CN201846137U - Integrated automation system for high-speed railway unattended substation - Google Patents
Integrated automation system for high-speed railway unattended substation Download PDFInfo
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- CN201846137U CN201846137U CN2010206110214U CN201020611021U CN201846137U CN 201846137 U CN201846137 U CN 201846137U CN 2010206110214 U CN2010206110214 U CN 2010206110214U CN 201020611021 U CN201020611021 U CN 201020611021U CN 201846137 U CN201846137 U CN 201846137U
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Abstract
The utility model relates to an integrated automation system for a substation, in particular to an advanced and reliable integrated automation system for a high-speed railway unattended substation, which is characterized in that double communication management machines are arranged and are accessed into an in-station local area network together with in-station protection monitors and an in-station monitoring system. As a working mode that the double communication management machines work cocurrently is adopted, the seamless handover of the management machines is really achieved, and the reliability of dispatcher communication is improved; as a more reliable optical fiber Ethernet is adopted as a communication medium, redundance and dynamic flow balance of double nets are realized and the influence of interference and uncertainty factors is reduced; as the in-station monitoring function is weakened, the system overhead is reduced; and as the management machine is directly accessed into a starlike dispatcher backbone network channel by a 10M/100M bps self-adaptation Ethernet interface, the data transmitting rate is improved, so as to adapt to and meet the requirements of a high-speed railway on high safety and high reliability of the integrated automation system for the unattended substation.
Description
Technical field
The utility model relates to comprehensive automation system of transformer substation, relate in particular to the reliable unattended substation complex automatic system of a kind of advanced person, be mainly used in the high-speed railway traction substation, satisfy under the unattended situation, work more reliably, adapt to the pattern that current high ferro is concentrated big dispatching management greatly.
Background technology
At present, traction substation complex automatic system most widely used on the railway is for there being people's complex automatic system on duty, also some places have adopted unattended Attended mode complex automatic system, carry forward vigorously under the background of building high-speed railway, Line for Passenger Transportation, inter-city passenger rail in current country, reliability requirement to technology is more and more higher, it is on duty that development of technology also requires to carry out unified scheduling, replace traditional people's operational management pattern on duty that has, this has the reliability of height with regard to the comprehensive automation system of transformer substation that requires Line for Passenger Transportation.
Yet present rail traction comprehensive automation system of transformer substation is because the not enough science of technical scheme, perfect, also do not reach and make us relieved really unattended, be mainly reflected in: one, the informational function imperfection of interval protected location, can not remember and react full detail, itself breaking down does not have powerful self-diagnostic function; Two, communication network all adopts single net configuration, in case communication interface fault or communication media fault promptly cause communication to withdraw from, and communication media common shielding conductor or the category-5 cables of adopting, exist and disturb and other uncertain factors, influence communication quality; more Three, each traction substation large and complete supervisory control system that still existing takies a large amount of overheads; Four, the current integrated automation of transformation stations only is provided with single communication supervisor or standby each other communication processor, in the railway system, generally be called stand-by heat, but still exist main frame to break down and the problem of the switching time of standby host when enabling, switching time is at 2-5 in second, scheduling station still can of short duration when communication processor switches " losing one's sight " several seconds, can not accomplish seamless switching (switching in zero second); Five, Chang Yong communication port is voice-grade channel, 2M circular passage, and it is limited to exist transmission rate equally, and the communication failure at a place or several places causes the problem of whole network paralysis easily.
Summary of the invention
In order to overcome shortcoming and the drawback that existing railway system comprehensive automation system of transformer substation exists; the utility model provides a kind of unattended substation complex automatic system design that is applicable to high-speed railway; this system can be good at solving interval protected location self insufficiency of function that has railway system's unattended substation at present, the redundant configuration of communication network and the problem that communication media is subject to disturb; reduce overhead to greatest extent, solve the problem of long and communications rate-constrained two-shipper switching time.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: communication processor adopts the two-shipper setting, with respectively protect measure and control device in the station, local area network (LAN) in the interior common access station of supervisory control system of stand.
Two fiber optic Ethernet networks of redundant configuration in the communication processor access station are simultaneously with 10M/100Mbps self adaptation Ethernet interface access dispatching optical fiber backbone net.
Communication processor adopts double machine parallel working mechanism, and when normally moving, two-shipper receives data simultaneously, has only main frame to transmit data, and when hostdown, the standby host very first time switches to host work.
Describe the technical solution of the utility model below in detail:
1, unattended traction substation complex automatic system structure
The RT21-SAS traction substation unattended automatizing system that this programme proposes adopts the design of layered distribution type modularization idea, and system is divided into three layers: station level, communication process layer, wall.Link to each other by communication network between station level, communication process layer and the wall.
RT21-SAS traction substation complex automatic system has taken into full account the flexibility of system configuration in design, can realize different layered distribution type comprehensive automation system of transformer substation patterns.
2, RT21-SAS traction substation complex automatic system station level
The station level of RT21-SAS traction substation unattended automatizing system adopts distributed design, finishes monitoring function in the station, and the functions such as Stateful Inspection, control, information record and analysis of substation equipment are provided comprehensively.
RT21-SAS traction substation unattended automatizing system station level equipment refers to computer supervisory control system in the unattended automatizing system technical scheme.
Computer supervisory control system generally is made up of a PC or multiple pc machine and printer.The computer monitoring system of transformer substation configuration is finished different functional configuration, and the information of supervisory control system can directly obtain from bay device.
In the utility model conceptual design, computer supervisory control system weakens largely:
Cancel control desk of the prior art, but directly be installed on standard TG6 screen cashier's office in a shop, no longer establish special messenger's surveillance monitor interface with computer equipment;
On duty to dispatch, the operating function of supervisory control system in the station no longer is set, no longer carry out along the control operation, the most light word signal of cancellation shows that fixed curve chart etc. is cancelled in the operation of cancellation form, only keep straighforward operation based on main electrical scheme, telemetry demonstrations etc., monitoring function in the reduction station reduces overhead.
3, RT21-SAS traction substation complex automatic system wall
The bay device of RT21-SAS traction substation unattended automatizing system adopts concentrates the group screen mode, and each compartment interconnects by fiber optic Ethernet, and with the station level devices communicating, has improved the reliability of system greatly.
RT21-SAS traction substation unattended automatizing system bay device comprises:
NSR600T electric iron microcomputer protecting controller of series and CAS200V series universal measurement and control.
The electric iron microcomputer protecting controller of NSR600T series comprises: NSR611T electricity iron protection for feed line measure and control device, NSR690T electricity iron tranformer protection measure and control device series (containing NSR691T electricity iron transformer differential protection measure and control device, NSR695T electricity iron transformer backup protection measure and control device, NSR653T control box and non electrical quantity protective device), the ferroelectric container protection measure and control device of NSR621T electricity and NSR641T electricity iron prepared auto restart protection measure and control device.
CAS200V series universal measurement and control can be according to different type and the quantity that require to select for use flexibly each module to monitored object type and quantity, just can be configured to the measure and control device of satisfying the demand easily by configuration software custom-built system parameter.
3.1 principle summation
The hardware platform of NSR600T series protection measure and control device with 32 bit DSPs and 16 AD as core; DSP has also comprised resources such as jumbo program FLASH, RAM, I/O interface, SCI, SPI, CAN except that having conventional supercomputing function, simplified complexity of hardware greatly, has improved the reliability of hardware.
The function plate of NSR600T series protection measure and control device is rationally divided by function, has adopted modularization, functionalization, unitized design philosophy, make the function plate definite functions, be convenient to exchange.
3.2 self check (self diagnosis) function
Design of device has complete online self-checking function, and chip-scale can arrive in self check location, and self check prompting and blocking function are arranged, 128 self check incidents of storage capable of circulation, but and the power down maintenance, the self check event message that can sequential query in menu have taken place.In the self check process, adopted redundant arithmetic and guaranteed the reliability of self-check program from the error correction means.The self check content is:
(1) RAM self check
Comprise that power on address wire self check and RAM of RAM power-on self-test, RAM normally moves self check.RAM power-on self-test module is carried out when the device initialization, by RAM is carried out read-write operation, finishes the self check of all memory spaces of RAM.The RAM address wire selftest module that powers on carries out during initialization at device, carries out read-write operation by the RAM memory space to address ram line correspondence, finishes the self check to the address ram line.RAM normally moves selftest module at the device run duration, finishes the online self check to RAM.Adopt the method in " experimental plot ", certain zone of RAM is read and write, the self check when finishing the normal operation to RAM.
(2) program Flash self check
Program Flash selftest module is finished the online self check to program Flash when the device operation.When the device initialization, write particular data by certain storage area, when the device operation at program Flash, from this storage area reading of data, by the data that relatively write and the data of reading, whether make mistakes with determining program Flash, thereby finish online self check program Flash.
(3) simulation VCC and digital VCC self check
Simulation VCC selftest module and digital VCC selftest module by the voltage monitoring to simulation VCC and digital VCC, are finished the online self check to simulation VCC and digital VCC power supply when the device operation, also realize the monitoring to the AD loop simultaneously.
(4) definite value self check
Verification by calculating the Operational Zone definite value and, finish self check to the operation definite value.
(5) parameter self check
Verification by calculating parameter and, realize online self check to parameter.
The parameter selftest module can be finished messaging parameter, outlet configuration 1 parameter, outlet configuration 2 parameters, type of device parameter, password parameter, remote measurement correction coefficient, remote control retention time parameter, TVTA parameter, remote signalling and go to tremble time parameter, remote signalling type parameter, definite value district parameter, remote measurement rate of change parameter, expansion board type parameter, intelligent switch-on parameter, protection remote control parameter and the self check of print parameters automatically.
(6) self-checking alarming mode
According to the significance level of self check, when makeing mistakes, self check leaves different alarm signals.When makeing mistakes for parameter self checks such as RAM, program Flash, simulation VCC and digital VCC, definite value, outlet configuration 1 parameter and outlet configuration 2 parameters; the point stand by lamp; the plant failure relay is left (GZ+, GZ-conducting), and latch-up protection, and produces corresponding self check event message.When other parameter self check makes mistakes, the some stand by lamp, alarm relay is left (GJCOM, GJJ conducting), and produces corresponding self check event message.
3.3 the hardware interface of device
Device design has the interchangeable RJ45/ fiber optic Ethernet of two-way interface, can insert local area network (LAN) in two way stations of redundant configuration; Device design have 1 the tunnel independently firmly to the time interface, can adapt to 1PPM, 1PPS, IRIG-B to the time mode.
4, the communication process layer system constitutes
Communication subsystem by the telemechanical communication subsystem, stand in communication network and gps clock setting network constitute unattended traction substation automated communication subsystem.
4.1 telemechanical communication subsystem
The telemechanical communication subsystem is made of microcomputer communication supervisor and telemechanical communication interface, is the hinge that electric substation is connected with the remote dispatching system.By this subsystem; the action of the various measurement data of electric substation, equipment running status, protection actuating signal, each circuit breaker, isolation switch, full institute intelligent equipment and abnormality alarming information and some other relevant informations are sent to the remote dispatching system; the various command that issues of receiving scheduling system simultaneously; answer the inquiry of dispatching patcher according to command context; operational order is distributed to corresponding intelligence operation unit (as protecting measure and control device etc.), carries out corresponding operation according to electric substation's real system running status by the intelligence operation unit.
Communication processor is the information centre of this programme unattended substation complex automatic system, it is by providing different communication media and communication protocols, information to various device in the transformer station is carried out acquisition process, forms the information of consolidation form and transmits the traction power supply control centre by data channel.The NSC300 communication processor can be realized unit and two kinds of configuration modes of dual-computer redundancy.
A. the working operating mode of communication processor:
In unattended automatizing system of the present utility model, the work of configuration dual communication supervisor, at current high ferro scheduling station--under the management mode of-substation facilities, be in the electric substation's communication processor that plays the effect of forming a connecting link between electric substation and the scheduling station, occupy absolute importance status, therefore, in order to guarantee the communication processor operate as normal, this programme adopts communication processor double machine parallel working method, has really accomplished seamless switching, switches in promptly zero second.
Specifically working method is, two communication processors of configuration in the institute, and two-shipper is not two-node cluster hot backup, but two-shipper is referred to as the double machine parallel working method simultaneously all working.During operate as normal, two communication processors all receive all information that bay device sends simultaneously synchronously, simultaneously synchronously the control command that issues of receiving scheduling main website and to the time information, but have only main frame to transmit the wall data message that receives to dispatching terminal, have only the various command that main frame can the operation dispatching end, standby host can not be carried out to transmit and upload and the operation dispatching order.During hostdown, open immediately forwarding of standby host uploaded data and waited for the operation dispatching coomand mode, really accomplished the requirement of switching in zero second, guaranteed the telecommunication management of scheduling station and electric substation to greatest extent.The determining of main frame determined by electric sequence, the device that powers on earlier is main frame, after the supervisor that powers on confirm as standby host automatically, two data sync passages are arranged between main frame and the standby host, be used for synchronously mutually time and the mutual operating state of real-time confirmation, can whether to switch standby host be main frame and switch with decision.
B. the interface of communication processor and electric power conduct and communication:
The communication interface of traction substation complex automatic system that RT21-SAS is unattended and control centre system is provided by communication processor.The information that it comes acquisition interval layer equipment by station communication network and smart machine interface on the one hand, on the other hand information is sent to remote dispatching center (comprise station level a computer supervisory control system), receives control, the adjusting command at remote dispatching center simultaneously and be distributed to the wall unit of appointment.Communication processor also has based on the remote diagnosis of telephone wire Modem and maintenance function.Communication processor is supported the mode of operation of the two nets of two-shipper fully.
Telemechanical communication has multiple mode available: traditional serial communication mode, the MODEM transmission means based on telephone wire, the digital interface mode based on microwave, optical fiber communication, ethernet communication mode, twisted-pair feeder, optical fiber mode.
Communication processor is by 10M/100M adaptive optic fiber Ethernet interface access dispatching communication port, and this passage is the point-to-point fiber optic network of 10M, and transmission rate is higher, and passage is a Full Fibre Network, and the error rate is lower, and it is more reliable to communicate by letter.
4.2 station communication network
Protect the network communication interface of measure and control device, communication processor and network communication equipment to link into an integrated entity each by network service media networking model according to the rules; constitute local area network (LAN) in the electric substation together with the GPS of electric substation setting network, other smart machine (as the DC power supply microprocessor-based monitoring device etc.) insert local area network (LAN) in the electric substation by communication processor.The data message of all smart machines in the electric substation (microcomputer protecting controller, communication processor and other smart machines etc.) all transmits by this local area network (LAN), realizes data sharing on the local area network (LAN) in institute.The mode that third party's intelligent electronic device inserts can have multiple serial ports and Ethernet mode.
10/100Mbps adaptive optic fiber Ethernet constitutes local area network (LAN) in the electric substation, and network configuration adopts the starshaped net topology based on the fast fibre Ethernet switch.The equipment that the protection measure and control device of wall, synthesis observe and control device etc. possess Ethernet interface directly inserts the wall Ethernet, and other smart machine is transferred into the wall Ethernet by Communications Management Units.The wall communication protocol adopts the IEC 60870-5-103 standard that is based upon on the ICP/IP protocol.The communication medium of local area network (LAN) is selected fiber optic Ethernet for use, and communication protocol adopts the IEC 60870-5-103 international standard communication protocol that is based upon on the ICP/IP protocol.The network mode of communication is between computer supervisory control system and the communication processor: the adopt international standards application layer of IEC60870-5-103 of 10M/100Mbps Ethernet, application layer.
Adopt two fiber optic Ethernet configurations in the technical program between RT21-SAS bay device and computer supervisory control system and the communication processor, utilize Dual-Ethernet, can realize two kinds of communication modes of double-network redundant and dynamic flow balance, two kinds of communication modes can onlinely be adjusted.Not only improve the reliability of network but also can balancedly distribute the load flow of two nets to improve network transmission speed, adopted fiber optic Ethernet also farthest to reduce the influence that electromagnetic interference may cause communication simultaneously.Communication between RT21-SAS bay device and computer supervisory control system and the communication processor meets the requirement of ICP/IP protocol, the adopt international standards application layer of IEC60870-5-103 of application layer.Network layer between RT21-SAS bay device and computer supervisory control system and the communication processor and transport layer communications protocol adopt TCP/IP.Transport layer has adopted UDP/ broadcasting and the point-to-point two kinds of agreements of UDP/, has guaranteed real-time, can at one time information be passed to all nodes.
4.3 clock setting network
By GPS whole world satellite to the time system or remote dispatching system provide unified clock for substation automation system.In high ferro transformer station unattended automatizing system, be provided with GPS to the time standard clock source, in the transformer station all smart machines provide accurate whole network to the time.This programme adopt to the time scheme be the B sign indicating number to the time mode, in stand microcomputer protecting controller support B sign indicating number to the time, the GPS standard clock source provide a plurality of B sign indicating numbers to the time interface with man-to-man mode to complete protected measure and control device carry out precisely to the time.Compare the precision of pulse per second (PPS) Millisecond, the B sign indicating number to the time accuracy class reached the microsecond level.
The beneficial effects of the utility model are: this high-speed railway traction substation unattended automatizing system has from the error correction function; The two nets of communication network dispose, and communication media adopts fiber optic Ethernet more reliably, realizes double-network redundant and dynamic flow balance, and reduce the influence of interference and uncertain factor; Monitoring function in the reduction station reduces overhead; Adopt communication equipment double machine parallel working mechanism rather than heat to be equipped with mode, reduced switching time, realized that really network seamless switches, and has improved communication supervisory reliability, communication channel adopts the point-to-point mode of the adaptive optical-fibre channel of 10M/100M, improves data forwarding speed.The real requirement that realizes high ferro to the work of unattended substation high reliability.
Description of drawings
Fig. 1 is the unattended traction substation complex automatic system of high ferro of the present utility model figure.
The NSC300 communication processor is with the LAN of communicating by letter in the two-shipper access station among Fig. 1; third party's smart machine kilowatt-hour meter, alternating current-direct current screen are by inserting NSC300 communication processor access network; NSR600T series protection measure and control device is with the LAN of communicating by letter in the optical fiber mode access station; LAN in the supervisory control comuter access station in standing, GPS standard clock source provide multichannel independently the B code to the time mouth insert the protection measure and control device and form setting network in the station.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
In the example shown in Figure 1; system adopts layering, distributed structure; all devices adopts the group screen mode of concentrating, and the screen cabinet adopts standard TG6 rack, and whole system is provided with 7 screen cabinets altogether; comprise No. 1 main transformer protection observing and controlling screen, No. 2 main transformer protection observing and controlling screen; No. 1 protection for feed line observing and controlling screen, No. 2 protection for feed line observing and controlling screen, communication process screen; the watch-dog screen, the kilowatt-hour meter screen.Main transformer protection observing and controlling screen configuration NSR691T electricity iron differential protection, NSR695T electricity iron backup protection equipment, non electrical quantity protection and control box device, the standby automatic bus of NSR641T electricity iron.Every protection for feed line observing and controlling screen is joined 2 NSR611T electricity iron protection for feed line measure and control devices.2 of NSC communication processors and GPS standard clock source are installed on the communication process screen, establish two 24 light mouth fiber optic Ethernet switches in addition at this screen cabinet, and magnificent industrial computer is ground in the supervisory control system employing and 17 cun LCD are arranged at the watch-dog screen.The protection measure and control device of each screen cabinet all has 2 road optical fiber interfaces, and by 2 road optical patchcord incoming fiber optic Ethernet switches, the NSC300 communication processor also inserts 2 switches with 2 road optical fiber interfaces respectively.Other establishes a dispatching communication supervisor, and the dispatching communication interface of NSC300 inserts this switch, thereby this switch inserts optical transceiver access dispatching backbone network by the Ethernet mode.
Thereby the monitoring host computer of watch-dog screen is also by local area network (LAN) in the two-way ethernet line interface access communications process disk switch access station.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection range of the present utility model.
Claims (3)
1. a high-speed railway unattended substation complex automatic system is characterized in that, communication processor adopts the two-shipper setting, and respectively protects local area network (LAN) in measure and control device, the common access station of interior supervisory control system in the station.
2. high-speed railway unattended substation complex automatic system according to claim 1, it is characterized in that, two fiber optic Ethernet networks of redundant configuration in the communication processor access station are simultaneously with 10M/100Mbps self adaptation Ethernet interface access dispatching optical fiber backbone net.
3. high-speed railway unattended substation complex automatic system according to claim 1, it is characterized in that, communication processor adopts double machine parallel working mechanism, during normal the operation, two-shipper receives data simultaneously, have only main frame to transmit data, when hostdown, the standby host very first time switches to host work.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684916A (en) * | 2012-04-26 | 2012-09-19 | 成都交大光芒科技股份有限公司 | Redundant communication object control method in comprehensive monitoring system for passenger special line |
| CN104242471A (en) * | 2014-10-17 | 2014-12-24 | 成都四为电子信息股份有限公司 | Integrated automation system of transformer substation |
| CN105119384A (en) * | 2015-09-28 | 2015-12-02 | 国家电网公司 | High risk and important client remote monitoring system |
| CN108111355A (en) * | 2017-12-28 | 2018-06-01 | 山东鲁能智能技术有限公司 | The method, apparatus and medium of data communication gateway machine and its synchrodata |
| CN106130183B (en) * | 2016-07-06 | 2018-07-10 | 国电南瑞科技股份有限公司 | A kind of mutual standby and seamless handover method of the substation telemechanical two-shipper on duty by medium |
| CN110376958A (en) * | 2019-07-09 | 2019-10-25 | 江苏师范大学 | A kind of control method of mine substation monitoring and management based on PLC |
| CN110783899A (en) * | 2019-10-14 | 2020-02-11 | 广州供电局有限公司 | Passive protection device and monitoring module and monitoring method thereof |
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2010
- 2010-11-17 CN CN2010206110214U patent/CN201846137U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684916A (en) * | 2012-04-26 | 2012-09-19 | 成都交大光芒科技股份有限公司 | Redundant communication object control method in comprehensive monitoring system for passenger special line |
| CN102684916B (en) * | 2012-04-26 | 2015-04-29 | 成都交大光芒科技股份有限公司 | Redundant communication object control method in comprehensive monitoring system for passenger special line |
| CN104242471A (en) * | 2014-10-17 | 2014-12-24 | 成都四为电子信息股份有限公司 | Integrated automation system of transformer substation |
| CN104242471B (en) * | 2014-10-17 | 2016-06-15 | 成都四为电子信息股份有限公司 | A kind of comprehensive automation system of transformer substation |
| CN105119384A (en) * | 2015-09-28 | 2015-12-02 | 国家电网公司 | High risk and important client remote monitoring system |
| CN106130183B (en) * | 2016-07-06 | 2018-07-10 | 国电南瑞科技股份有限公司 | A kind of mutual standby and seamless handover method of the substation telemechanical two-shipper on duty by medium |
| CN108111355A (en) * | 2017-12-28 | 2018-06-01 | 山东鲁能智能技术有限公司 | The method, apparatus and medium of data communication gateway machine and its synchrodata |
| CN108111355B (en) * | 2017-12-28 | 2021-07-23 | 山东鲁软数字科技有限公司智慧能源分公司 | Data communication gateway machine and method, device and medium for synchronizing data thereof |
| CN110376958A (en) * | 2019-07-09 | 2019-10-25 | 江苏师范大学 | A kind of control method of mine substation monitoring and management based on PLC |
| CN110783899A (en) * | 2019-10-14 | 2020-02-11 | 广州供电局有限公司 | Passive protection device and monitoring module and monitoring method thereof |
| CN110783899B (en) * | 2019-10-14 | 2022-04-01 | 广东电网有限责任公司广州供电局 | Passive protection device and monitoring module and monitoring method thereof |
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