CN101458504A - Digital synthesis protection observe and control unit of multipath operation mode - Google Patents
Digital synthesis protection observe and control unit of multipath operation mode Download PDFInfo
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- CN101458504A CN101458504A CNA2008102431603A CN200810243160A CN101458504A CN 101458504 A CN101458504 A CN 101458504A CN A2008102431603 A CNA2008102431603 A CN A2008102431603A CN 200810243160 A CN200810243160 A CN 200810243160A CN 101458504 A CN101458504 A CN 101458504A
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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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- 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
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a digital integrated protection measurement and control unit with multi-path operation mode. The unit has characteristics that the unit includes a plurality of IED function units. The IED function units are independent and information shared, can realize pooling function, relay protective function, intelligent operation function as a whole and have functions of measuring, controlling, recording wave, system analysis; various internet bus connected with various IED function unit for realizing communication function; an intelligent operating unit that can control internet communication, and can collect states of skip, piece on, piece after, remote of switch, also can collect intelligent operation unit of a remote message defined by user; the remote message defined by user; a user protective unit that can read corresponding information from the IED function unit, process logic calculation, judge and result, and sends various corresponding information to the IED function unit. The digital integrated protection measurement and control unit with multi-path operation mode can realize resource information sharing rapidly without needing network communication, and has low cable amount and simple structure.
Description
Technical field
The present invention relates to the digital integrated protection measurement and control unit of a kind of transformer station, belong to electrical technology field.
Background technology
In recent years, computer technology, the information processing technology and network communications technology development have produced tremendous influence to electric substation automation system rapidly.Along with the formation gradually of extra-high voltage, high capacity, super large system electrical network, higher more urgent requirement has been proposed for power grid security, stable, reliable, control, information interaction etc.
Existing typical electric substation automation system generally is divided into three layers, and lowermost layer is observing and controlling, protective device, and the middle layer is a communication control unit, and the upper strata is the daemon software system.Whole message processing flow is that observing and controlling and protective device produce raw information by the secondary cable collection; manage various observing and controlling and protective device by communication control unit; with its realization information interaction, communication control unit or analytic message or be forwarded to the backstage and resolve voluntarily by the backstage.Memory bank is transmitted or deposited in to the essence of resolving just to all data according to the internal system unified format, background system carries out analyzing and processing when resolving, trigger event alarm, operations such as state displacement, login warehouse-in, the inquiry of support historical record issues functions such as control order.The system of this kind pattern has obtained good effect.But it also has the some shortcomings part, be mainly reflected in following some:
1) once and the information interaction between the electrical secondary system still continue traditional cable connection pattern, the cost height, is safeguarded inconvenience at construction.
2) part of data acquisition of electrical secondary system repeats in a large number, the waste resource.
3) information standardization is not enough, and the information sharing degree is low.Many cover systems are also deposited, and between the equipment, the difficulty that interconnects between equipment and the system, form information island, and information is difficult to by integrated application.
4) when having an accident, a large amount of event alarm information can appear, lack effective strobe utility, disturb the correct judgement of operations staff on duty to fault.
IEC61850 and electronic type PT/CT are two big pillars of digital transformer substation.Utilization IEC61850, can unify transformer station once, the secondary device model, add self-described characteristic and the uniformity test of IEC61850, the information standardization degree promotes, interconnecting between secondary device, factory station and the concentrator station will seem convenient.Utilization electronic type PT/CT, communication cable replaces a large amount of secondary cables, can simplify design, the construction of transformer station and safeguard that ground, minimizing transformer station station area economizes on resources.
Digital transformer substation is to be the digitizing object with first and second system of transformer station, digital information is carried out unified Modeling, physical equipment is virtual, adopt standardized network communication platform, realize information sharing and interoperability, satisfy safety, stable, reliable, modernized transformer station that economical operation requires.The digital transformer substation technology will be in continuous development and the perfect process.For now, meet the substation communication network of IEC61850 standard and system, intelligentized primary equipment (as electronic mutual inductor, intelligent switch etc.), the secondary device of networking, the operation management system of robotization, be its topmost technical characterictic.
From long term growth, demand towards digital power grid, the digital transformer substation technology also will be referred in have: the information interaction technology between the transformer station, between transformer station and the control center, information security technology, wide area synchronous sampling technique, real-time dynamic monitoring technology, quality of power supply on-line monitoring technique, real-time analysis technology, and the technological incorporation of first and second system.
Summary of the invention
Technical matters to be solved by this invention provides a kind of digital synthesis protection measurement and control unit that need not realize that resource information is shared by network communication on the spot quickly and easily;
Another technical matters to be solved by this invention provides a kind of cable with a small amount of, simple in structure, the digital synthesis protection measurement and control unit that the secondary cable failure rate is low.
For solving the problems of the technologies described above, the invention provides a kind of digital synthesis protection measurement and control unit of multi-channel running pattern, it is characterized in that: comprise that a plurality of independences and mutual information are shared, as to realize many circuits pooling functions, relay protection function, intelligence operation function are in one and possess the IED functional unit of synchro measure, control, record ripple, systematic analysis function;
Link to each other with each IED functional unit and to realize the various Ethernet buses of communication function;
With control Ethernet communicate, can gather switch the jumping position, close the position, close the back, distant place state, can also gather the intelligence operation unit of user-defined remote signalling;
User-defined remote signalling; And
Can read relevant information from the IED functional unit, carry out logical calculated, logic determines, logical consequence processing, and send user's protected location of relevant information separately to the IED functional unit.
Described IED functional unit is made of dual-CPU system, and two systems realize resource sharing by the high speed dual port RAM, one of them system is a core with 32 bit DSPs of the BF533 model of ADI company, another system with band POWERPC operating system 8270 as core.
32 bit DSPs of described BF533 model comprise:
With the AD mould interface that interface links to each other of going into to sample;
The interface that the I/O input/output port links to each other;
The interface that links to each other with the GPS interface;
The interface that links to each other with RAM, FLASH storer;
The interface that links to each other with industrial bus CAN, RS485 serial ports, RS232 serial ports.
Described 8270 systems support the IEC61850 communication standard, connect when supporting mostly to be 8 clients most; OO data modeling, but dynamic creation MMXU, XCBR, the various observing and controlling element protection of XSWI, CSWI model; But dynamic creation PDIS, PIOC, the various protection models of RDRE, RADR; Support SNTP to the time; Support GOOSE transmission/reception remote signalling, empty remote signalling information, support GOOSE transmission/reception locking information, simultaneously can detail record GOOSE information.
Described Ethernet bus comprises control Ethernet bus, voltage Ethernet bus and station level Ethernet bus.
The beneficial effect that the present invention reached:
1, need not realize that resource information is shared by network communication on the spot quickly and easily, thereby ground connection can be realized real-time wall anti-misoperation locking and measuring ability, particularly realizes the small current earthing wire-selecting function;
2, reduce the communication of wall on a large scale, thereby significantly reduced number of cables, simplify the structure, lowered the secondary cable probability of malfunction, alleviated maintenance;
3, based on the unified modeling of IEC61850 with communicate by letter, improved the performance of protection and automated communication, the operations staff obtains more sharing information.Devices such as cancellation protection supervisor, gateway protocol conversion, the workload of protection, automated debug reduces, and the duration shortens greatly.
Description of drawings
Figure 1 shows that the functional block diagram of the digital synthesis protection measurement and control unit of multi-channel running pattern disclosed by the invention;
Fig. 2 is system's pie graph of the digital synthesis protection measurement and control unit of multi-channel running pattern disclosed by the invention;
Fig. 3 is IED functional unit hardware system structure figure.
Embodiment
In conjunction with specific embodiments technical scheme of the present invention is made further detailed presentations according to Figure of description below.Figure 1 shows that the functional block diagram of the digital synthesis protection measurement and control unit of multi-channel running pattern disclosed by the invention; Fig. 2 is system's pie graph of the digital synthesis protection measurement and control unit of multi-channel running pattern disclosed by the invention; Fig. 3 is IED functional unit hardware system structure figure.
The digital synthesis protection measurement and control unit of multi-channel running pattern of the present invention is broken through the point-to-point operational mode of traditional protection measure and control device; in device by setting up the IED functional unit that each independent mutual information is again shared; the pooling function of many circuits of realization, relay protection function, intelligence operation function are in one; possess functions such as synchro measure, control, record ripple, systematic analysis, realized the operational mode more than 1 pair.Can support maximum 8 road protected locations, by configuration definition by route protection, segmentation insure fully protect, capacitor protection, become the protection etc., merge cells element is wherein not only gathered the output data of electronic mutual inductor, also can gather the measured value with digitizing tradition mutual inductor, this makes the design to transformer station secondary system give very big dirigibility; The jumping position of switch both can have been gathered in the intelligence operation unit; close the position; after closing; distant place state can also be gathered user-defined 16 tunnel remote signalling, gives corresponding digital protection in real time by optical-fibre communications; receive the tripping operation of digital protection by optical-fibre communications; close a floodgate, the control to switch is carried out in orders such as remote control.
System adopts and designs towards a bus section (corresponding single mother partition) or a bus (corresponding many buses); be configured according to electric pressure; each IED (observing and controlling, protection, metering, record ripple etc.) realizes that full station logic blocking (can listen to the status information of all the other devices in an IED cell arrangement; thereby obtain whole status information in the transformer station; the control locking becomes possibility thereby make fully in real time, guarantees completeness, real-time and the independence of control locking), PT voltage side by side or switch logic etc.
Support the IEC61850 communication standard comprehensively, set up complete IEC61850 object and service, connect when supporting mostly to be 8 clients most; Adopt object modeling technique, needs and the development of equipment oriented modeling and self-description to adapt to application function, satisfy and use the requirement of open behaviour's property mutually, (MMXU measures whole electric informations of an equipment to various observing and controlling element protection models such as dynamic creation MMXU, XCBR, XSWI, CSWI, provides to measure dead band setting, out-of-limit measuring ability; XCBR, XSWI reflect the location status of switch/disconnecting link, and the statistical information of its action frequency is provided; CSWI provides the SBOw control of enhancement mode, supports the same period and interlocking to judge); Dynamic creation PDIS (various distance protection model), PIOC (fast tripping protection model), RDRE (digital quantity record wave energy model), RADR various protection models such as (analog quantity record wave energy models); Support the SNTP network to the time; Support GOOSE transmission/reception remote signalling, empty remote signalling information, support GOOSE transmission/reception locking information, simultaneously can detail record GOOSE information.
IED functional unit of the present invention is made of dual-CPU system, and two systems realize resource sharing by the high speed dual port RAM.32 bit DSPs of the BF533 model of one of them employing ADI company of system are as core, finish that data acquisition process, I/O input and output are handled, protection is calculated, the inner function such as share of protection logic determines, information, gather analog quantity with the AD mould interface of going into to sample respectively; Realize the collection of switching value and export control with I/O input/output port interface; With the GPS interface realize accurately to the time; And interface between RAM, the FLASH storer, data storage such as realization event report, record wave-wave shape; With transmission, the printing of industrial bus CAN, RS485 serial ports, RS232 serial communication interface realization information, realize the debug function of system simultaneously.
Another system adopts 8270 as core; and band POWERPC operating system; by setting up complete IEC61850 object and service, employing object modeling technique and two IP of two net or technology such as two net list IP flexible configuration, network seamless handoff technique; finish the modeling of IEC61850 communication service, various observing and controlling element, protecting component model; GOOSE net information transmission/receptions etc. realize the information sharing with whole digitization system.
Set up the operational mode of one-to-many, the separate operation of each protecting component is read relevant information from 8270 systems respectively, carries out logical calculated, logic determines, logical consequence processing, and sends relevant information separately to 8270 systems.Simultaneously each independently IED also can share by internal resource, realize mutual blocking function.
Each illustrates to contain and means in the accompanying drawing 2:
1) simulation current flow sampling MU is called MU-CTA (Ia/Ib/Ic/IO/)
2) digital current amount sampling MU is called MU-CTD (Ia/Ib/Ic/IO/)
3) bus voltage analog sampling MU is called MU-PTA (remote signalling of Ua/Ub/Uc/UO/PT state)
4) busbar voltage digital quantity sampling MU is called MU-PTD (remote signalling of Ua/Ub/Uc/UO/PT state)
5) device of YX/YK collection output is called DIOU (intelligent operation box).
Claims (4)
1. the digital synthesis of multi-channel running pattern protection measurement and control unit is characterized in that: comprise that a plurality of independences and mutual information are shared, as to realize many circuits pooling functions, relay protection function, intelligence operation function are in one and possess the IED functional unit of synchro measure, control, record ripple, systematic analysis function;
Link to each other with each IED functional unit and to realize the various Ethernet buses of communication function;
With control Ethernet communicate, can gather switch the jumping position, close the position, close the back, distant place state, can also gather the intelligence operation unit of user-defined remote signalling;
User-defined remote signalling; And
Can read relevant information from the IED functional unit, carry out logical calculated, logic determines, logical consequence processing, and send user's protected location of relevant information separately to the IED functional unit.
Described IED functional unit is made of dual-CPU system, and two systems realize resource sharing by the high speed dual port RAM, one of them system is a core with 32 bit DSPs of the BF533 model of ADI company, another system with band POWERPC operating system 8270 as core.
2. the digital synthesis protection measurement and control unit of multi-channel running pattern according to claim 1, it is characterized in that: 32 bit DSPs of described BF533 model comprise:
With the AD mould interface that interface links to each other of going into to sample;
The interface that the I/O input/output port links to each other;
The interface that links to each other with the GPS interface;
The interface that links to each other with RAM, FLASH storer;
The interface that links to each other with industrial bus CAN, RS485 serial ports, RS232 serial ports.
3. the digital synthesis protection measurement and control unit of multi-channel running pattern according to claim 1, it is characterized in that: described 8270 systems support the IEC61850 communication standard, connect when supporting mostly to be 8 clients most; OO data modeling, but dynamic creation MMXU, XCBR, the various observing and controlling element protection of XSWI, CSWI model; But dynamic creation PDIS, PIOC, the various protection models of RDRE, RADR; Support SNTP to the time; Support GOOSE transmission/reception remote signalling, empty remote signalling information, support GOOSE transmission/reception locking information, simultaneously can detail record GOOSE information.
4. the digital synthesis protection measurement and control unit of multi-channel running pattern according to claim 1 is characterized in that: described Ethernet bus comprises control Ethernet bus, voltage Ethernet bus and station level Ethernet bus.
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| CN2008102431603A CN101458504B (en) | 2008-12-09 | 2008-12-09 | Digital synthesis protection observe and control unit of multipath operation mode |
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| CN2008102431603A CN101458504B (en) | 2008-12-09 | 2008-12-09 | Digital synthesis protection observe and control unit of multipath operation mode |
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| CN101458504A true CN101458504A (en) | 2009-06-17 |
| CN101458504B CN101458504B (en) | 2011-05-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308811A (en) * | 2013-06-27 | 2013-09-18 | 国家电网公司 | Debugging device for substation subsystem of the voltage of 750 kilovolts |
| CN104778302A (en) * | 2015-02-11 | 2015-07-15 | 广东电网有限责任公司电力科学研究院 | Relevance application method and relevance application system for transformer substation remote signaling signals and hard contact terminals |
| CN105375446A (en) * | 2015-11-18 | 2016-03-02 | 许昌许继软件技术有限公司 | Bus protection method applied to complicated connection of micro-grid |
| CN110445105A (en) * | 2019-07-30 | 2019-11-12 | 北京四方继保自动化股份有限公司 | A kind of substation relay protection method based on general purpose I ED towards function |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780269A (en) * | 2012-08-14 | 2012-11-14 | 国电南瑞科技股份有限公司 | Centralized-type digital reactive protection measurement and control device for 500 kV transformer substation |
-
2008
- 2008-12-09 CN CN2008102431603A patent/CN101458504B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308811A (en) * | 2013-06-27 | 2013-09-18 | 国家电网公司 | Debugging device for substation subsystem of the voltage of 750 kilovolts |
| CN103308811B (en) * | 2013-06-27 | 2015-11-04 | 国家电网公司 | 750kV transformer station subsystem debugging apparatus |
| CN104778302A (en) * | 2015-02-11 | 2015-07-15 | 广东电网有限责任公司电力科学研究院 | Relevance application method and relevance application system for transformer substation remote signaling signals and hard contact terminals |
| CN104778302B (en) * | 2015-02-11 | 2017-11-14 | 广东电网有限责任公司电力科学研究院 | Transformer station's remote signals and the associated application method and system of hard connection point terminal |
| CN105375446A (en) * | 2015-11-18 | 2016-03-02 | 许昌许继软件技术有限公司 | Bus protection method applied to complicated connection of micro-grid |
| CN110445105A (en) * | 2019-07-30 | 2019-11-12 | 北京四方继保自动化股份有限公司 | A kind of substation relay protection method based on general purpose I ED towards function |
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| Publication number | Publication date |
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| CN101458504B (en) | 2011-05-18 |
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