CN103414251B - A kind of substation network communication analogue system based on IEC61850 - Google Patents
A kind of substation network communication analogue system based on IEC61850 Download PDFInfo
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- CN103414251B CN103414251B CN201310375536.7A CN201310375536A CN103414251B CN 103414251 B CN103414251 B CN 103414251B CN 201310375536 A CN201310375536 A CN 201310375536A CN 103414251 B CN103414251 B CN 103414251B
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The invention discloses a kind of substation network communication analogue system based on IEC61850, comprise host computer, intercommunication netting twine, slave computer, MMS network, GOOSE/SMV network and point to point network; Described host computer is connected with MMS network by station level MMS communication interface, and described MMS network is connected with station level IEC61850 FTP client FTP; Described slave computer has multiple network interface, comprises slave computer internal communications interface, wall communication interface and process layer GOOSE, SMV communication interface.The present invention can the communication behavior of the equipment such as various IED, monitoring and protecting device, monitoring backstage in analog digital transformer station; complete the emulation of digital transformer substation IEC61850 communication network, realize the work such as uniformity test, HIST, performance test to digital transformer substation IEC 61850 communication network.
Description
Technical field
The invention belongs to digital transformer substation technical field, be specifically related to a kind of digital transformer substation network service analogue system based on IEC61850.
Background technology
Intelligent grid requires the whole electrical network from generating, distribution of transmitting electricity, and comprises that system and components and parts are reliable, safety, and the continuity that can ensure to power, fail safe, this it is also proposed higher requirement to power industry.The industrialized country comprising the U.S. is gathering the strength of enterprise and research institution, strengthens intellectual technology tackling key problem and Fruits popularize, actively promotes the research and development such as smart machine, intelligent appliance and application.The communication network development of intelligent substation has abandoned legacy network as stipulations such as communication mode and IEC103 such as CAN net, serial ports, whole employing is communicated by Ethernet based on the IEC61850 standard of international uniform, utilize Object-Oriented Model thought, adopt abstract communication interface technique, to achieve in transformer station seamless communication between each equipment and system.
Along with the development of intelligent substation digitlization and networking, and IEC61850 standard is in the extensive use of intelligent substation, and the reliability requirement of intelligent substation communication network is more and more higher.At present, the communication clearly proposing intelligent substation equipment (or system) in the planning of China's intelligent grid should unify to adopt IEC61850 standard, the communication network related in intelligent substation station comprises sampled value SMV network, trip signal GOOSE network, station level MMS network etc., as shown in Figure 2.At present a lot of producer all device models according to IEC61850-6SCL language compilation, but the standardization of model with standardize good not, be easy to the problem causing equipment interoperability.On concrete communication mode, some producer has application function and conventional communication mode in order to compatibility, adopts the mode of stipulations transfer to realize IEC61850 communication often through increasing the shutdown of IEC61850 communication network; Some producer adopts the mode of a plug-in intelligent cell or intelligent assembly to realize IEC61850 communication for primary equipment.The versatility of above two kinds of modes is undesirable, the low development cost causing different application equipment to adopt IEC61850 to communicate of communication efficiency is higher, be not easy to maintenance etc. is unfavorable for smart machine large-scale promotion.For the IEC61850 communication network of intelligent substation, except uniformity test, HIST can also be carried out, HIST is carried out before the system integration, be conducive to finding in advance and Interoperability between the intelligent electronic device (IED) solving different manufacturers, to reduce the time of Installation and Debugging.Except interoperability, the system performance test in extreme circumstances that Utilities Electric Co. also may be concerned about IED or be made up of IED, test is main checks whether IED and network system can bear excessive communication flows in the extreme case, and normal execution interoperability and function, to estimate the margin of safety of electric substation automation system.Performance test be also used for detect critical message (such as GOOSE message) transmission promptness, performance test can evaluate IED or the performance of integrated system in real-time more accurately.
Visible, under network environment all there is various uncertain factor in the real-time of transfer of data, reliability, fail safe, how to assess the performance index of these networks, how to optimize the networking mode and network topology structure etc. of these networks, how realizing record for the various abnormal problems in network application, follow the tracks of and pass judgment on, is all current problem demanding prompt solution.
Summary of the invention
The present invention is directed to existing digital transformer substation construction, maintenance, performance test requirements of one's work; a kind of substation network communication analogue system based on IEC61850 is provided; this system can the communication behavior of the equipment such as various IED, monitoring and protecting device, monitoring backstage in analog digital transformer station; complete the emulation of digital transformer substation IEC61850 communication network, realize the work such as uniformity test, HIST, performance test to digital transformer substation IEC 61850 communication network.
The technical solution used in the present invention is: a kind of substation network communication analogue system based on IEC61850, comprises host computer, intercommunication netting twine, slave computer, MMS network, GOOSE/SMV network and point to point network;
Described host computer is connected with MMS network by station level MMS communication interface, host computer is connected with intercommunication netting twine by host computer internal communications interface, the other end of intercommunication netting twine is connected with the slave computer internal communications interface of slave computer, and described MMS network is connected with station level IEC61850 FTP client FTP;
Described slave computer has multiple network interface, comprise slave computer internal communications interface, wall communication interface and process layer GOOSE, SMV communication interface, slave computer is by process layer GOOSE, SMV communication interface, be connected with GOOSE/SMV network, point to point network respectively, slave computer is connected to IEC61850MMS network by wall communication interface and communicates with other IED of wall.
As preferably, described host computer adopts Industrial PC Computer, and utilize host computer mainboard expansion slot to obtain the Fast Ethernet mouth of two gigabit speed, a Fast Ethernet mouth is connected with MMS network, and another Fast Ethernet mouth is connected with intercommunication netting twine.
As preferably, described host computer comprises and possesses four features: feature one is monitoring and controlling slave computer, carry out two-way communication with slave computer, monitor operating condition and the real time data of slave computer, support by initiatively issuing control, establishing the orders such as value to change the operating state of slave computer; Feature two is real-time Transmission of system emulation data and mutual, can receive the simulated events signal of slave computer and upgrade model data corresponding to host computer and then trigger MMS service, also can forward MMS control signal and do interlock process to slave computer; Feature three is the IEC61850/MMS communication capacities possessing many IED, supports to carry out being connected communicating with MMS with the supervisory control of substation background computer as MMS client; Feature four possesses human-computer interaction interface, provides the supervision of SCL model management, real time data, simulation operations man-machine interaction feature with the friendliness interface of many Tab View.
As preferably, the embedded computer system that described slave computer system adopts high-performance microprocessor and real time operating system to form, realizing the Fast Ethernet mouth of a gigabit speed and the commodity ethernet mouth of multiple 100,000,000 speed by hardware interface expansion.
As preferably; described slave computer possesses emulation many IED real-time reception or process of transmitting layer GOOOSE, SMV data; and carry out data filtering and computing; automatically the model configuration also dynamic simulation IED various logic feature of each IED is loaded into; comprise common observing and controlling, defencive function logic, and deliver to host computer by the output signal of logic.
Beneficial effect: the present invention adopts the simulation communication network of multiple Ethernet interface composition transformer substation IEC 61850s of the Fast Ethernet mouth of host computer and slave computer, slave computer, can the communication behavior of various smart machine on analog digital transformer substation IEC 61850 network, for the consistency check that digital transformer substation IEC61850 communicates, networked-induced delay energy, the work such as data packet transmission reliability and correctness, have that networking is easy, cost is low, use advantage flexibly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the digital transformer substation network communication configuration figure based on IEC61850.
Fig. 3 is the structure chart that the present invention is applied to digital transformer substation network service.
Have in figure: host computer 1, intercommunication netting twine 2, slave computer 3, MMS network 4, GOOSE/SMV network 5, point to point network 6, the substation network communication analogue system 7 based on IEC61850, monitoring backstage 8, remote terminal unit 9, protection substation 10, monitoring and protection terminal 11, intelligent terminal 12, merge cells 13, control terminal 14, voltage transformer 15, electric mutual inductor 16, intelligent breaker 17.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As seen from Figure 1, a kind of substation network communication analogue system based on IEC61850, comprise host computer 1, intercommunication netting twine 2, slave computer 3, MMS network 4, GOOSE/SMV network 5 and point to point network 6, described host computer 1 is connected with MMS network 4 by station level MMS communication interface, host computer 1 is connected with intercommunication netting twine 2 by host computer internal communications interface, the other end of intercommunication netting twine 2 is connected with the slave computer internal communications interface of slave computer 3, described MMS network 4 is connected with station level IEC61850 FTP client FTP, described slave computer 3 has multiple network interface, comprise slave computer internal communications interface, wall communication interface and process layer GOOSE, SMV communication interface, slave computer 3 is by process layer GOOSE, SMV communication interface, respectively with GOOSE/SMV network 5, point to point network 6 connects, slave computer 3 is connected to IEC61850MMS network by wall communication interface and communicates with other IED of wall.
As seen from Figure 2; the schematic network structure of digital transformer substation, comprises monitoring backstage 8, remote terminal unit 9, protection substation 10, monitoring and protection terminal 11, intelligent terminal 12, merge cells 13, control terminal 14, voltage transformer 15, electric mutual inductor 16, intelligent breaker 17, MMS network 4, GOOSE/SMV network 5, point to point network 6.
As seen from Figure 3, apply the structure chart of digital transformer substation network service of the present invention, comprise the substation network communication analogue system 7 based on IEC61850, monitoring backstage 8, remote terminal unit 9, protection substation 10, monitoring and protection terminal 11, intelligent terminal 12, merge cells 13, control terminal 14, voltage transformer 15, electric mutual inductor 16, intelligent breaker 17, MMS network 4, GOOSE/MMS network 5, point to point network 6, substation network communication simulator 7 based on IEC61850 is positioned at the wall of digital transformer substation, respectively with MMS network 4, GOOSE/SMV network 5, point to point network 6 is connected with intercommunication netting twine.
By Fig. 1 and Fig. 3, the operation principle of analogue system is as follows:
Simulator is made up of slave computer and host computer two parts, completes communication connection and intercommunication between the two by 100 m ethernet port.
Slave computer is responsible for the emulation of cell device real-time processing module, is made up of device real-time data signal storehouse, GOOSE simulation communication module, SMV communication module, logic simulation module, intercommunication module etc.Wherein, device real-time data signal storehouse, the model information after resolving according to host computer builds and the living application signal library of actual device.GOOSE simulation communication module and SMV communication module are responsible for receiveing and processing subscriptions the GOOSE message and SMV message of readding from process-level network respectively, and give logic simulation module and process, simultaneously also can the deal with data of receive logic emulation module, response concurrent send GOOSE message and SMV message to process-level network.Logic simulation module; be responsible for the Logic judgment of the protection of dummy spacers layer or measure and control device; filtering and calculating are carried out to SMV sampled value; other input signals such as comprehensive GOOSE, intake; completion logic computing and analysis judge; and operation result is passed to GOOSE communication module and be used for tripping operation, or pass to intercommunication module and send on signal.Intercommunication module in charge sends the MMS service module that the result of logical operation delivers to host computer to carry out signal transacting and report are sent, and meanwhile, other modules that the control command receiving host computer gives slave computer process.
Host computer is responsible for the emulation of cell device Non real-time processing module, is made up of SCD model file parsing module, IEC61850 internal storage data library module, IEC61850/MMS communication module, intercommunication module, human-computer interaction interface module etc.Wherein, SCD model file parsing module, is responsible for resolving SCD model file in DOM mode and forms application signal library and give slave computer, form internal memory tree data structure simultaneously and be supplied to IEC61850 internal storage data library module.IEC61850 internal storage data library module, responsible structure meets the tree-like memory database of stratification needed for IEC61850ACSI service.IEC61850/MMS communication service module is responsible for realizing IEC61850ACSI communication interface, the communication of IEC61850ACSI/MMS maps and MMS message communication, is externally responsible for communicating with IEC61850 FTP client FTP system.The data communication of intercommunication module in charge host computer and slave computer and information interaction.Human-computer interaction interface module in charge provides friendly human-computer interaction interface and interface to complete model file selection, parameter configuration, data monitoring, operation and controlling etc. for user.
Analogue system, by the linkage work of host computer and slave computer, can complete the Dynamic simulation of multiple stage transformer station cell device, and is applied to various application scenarios such as solving intelligent substation function debugging, inspection and test, laboratory simulations.
During actual motion, the ethernet port of analogue system slave computer is connected respectively to GOOSE network and the sampled value SMV network of Substation process-level, the ethernet port of analogue system host computer is connected to the MMS network of transformer station's station level, as shown in Figure 1.
Electrifying startup host computer and slave computer, SCD model is loaded at upper computer selecting transformer station SCD system model file of entirely standing, select the IED needing emulation, after carrying out necessary configuration, the simulation software simulations signal library of host computer and emulation logic storehouse, and automatically completing the initialization of the database of upper and lower computer, each application process module then performing upper and lower computer can emulate the real time execution of one or more cell devices.
The sampled value IEC61850/SMV message (such as short circuit moment current sampling data message group) of analogue system receiving course layer network; at this moment certain simple logic function such as overcurrent I segment protect, the distance protections etc. of simulator should be triggered; and use IEC61850/GOOSE message to send trip signal to the IEDZ (being assumed to be intelligent breaker) that have subscribed this message; after IEDZ does tripping operation process, send circuit-breaker status to simulator by IEC61850/GOOSE message.Arrested by analysis tool, record and analyze the related news on LAN, can check and verify the function of the intelligent terminal of intelligent breaker or circuit breaker, evaluating interoperability each other.
Simultaneously; analogue system is according to the GOOSE configuration relation in model; automatic triggering IEC61850/GOOSE message sends connection block signal to other cell devices IEDX that have subscribed this message; answering between the difference protection of such as transformer high, medium and low side presses off lock signal, wall five prevention logic block signal etc.; by following the tracks of and catching relevant information, can check and verify whether the function of other cell devices IEDX correctly responds.
In addition; analogue system is after simple logic action; can emulate and produce corresponding logic event signal; as protection act, protection alarm event and empty remote signalling etc.; these signals can be automatically mapped to the IEC61850 memory database of analogue system host computer; and trigger and produce the report services of IEC61850/ACSI, by MMS communication module by the MMS message up sending of change events to the IEC61850 FTP client FTP be connected with host computer as supervisory control of substation backstage or protect substation.By the logical simulation of analogue system, repeatedly repeat above experiment, function debugging and checking can be carried out to station Ore-controlling Role such as supervisory control of substation backstage or protection substations.
Finally, analogue system also can be simulated and produce network context flow, emulating number, simple logic definite value, signal intensity frequency, transmission time interval etc. by setting some simulation parameters as IED, making analogue system meet trigger conditions in enormous quantities at short notice.Now, analogue system can the event of a lot of IED of concurrent emulation, thus the GOOSE application message under process layer GOOSE network can produce a large amount of real scenes, MMS application message under station level network produces a large amount of real scenes, thus whether can bear excessive communication flows in the extreme case to other IED or IEC61850 FTP client FTPs under transformer station's consolidated network, and normal execution interoperability and function carry out testing and verifying.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.The all available prior art of each part not clear and definite in the present embodiment is realized.
Claims (1)
1. based on a substation network communication analogue system of IEC61850, it is characterized in that: comprise host computer, intercommunication netting twine, slave computer, MMS network, GOOSE/SMV network and point to point network;
Described host computer is connected with MMS network by station level MMS communication interface, host computer is connected with intercommunication netting twine by host computer internal communications interface, the other end of intercommunication netting twine is connected with the slave computer internal communications interface of slave computer, and described MMS network is connected with station level IEC61850 FTP client FTP;
Described slave computer has multiple network interface, comprise slave computer internal communications interface, wall communication interface and process layer GOOSE, SMV communication interface, slave computer is by process layer GOOSE, SMV communication interface, be connected with GOOSE/SMV network, point to point network respectively, slave computer is connected to IEC61850MMS network by wall communication interface and communicates with other IED of wall;
Described host computer adopts Industrial PC Computer, and utilize host computer mainboard expansion slot to obtain the Fast Ethernet mouth of two gigabit speed, a Fast Ethernet mouth is connected with MMS network, and another Fast Ethernet mouth is connected with intercommunication netting twine;
Described host computer comprises and possesses four features: feature one is monitoring and controlling slave computer, carries out two-way communication with slave computer, monitors operating condition and the real time data of slave computer, supports by initiatively issuing controls, establishing the operating state of value order change slave computer; Feature two is real-time Transmission of system emulation data and mutual, can receive the simulated events signal of slave computer and upgrade model data corresponding to host computer and then trigger MMS service, also can forward MMS control signal and do interlock process to slave computer; Feature three is the IEC61850/MMS communication capacities possessing many IED, supports to carry out being connected communicating with MMS with the supervisory control of substation background computer as MMS client; Feature four possesses human-computer interaction interface, provides the supervision of SCL model management, real time data, simulation operations man-machine interaction feature with the friendliness interface of many Tab View;
The embedded computer system that described slave computer system adopts high-performance microprocessor and real time operating system to form, realizes the Fast Ethernet mouth of a gigabit speed and the commodity ethernet mouth of multiple 100,000,000 speed by hardware interface expansion;
Described slave computer possesses emulation many IED real-time reception or process of transmitting layer GOOOSE, SMV data; and carry out data filtering and computing; automatically the model configuration also dynamic simulation IED various logic feature of each IED is loaded into; comprise common observing and controlling, defencive function logic, and deliver to host computer by the output signal of logic.
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