CN103123758B - A kind of dispatching automation numeral physical mixed simulation training system - Google Patents
A kind of dispatching automation numeral physical mixed simulation training system Download PDFInfo
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Abstract
The invention discloses a kind of dispatching automation numeral physical mixed simulation training system.Wherein, primary equipment is grid simulation simulation system, and secondary device comprises regulation and control central master station and/or intelligent substation.Regulation and control central master station comprises regulator control system server, and regulator control system server connects intelligent substation and digital physical hybrid simulation system respectively.Digital physical hybrid simulation system comprises interface section and simulated grid part, and wherein interface section has plant stand signal imitation terminal and digital physical interface equipment, and digital physical interface equipment is connected with intelligent substation; Simulated grid part has primary equipment, and primary equipment is connected with plant stand signal imitation terminal and digital physical interface equipment respectively.The present invention adopts secondary real equipment, true dispatch automated system and analog machine by the mode of digital physical interface equipment seamless link, for emulation training provides real operating environment.
Description
Technical field
The present invention relates to a kind of electric analog training system, particularly relate to a kind of needs towards dispatch automated system emulation training, digital physical mixed simulation training system primary equipment and secondary real equipment rolled into one, belongs to Simulating technique in Electric Power System field.
Background technology
Modern power systems has several large feature: scale is increasing, single-machine capacity is increasing, transmission distance is increasing, service area is increasing, automaticity is more and more higher, more and more higher to the requirement of power supply reliability.These features propose very high requirement to the working experience of power grid operation management personnel and operation knowledge.Although the probability of happening of power grid accident is very little, once occur, the loss caused is likely catastrophic.And the knowledge and experience of accident settlement must temper and accumulate from the misoperation of electrical network reality and accident treatment.Under this background, the emulation training work for electric system just seems particularly important.
The emulation technology of electric system is divided into Digital Simulation and the large class of physical simulation two.Digital Simulation System can change optimum configurations flexibly and easily, has stronger versatility, is widely used in electric system.Physical simulation can reflect the various characteristics of real system truly, is the dynamic behaviour of research practical power systems, verifies the indispensable important means of new equipment.
At present, dispatch automated system emulation training adopts digital Dispatcher Training Simulator (being called for short DTS system) usually.But traditional DTS system simply can only run training to yardman, the training function of dispatching center's equipment repair and maintenance and substation automation equipment operation maintenance can not be realized, be difficult to meet the demand of yardman being carried out to comprehensive training.And based on the simulation training system that digital physical mixed emulates; not only can the normal or malfunction of simulating grid; real data source can be provided for dispatching system simultaneously; the behavior of transforming plant primary equipment can be reflected in detail and truly; can operate and all kinds of dynamic process by simulating grid truly again; thus built real dispatch automated system operation maintenance Training Environment, improve result of training.Therefore, growing electric system needs a set of more comprehensively simulation training system.
Be in the Chinese patent application file of 201110003016.4 at application number, disclose a kind of Substation Training Simulator based on numerical model analysis emulation technology.This simulation training system comprises training electric system analogue system of teacher side and the substation secondary device system of trainee side.Transforming plant primary analogue system is used for that analog electrical Force system primary equipment is normal, running status under fault; normal or fault data are transferred to substation secondary device system to drive substation secondary device simultaneously; Substation Training student can monitor complete electric power system data by substation secondary device, the operation conditions of true reflection electric system primary equipment.But the secondary device in this simulation training system is not built by real equipment, be unfavorable for training the cultivation of on-the-spot operation maintenance personnel.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of dispatching automation numeral physical mixed simulation training system (abbreviation simulation training system).This simulation training system adopts hardware-in-the-loop simulation model buildings, is convenient to carry out the skills training such as operation maintenance, overhaul of the equipments and Technique Authentication to on-the-spot operation maintenance personnel.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of dispatching automation numeral physical mixed simulation training system, comprise the primary equipment as analog machine and the secondary device as real equipment, wherein said primary equipment is grid simulation simulation system, and described secondary device comprises regulation and control central master station and/or intelligent substation;
Described regulation and control central master station comprises regulator control system server, and described regulator control system server connects described intelligent substation and digital physical hybrid simulation system respectively;
Described digital physical hybrid simulation system comprises interface section and simulated grid part, and wherein said interface section has plant stand signal imitation terminal and digital physical interface equipment, and described digital physical interface equipment is connected with intelligent substation;
Described simulated grid part has described primary equipment, and described primary equipment is connected with described plant stand signal imitation terminal and described digital physical interface equipment respectively.
Wherein more preferably, described primary equipment is realized by intelligent grid real-time simulator.
Wherein more preferably, described intelligent grid real-time simulator calculates electrical network real-time running state, by described digital physical interface equipment and described intelligent substation alternately, and is communicated with described regulation and control central master station by the telemechanical main frame in described intelligent substation.
Or described intelligent grid real-time simulator is communicated with described plant stand signal imitation terminal by bus, the Telecontrol Protocol of described plant stand signal imitation terminal emulation different manufacturers, direct and described regulation and control central master station communicates.
Wherein more preferably, described simulated grid part also comprises some teacher's machines, and each teacher's machine connects described intelligent grid real-time simulator respectively.
Wherein more preferably, described intelligent substation is divided into station level, wall and process layer, and wherein said station level has telemechanical main frame, and described wall has protected location and measurement and control unit, and described process layer has merge cells and intelligent terminal.
Wherein more preferably, described digital physical interface equipment is connected with the merge cells in described intelligent substation and intelligent terminal respectively.
Simulation training system provided by the present invention adopts secondary real equipment, true dispatch automated system and analog machine by the mode of digital physical interface equipment seamless link, for emulation training provides real operating environment.Comparatively buy true primary equipment and build training system, this simulation training system has saved cost greatly; Compared to full digital trigger technique, this simulation training system is that operation maintenance personnel understand in depth, learn secondary real equipment and provide omnibearing training platform.
Accompanying drawing explanation
Fig. 1 is the overall architecture schematic diagram of simulation training system provided by the present invention;
Fig. 2 is the network topology structure schematic diagram of simulation training system provided by the present invention;
Fig. 3 is in simulation training system provided by the present invention, the embodiment schematic diagram of an analog machine;
Fig. 4 is in simulation training system provided by the present invention, the schematic diagram of digital physical interface equipment.
Embodiment
Simulation training system provided by the present invention is formed primarily of primary equipment and secondary device two parts.Wherein, primary equipment is grid simulation simulation system, for realizing the transient behavior simulation under electrical network normal operating condition and failure operation state.For guaranteeing the state consistency of simulated grid and training stations, this primary equipment adopts electromechanical transient-electro-magnetic transient associative simulation technology, for dispatch automated system provides real data source.Secondary device is real equipment, includes but not limited to central master station and/or intelligent substation etc.This simulation training system breaches existing simulation training system and usually adopts full digital trigger technique (namely primary equipment and secondary device all adopt Digital Simulation), the limitation running training can only be carried out for yardman, more lay particular emphasis on, for on-the-spot operation maintenance personnel, problems such as understanding in depth is lacked for secondary device, by the digital physical interface equipment between primary equipment and the secondary device of main website and plant stand, build real dispatch automated system personnel operation maintenance Training Environment, thus reach the object of Reality simulation electric grid operating and dynamic process.
In the overall architecture of the simulation training system shown in Fig. 1, primary equipment, as analog machine, mainly comprises intelligent grid real-time simulator.It connects plant stand part by the digital physical interface equipment shown in Fig. 4, and then connects regulation and control central master station by dispatching communications subsystem (i.e. data communication network).Network topology structure schematic diagram shown in Figure 2, this regulation and control central master station comprises regulator control system server and workstation, and wherein regulator control system server connects intelligent substation and digital physical hybrid simulation system respectively by data communication network.This intelligent substation is divided into station level, wall and process layer, and wherein station level has telemechanical main frame, and wall has protected location and measurement and control unit, and process layer has merge cells and intelligent terminal.This digital physical hybrid simulation system comprises interface section and simulated grid part, wherein interface section has plant stand signal imitation terminal and digital physical interface equipment, and this digital physical interface equipment is connected with the merge cells in intelligent substation and intelligent terminal respectively.Simulated grid part has intelligent grid real-time simulator and some teacher's machines, and each teacher's machine connects intelligent grid real-time simulator respectively, and intelligent grid real-time simulator is connected with plant stand signal imitation terminal and digital physical interface equipment respectively.
In simulation training system provided by the present invention, regulation and control central master station (also claiming scheduling station) adopt typical dispatching automation main station system, substation is designed according to intelligent substation, and secondary device all adopts real grid equipment, and configuration and working site are consistent.This simulation training system has following technical characterstic:
(1) regulate and control central master station and regulate and control integrated design according to true SCADA/PAS, the SCADA(remote monitoring system of main training dispatching of power netwoks personnel and operation maintenance personnel) function, PAS(advanced applied software) function, secondary device function of safety protection.
(2) plant stand end requires design according to intelligent substation, adopt real station level, wall and process layer devices, main training intelligent substation runs, debug, safeguard and telemechanical apparatus is installed, debugged and maintenance technology, the basic fundamental of telemechanical communication and stipulations.
(3) electrical network and transforming plant primary equipment adopt all-digital simulation system simulation, and real-time simulation realizes electrical network normal operating condition and failure operation state; Isolating switch, disconnecting link and operating mechanism employing analog machine, realizes substation automation secondary device by digital physical interface equipment and real time data display is bound organically in digital physical hybrid simulation system integrally.
This simulation training system has two kinds of mode of operations, respectively towards different training requirements:
(1) plant stand part adopts real intelligent substation: intelligent grid real-time simulator calculates electrical network real-time running state, by digital physical interface equipment and intelligent substation mutual.Communicated with regulation and control central master station by the telemechanical main frame in intelligent substation, form dispatching automation simulation training system.Owing to adopting real intelligent substation, this pattern can meet the demand of plant stand end operation maintenance staff training.
(2) plant stand part adopts plant stand signal imitation terminal emulation: the electrical network real-time simulated animation result of intelligent grid real-time simulator is communicated with plant stand signal imitation terminal by bus, the Telecontrol Protocol of the more transformer station of plant stand signal imitation terminal emulation " three is distant " function and different manufacturers, directly communicate with regulation and control central master station, form dispatching automation simulation training system.Due to more scheduling sub-stations can be simulated and provide information for scheduling station, the training requirement of the dispatch automated system operation maintenance personnel in scheduling station can be met.
Primary equipment in this simulation training system adopts grid simulation simulation system, and real-time simulation realizes electrical network normal operating condition and failure operation state simulation.The simulation object of grid simulation simulation system is important power plant and the transformer station of area power grid and periphery, other AC network are adopted to the mode of Equivalent Network, adopt electro-magnetic transient and electromechanical transient associative simulation technology, when guaranteeing all methods of operation and carry out various operation and true electrical network be consistent.By this grid simulation simulation system, realize the electromechanical transient simulation that scope and the important generating plant of periphery electrical network and transformer station are adjusted in ground on the one hand, for the plant stand simulation not comprising real intelligence transformer station provides data source.The electromagnetic transient simulation of training plant stand and interdependent node can be realized on the other hand, for the training plant stand simulation comprising real intelligence transformer station provides data source.
Fig. 3 shows an embodiment of this grid simulation simulation system.In this embodiment, 2 training plant stands of configuration real intelligence transformer station are comprised, for realizing the electromagnetic transient simulation of relevant portion; Other plant stands are the plant stand not comprising real equipment, for adjusting the electromechanical transient simulation of electrical network and outside equivalence net with realizing.Grid simulation simulation system is based on embedded real-time operating system platform, and adopt multinuclear, parallel processing technique, can realize electromechanics-electromagnetic transient real-time simulated animation, simulation step length is less than 100 microseconds, forms complete closed loop with real secondary device.This grid simulation simulation system possesses perfect primary equipment realistic model.Comprising: multiple generator model, single-phase two group transformer model, three-phase two-simulation transformer model, three-phase three-winding transformer model, lumpy line model, distributed parameter transmission line model, isolating switch model, power of fixed frequency model etc., the transient behavior of electric system when all kinds fault and multiple failure can be simulated; Possess complete fault model, the character such as moment, trouble duration, fault resistance, fault type of the position of fault generation, fault generation can be set flexibly; Various grid switching operation function can be simulated, comprising: on-load draws, close disconnecting link, and charged co-grounding switch, band ground cutter close isolating switch, strong power transmission in fault etc.
Fig. 4 shows the digital physical interface equipment in this simulation training system.This emulation interface equipment comprises analog machine and interfacing equipment two parts, for realizing the seamless link of an analog machine and secondary real equipment.This emulation interface equipment requirement of real time, adopts PCI board to achieve switching value, analog acquisition, meets all kinds of training requirement.Analog machine wherein can realize the functions such as merge cells simulation, intelligent terminal simulation, electronic mutual inductor simulation, intelligent primary equipment simulation, is described as follows:
Merge cells analog machine is in accordance with IEC61850-9-2 standard, the communication message that simulation process layer combining unit sends, electromagnetic transient simulation result of calculation waveform is converted in real time the communication information to send, for bay device provides true and reliable simulation data source, realize the simulation of merge cells in intelligent substation.
Intelligent terminal analog machine adopts the OO transformer substation case of IEC61850 standard universal (GOOSE) to realize the emulation of input/output state amount information communication in intelligent substation, become wall and process layer information interactive interface, realize the simulation of intelligent terminal communication function.
Electronic mutual inductor analog machine is the equipment of analog electrical minor mutual inductor input/output signal, can be connected according to situ configuration with process layer devices, is mainly used in the training of the plant running such as process layer combining unit and intelligent terminal and maintenance technical ability.
Intelligence primary equipment analog machine comprises intelligent breaker, disconnecting link, main transformer and operating mechanism analog machine, can simulate status information and the controlled quentity controlled variable of primary equipment, is connected by cable connection with control box.This analog machine not only can analog switch, the normal running of disconnecting link and action situation, simultaneously can analog switch tripping, slow point, the equal various abnormal conditions of non-fully.Meanwhile, rhabdion point can be provided for relay protection, aut.eq., measure and control device etc.
In the present invention, secondary device can comprise main website of dispatching center and telemechanical substation two parts.These secondary devices are identical with situ configuration as far as possible, to provide real operating environment for training, reach best result of training.Specifically, telemechanical substation part adopts real secondary device: intelligent grid real-time simulator calculates electrical network real-time running state, mutual by digital physical interface equipment and real secondary device, communicated with regulation and control central master station by telemechanical main frame, formation dispatching automation training system.Main website of dispatching center part adopts real secondary device: by plant stand signal imitation terminal or telemechanical main frame, adopts IEC51870-5-101/104 stipulations access simulation training system.
Simulation training system provided by the present invention adopts secondary real equipment, true dispatch automated system and analog machine by the mode of digital physical interface equipment seamless link, for emulation training provides real operating environment, can realize the training function of the debugging of the relevant device of central master station and intelligent substation, maintenance and defect processing.Comparatively buy true primary equipment and build training system, this simulation training system has saved cost greatly; Compared to full digital trigger technique, this simulation training system is that operation maintenance personnel understand in depth, learn secondary real equipment and provide omnibearing training platform.
This simulation training system is that intelligent grid regulation and control operations staff establishes comprehensive training platform, and operation maintenance personnel provide production skills training, qualification, contest, apparatus function analytical test to may be used for management and running specialty, dispatch automated system, substation automation specialty, power transformation operation is professional etc.The phenomenon that operation maintenance personnel can be made to understand various fault occur by simulation training, reason and change procedure, sum up accumulation process experience.
Above dispatching automation numeral physical mixed simulation training system provided by the present invention is described in detail.For one of ordinary skill in the art, to any apparent change that it does under the prerequisite not deviating from connotation of the present invention, all by formation to infringement of patent right of the present invention, corresponding legal liabilities will be born.
Claims (7)
1. a dispatching automation numeral physical mixed simulation training system, comprises the primary equipment as analog machine and the secondary device as real equipment, it is characterized in that:
Described primary equipment is grid simulation simulation system, and described secondary device comprises regulation and control central master station and intelligent substation;
Described regulation and control central master station comprises regulator control system server, and described regulator control system server connects described intelligent substation and digital physical hybrid simulation system respectively;
Described digital physical hybrid simulation system comprises interface section and simulated grid part, and wherein said interface section has plant stand signal imitation terminal and digital physical interface equipment, and described digital physical interface equipment is connected with intelligent substation;
Described simulated grid part has described primary equipment, and described primary equipment is connected with described plant stand signal imitation terminal and described digital physical interface equipment respectively;
Described digital physical interface equipment comprises analog machine and interfacing equipment two parts, for realizing the seamless link of primary equipment and secondary device; Wherein, described analog machine comprises merge cells analog machine and intelligent terminal analog machine further;
Described merge cells analog machine is in accordance with IEC61850-9-2 standard, the communication message that simulation process layer combining unit sends, electromagnetic transient simulation result of calculation waveform is converted in real time the communication information to send, for bay device provides simulation data source, realize the simulation of merge cells in intelligent substation;
Described intelligent terminal analog machine adopts the OO transformer substation case of IEC61850 standard universal to realize the emulation of input/output state amount information communication in intelligent substation, become the information interactive interface of wall and process layer, realize the simulation of intelligent terminal communication function.
2. dispatching automation numeral physical mixed simulation training system as claimed in claim 1, is characterized in that:
Described primary equipment is realized by intelligent grid real-time simulator.
3. dispatching automation numeral physical mixed simulation training system as claimed in claim 2, is characterized in that:
Described intelligent grid real-time simulator calculates electrical network real-time running state, by described digital physical interface equipment and described intelligent substation alternately, and is communicated with described regulation and control central master station by the telemechanical main frame in described intelligent substation.
4. dispatching automation numeral physical mixed simulation training system as claimed in claim 2, is characterized in that:
Described intelligent grid real-time simulator is communicated with described plant stand signal imitation terminal by bus, and the Telecontrol Protocol of described plant stand signal imitation terminal emulation different manufacturers, direct and described regulation and control central master station communicates.
5. dispatching automation numeral physical mixed simulation training system as claimed in claim 2, is characterized in that:
Described simulated grid part also comprises some teacher's machines, and each teacher's machine connects described intelligent grid real-time simulator respectively.
6. dispatching automation numeral physical mixed simulation training system as claimed in claim 1, is characterized in that:
Described intelligent substation is divided into station level, wall and process layer, and wherein said station level has telemechanical main frame, and described wall has protected location and measurement and control unit, and described process layer has merge cells and intelligent terminal.
7. dispatching automation numeral physical mixed simulation training system as claimed in claim 6, is characterized in that:
Described digital physical interface equipment is connected with the merge cells in described intelligent substation and intelligent terminal respectively.
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| CN102663912A (en) * | 2012-03-14 | 2012-09-12 | 福建省电力有限公司培训中心 | Computer simulation systems for integrated dispatching and monitoring of regional power network |
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| KR100932184B1 (en) * | 2008-02-26 | 2009-12-17 | 충남대학교산학협력단 | Portable reverse pendulum control learning kit |
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| CN101154213A (en) * | 2006-09-27 | 2008-04-02 | 上海电气集团股份有限公司 | Simulation platform of macrotype power station integrated automation system |
| CN101710458A (en) * | 2009-12-25 | 2010-05-19 | 上海申瑞电力科技股份有限公司 | Method for grid steady simulating way recorded on the basis of real-time event sequence |
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| CN102185378A (en) * | 2011-05-04 | 2011-09-14 | 国电南瑞科技股份有限公司 | Method for realizing automatic system of intelligent transformer station |
| CN202221628U (en) * | 2011-09-19 | 2012-05-16 | 河北省电力公司职业技术培训中心 | Simulation system for power grid of hybrid transformer substation |
| CN102663912A (en) * | 2012-03-14 | 2012-09-12 | 福建省电力有限公司培训中心 | Computer simulation systems for integrated dispatching and monitoring of regional power network |
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