CN103123758A - Dispatching automation digital physical hybrid simulation training system - Google Patents
Dispatching automation digital physical hybrid simulation training system Download PDFInfo
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Abstract
The invention discloses a dispatching automation digital physical hybrid simulation training system. A primary device is a power network simulation system, and a secondary device comprises a control center main station and/or an intelligent substation. The control center main station comprises a control system server, and the control system server is respectively connected with the intelligent substation and a digital physical hybrid simulation system. The digital physical hybrid simulation system comprises an interface portion and a simulation power network portion, the interface portion is provided with a station signal simulation terminal and a digital physical interface device, the digital physical interface device is connected with the intelligent substation, the simulation power network portion is provided with the primary device, and the primary device is respectively connected with the station signal simulation terminal and the digital physical interface device. A real operating environment is provided for simulation training by seamlessly connecting the secondary real device, a real dispatching automation system and the primary simulation device through the digital physical interface device.
Description
Technical field
The present invention relates to a kind of electric analog training system, relate in particular to a kind of needs towards the dispatch automated system emulation training, with the digital physical mixed simulation training system that primary equipment and secondary real equipment roll into one, belong to the Simulating technique in Electric Power System field.
Background technology
Modern power systems has several large characteristics: 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 characteristics have proposed very high requirement to operation of power networks maintainer's working experience and operation knowledge.Although the probability of happening of power grid accident is very little, in case occur, the loss that causes might be catastrophic.And the knowledge and experience of processing accident must temper and accumulate from the misoperation of electrical network reality and accident treatment.Under this background, just seem particularly important for the emulation training work of electric system.
The emulation technology of electric system is divided into Digital Simulation and the large class of physical simulation two.Digital Simulation System can be changed the parameter setting 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, the indispensable important means of verification new equipment.
At present, the dispatch automated system emulation training adopts digital Dispatcher Training Simulator (abbreviation DTS system) usually.Yet traditional DTS system can only carry out simple operation training to the yardman, can not realize the training function of dispatching center's equipment repair and maintenance and substation automation equipment operation maintenance, is difficult to satisfy the demand of the yardman being carried out comprehensive training.And based on the simulation training system of digital physical mixed emulation; normal or malfunction that not only can simulating grid; simultaneously can provide real data source for dispatching system; can reflect in detail and truly the behavior of transforming plant primary equipment; simulating grid operates and all kinds of dynamic process truly again; thereby built real dispatch automated system operation maintenance Training Environment, improved result of training.Therefore, growing electric system need to have more comprehensively simulation training system of a cover.
In application number was 201110003016.4 Chinese patent application file, a kind of Substation Training Simulator based on digital-to-analogue hybrid simulation technology was disclosed.This simulation training system comprises analogue system of electric system of training teacher side and the substation secondary device system of trainee's side.The transforming plant primary analogue system is used for that simulation electric system primary equipment is normal, the running status under fault; simultaneously will be normal or fault data be transferred to the substation secondary device system and drive substation secondary device; Substation Training student can monitor complete electric power system data by substation secondary device, truly reflects the operation conditions of electric system primary equipment.But the secondary device in this simulation training system is not to be built by real equipment, is unfavorable for the cultivation training to 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 the hardware-in-the-loop simulation model buildings, is convenient to on-the-spot operation maintenance personnel are carried out skills training and the Technique Authentications such as operation maintenance, overhaul of the equipments.
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 as the primary equipment of analog machine with as the secondary device of real equipment, wherein said primary equipment is the 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 the regulator control system server, and described regulator control system server connects respectively described intelligent substation and digital physical mixed analogue system;
Described digital physical mixed analogue system comprises interface section and emulation electrical network part, and wherein said interface section has factory's station signal imitation terminal and digital physical interface equipment, and described digital physical interface equipment is connected with intelligent substation;
Described emulation electrical network partly has described primary equipment, described primary equipment respectively with described factory station signal imitation terminal be connected digital physical interface equipment and be connected.
Wherein more preferably, described primary equipment is realized by the intelligent grid real-time simulator.
Wherein more preferably, described intelligent grid real-time simulator calculates the electrical network real-time running state, and is mutual by described digital physical interface equipment and described intelligent substation, and communicates by letter with described regulation and control central master station by the telemechanical main frame in described intelligent substation.
Perhaps, described intelligent grid real-time simulator communicates by bus and described factory station signal imitation terminal, the Telecontrol Protocol of described factory station signal imitation terminal emulation different manufacturers, and direct and described regulation and control central master station is communicated by letter.
Wherein more preferably, described emulation electrical network part also comprises some teacher's machines, and each teacher's machine connects respectively described intelligent grid real-time simulator.
Wherein more preferably, described intelligent substation is divided into station level, wall and process layer, and wherein said station level has the 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 respectively with described intelligent substation in merge cells be connected with intelligent terminal.
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.Buy true primary equipment and build training system, this simulation training system has been saved cost greatly; Compared to digital emulation, this simulation training system provides omnibearing training platform for the operation maintenance personnel understand, learn the secondary real equipment in depth.
Description of drawings
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 mainly is made of primary equipment and secondary device two parts.Wherein, primary equipment is the grid simulation simulation system, for the transient behavior simulation that realizes under electrical network normal operating condition and failure operation state.Be the state consistency of guaranteeing that emulation electrical network and training are stood, 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 has been broken through existing simulation training system and has usually been adopted digital emulation (being that primary equipment and secondary device all adopt Digital Simulation), can only move for the yardman limitation of training, more lay particular emphasis on for on-the-spot operation maintenance personnel and lack the problem such as understand in depth for secondary device, by the digital physical interface equipment between the secondary device at primary equipment and main website and factory station, build real dispatch automated system personnel's operation maintenance Training Environment, thereby reach the purpose of Reality simulation electric grid operating and dynamic process.
In the overall architecture of simulation training system shown in Figure 1, primary equipment mainly comprises the intelligent grid real-time simulator as analog machine.It connects factory's station part by digital physical interface equipment shown in Figure 4, and then connects the regulation and control central master station by dispatching communications subsystem (being 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, wherein the regulator control system server connects respectively intelligent substation and digital physical mixed analogue system by data communication network.This intelligent substation is divided into station level, wall and process layer, and wherein station level has the telemechanical main frame, and wall has protected location and measurement and control unit, and process layer has merge cells and intelligent terminal.This numeral physical mixed analogue system comprises interface section and emulation electrical network part, wherein the interface section has factory station signal imitation terminal and digital physical interface equipment, this numeral physical interface equipment respectively with intelligent substation in merge cells be connected with intelligent terminal.The emulation electrical network partly has intelligent grid real-time simulator and some teacher's machines, and each teacher's machine connects respectively the intelligent grid real-time simulator, the intelligent grid real-time simulator respectively with factory station signal imitation terminal be connected physical interface equipment and be connected.
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, the substation is designed according to intelligent substation, and secondary device all adopts real grid equipment, and configuration is consistent with the working site.This simulation training system has following technical characterstic:
(1) the regulation and control central master station is according to true SCADA/PAS regulation and control integrated design, the SCADA(remote monitoring system of mainly training dispatching of power netwoks personnel and operation maintenance personnel) function, PAS(advanced applied software) function, secondary device function of safety protection.
(2) factory station end requires design according to intelligent substation, adopt real station level, wall and process layer devices, the operation of main training intelligent substation, debugging, maintenance and telemechanical apparatus installation, debugging and maintenance technology, the basic fundamental of telemechanical communication and stipulations.
(3) electrical network and transforming plant primary equipment adopt digital analogue system simulation, and real-time simulation realizes electrical network normal operating condition and failure operation state; Isolating switch, disconnecting link and operating mechanism adopt analog machine, realize that by digital physical interface equipment substation automation secondary device and real-timedigital simulation system are bound organically in the digital physical mixed analogue system of one.
This simulation training system has two kinds of mode of operations, respectively towards different training requirements:
(1) factory station part adopts real intelligent substation: the intelligent grid real-time simulator calculates the electrical network real-time running state, and is mutual by digital physical interface equipment and intelligent substation.Communicate by letter with the regulation and control central master station by the telemechanical main frame in intelligent substation, consist of the dispatching automation simulation training system.Owing to adopting real intelligent substation, this pattern can satisfy the demand of factory's station end operation maintenance staff training.
(2) factory station part adopts factory's station signal imitation terminal emulation: the electrical network real-time simulation result of calculation of intelligent grid real-time simulator communicates by bus and factory's station signal imitation terminal, the Telecontrol Protocol of factory's station signal imitation terminal emulation more transformer station " three is distant " function and different manufacturers, directly communicate by letter with the regulation and control central master station, consist of the dispatching automation simulation training system.Owing to can simulating more scheduling sub-stations and for scheduling station provides information, can satisfying the training requirement of the dispatch automated system operation maintenance personnel in scheduling station.
Primary equipment in this simulation training system adopts the 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, mode to other AC network Adoption Network equivalences, adopt electro-magnetic transient and electromechanical transient associative simulation technology, be consistent with true electrical network when guaranteeing all methods of operation and carrying out various operation.By this grid simulation simulation system, realize that on the one hand ground transfers the electromechanical transient simulation of scope and the important generating plant of peripheral electrical network and transformer station, simulating for the factory station that does not comprise real intelligence transformer station provides data source.Can realize on the other hand training the electromagnetic transient simulation of factory station and interdependent node, for the training factory station simulation that comprises real intelligence transformer station provides data source.
Fig. 3 has shown an embodiment of this grid simulation simulation system.In this embodiment, comprise 2 training factory stations of configuration real intelligence transformer station, be used for realizing the electromagnetic transient simulation of relevant portion; Other factory stations are the factory station that does not comprise real equipment, are used for realizing the electromechanical transient simulation of ground accent electrical network and outside equivalent net.The grid simulation simulation system adopts multinuclear, parallel processing technique based on the embedded real-time operating system platform, can realize electromechanics-electromagnetic transient real-time simulation calculating, and simulation step length is less than 100 microseconds, with real secondary device complete closed loop.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 in the time of can simulating all kinds fault and multiple failure; Possess complete fault model, the character such as position that fault occurs, moment that fault occurs, trouble duration, fault resistance, fault type can be set flexibly; Can simulate various grid switching operation functions, comprising: on-load draws, closes disconnecting link, and charged co-grounding switch, band ground cutter close isolating switch, strong power transmission to the fault etc.
Fig. 4 has shown the digital physical interface equipment in this simulation training system.This emulation interface equipment comprises analog machine and interfacing equipment two parts, is used for realizing the seamless link of analog machine and secondary real equipment.This emulation interface equipment requirement of real time adopts the PCI integrated circuit board to realize switching value, analog acquisition, satisfies all kinds of training requirements.Analog machine wherein can be realized the functions such as merge cells simulation, intelligent terminal simulation, electronic mutual inductor simulation, intelligent primary equipment simulation, is described as follows:
The merge cells analog machine is in accordance with the IEC61850-9-2 standard, the communication message that the simulation process layer combining unit sends, electromagnetic transient simulation result of calculation waveform is converted into the communication information in real time to be sent, for bay device provides true and reliable simulation data source, realize the simulation of merge cells in intelligent substation.
The 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.
The electronic mutual inductor analog machine is the equipment of analog electrical minor mutual inductor input/output signal, can be connected with process layer devices according to situ configuration, is mainly used in the training that the devices such as process layer combining unit and intelligent terminal moved and overhauled 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 with control box by cable connection.This analog machine not only can analog switch, normal running and the action situation of disconnecting link, simultaneously can the analog switch tripping, divide slowly, the non-complete various abnormal conditions that equate.Simultaneously, can provide the rhabdion point for relay protection, aut.eq., measure and control device etc.
In the present invention, secondary device can comprise dispatching center main website and telemechanical substation two parts.These secondary devices are identical with situ configuration as far as possible, in order to for training provides real operating environment, reach best result of training.Specifically, telemechanical substation part adopts real secondary device: the intelligent grid real-time simulator calculates the electrical network real-time running state, mutual with real secondary device by digital physical interface equipment, communicate by letter with the regulation and control central master station by the telemechanical main frame, consist of the dispatching automation training system.The dispatching center main website partly adopts real secondary device: by factory stand signal imitation terminal or telemechanical main frame, adopt 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 debugging, maintenance and the defect processing of the relevant device of central master station and intelligent substation.Buy true primary equipment and build training system, this simulation training system has been saved cost greatly; Compared to digital emulation, this simulation training system provides omnibearing training platform for the operation maintenance personnel understand, learn the secondary real equipment in depth.
This simulation training system is that intelligent grid regulation and control operations staff has set up the comprehensive training platform, and the operation maintenance personnel provide production skills training, evaluation, contest, apparatus function analytical test can be used for management and running specialty, dispatch automated system, substation automation is professional, power transformation operation is professional etc.Can make the operation maintenance personnel understand phenomenon, reason and change procedure that various faults occur by simulation training, sum up accumulation processing experience.
The above is described in detail dispatching automation numeral physical mixed simulation training system provided by the present invention.For one of ordinary skill in the art, any apparent change of under the prerequisite that does not deviate from connotation of the present invention, it being done all will consist of infringement of patent right of the present invention, will bear corresponding legal liabilities.
Claims (7)
1. dispatching automation numeral physical mixed simulation training system comprises as the primary equipment of analog machine with as the secondary device of real equipment, it is characterized in that:
Described primary equipment is the 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 the regulator control system server, and described regulator control system server connects respectively described intelligent substation and digital physical mixed analogue system;
Described digital physical mixed analogue system comprises interface section and emulation electrical network part, and wherein said interface section has factory's station signal imitation terminal and digital physical interface equipment, and described digital physical interface equipment is connected with intelligent substation;
Described emulation electrical network partly has described primary equipment, described primary equipment respectively with described factory station signal imitation terminal be connected digital physical interface equipment and be connected.
2. dispatching automation as claimed in claim 1 numeral physical mixed simulation training system is characterized in that:
Described primary equipment is realized by the intelligent grid real-time simulator.
3. dispatching automation as claimed in claim 2 numeral physical mixed simulation training system is characterized in that:
Described intelligent grid real-time simulator calculates the electrical network real-time running state, and is mutual by described digital physical interface equipment and described intelligent substation, and communicates by letter with described regulation and control central master station by the telemechanical main frame in described intelligent substation.
4. dispatching automation as claimed in claim 2 numeral physical mixed simulation training system is characterized in that:
Described intelligent grid real-time simulator communicates by bus and described factory station signal imitation terminal, the Telecontrol Protocol of described factory station signal imitation terminal emulation different manufacturers, and direct and described regulation and control central master station is communicated by letter.
5. dispatching automation as claimed in claim 2 numeral physical mixed simulation training system is characterized in that:
Described emulation electrical network part also comprises some teacher's machines, and each teacher's machine connects respectively described intelligent grid real-time simulator.
6. dispatching automation as claimed in claim 1 numeral physical mixed simulation training system is characterized in that:
Described intelligent substation is divided into station level, wall and process layer, and wherein said station level has the 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 as claimed in claim 6 numeral physical mixed simulation training system is characterized in that:
Described digital physical interface equipment respectively with described intelligent substation in merge cells be connected with intelligent terminal.
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