CN102663912B - 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
Regional power grid comprises transformer station and power transmission electric network, transformer station and power transmission electric network independent control respectively in prior art, on controlling, there is no between the two too many alternately, wherein transformer station is monitored by monitor, and power transmission electric network is dispatched by yardman, in order to train monitor, be provided with supervisory control of substation analogue system, same, in order to train yardman, be provided with power transmission electric network scheduling simulation system, these analogue systems are not independently carried out any mutual separately yet.But the independent regulation and control separately of above-mentioned transformer station and power transmission electric network can not meet the regulation and control demand of modern large electrical network, its accident treatment efficiency and regular job efficiency can not satisfy the demands, if and the transformer station in region and power transmission electric network composition one is regulated and controled, exist again yardman to be unfamiliar with transformer station, monitor is to the unfamiliar problem of power transmission electric network.
invention forms
The object of the invention is to overcome weak point of the prior art, and provide a kind of can simulating area electrical network in operation conditions, operation information and the transformer station of transformer station and the power transmission electric network health information after mutual with power transmission electric network, and can simulated failure and the regional power grid of simulating one regulation and control regulate and control integrated computer analogue system.
The object of the invention is to realize by following approach.
Regional power grid regulation and control integrated computer analogue system, its composition main points are, comprise substation simulation system, integrated automation of transformation stations control analogue system, Power System Simulator, electrical network SCADA scheduling simulation system, teacher and student's system and run time infrastructure system, substation simulation system, integrated automation of transformation stations control analogue system, Power System Simulator, electrical network SCADA scheduling simulation system calculates and generates based on CPU and database separately, the numerical information that storage is simulated, teacher and student's system are calculated and are generated based on CPU and database, storage teaching notes numerical information, operation simulation order numerical information and institute's administering digital information etc., it also includes teacher's computer operation terminal and student's computer operation terminal, above-mentioned each numerical information by system separately respectively with generate based on central cpu and central database being connected of run time infrastructure system these information is passed to run time infrastructure system, substation simulation system be connected alternately with integrated automation of transformation stations control analogue system and calculate control generate interactive information pass to alternately run time infrastructure system, Power System Simulator be connected alternately with electrical network SCADA scheduling simulation system and calculate control generate interactive information pass to alternately run time infrastructure system, above-mentioned each connection connects based on computer network, teacher arranges various running statuses and various fault numerical information by teacher's computer operation terminal with numerical information simulation, various places student carries out coordinated operation and accident treatment training by student's computer operation terminal separately under teacher's commander.
In above-mentioned each system, substation simulation system and Power System Simulator are device emulation systems, 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 run time infrastructure system mutual, device emulation digital model and the mutual of operation control system simulated digital model separately and institute calculates the interactive information of generation and run time infrastructure system alternately, realize the gamut within the scope of regional power grid, overall process, the emulation of whole scene, on this basis, based on computer network system and computer operation terminal, can be to regulation and control center dispatcher, monitor, move operated member and carry out the training of comprehensive regulation and control one, both can carry out list station pattern drill, also can regulate and control model of integration training, meeting on-the-spot operation and management mode variation and training requirement changes.This is the advantage that the present invention is different from prior art.
Brief description of the drawings
Accompanying drawing is 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 to 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, Power System Simulator, electrical network SCADA scheduling simulation system, teacher and student's system and run time infrastructure system, substation simulation system, integrated automation of transformation stations control analogue system, Power System Simulator, electrical network SCADA scheduling simulation system calculates and generates based on CPU and database separately, the numerical information that storage is simulated, teacher and student's system are calculated and are generated based on CPU and database, storage teaching notes numerical information, operation simulation order numerical information and institute's administering digital information etc., it also includes teacher's computer operation terminal and student's computer operation terminal, above-mentioned each numerical information by system separately respectively with generate based on central cpu and central database being connected of run time infrastructure system these information is passed to run time infrastructure system, substation simulation system be connected alternately with integrated automation of transformation stations control analogue system and calculate control generate interactive information pass to alternately run time infrastructure system, Power System Simulator be connected alternately with electrical network SCADA scheduling simulation system and calculate control generate interactive information pass to alternately run time infrastructure system, above-mentioned each connection connects based on computer network, teacher arranges various running statuses and various fault numerical information by teacher's computer operation terminal with numerical information simulation, various places student carries out coordinated operation and accident treatment training by student's computer operation terminal separately under teacher's commander.
In run time infrastructure system, include mutual connection communication and calculate Database Systems, software support system and the application software controlled, wherein:
The mode that Database Systems adopt commercial relational database to combine with real-time data base, had both ensured the real-time responsiveness of data access, data processing can meet again standard and opening to external system interface.Commercial data base adopts widely used relational database system on our times, and user can be free according to actual conditions.
Software support system adopts the Development of Simulation Software platform that can support interactive mode, distributing emulation system, interoperability and the expandability problem of distributed emulation training system are solved, grid simulation, substation simulation can be integrated in a comprehensive simulated environment, meet the needs of emulation training.In addition on software configuration, simulation software support system adopts bus type symmetric body architecture, there is good scalability and extendibility, by in grid simulation, substation simulation and integrated automation of transformation stations backstage Integration of Simulation to comprehensive simulated environment, the needs that can meet various scale electrical network multi-stage combination simulation training systems, can regulate and control integrated monitoring person and operator's training.
For taking into full account convenience and maintainability, raising system development speed and the ratio of performance to price of use, electrical network part adopts the integrated technique of figure, database and realistic model, for data typing provides intuitively, patterned input tool, automatically generate power network topology parameter, multiple effective measures in system, are also taked, ensure that data are correctly reliable, reach once input, the object that the overall situation is shared.
In application software by transformer station's three-dimensional scenic emulation, grid simulation, monitoring system of electric substation emulation, being combined into one of substation simulation system, realize the three-dimensional gamut emulation training of transformer station, can correctly reflect interaction, interactional relation between electrical network, monitoring system of electric substation and transformer station, improve consistance and the authenticity of whole simulation training system.
The communication of each computing machine in 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, fully demonstrate the opening of system, to reach the interconnection of open system, (computing machine of the above-mentioned standard of any use and communication protocol will be very easily, interconnect with native system easily, realize message exchange), therefore system can meet the requirement of reliability and expandability.
In substation simulation system, in first and second device emulation and first and second equipment-patrolling system of transformer station, adopt the virtual reality technology based on OpenGL, develop transformer station's first and second equipment three-dimensional interactive virtual scene system, realize the three-dimensional reconstruction of transformer station's first and second equipment, normal, abnormal, accident condition and the course of action thereof of equipment are reflected visually, not only can be to the equipment-patrolling in virtual scene, inspection, roaming, and can carry out pseudo operation, improve the sense of reality, the presence of system.Monitoring system of electric substation emulation is the function of simulated monitoring system and the function of man-machine interface and man-machine interface, for student provides a virtual supervisory system.
Transformer station's part adopts the component technology towards physical equipment, for the various secondary devices in 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 more succinct, be easy to adjust, exploitation is more prone to, and quality is more guaranteed.The application of these technology has improved efficiency and the quality of system development greatly, also makes system be easy to amendment, upgrading and safeguard simultaneously.
In run time infrastructure system; Power System Simulator 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, grid simulation is also being undertaken the task that time of whole analogue system advances simultaneously.In the electric network composition of grid simulation forms, taking Fujian Province's rack as basis, make emulation electrical network have the operating condition similar to true electrical network, the data such as systematic parameter, voltage, frequency, trend meet on-the-spot actual completely, thereby have ensured accuracy and the authenticity of grid simulation.In the modeling and method of grid simulation, set up the dynamic mathematical models of the each element of electric system, adopt transient state, mid-term, the integrated computing method of growth process, realize the dynamic similation to electrical network.In the emulation of relay protection and aut.eq., adopt the method for setting simulation 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 ensure the authenticity of whole substation simulation system emulation, need to set up the emulation electrical network similar to true electrical network.In emulation electrical network, taking Fujian Province's electrical network as prototype, forming 500kV electric pressure is main ring-like electrical network, taking 220kV electric pressure as auxiliary radial pattern power distribution network, wherein the transformer station of simulation is basically identical with reality 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, ensure the voltage of emulation electrical network, frequency, the data fit such as trend are on-the-spot actual.
The authenticity of grid simulation depends on the accuracy of model that each element adopts in electrical network, for the trend that can reproduce truly electrical network under various operations, abnormal and even failure condition distributes and dynamic process, selected element dynamic model must have enough precision.On the other hand, grid simulation must meet again the requirement of real-time, should have real-time response fast to various operations or fault, and this requires again not affect under the prerequisite of simulation accuracy in guarantee, and the dynamic model of element is done to suitable simplification.
TS2000 system is in order to allow the dynamic perfromance of each element in student's understanding system more all sidedly, simultaneously also for the ease of carrying out application and research, to each element set up multiple differing complexity dynamic model, can select arbitrarily and automatic Composition 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 adopting has relatively two kinds of methods of logic judgement and definite value.Logic determining method fast, simply direct, definite value relative method is more accurate, reliability is high, strong adaptability, but consuming time more.Native system adopts definite value comparison and logic to judge the method that combines; for the complete Simulation Substation of definite value; the protection starting based on electric parameters adopts definite value relative method; based on adopting logic determining method for the protection that is not suitable for definite value relative method (as non-electric quantity protection), other transformer station that lacks definite value is adopted to logic determining method.Owing to having adopted advanced computing method in calculation of fault and dynamic calculation, improve computing velocity, native system definite value relative method can meet the requirement of real-time well.
Partial electric grid calculation of fault and the protected field emulation technology based on definite value comparison refer to: during for accurate simulated failure, protect action situation; in the time that fault occurs to trouble spot around electrical network carry out the calculating of short circuit trend; obtain the voltage of each branch current and bus; then compare with the definite value of each protective device, determine with this whether protection moves.Compared with this technology starts with pure logic, avoid complicated logic judgement, had the advantages that protection action is more accurate, phenomenon is truer, adaptivity is stronger, be conducive to the raising of training quality.
Teacher System in teacher and student's system can be used for revising each database and picture, control training process startup, stop, also for a change system state or fault is set of people can be controlled in training process, teaching notes can also be generated, operation simulation order and student management.
Under layered distribution type remote training pattern, instructor station can be realized training center's long-range associating online training to each UHV (ultra-high voltage) company to each power administration, training center, various places student can be under teacher's commander coordinated, operate or accident treatment training.Instructor station can control training process startup, stop, for a change system state or fault is set of people at any time in training process, and can Remote Acquisitioning training record form, makes assessment to result of training according to this.
Every computing machine under distributed network environment can move multiple emulation application, serves as different roles, shows different training interfaces.Role and group that teacher can arrange by Teacher System computing machine, resolve into multiple training spaces simulation running environment, and an example of simulation system of each training space operation is independent mutually between simulation example, does not interfere with each other; Meanwhile, teacher can be according to training needs, and the simulation example in cutting training space, is configured to different training patterns simulation example.
Student's system directly provides man-machine interactive interface.Student carries out normal running, accident treatment, abnormality processing etc. by 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 had both been different from grid simulation, also be different from substation simulation, it is on the basis of dispatch automated system (EMS system), increase or amendment system configuration and software function, realize scheduling, the integrated design of monitoring function, unified management and a point duty are safeguarded, in regulator control system interface, reflect in real time the running status of electrical network and transformer station, 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 personnel such as operated member gamut is provided, overall process, the skills training of whole scene, the comprehensive training platform of examination and associative simulation training and anti-accident maneuver.
The technical characterstic of technical scheme of the present invention is as follows:
(1) the detailed realistic model based on transforming plant primary system, electrical secondary system and the detailed emulation of area power grid regulation and control integral system, gamut, the overall process of In Fujian Province electrical network regulation and control one, the emulation of whole scene are realized, can be to regulation and control center dispatcher, monitor, move 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, meets on-the-spot operation and management mode variation and training requirement and changes.
(2) system has adopted the protected field emulation technology based on definite value comparison.Relay protection model adopts the implementation identical with physical device; compared by calculation of short-circuit current result and default setting valve; voltage, electric current and time definite value etc. are all by this realization; determine action behavior; thereby can correctly reflect transformer station, complex automatic system and electrical network interaction, influence each other, improved authenticity and the correctness of whole simulation training system.
(3) emulation support system adopts the Development of Simulation Software platform that can support interactive mode, distributing emulation system.It combines the feature 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 Simulation Application are solved in interactive, distributed emulation training system, can be by grid simulation, substation simulation, comprehensive automation system of transformer substation emulation, teacher and student's system integration to comprehensive simulated environment, meet the current and future development needs of simulation training system.
(4) simulation software support system adopts the bus type symmetric body architecture based on CEPRI-RTI, there is good scalability and extendibility, adopt Distributed Storage and data filtering technology, take network traffics very little, can meet LAN (Local Area Network) and the needs long-range and 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 Visual graphical modeling technology.
(6) for improving the tempo of development of analogue system, develop the three-dimensional scenic modeling based on 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 advantages of powerful, modeling efficiency is high, be simple and easy to use.
(7) adopt the dynamically human machine interface technologies such as dynamic menu, dynamic icon and Dynamic Toolbar, realize the support of multiple monitoring system of electric substation man-machine interface and regulation and control integrated regulation and control center monitoring interface, ensure the multiple adaptability of whole training system,
(8) some advanced Simulating technique in Electric Power Systems have been developed, realize the unified emulation of electrical power system transient and medium-term and long-term process, improve the precision of electrical network and substation simulation, not only can the stable state of display system after operation, and can display system accident the overall process of development, make 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-patrolling, inspection, roaming and pseudo operation, can dynamic reflection switch, the motion process of deciliter process of equipment such as disconnecting link and the connecting lever of GIS equipment, system image, lively, true to nature.
(10) analogue system can be carried out the multiple skills training of power transformation operation specialty.Monitor, 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.
(11) have developed instructor station system flexibly, have met the demand of emulation machine room local training and long-range layer distributed remote training.Teacher can be resolved into multiple training spaces simulation running environment, and a simulation example of each training space operation is independent mutually between simulation example, does not interfere with each other; Teacher can also be according to training needs, and the simulation example in cutting training space, is configured to different training patterns simulation example; There is the ability of the different simulation example parallel running of multiple training patterns under network enabled environment; The all operations were process of normal running, accident treatment and abnormality processing that student carries out in analogue system is by computing machine real time record, and teacher can assess student's operating process according to this record.
(12) stand in the ac and dc systems figure that arrives according to on-site collection of ac and dc systems, simulate in detail actual topological relation, can extend to terminal box, realize and the function such as two circuitly switch, arranged side by side; To important sky open, fuse carries out detailed emulation.
It is same as the prior art that the present invention does not state part.
Claims (1)
1. regional power grid regulation and control integrated computer analogue system, it is characterized in that, comprise substation simulation system, integrated automation of transformation stations control analogue system, Power System Simulator, electrical network SCADA scheduling simulation system, teacher and student's system and run time infrastructure system, substation simulation system, integrated automation of transformation stations control analogue system, Power System Simulator, electrical network SCADA scheduling simulation system calculates and generates based on CPU and database separately, the numerical information that storage is simulated, teacher and student's system are calculated and are generated based on CPU and database, storage teaching notes numerical information, operation simulation order numerical information and institute's administering digital information, it also includes teacher's computer operation terminal and student's computer operation terminal, above-mentioned each numerical information by system separately respectively with the run time infrastructure system that passes to that is connected of the run time infrastructure system generating based on central cpu and central database, substation simulation system be connected alternately with integrated automation of transformation stations control analogue system and calculate control generate interactive information pass to alternately run time infrastructure system, Power System Simulator be connected alternately with electrical network SCADA scheduling simulation system and calculate control generate interactive information pass to alternately run time infrastructure system, above-mentioned each connection connects based on computer network, teacher arranges various running statuses and various fault numerical information by teacher's computer operation terminal with numerical information simulation, various places student carries out coordinated operation and accident treatment training by student's computer operation terminal separately under teacher's commander.
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