In the embodiment, the intelligent substation is a 220kV double-tower intelligent substation established in Hebei Handan, and the intelligent substation online analysis decision system used in the intelligent substation is a PRS-7000 type system developed by Changyuan deep-rui relay protection company.
The method is mainly characterized in that a communication network topological graph of the intelligent substation is designed and established, the network topological graph of the intelligent substation is drawn according to relevant technical specifications of the intelligent substation of a national power grid company and by combining with actual engineering conditions, and the suspected fault line of the broken optical fiber can be obtained by combining with the network topological graph according to communication fault signals prompted by an existing on-line analysis decision system of the intelligent substation. For example, in this embodiment, the intelligent substation online analysis decision system displays "the intelligent terminal receives protection measurement and control device GOOSE broken link (networking)" information, and it can be determined that the links 19 and 43 are suspected faulty lines by using the intelligent substation network topology map, and a worker inspects the lines 19 and 43 of the GOOSE network to determine an actual faulty line.
It should be noted that, the technology of making a single-interval dynamic visual network topology platform of an intelligent substation by using Flash software according to a network topology map is common knowledge in the art, and even though the present invention is not described in detail, the above steps should be clear to those skilled in the art.
The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (1)
1. An intelligent substation optical fiber broken link abnormity judgment method is characterized by comprising the following steps:
(a) establishing an intelligent substation single-interval dynamic visual network topology platform;
(a-1) taking a background monitoring server, a merging unit, an intelligent terminal, a measurement and control device, a protection device, a wave recording device and a switch of an intelligent substation as logic nodes, and drawing a communication network topological graph of the intelligent substation as a logic branch by taking the connection relation of an SV network, a GOOSE network and an MMS network;
(a-2) manufacturing an intelligent substation single-interval dynamic visual network topology platform according to the network topology map in the step (a-1) by using Flash software, wherein the intelligent substation single-interval dynamic visual network topology platform can be used for differentially displaying communication lines related to input communication fault signals;
(b) judging a fault line with abnormal optical fiber chain breakage of the intelligent substation;
(b-1) inputting a communication fault signal displayed by an online analysis decision system of the intelligent substation into the single-interval dynamic visual network topology platform of the intelligent substation in the step (a-2) to obtain an optical fiber broken link suspected fault line;
(b-2) manually checking the suspected fault lines in the step (b-1) one by one until the fault line with optical fiber chain breakage abnormity of the intelligent substation is determined;
the merging unit comprises a bus merging unit and a local interval merging unit, and the intelligent terminal comprises a local interval intelligent terminal,A mother PT intelligent terminal,The monitoring device comprises an electric energy meter, a local interval protection monitoring machine and a public monitoring machine, the protection device comprises a bus protector, the wave recording device comprises a fault wave recorder, and the switch comprises a station control layer switch, a total station public switch, a process layer public switch, a bus coupler interval switch and a local interval switch;
the network topology further includesA mother PT,A mother PT, a line CT, an equipment body and a cable network;
step (a-1) in the network topology mapMother PT andthe bus PT is connected with the bus merging unit in a one-way mode through links (17) and (16) respectively; the line PT and the line CT are respectively connected with the interval merging unit in a unidirectional way through links (15) and (14); the equipment body is connected with the interval intelligent terminal in a one-way mode through links (11) and (12); the bus merging unit is connected with the bus protector through the links (27) and (26), the fault filter is connected with the links (25) and (38), the interval exchanger is connected with the bus merging unit through the links (28) and (37),the mother PT intelligent terminal is connected with the network through the links (42), (8),the mother PT intelligent terminal is respectively connected with the process layer public switch in a one-way mode through links (41) and (7) and the mother connection interval switch through links (45) and (5); the process layer public switch is unidirectionally connected with the total station public switch and the public measurement and control machine through links (9), (10), and (39), (4) respectively; the station control layer switch is respectively in bidirectional connection with the public monitoring machine, the interval protection monitoring machine and the background monitoring server through links (2), (3) and (1);
the bus protector is respectively connected with the interval intelligent terminal and the bus-coupled intelligent terminal in a one-way mode through links (13) and (40); the interval intelligent terminal is connected with the interval protection measuring and controlling machine in a one-way mode through links (46) and (29); the bus-coupled intelligent terminal is connected with the bus-coupled interval switch in a one-way mode through links (44) and (6);
the bus merging unit is respectively connected with the interval merging unit, the bus protector and the fault recorder in a unidirectional way through links (34), (35) and (36); the interval merging unit is respectively connected with the interval protection measuring and controlling machine, the electric energy meter and the fault recorder in a one-way mode through links (30), (31) and (32);
the interval merging unit is connected with the interval exchanger in a unidirectional way through links (23) and (24), the interval protection measuring and controlling machine is connected with the interval exchanger in a unidirectional way through links (19) and (20), and the interval intelligent terminal is connected with the interval exchanger in a unidirectional way through links (43) and (18).
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| CN201410580309.2A CN104319887B (en) | 2014-10-27 | 2014-10-27 | A kind of intelligent substation optical fiber chain rupture abnormality determination method |
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| CN201410580309.2A CN104319887B (en) | 2014-10-27 | 2014-10-27 | A kind of intelligent substation optical fiber chain rupture abnormality determination method |
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| CN107231188A (en) * | 2017-07-26 | 2017-10-03 | 国网福建省电力有限公司 | A kind of intelligent station optical fiber chain rupture point method for quickly identifying |
| CN107657375A (en) * | 2017-09-25 | 2018-02-02 | 国网上海市电力公司 | A kind of method for electric network fault judgement, verification and fault incidence analysis |
| CN113904312A (en) * | 2021-10-19 | 2022-01-07 | 国网江苏省电力有限公司无锡供电分公司 | Intelligent station 220kV bus differential protection networking optical fiber broken link defect eliminating method and device |
| CN115022183A (en) * | 2022-06-09 | 2022-09-06 | 重庆邮电大学 | Method for restoring network dynamic topological graph and visually presenting based on monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107657375A (en) * | 2017-09-25 | 2018-02-02 | 国网上海市电力公司 | A kind of method for electric network fault judgement, verification and fault incidence analysis |
| CN113904312A (en) * | 2021-10-19 | 2022-01-07 | 国网江苏省电力有限公司无锡供电分公司 | Intelligent station 220kV bus differential protection networking optical fiber broken link defect eliminating method and device |
| CN113904312B (en) * | 2021-10-19 | 2024-03-22 | 国网江苏省电力有限公司无锡供电分公司 | Method and device for breaking link and eliminating defect of 220kV bus differential protection networking optical fiber of intelligent station |
| CN115022183A (en) * | 2022-06-09 | 2022-09-06 | 重庆邮电大学 | Method for restoring network dynamic topological graph and visually presenting based on monitoring |
| CN115022183B (en) * | 2022-06-09 | 2023-09-12 | 重庆邮电大学 | Method for restoring network dynamic topological graph and visualized presentation based on monitoring |
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| CN104319887B (en) | 2016-06-08 |
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