CN102663912A - Computer simulation systems for integrated dispatching and monitoring of regional power network - Google Patents
Computer simulation systems for integrated dispatching and monitoring of regional power network Download PDFInfo
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Abstract
The invention relates to computer simulation systems, especially computer simulation systems for integrated dispatching and monitoring of regional power network comprising a transformer station simulation system, a transformer station integrated automation control simulation system, a power network simulation system, a power network SCADA scheduling simulation system, a trainer-trainee system and a simulation operation supporting system. Interaction between simulation digit models of all the above systems except the simulation operation supporting system and the simulation operation supporting system, the interaction between equipment simulation digit models and the simulation digit models respectively running control systems and the interaction between all the interaction information generated by calculation and the simulation operation support system realize full-range, whole-process and whole-scene simulation in a range of a regional power network; on the basis of the interactions, integrated training of all-round dispatching and monitoring for dispatchers and monitoring clerks in a dispatching and monitoring center and operators of an operation institute can be carried out based on computer network systems and computer operation terminals; not only single-station mode training but also integrated dispatching and monitoring mode training can be carried out to satisfy on-site operation management mode change and training need change.
Description
Technical field
The present invention relates to a kind of computer simulation system, particularly a kind of regional power grid regulation and control integrated computer analogue system.
Background technology
Comprise transformer station and transmission of electricity electrical network in the regional power grid, transformer station and the respectively independent control of transmission of electricity electrical network in the prior art, do not have between the two in the control too many mutual; Wherein transformer station is monitored by the monitor, and the transmission of electricity electrical network is then by yardman's scheduling, in order to train the monitor; Be provided with the supervisory control of substation analogue system, same, in order to train the yardman; Then be provided with transmission of electricity dispatching of power netwoks analogue system, these analogue systems are not independently carried out any mutual separately yet.But the independent separately regulation and control of above-mentioned transformer station and transmission of electricity electrical network can not have been satisfied the regulation and control demand of modern big electrical network; Its accident treatment efficient and regular job efficient can not satisfy the demands; And regulate and control if the transformer station in the zone is formed one with the transmission of electricity electrical network; Exist the yardman that transformer station is unfamiliar with again, the monitor is to the unfamiliar problem of transmission of electricity electrical network.
Invention constitutes
The objective of the invention is to overcome weak point of the prior art; And provide a kind of can the simulating area electrical network in operation conditions, operation information and the transformer station of transformer station and transmission of electricity electrical network with the transmission of electricity electrical network health information after mutual, but and simulated failure and the regional power grid of simulating the one regulation and control regulate and control the integrated computer analogue system.
The objective of the invention is to realize through following approach.
Regional power grid regulation and control integrated computer analogue system; It is formed main points and is; Comprise substation simulation system, integrated automation of transformation stations control analogue system, grid simulation system, electrical network SCADA scheduling simulation system, teacher and student system and simulation run support system; Substation simulation system, integrated automation of transformation stations control analogue system, grid simulation system, electrical network SCADA scheduling simulation system calculate and generate, store the numerical information of being simulated based on CPU and database separately; Teaching notes numerical information, operation simulation order numerical information and institute's administering digital information etc. are calculated and generate, stored in teacher and student system based on CPU and database; It also includes teacher's computer operation terminal and student's computer operation terminal; Above-mentioned each numerical information through system separately respectively with generate based on central cpu and central database being connected of simulation run support system these information is passed to the simulation run support system; The substation simulation system is connected alternately with integrated automation of transformation stations control analogue system and calculation control generation interactive information passes to the simulation run support system alternately; The grid simulation system is connected with electrical network SCADA scheduling simulation system alternately and calculation control generation interactive information passes to the simulation run support system alternately; Above-mentioned each connection connects based on computer network; The teacher is provided with various running statuses and various fault numerical information through teacher's computer operation terminal with the numerical information simulation, and the various places student carries out coordinated operation and accident treatment training through student's computer operation terminal separately under teacher's commander.
Substation simulation system and grid simulation system are the device emulation systems in above-mentioned each system, and integrated automation of transformation stations control analogue system and electrical network SCADA scheduling simulation system are the control analogue systems that its device emulation system is controlled in corresponding operation.
The simulated digital model of above-mentioned each system and simulation run support system mutual; Device emulation digital model and the mutual of operation control system simulated digital model separately and institute calculates generation interactive information and simulation run support system alternately; Realized the emulation of the interior gamut of regional power grid scope, overall process, whole audience scape; On this basis; Based on computer network system and computer operation terminal, can carry out the training of comprehensive regulation and control one to regulation and control center dispatcher, monitor, the operated member of operation, both can carry out list station pattern drill; Also can regulate and control model of integration training, satisfy on-the-spot operational management patterns of change and training requirement and change.This is the advantage that the present invention is different from prior art.
Description of drawings
Accompanying drawing is a regional power grid regulation and control integrated computer emulate system architecture block scheme of the present invention.
Below in conjunction with accompanying drawing the present invention is carried out more detailed description.
Embodiment
Most preferred embodiment:
With reference to accompanying drawing 1; Regional power grid regulation and control integrated computer analogue system; Comprise substation simulation system, integrated automation of transformation stations control analogue system, grid simulation system, electrical network SCADA scheduling simulation system, teacher and student system and simulation run support system; Substation simulation system, integrated automation of transformation stations control analogue system, grid simulation system, electrical network SCADA scheduling simulation system calculate and generate, store the numerical information of being simulated based on CPU and database separately; Teaching notes numerical information, operation simulation order numerical information and institute's administering digital information etc. are calculated and generate, stored in teacher and student system based on CPU and database; It also includes teacher's computer operation terminal and student's computer operation terminal; Above-mentioned each numerical information through system separately respectively with generate based on central cpu and central database being connected of simulation run support system these information is passed to the simulation run support system; The substation simulation system is connected alternately with integrated automation of transformation stations control analogue system and calculation control generation interactive information passes to the simulation run support system alternately; The grid simulation system is connected with electrical network SCADA scheduling simulation system alternately and calculation control generation interactive information passes to the simulation run support system alternately; Above-mentioned each connection connects based on computer network; The teacher is provided with various running statuses and various fault numerical information through teacher's computer operation terminal with the numerical information simulation, and the various places student carries out coordinated operation and accident treatment training through student's computer operation terminal separately under teacher's commander.
In the simulation run support system, include Database Systems, software support system and the application software of mutual connection communication and calculation control, wherein:
The mode that Database Systems adopt commercial relational database to combine with real-time data base had both guaranteed the real-time responsiveness of data access, data processing can satisfy standard and opening to external system interface again.Commercial data base adopts widely used relational database system on the our times, and the user can be free according to actual conditions.
The software support system adopts the simulation software development platform that can support interactive mode, distributing emulation system; The interoperability and the expandability problem of distributed emulation training system have been solved; Can grid simulation, substation simulation be integrated in the comprehensive simulated environment, satisfy the needs of emulation training.In addition on software configuration; The simulation software support system adopts bus type symmetric body architecture; Have good scalability and extendibility; Grid simulation, substation simulation and the emulation of integrated automation of transformation stations backstage are integrated in the comprehensive simulated environment, can satisfy the needs of various scale electrical network multi-stage combination simulation training systems, can regulate and control integrated monitoring person and operator's training.
Be the convenience and maintainability, raising system development speed and the ratio of performance to price that takes into full account use; Electrical network partly adopts the integrated technique of figure, database and realistic model, for the data typing provides intuitively, patterned input tool, generates the power network topology parameter automatically; Multiple effective measures have also been taked in the system; Guarantee that data are correctly reliable, reach once input, the purpose that the overall situation is shared.
On application software, transformer station's three-dimensional scenic emulation, grid simulation, monitoring system of electric substation emulation, substation simulation are organically combined integrated system; Realized the three-dimensional gamut emulation training of transformer station; Can correctly reflect interaction, interactional relation between electrical network, monitoring system of electric substation and the transformer station, improve the consistance and the authenticity of whole simulation training system.
The communication of each computing machine in the system all adopt iso standard, IEC standard, ITU standard and computer network with communicate by letter in the ICP/IP protocol that the most extensively adopts; Demonstrated fully the opening of system; (computing machine of above-mentioned standard of any use and communication protocol will very interconnect with native system easily, easily with the interconnection that reaches open system; Realize message exchange), so system can satisfy the requirement of reliability and expandability.
In the substation simulation system; In first and second device emulation and first and second equipment inspection tour system of transformer station; Employing has been developed transformer station's first and second equipment three-dimensional interactive virtual scene system based on the virtual reality technology of OpenGL, has realized the three-dimensional reconstruction of transformer station's first and second equipment; Normal, unusual, the accident condition and the course of action thereof that have reflected equipment visually; Not only can make an inspection tour, check, roam, and can carry out pseudo operation, improve the sense of reality, the presence of system the equipment in the virtual scene.Monitoring system of electric substation emulation is the function of simulation monitoring system and the function and the man-machine interface of man-machine interface, for the student provides a virtual supervisory system.
Transformer station partly adopts the component technology towards physical equipment; For the various secondary devices in the transformer station are developed to one by one independently, reusable emulation component; Emulation component is assembled into complete substation simulation application system; Its structure is succinct more, be easy to adjustment, and exploitation is more prone to, and quality is more guaranteed.These The Application of Technology have improved the efficient and the quality of system development greatly, and the system that also makes is easy to revise, upgrades and safeguards simultaneously.
In the simulation run support system; The grid simulation system can provide correct flow data and protection action message for substation simulation; And reflect between each transformer station and to interact and to influence each other that grid simulation is also being undertaken the task that time of whole simulation system advances simultaneously.In the electric network composition of grid simulation forms; Be the basis with Fujian Province's rack; Make the emulation electrical network have and the true similar operating condition of electrical network, data such as systematic parameter, voltage, frequency, trend meet on-the-spot actual fully, thereby have guaranteed the accuracy and the authenticity of grid simulation.In the modeling and method of grid simulation, set up the dynamic mathematical models of each element of electric system, adopt transient state, mid-term, the integrated computing method of growth process, realize dynamic similation to electrical network.In the emulation of relay protection and aut.eq., adopt the definite value method of emulation to carry out the simulation of relay protection and aut.eq., realize the real-time cooperation of the whole network protection and aut.eq..
In order to guarantee the authenticity of whole substation simulation system emulation, need to set up and the true similar emulation electrical network of electrical network.In the emulation electrical network, be prototype with Fujian Province's electrical network, forming the 500kV electric pressure is main ring-like electrical network; With the 220kV electric pressure is the radial pattern power distribution network of assisting; The transformer station and the actual basically identical of wherein simulating in detail, the enlarging of looking ahead, the different typical wiring modes of transformer station in the comprehensive true electrical network of the mode of connection of other each transformer station; The operating condition of electrical network is considered the different running method of true electrical network too; And according to the ruuning situation of electrical network, choose suitable network parameter, data fit such as the voltage of assurance emulation electrical network, frequency, trend are on-the-spot actual.
The authenticity of grid simulation depends on the accuracy of model that each element adopts in the electrical network; For the trend that can reproduce electrical network under various operations, the unusual and even failure condition truly distributes and dynamic process, selected element dynamic model must have enough precision.On the other hand, grid simulation must satisfy the requirement of real-time again, to various operations or fault real-time response fast should be arranged, and this requires again not influence under the prerequisite of simulation accuracy in assurance, and the dynamic model of element is done suitable simplification.
The TS2000 system is in order to let the dynamic perfromance of each element in the student understanding system more all sidedly; Simultaneously also for the ease of using and studying; To each element set up multiple differing complexity dynamic model, can select arbitrarily and assembling automatically according to the concrete needs of emulation.
The simulation of relay protection and aut.eq. is a major function of grid simulation, and the general method that adopts has relatively two kinds of methods of logic determines and definite value.The logic determines method is quick, directly simple, and the definite value relative method is more accurate, and reliability is high, and adaptability is strong, but consuming time more.Native system adopts definite value comparison and the logic determines method that combines; For the complete Simulation Substation of definite value; The definite value relative method is adopted in protection based on electric parameters starts; Based on adopting the logic determines method, other transformer station that lacks definite value is adopted the logic determines method for the protection that is not suitable for definite value relative method (like the non-electric quantity protection).Owing to adopted advanced computing method in calculation of fault and dynamic calculation, improved computing velocity, native system definite value relative method can satisfy the requirement of real-time well.
Partial electric grid calculation of fault and be meant: protection action situation during for accurate simulated failure based on the protected field emulation technology of definite value comparison; When fault takes place, electrical network around the trouble spot being carried out the short circuit trend calculates; Obtain the voltage of each branch current and bus; Definite value with each protective device compares then, determines with this whether protection moves.This technology starts with pure logic to be compared, and has avoided complicated logic determines, has the advantages that the protection action is more accurate, phenomenon is truer, adaptivity is stronger, helps the raising of training quality.
Teacher system in teacher and the student system can be used for revising each database and picture; The startup of Control Training process, stop; Also people's system state or fault is set for a change in the may command training process can also generate teaching notes, operation simulation order and student management.
Under layered distribution type remote training pattern; Trainer's platform can realize that training center is to the long-range associating online training to each UHV (ultra-high voltage) company of each power administration, training center; The various places student can be under teacher's commander coordinated, operate or the accident treatment training.Trainer's platform can Control Training process startup, stop, people's system state or fault is set for a change at any time in training process, and can long-rangely obtain the training record form is made assessment to result of training according to this.
Every computing machine under the distributed network environment can move multiple emulation application, serves as different roles, shows different training interfaces.Role and group that the teacher can be provided with computing machine through the teacher system resolve into a plurality of training spaces to simulation running environment, and example of simulation system of each training space operation is independent mutually between the simulation example, does not disturb mutually; Simultaneously, the teacher can be according to the training needs, and the simulation example in the cutting training space is configured to different training patterns to simulation example.
The student system directly provides man-machine interactive interface.The student carries out normal running, accident treatment, abnormality processing etc. through man-machine interaction.Transformer station's student's seat provides the emulation man-machine interface of transformer station's main control room and primary equipment
" regulation and control one " simulation training system both had been different from grid simulation; Also be different from substation simulation; It is on the basis of dispatch automated system (EMS system); Increase or modification system configuration and software function; Realize integrated design, unified management and the maintenance of branch duty of scheduling, monitoring function, the running status of real-time reflection electrical network and transformer station in the regulator control system interface, the regulation and control analogue system has signal classification feature and emergency operation function; Can be Fujian Electric Power Network regulation and control center dispatcher, monitor, move the comprehensive training platform that personnel such as operated member grade provide skills training, examination and the associative simulation training and the anti-accident maneuver of gamut, overall process, whole audience scape.
The technical characterstic of technical scheme according to the invention is following:
(1) regulates and control the detailed emulation of integral system based on the detailed realistic model and the area power grid of transforming plant primary system, electrical secondary system; Gamut, the overall process of Fujian area power grid regulation and control one, the emulation of whole audience scape have been realized; Can regulation and control center dispatcher, monitor be moved operated member and carry out omnibearing training.Whole training system has very strong adaptability, can carry out the pattern training of single station, also can regulate and control model of integration training, satisfies on-the-spot operational management patterns of change and training requirement and changes.
(2) system has adopted based on definite value protected field emulation technology relatively.The relay protection model adopts the implementation identical with physical device; Promptly compare with preset setting valve by the calculation of short-circuit current result; Voltage, electric current and time definite value etc. are all by this realization; The decision action behavior, thereby can correctly reflect transformer station, complex automatic system and electrical network interaction, influence each other, improved the authenticity and the correctness of whole simulation training system.
(3) emulation support system adopts the simulation software development platform that can support interactive mode, distributing emulation system.It has combined the characteristics of grid simulation/substation simulation/comprehensive automation system of transformer substation emulation/regulation and control integral system emulation; Interoperability, distributivity and space-time consistency problem between the Simulation Application have been solved in interactive, the distributed emulation training system; Can satisfy the present and future development needs of simulation training system with in grid simulation, substation simulation, comprehensive automation system of transformer substation emulation, teacher and student's system integration to the comprehensive simulated environment.
(4) the simulation software support system adopts the bus type symmetric body architecture based on CEPRI-RTI; Have good scalability and extendibility; Adopt Distributed Storage and data filter technology; It is very little to take network traffics, can satisfy the LAN and the needs long-range and the layered distribution type simulation training system of various scales.
(5) analogue system is convenient to safeguard, revise, and has adopted the integrated technique of graphics system and realistic model; The model management system of emulation support programs adopts object-oriented visualized graphs modeling technique.
(6) for improving development of Simulation System speed; Developed three-dimensional scenic modeling based on the plug-in technology; Realize the seamless link of primary equipment modeling and commercial 3 d modeling software, formed novel, powerful three-dimensional scenic modeling.Modeling can utilize the power of business software to carry out three-dimensional graphical modelling, utilizes plug-in unit to realize the automatic binding of three-dimensional picture and power equipment data, have powerful, modeling efficiency is high, be simple and easy to the advantage of usefulness.
(7) adopt dynamically human machine interface technologies such as dynamic menu, dynamic icon and dynamic tool bar, realize the support of multiple monitoring system of electric substation man-machine interface and the integrated regulation and control of regulation and control center monitoring interface, guarantee the multiple adaptability of whole training system,
(8) some advanced electric system simulation technology have been developed; Realized the unified emulation of electrical power system transient and medium-term and long-term process; Improved the precision of electrical network and substation simulation; Not only can the stable state of display system after operation, and overall process that can the development of display system accident, make the trainee to accident have one comprehensively, understanding clearly.
(9) transformer station's first and second equipment adopts virtual reality technology to carry out three-dimensional reconstruction; Can in virtual scene, carry out equipment tour, inspection, roaming and pseudo operation; Can the dynamic reflection switch, the motion process of the connecting lever of deciliter process of equipment such as disconnecting link and GIS equipment, system is vivid, lively, true to nature.
(10) analogue system can be carried out the multiple skills training of power transformation operation specialty.Keep watch on, make an inspection tour and safeguard, switch operation, accident treatment, abnormality processing arranges that the training project of safety practice all can be carried out in this system.
Trainer's platform system has flexibly been developed in (11), has satisfied the demand of emulation machine room local training and long-range layer distributed remote training.The teacher can be resolved into a plurality of training spaces to simulation running environment, and simulation example of each training space operation is independent mutually between the simulation example, does not disturb mutually; The teacher can also be according to the training needs, and the simulation example in the cutting training space is configured to different training patterns to simulation example; Ability with the different simulation example parallel running of a plurality of training patterns under the network enabled environment; Whole operating process of the normal running that the student carries out on analogue system, accident treatment and abnormality processing are by the computer real-time record, and the teacher can assess student's operating process according to this record.
The ac and dc systems figure that arrives according to on-site collection of ac and dc systems in stand (12), the actual topological relation of simulation can extend to terminal box in detail, function such as realizes two circuitly switching, arranged side by side; Sky to important is opened, fuse carries out detailed emulation.
It is identical with prior art that the present invention does not state part.
Claims (1)
1. regional power grid is regulated and control the integrated computer analogue system; It is characterized in that; Comprise substation simulation system, integrated automation of transformation stations control analogue system, grid simulation system, electrical network SCADA scheduling simulation system, teacher and student system and simulation run support system; Substation simulation system, integrated automation of transformation stations control analogue system, grid simulation system, electrical network SCADA scheduling simulation system calculate and generate, store the numerical information of being simulated based on CPU and database separately; Teaching notes numerical information, operation simulation order numerical information and institute's administering digital information are calculated and generate, stored in teacher and student system based on CPU and database; It also includes teacher's computer operation terminal and student's computer operation terminal; Above-mentioned each numerical information through system separately respectively with generate based on central cpu and central database being connected of simulation run support system these information is passed to the simulation run support system; The substation simulation system is connected alternately with integrated automation of transformation stations control analogue system and calculation control generation interactive information passes to the simulation run support system alternately; The grid simulation system is connected with electrical network SCADA scheduling simulation system alternately and calculation control generation interactive information passes to the simulation run support system alternately; Above-mentioned each connection connects based on computer network; The teacher is provided with various running statuses and various fault numerical information through teacher's computer operation terminal with the numerical information simulation, and the various places student carries out coordinated operation and accident treatment training through student's computer operation terminal separately under teacher's commander.
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