CN103903496A - 10kV digital power distribution room simulation training system - Google Patents
10kV digital power distribution room simulation training system Download PDFInfo
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- CN103903496A CN103903496A CN201210554370.0A CN201210554370A CN103903496A CN 103903496 A CN103903496 A CN 103903496A CN 201210554370 A CN201210554370 A CN 201210554370A CN 103903496 A CN103903496 A CN 103903496A
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Abstract
The invention relates to a 10kV digital power distribution room simulation training system. The system comprises a simulation control device, and is characterized in that the simulation control device is connected with a front-located control device through a network communication module, the front-located control device is connected with a filed operation device through a field bus, and the front-located control device is a data acquisition cabinet. At the same time, the data acquisition cabinet is internally provided with a communication manager, the communication manager is provided with a network communication port and a field bus communication port, and the field operating equipment includes a high-voltage cabinet and a low-voltage cabinet. Thus, a software and hardware integration simulation technology and a virtual-sampling-based parameter simulation technology are realized. A trainee is ensured to experience the cutting-edge technology at present when receiving training while the function of simulated training is realized, and the system conforms to the development direction of intelligent power distribution. In addition, simulation and management are promoted simultaneously, cost is saved, and floor space is reduced. Moreover, engineering integration and debugging are more convenient.
Description
Technical field
The present invention relates to a kind of simulation training system, relate in particular to a kind of 10kV digitizing switchgear building simulation training system.
Background technology
Along with the development of intelligent grid, intelligent power distribution, using electricity system have been proposed to higher technical requirement, 10kV digitizing or intelligent power distribution chamber have obtained using widely in the recent period.Traditional 10kV switchgear building does not possess the ability of digitizer and remote real-time monitoring, therefore the operation of traditional switchgear building, maintainer need new digitizing technique to retrain, to adapt to the new digitizing switchgear building operation maintenance demand that intelligent power distribution requires that meets.
Although Current Domestic has some analogue systems for 10kV switchgear building, be all additionally on the basis of High-low voltage switch cabinet to realize with so-called hardware fault simulator and program control load source.The defects such as these methods for designing all exist that security is low, cost is high, validity is poor, very flexible and debugging complexity, and be not also digitizer entirely, do not meet the development trend requirement of intelligent grid.
The emulation of digitizing switchgear building is mainly used to pure software mode abroad, for example, by the database of TDMA Time Division Multiple Access, switchgear building has been carried out to online execution and simulated operation use etc.This method exists and lacks the sense of reality, does not possess the vision problem with operating vivid effect directly perceived.
Therefore, be necessary that for the problems referred to above exploitation has higher in-site modeling degree, operates true to nature, a kind of 10kV digitizing switchgear building simulation training system cheaply, adopt intelligent equipment and digitizing technique, complete on the basis of the aspect courses such as working specification in 10kV switchgear building electrical operation process, fault handling, distribution management at instruction of papil, also will ensure the security in on-the-spot teaching operating process.
Summary of the invention
Object of the present invention is exactly in order to solve the above-mentioned problems in the prior art, and a kind of 10kV digitizing switchgear building simulation training system is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of 10kV digitizing switchgear building simulation training system, include Simulation Control device, wherein: described Simulation Control device connects preposition control device by network communication assembly, described preposition control device is connected with execute-in-place device by fieldbus, described preposition control device is data acquisition cabinet, in described data acquisition cabinet, be provided with communication manager, on described communication manager, be provided with network communication port and field bus communication port, described execute-in-place device includes high-voltage board and low-voltage cabinet.
Further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: in described high-voltage board, be provided with fieldbus, on described fieldbus, be provided with communication interface, on described communication interface, be connected with respectively middle pressure and combine guarantor's module and digital instrument module.
Further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: in described low-voltage cabinet, be provided with fieldbus, on described fieldbus, be provided with communication interface, on described communication interface, be connected with respectively intelligent framework isolating switch, intelligent moulded case circuit breaker, digital instrument module, Intelligent Reactive Compensating Controller.
Further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: described data acquisition cabinet is provided with touching display screen, described touching display screen PORT COM is connected with communication manager.
Further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: described Simulation Control device includes emulation training main frame, on described emulation training main frame, be provided with ethernet communication interface and network communication interface, described network communication interface is connected with preposition control device by netting twine, on described netting twine, is connected with switch.
Further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: on described emulation training main frame, be connected with liquid crystal display.
Further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: on described emulation training main frame, be connected with printer.
Again further, above-mentioned a kind of 10kV digitizing switchgear building simulation training system, wherein: described fieldbus is shield type twisted-pair feeder.
The advantage of technical solution of the present invention is mainly reflected in: 1) software and hardware integration emulation technology and the parameters simulation technology based on virtual sampling: native system has adopted intelligent secondary device and simplation software unity emulation technology, the intelligent secondary device of special customization carries out emulation adjustment with support simulation software to its electrical operation parameter, then by realizing scene simulation to conduction courseware and fault simulation function.Smart machine no longer carries out data sampling from mutual inductor, but receives the virtual sampled data that sends by field bus communication technology of backstage simulation software as measurement parameter, and realization protection, control and the warning function identical with mutual inductor sample.Compare with existing emulation technology, this technology has obvious innovation and advantage: compare with pure software mode, solved the shortage sense of reality, do not possess the vision problem with operating vivid effect directly perceived; Compare with all-real object loading system model, solved again cost high, the problem of security, maintainability, extensibility and bad adaptability.2) in realizing emulation training function; the functions such as selective area interlock protection and requirement protection, transformer economic operation, electric energy quality monitoring, auto-reactive compensation and equipment control maintenance are provided; ensure that student experiences the technology of current forefront in undergoing training, and meets intelligent power distribution developing direction.3) emulation and management develop simultaneously, and system has also been taken into account the training of digitizing switchgear building monitoring management function in realizing electrical operation emulation training, adapt to the demand of new period intelligent power distribution.4) cost-saving, reduce floor area: software and hardware integration emulation technology has abandoned that cost is high, the signal generator of the occupying volume external space and load system, has saved cost, has reduced floor area, make Training Environment more succinct, truly simultaneously.5) engineering is integrated more convenient with debugging: owing to having used totally digitilized scheme, hardware connection, system debug and training courseware development are more fast and convenient, and system has better maintainability.
Brief description of the drawings
Object of the present invention, advantage and disadvantage, by for illustration and explanation the non-limitative illustration by preferred embodiment below.These embodiment are only the prominent examples of application technical solution of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and form, within all dropping on the scope of protection of present invention.
Fig. 1 is the organigram of this 10kV digitizing switchgear building simulation training system.
| 1 | Data acquisition cabinet | 2 | Communication manager |
| 3 | High-voltage board | 4 | Low-voltage cabinet |
| 5 | Fieldbus | 6 | Intelligent framework isolating switch |
| 7 | Intelligent moulded case circuit breaker | 8 | Digital instrument module |
| 9 | Intelligent Reactive Compensating Controller | 10 | Middle pressure is combined and is protected module |
| 11 | Emulation training main frame | 12 | Ethernet communication interface |
| 13 | Network communication interface | 14 | Netting twine |
| 15 | Liquid crystal display | 16 | Printer |
| 17 | Touching display screen | 18 | Switch |
。
Embodiment
A kind of 10kV digitizing switchgear building simulation training system as shown in Figure 1, include Simulation Control device, its unusual part is: Simulation Control device of the present invention connects preposition control device by network communication assembly, and preposition control device is connected with execute-in-place device by fieldbus 5.Specifically, preposition control device is data acquisition cabinet 1, is provided with communication manager 2 in data acquisition cabinet 1.Meanwhile, for the ease of data communication facility, the simulated data of external other system be can effectively introduce simultaneously, network communication port and fieldbus 5 PORT COM on communication manager 2, are provided with.And, consider the true environment of plan that adapts to practical operation, the execute-in-place device of employing includes high-voltage board 3 and low-voltage cabinet 4.
With regard to preferably embodiment of the present invention one, consider from the teaching convenience degree of overall analogue simulation, in high-voltage board 3, be provided with fieldbus 5, on fieldbus 5, be provided with communication interface, on communication interface, be connected with respectively middle pressure and combine guarantor's module 10 and digital instrument module 8.Correspondence is with it, in the low-voltage cabinet 4 that the present invention adopts, be provided with too fieldbus 5, by being provided with communication interface on fieldbus 5, be connected with respectively intelligent framework isolating switch 6, intelligent moulded case circuit breaker 7, digital instrument module 8, Intelligent Reactive Compensating Controller 9.Thus, can be from realizing to the full extent real work on the spot situation emulation, be beneficial to teaching and realistic simulation operation.
Specifically, for coordinating simulation software to realize Full Featured emulation training, must transform customization to all intelligent secondary device in digitizing switchgear building, main thought is to keep existing device protection, the functions such as control make this equipment no longer carry out data sampling from mutual inductor on constant basis, but use the parameters simulation technology based on virtual sampling, support that simulation software carries out emulation adjustment to its electrical operation parameter, comprising can setting parameter and all electric current, the electric measurement parameters such as voltage, obviously can save signal generator and so-called load system.
Adopt digital instrument module 8, can coordinate simulated running system, and the electric loop operational factor of display simulation directly perceived, can receive the instruction of simulation run software simultaneously, given electric parameter is observably shown, so that student observes and knows from experience.In employing, press computer integrated protection, can receive the instruction of simulation run software, show various electrical operation parameters, protection feature and control function according to instruction simulation, realize fault simulation.Adopt intelligent framework isolating switch 6 and intelligent moulded case circuit breaker 7, can receive the instruction of simulation run software, according to the various electrical operation parameters of command simulation, protection feature and control function, realize fault simulation.Adopt intelligent powerless compensation Comprehensive Control, can receive the instruction of simulation run software, according to the various low-pressure reactive compensation states of command simulation, make student can dynamically get information about principle and the meaning of reactive-load compensation and implement the impact on electrical operation state in reactive-load compensation process.
Further, for the ease of site environment is monitored and rapid configuration in time, data acquisition cabinet 1 is provided with touching display screen 17, and touching display screen 17 PORT COM are connected with communication manager 2.For the ease of wiping sky, can adopt 12 cun of tangible LCDs of industry.
Again further, in order to simulate different working environments, improve the combination of simulated teaching and practical operation, the Simulation Control device of employing includes emulation training main frame 11.Specifically, be provided with ethernet communication interface 12 and network communication interface 13 on this emulation training main frame 11, network communication interface 13 is connected with preposition control device by netting twine 14.On netting twine 14, be connected with switch 18, different data exchange channels is provided simultaneously.Certainly, consider that realizing simulation status timely switches, and is provided with simulation software in main frame.And, in order to know in time the state of current emulation training main frame 11, on emulation training main frame 11, be connected with liquid crystal display 15.And, consider and can think in time that operation information and various configuration information outwards export, be convenient to follow-up teaching, on emulation training main frame 11, be connected with printer 16.
Moreover, consider that preventing unnecessary signal disturbs, improve the authenticity of emulation manipulation, fieldbus 5 is shield type twisted-pair feeder.Thus, carry out best communication by fieldbus 5 and relevant device module, realize that each electric loop service data is uploaded and control command issues.
In conjunction with actual service condition of the present invention, simulation software has adopted the software development technique based on assembly, is made up of on the whole: communication layers, data Layer and application layer three levels.Communication layers comprises data communication component and distributed middleware platform, completes field bus communication and exchanges data with smart machine; Data Layer comprises real-time data base and historical data base, and wherein real-time data base is data storage, processing and the switching centre of whole software systems, and historical data base has used business database (SQL Server 2008); Application layer is the set of all application of simulation software, comprises real-time monitoring, makes out an invoice, checks and rates the assemblies such as management, definite value management and equipment control to conduction courseware, fault simulation, management of power use emulation, operation order simulation.Application layer component is teacher and student's Man Machine Interface.By fault simulation with to conduction courseware assembly, teacher can simulate normal condition and the malfunction of switchgear building electrical operation, instructs the course of the aspects such as student's complete operation code, fault handling, distribution management.
Specifically, in practical operation, can be achieved as follows function:
The function that distribution monitor management realizes, comprise: monitoring in real time: mainly embody with the form of electric primary system figure or cabinet face arrangenent diagram at system monitoring interface, realize the status surveillance to on-the-spot each electric loop, be aided with simultaneously text and button realize corresponding circuit electric parameter monitoring and realize to field apparatus point/combined floodgate straighforward operation.Fault/warning monitors: SOE, state variation warning, manual operation, operating mode are thrown and moved back, condition is reported to the police and variable is reported to the police.Data management: comprise the functions such as real time data dictionary, historical data dictionary, load Analysis, fault analysis, data dump.Report capability: user is the form of report customization (daily sheet, month form, year form) as required, and the various ways such as available form, histogram embody, also can timed print, file and derivation.System management: realize network management and running log.Safety management: comprise user management and relieve management.Data sharing and application integration function: the data of native system are distributed to other application system by modes such as CIS, OPC Server, MODBUS Server, are convenient to and other power automatic system application integration.Equipment control maintenance function: the technical information relevant with digitizing switchgear building is stored in system; Real-time watch device maintenance parameters (for example operating mechanism life-span), in the time of ageing equipment or fault and alarm; Recording unit is safeguarded (change, increase newly or repair) historical information, convenient inquiry.Realize in addition equipment state on-line monitoring: the emphasis faults such as switch contact, busbar tie point, cable connection point, Transformer Winding are easily sent out to position and carry out temperature monitoring, early detection potential faults, circular electrical overhaul personnel in time, to arrange in advance to report for repairment maintenance, stop the generation of accumulation accident.
The function that emulation training is realized, comprise: parameters simulation: in order to support curricula, all secondary devices in system (combining guarantor, instrument, intelligent controller) back-up system software carries out emulation adjustment to its electrical operation parameter, and comprising can setting parameter and the measurement parameter such as all electric currents, voltage.To conduction courseware: need to make variously to conduction courseware according to teaching, adopt graphical discount-window guidance student to complete learning tasks by step.Scene simulation: emulation training software coordinates switch cubicle and the electric components of actual charging operation, can emulation switchgear building electrical operation state, comprises normal operating condition and malfunction.Scene that can emulation comprises: (1) is normally moved, and loads on the running status in the situation such as 0.5,0.8,1.0 times; (2) transformer overload operation (for example loading on 1.1 times, 20s), transformer state change modeling, comprises oil temperature, transformer sound etc.; (3) fault simulation and processing: need to transfer on-site electrical equipment according to teaching and simulate various fault state, then instruction of papil carries out fault handling.Fault type that can emulation includes but not limited to following several: low-pressure line-outgoing switch trip (wink moving, long delay, ground connection), low voltage incoming line switch tripping operation (long delay, short time delay, wink are moving, ground connection), the tripping operation of transformer service entrance switch, high pressure inlet wire or bus connection switch tripping operation etc.(4) dual power supply switches emulation.Automatic voltage reactive-load compensation process simulation: simulate automated capacitive switching in given electric circumstance, and show the changing condition of the every electric parameter in reactive-load compensation process.Transformer economic operation simulation: for thering is the switchgear building of two and above substation transformer.Calculate according to the capacity of transformer, payload, the mode switching transformer of transformer economic operation is pressed in simulation automatically.The operation order simulation of making out an invoice: the simulated operation ticket flow process of making out an invoice, and implement simulated operation according to action by step, in operating process, realize true interactive with on-site electrical equipment.Management of power use emulation: measure and record the power load of wire inlet loop and each transmission line circuit and electric energy service condition (owing to there is no load, therefore data are pressed to set rule emulation), electricity consumption form (daily paper, monthly magazine, annual report) is provided, and applied load curve carrys out the load behaviour in service in the comparison designated period time, be convenient to load Analysis and load prediction.
Student checks and rates management: student's operative skill examination management function is provided.When after input student relevant information, teacher can randomly draw examination question student is checked and rated from test item bank, and to the timing of examination process.After student has checked and rated, teacher scores according to appraisal result, and deposits appraisal result database in, finally prints appraisal result.Support inquiry and printing function to appraisal result.
Can find out by above-mentioned character express, adopt after the present invention, have the following advantages:
1) software and hardware integration emulation technology and the parameters simulation technology based on virtual sampling: native system has adopted intelligent secondary device and simplation software unity emulation technology, the intelligent secondary device of special customization carries out emulation adjustment with support simulation software to its electrical operation parameter, then by realizing scene simulation to conduction courseware and fault simulation function.Smart machine no longer carries out data sampling from mutual inductor, but receives the virtual sampled data that sends by field bus communication technology of backstage simulation software as measurement parameter, and realization protection, control and the warning function identical with mutual inductor sample.Compare with existing emulation technology, this technology has obvious innovation and advantage: compare with pure software mode, solved the shortage sense of reality, do not possess the vision problem with operating vivid effect directly perceived; Compare with all-real object loading system model, solved again cost high, the problem of security, maintainability, extensibility and bad adaptability.
2) in realizing emulation training function; the functions such as selective area interlock protection and requirement protection, transformer economic operation, electric energy quality monitoring, auto-reactive compensation and equipment control maintenance are provided; ensure that student experiences the technology of current forefront in undergoing training, and meets intelligent power distribution developing direction.
3) emulation and management develop simultaneously, and system has also been taken into account the training of digitizing switchgear building monitoring management function in realizing electrical operation emulation training, adapt to the demand of new period intelligent power distribution.
4) cost-saving, reduce floor area: software and hardware integration emulation technology has abandoned that cost is high, the signal generator of the occupying volume external space and load system, has saved cost, has reduced floor area, make Training Environment more succinct, truly simultaneously.
5) engineering is integrated more convenient with debugging: owing to having used totally digitilized scheme, hardware connection, system debug and training courseware development are more fast and convenient, and system has better maintainability.
Claims (8)
1. a 10kV digitizing switchgear building simulation training system, include Simulation Control device, it is characterized in that: described Simulation Control device connects preposition control device by network communication assembly, described preposition control device is connected with execute-in-place device by fieldbus, described preposition control device is data acquisition cabinet, in described data acquisition cabinet, be provided with communication manager, on described communication manager, be provided with network communication port and field bus communication port, described execute-in-place device includes high-voltage board and low-voltage cabinet.
2. a kind of 10kV digitizing switchgear building simulation training system according to claim 1, it is characterized in that: in described high-voltage board, be provided with fieldbus, on described fieldbus, be provided with communication interface, on described communication interface, be connected with respectively middle pressure and combine guarantor's module and digital instrument module.
3. a kind of 10kV digitizing switchgear building simulation training system according to claim 1, it is characterized in that: in described low-voltage cabinet, be provided with fieldbus, on described fieldbus, be provided with communication interface, on described communication interface, be connected with respectively intelligent framework isolating switch, intelligent moulded case circuit breaker, digital instrument module, Intelligent Reactive Compensating Controller.
4. a kind of 10kV digitizing switchgear building simulation training system according to claim 1, is characterized in that: described data acquisition cabinet is provided with touching display screen, and described touching display screen PORT COM is connected with communication manager.
5. a kind of 10kV digitizing switchgear building simulation training system according to claim 1, it is characterized in that: described Simulation Control device includes emulation training main frame, on described emulation training main frame, be provided with ethernet communication interface and network communication interface, described network communication interface is connected with preposition control device by netting twine, on described netting twine, is connected with switch.
6. a kind of 10kV digitizing switchgear building simulation training system according to claim 5, is characterized in that: on described emulation training main frame, be connected with liquid crystal display.
7. a kind of 10kV digitizing switchgear building simulation training system according to claim 5, is characterized in that: on described emulation training main frame, be connected with printer.
8. a kind of 10kV digitizing switchgear building simulation training system according to claim 1, is characterized in that: described fieldbus is shield type twisted-pair feeder.
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| CN105070136A (en) * | 2015-08-27 | 2015-11-18 | 临汾电力高级技工学校 | Switch cabinet maintenance somatosensory system and method based on wireless data communication |
| CN105243938A (en) * | 2015-11-05 | 2016-01-13 | 国网福建省电力有限公司 | Switch cabinet test system and test method |
| CN105654821A (en) * | 2014-11-24 | 2016-06-08 | 北京北研兴电力仪表有限责任公司 | Fault simulation apparatus for electrical control system of transformer equipment |
| CN105741653A (en) * | 2016-04-29 | 2016-07-06 | 山东平安电气设备有限公司 | Transformation and distribution room simulation controller |
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| CN110398943A (en) * | 2019-07-17 | 2019-11-01 | 上海电机学院 | A kind of multi-layer three-dimensional experiment platform of control system and its building method |
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| CN104464429A (en) * | 2014-12-11 | 2015-03-25 | 国家电网公司 | KYN switch cabinet maintenance somatosensory equipment and using method thereof |
| CN105070136A (en) * | 2015-08-27 | 2015-11-18 | 临汾电力高级技工学校 | Switch cabinet maintenance somatosensory system and method based on wireless data communication |
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| CN105810061A (en) * | 2016-04-15 | 2016-07-27 | 国网江苏省电力公司盐城供电公司 | Digital simulation reactive compensation controller |
| CN105741653A (en) * | 2016-04-29 | 2016-07-06 | 山东平安电气设备有限公司 | Transformation and distribution room simulation controller |
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| CN109493671A (en) * | 2017-12-27 | 2019-03-19 | 国网山东省电力公司潍坊供电公司 | Multifunction power dispatches remote operation training equipment |
| CN109559586A (en) * | 2017-12-27 | 2019-04-02 | 国网山东省电力公司潍坊供电公司 | Long-range control power regulation training system |
| CN109559586B (en) * | 2017-12-27 | 2020-10-20 | 国网山东省电力公司潍坊供电公司 | Remote control electric power regulation and control training system |
| CN109493671B (en) * | 2017-12-27 | 2020-10-23 | 国网山东省电力公司潍坊供电公司 | Multifunctional remote operation training equipment for power dispatching |
| CN110398943A (en) * | 2019-07-17 | 2019-11-01 | 上海电机学院 | A kind of multi-layer three-dimensional experiment platform of control system and its building method |
| CN112802373A (en) * | 2021-02-07 | 2021-05-14 | 中国石油化工股份有限公司 | Information entertainment teaching integrated simulation teaching system in petrochemical industry |
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Application publication date: 20140702 |