CN101661842B - Integrated mis-logical locking prevention system of digital substation - Google Patents
Integrated mis-logical locking prevention system of digital substation Download PDFInfo
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- CN101661842B CN101661842B CN 200810141184 CN200810141184A CN101661842B CN 101661842 B CN101661842 B CN 101661842B CN 200810141184 CN200810141184 CN 200810141184 CN 200810141184 A CN200810141184 A CN 200810141184A CN 101661842 B CN101661842 B CN 101661842B
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Abstract
The invention relates to an integrated mis-logical locking prevention system of a digital substation, which is characterized in that: the system comprises two stages of independent mis-logical locking prevention of a station monitor and control layer and mis-logical locking prevention of a bay layer, wherein the mis-logical locking prevention of the bay layer is established based on communicationbetween a bay layer and a process layer of a GOOSE mechanism; intelligent equipment of the bay layer acquires required state information participating in logic locking calculation by utilizing the GOOSE mechanism through a network of the process layer; and the system consists of an operator station of the station monitor and control layer, the intelligent equipment of the bay layer, and an intelligent interface of the process layer. The system makes up for the deficiency of the conventional anti-misoperation locking system, simplifies construction, improves reliability, and has clear hierarchies; and the GOOSE mechanism ensures quick and reliable information transmission.
Description
Technical field
The invention belongs to the power system automation technology field, be specifically related to a kind of integrated mis-logical locking prevention system of digital transformer substation.
Background technology
How electric power system prevents wrong grid switching operation and accidents caused (particularly major accident) is the significant problem of the puzzlement industry always, and error proof locking system of microcomputer is undertaken an important business in the power system security operating aspect with its unique logic judgement.Existing error proof locking system of microcomputer be a kind of take computer and ancillary equipment thereof as the basis, intelligent expert system is as the computer monitoring system that prevents the human operational error of core, it is comprised of following components: microcomputer, simulated operation and display screen, field data collection and communication system device, computer key, electronic blocking device, intelligent expert system software etc., and the auxiliary equipment such as power supply, printer, keyboard, mouse.Not only need to drop into specially substantial contribution configuration error proof locking system of microcomputer, and also there are many problems in these systems.For example: do not have signal to be connected (perhaps not exclusively realizing connecting) between the mimic diagram that adopts in the existing microcomputer anti-misoperation system and the on-the-spot actual device, and the equipment state correctness is directly connected to the correctness of simulated operation in the mimic diagram.If when the equipment contraposition, occur not being inconsistent with field apparatus but simulated operation can by five situations of preventing the detection of expert systems, then significant error might occur.Also have in traditional error proof locking system of microcomputer, to require sending to computer key at content of operation and go forward side by side behind the line operate, operating process artificial (or by modes such as bluetooth communications) must be back to anti-error locking system.If do not return, the equipment state in the mimic diagram will be not can displacement, the state of each equipment in this system is not conformed to the actual conditions, stay unsafe factor to next operation.
Along with the capacity of transformer station constantly increases, improving constantly of electric pressure, the raising of automation of transformation substations level, unattended station quantity increases, the regular job of concentrator station or control centre is processed also increasing, the anti-misoperation locking amount of information that need to relate to increases, and the information effect is numerous and diverse between conventional special-purpose five-preventing system and the integrated system, has increased the possibility that makes mistake.In a single day the deadlock problem appears in five-preventing system, will have a strong impact on the power system security reliability service.
Summary of the invention
Not enough for solving prior art, the object of the present invention is to provide a kind of integrated mis-logical locking prevention system for digital transformer substation.This system comprises independently anti-error logic blocking of two-stage: the anti-error logic blocking of station level and the anti-error logic blocking of wall.The anti-error logic blocking function of station level is integrated in the supervisory control system, obtain the positional information of each interval primary equipment of full station from bay device by optical fiber self-healing looped network, carry out logic calculus according to predefined logical relation, respective operations is opened when the condition of controlled device is set up, otherwise its respective operations is blocked; The anti-error logic blocking function of wall is take the wall smart machine as main body, based on process-level network, obtains the positional information of primary equipment from process layer by GOOSE mechanism.
In order to reach the foregoing invention purpose, the present invention is achieved through the following technical solutions:
A kind of integrated mis-logical locking prevention system of digital transformer substation is characterized in that: two-stage is the anti-error logic blocking of station level and the anti-error logic blocking of wall independently.A) the station level operator station is comprised of computer hardware, operating system, application software system (comprising communication software, database software system and human-computer interface system); Operating personnel select an object to carry out control operation by man-machine interface, and the anti-error logic blocking functional software of the station level module that is integrated in supervisory control system will determine according to resulting in it is locking or open this control operation; B) the wall smart machine is comprised of embedded device, has two class network interfaces, is electric Ethernet interface to station level, is the luminiferous ether network interface to process layer; From network receive be dealt into the guidance command of this interval smart machine by station level after, resulting in of anti-error logic blocking function according to the wall smart machine determines it is open the execution or the locking execution, the state of the needed primary equipment of logic calculus all obtains from the process layer intelligence interface with GOOSE mechanism by process-level network, the GOOSE mechanism real-time and the reliability of information; C) the process layer intelligence interface is the I/O equipment of installing nearby with respect to primary equipment, and the primary equipment positional information that gathers is sent to the wall smart machine of having subscribed to this information by GOOSE mechanism via process-level network.The anti-error logic blocking of its intermediate interlayer is again on the wall and process layer communication infrastructure that is based upon based on GOOSE mechanism, and the wall smart machine utilizes GOOSE mechanism to obtain the state information of needed participation logic blocking calculation by process-level network.
The integrated mis-logical locking prevention system of aforesaid a kind of digital transformer substation, it is characterized in that three-layer equipment and two-tier network, three-layer equipment is respectively station level, wall and process layer, and two-tier network is respectively the station level network of optical fiber self-healing annular Ethernet and the process-level network of switching Ethernet.
The integrated mis-logical locking prevention system of aforesaid a kind of digital transformer substation is characterized in that possessing in the station level operator station the anti-error logic blocking function of station level, and this function is integrated in the supervisory control system.
The integrated mis-logical locking prevention system of aforesaid a kind of digital transformer substation is characterized in that the wall smart machine possesses anti-error logic blocking function, and this functional independence does not rely on station level.
The integrated mis-logical locking prevention system of aforesaid a kind of digital transformer substation, it is characterized in that between wall smart machine and the process layer intelligent interface unit by the process-level network interactive information, information interaction mechanism is based on GOOSE mechanism, directly obtains this required interval information of self-locking and the needed state information of striding the interval of interlocking from the process layer intelligence interface.
The integrated mis-logical locking prevention system of aforesaid a kind of digital transformer substation is characterized in that the station level network of optical fiber self-healing annular Ethernet possessing communication network real time monitoring function and self-healing function.
The integrated mis-logical locking prevention system of aforesaid a kind of digital transformer substation is characterized in that the process-level network of switching Ethernet, supports fiber optic data communication interface.
Advantage of the present invention is: system configuration is reasonable, clear layer, and easy construction, the anti-error logic blocking functional independence of two-stage has guaranteed the reliability of controlling.
The integrated mis-logical locking prevention system of digital transformer substation comprises station level operator station, wall smart machine, process layer intelligence interface, because the particularity of environment for use, this system also possesses following characteristics:
1, reliability, the anti-error logic blocking function of station level and wall two-stage, even two-stage independently function ensured that the anti-error function of a level lost efficacy and also to have the function of another one level to work, and ensured the fail safe of operation.
2, communicate by letter between wall and the process layer, the trip signal of wall smart machine is by passing to the process layer smart machine under the GOOSE mechanism, the process layer smart machine passes to the wall smart machine with the positional information of primary equipment by GOOSE mechanism, the GOOSE mechanism real-time and reliability.
Description of drawings
Fig. 1 system construction drawing.
Embodiment
Fig. 1 is system construction drawing of the present invention, below in conjunction with accompanying drawing the present invention is further detailed.
A kind of integrated mis-logical locking prevention system of digital transformer substation, please referring to shown in Figure 1, it comprises station level operator station, wall smart machine, process layer intelligence interface.The station level operator station is comprised of computer hardware, operating system, application software system (comprising communication software, database software system and human-computer interface system); Operating personnel select an object to carry out control operation by man-machine interface with mouse, and the anti-error logic blocking functional software of the station level module that is integrated in supervisory control system will determine according to resulting in it is locking or open this control operation; From network receive be dealt into the guidance command of this interval smart machine by station level after, resulting in of anti-error logic blocking function according to the wall smart machine determines it is open the execution or the locking execution, and the state of the needed primary equipment of logic calculus all obtains from the process layer intelligence interface with GOOSE mechanism by process-level network; The process layer intelligence interface sends to the wall smart machine of having subscribed to this relevant positional information in interval with GOOSE mechanism with the positional information of the primary equipment that gathered.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: the present invention is made amendment or is equal to replacement, and do not break away from any modification or partial replacement of the spirit and scope of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. the integrated mis-logical locking prevention system of a digital transformer substation, it is characterized in that: two-stage is the anti-error logic blocking of station level and the anti-error logic blocking of wall independently, the anti-error logic blocking of its intermediate interlayer is again on the wall and process layer communication infrastructure that is based upon based on GOOSE mechanism, the wall smart machine passes through process-level network, utilize GOOSE mechanism to obtain the state information of needed participation logic blocking calculation, station level and wall two-level logic blocking function are independent, the anti-error function of a level lost efficacy, and the function of another one level works; Two-stage is the anti-error logic blocking of station level and the anti-error logic blocking of wall independently; A) the station level operator station is comprised of computer hardware, operating system, application software system; Operating personnel select an object to carry out control operation by man-machine interface, and the anti-error logic blocking functional software of the station level module that is integrated in supervisory control system will determine according to resulting in it is locking or open this control operation; B) the wall smart machine is comprised of embedded device, has two class network interfaces, is electric Ethernet interface to station level, is the luminiferous ether network interface to process layer; From network receive be dealt into the guidance command of this interval smart machine by station level after, resulting in of anti-error logic blocking function according to the wall smart machine determines it is open the execution or the locking execution, the state of the needed primary equipment of logic calculus all obtains from the process layer intelligence interface with GOOSE mechanism by process-level network, the GOOSE mechanism real-time and the reliability of information; C) the process layer intelligence interface is the I/O equipment of installing nearby with respect to primary equipment, and the primary equipment positional information that gathers is sent to the wall smart machine of having subscribed to this information by GOOSE mechanism via process-level network.
2. require described system according to right 1, it is characterized in that: three-layer equipment and two-tier network, three-layer equipment is respectively station level, wall and process layer, and two-tier network is respectively the station level network of optical fiber self-healing annular Ethernet and the process-level network of switching Ethernet.
3. require described system according to right 1, it is characterized in that: possess the anti-error logic blocking function of station level in the station level operator station, this function is integrated in the supervisory control system.
4. require described system according to right 1, it is characterized in that: the wall smart machine possesses anti-error logic blocking function, and this functional independence does not rely on station level.
5. require described system according to right 1, it is characterized in that: pass through the process-level network interactive information between wall smart machine and the process layer intelligent interface unit, information interaction mechanism is based on GOOSE mechanism, directly obtains this required interval information of self-locking and the needed state information of striding the interval of interlocking from the process layer intelligence interface.
6. require described system according to right 1, it is characterized in that: the station level network of optical fiber self-healing annular Ethernet possesses communication network real time monitoring function and self-healing function.
7. require described system according to right 1, it is characterized in that: the process-level network of switching Ethernet, support fiber optic data communication interface.
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| CN 200810141184 CN101661842B (en) | 2008-08-28 | 2008-08-28 | Integrated mis-logical locking prevention system of digital substation |
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| CN 200810141184 CN101661842B (en) | 2008-08-28 | 2008-08-28 | Integrated mis-logical locking prevention system of digital substation |
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| CN101661842B true CN101661842B (en) | 2013-10-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208996B (en) * | 2011-05-18 | 2018-06-26 | 河南省电力公司 | Method is monitored for the network security of digital transformer substation network-enabled intelligent equipment |
| CN103457353B (en) * | 2013-08-23 | 2015-06-03 | 贵州电力试验研究院 | Method for master substation fault analysis based on cross-interval network message data fusion |
| CN103559749B (en) * | 2013-11-01 | 2018-11-13 | 南京南瑞继保电气有限公司 | A kind of motor technique interlock system and method |
| CN105375619B (en) * | 2014-08-20 | 2018-03-02 | 珠海优特电力科技股份有限公司 | Transformer station's blocking mechanism |
| CN105306328B (en) * | 2015-11-03 | 2018-09-21 | 南京国电南自电网自动化有限公司 | A kind of secondary equipment of intelligent converting station looped network distributed structure/architecture method and system |
| CN106774068B (en) * | 2016-10-28 | 2019-02-05 | 国网辽宁省电力有限公司电力科学研究院 | The anti-error implementation method of intelligent substation and realization system |
| CN106452900A (en) * | 2016-11-04 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Substation industrial control system simulation platform setup method based on network protocol |
| CN106532961B (en) * | 2016-12-26 | 2019-08-27 | 北京四方继保自动化股份有限公司 | A kind of intelligent substation Interlocking Methods based on information fusion |
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| CN101149607A (en) * | 2007-11-13 | 2008-03-26 | 国电南京自动化股份有限公司 | Error lock-proof function design scheme for intelligent measuring and control device |
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| CN101149607A (en) * | 2007-11-13 | 2008-03-26 | 国电南京自动化股份有限公司 | Error lock-proof function design scheme for intelligent measuring and control device |
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| 500kV综合自动化变电站的防误闭锁应用;陈志军等;《继电器》;20060916;第34卷(第18期);第59-61页 * |
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