CN103354055A - Simulating system for simulated training of electricity-consuming network operation - Google Patents
Simulating system for simulated training of electricity-consuming network operation Download PDFInfo
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Abstract
The invention relates to the technical field of power distribution automation and especially relates to a simulating system for simulated training of electricity-consuming network operation. The simulating system for simulated training of electricity-consuming network operation includes a hardware platform and a matched software system. The hardware platform includes an SCADA system platform, a front collecting module, a real-time service, a scheduling and managing module and a scheduling simulating panel. The software system includes a simulation software system, a simulation interactive software system and an embedded software system. Data collection and processing are realized through the SCADA platform. And an improved simulated training environment for simulated operation is generated. According to the invention, related functions of a prior simulating screen are utilized fully and the prior resources are utilized to capacity. Hardware pieces are added on a prior simulating screen system and a corresponding software system is developed. Switching between a simulating operation mode and a real-time operation mode can be realized and the display of simulating statuses can be refreshed automatically to be corresponding to real time statuses. The simulating system for simulated training of electricity-consuming network operation is comprehensive in simulation and stable and reliable in operation. Safety performance, robustness and expandability of the simulating system for simulated training of electricity-consuming network operation are enhanced and cost of investment is reduced. The simulating system for simulated training of electricity-consuming network operation is suitable for being promoted and applied in diversified environments.
Description
Technical field
The present invention relates to the Distribution Automation Technology field, especially power utilization network simulated operation and Training Simulation System.
Background technology
The imitation screen analogue system is the control system that a cover comprises computing machine and specialized hardware, it is by the mathematical model of simulated practical power systems, simulate the system condition after various scheduling operations and the fault, and these information are delivered in the model of Power System Control Centers, for the yardman provides a Training Environment true to nature, to reach the operation that neither affects practical power systems and the purpose of training the yardman, trained the yardman under normal condition functipnal capability and the quick-reaction capability (QRC) under the accident condition, also can be used as the instrument of analyzing operation of power networks.
Present known imitation screen analogue system mainly is comprised of major parts such as power monitor, front end processor, server, imitation screens, can power system environment that is virtually reality like reality, can realize that system's real-time condition display, system's real-time data acquisition, storage and minute phase separation are shown with regard to data and in the mode of chart and imitation screen, show the functions such as various warnings and prompting in the acousto-optic mode.The cost of this analogue system is high, needs easily investment up to a million, and its technical scheme is normally for power transmission network but not power utilization network is designed, and is not suitable for the simulated operation of factory's station power utilization network.
Summary of the invention
The objective of the invention is provides power utilization network simulated operation and Training Simulation System in order to overcome above-mentioned technical disadvantages.
The technical scheme that technical solution problem of the present invention adopts is: power utilization network simulated operation and Training Simulation System, comprise hardware platform and supporting software systems, described hardware platform comprises SCADA system platform, front-collection module, real-time server, scheduling and administration module and dispatching analog disk, described software systems comprise Simulation Software System, simulation interactive software systems and embedded software system, wherein:
Described SCADA system platform connects respectively front-collection module, real-time server, scheduling and administration module, dispatching analog disk, the SCADA system platform is used for data acquisition and data are processed, by the communication quality of front-collection module monitors telecontrol channel, realize power grid control by real-time server, scheduling and administration module.
The data acquisition project of SCADA system platform relates to:
1, analog acquisition comprises active power, reactive power, electric current, voltage, main transformer oil temperature, frequency, pressure etc.;
2, digital data acquisition comprises frequency collection, Pulse Electric tolerance etc.;
3, quantity of state collection comprises circuit-breaker status, disconnecting link position signalling, emergency stop valve trip resultant signal, anticipating signal, load tap changer position signalling, protection and aut.eq. actuating signal, channel failure information, sequence of events recording etc.;
4, pulsed quantity collection, the pulse value of collection site pulse electricity meter;
Simultaneously, the SCADA system platform is unified the clock of whole system by standard clock source, and the communication quality of system monitoring telecontrol channel is to the binary channels switching of arbitrating.
The data processing project of SCADA system platform relates to:
1, the processing of analog quantity comprises data is carried out validity checking; Calculating integral value, mean value, maximal value, minimum value; Calculate and add up all kinds of and always add, power factor, peak, paddy, electric weight when dividing equally.The data rear storage of finishing dealing with enters database, and the dynasty, further data were processed.
2, the processing of quantity of state comprises real-time description operation of power networks state, transformer substation switch state, disconnecting link state, main transformer tap joint position and protection actuating signal, anticipating signal; Send rapidly warning during state variation, the information storage after the processing enters database, the man-machine interface quantity of state; The print system quantity of state; The imitation screen quantity of state;
3, the processing of electric flux comprises the electric degree truth of a matter manually is set, and carries out the scale transformation of electricity; Electric weight in the computation period, and preserve in real time the pulse value in upper cycle; Set high and low, Pinggu load period, calculate super the owing of day part electric weight and use value, result of calculation enters real-time data base and historical data base;
4, the processing of protection information comprises reception ﹠ disposal protection switch quantity of state; Receive protection definite value information; Transmit, set and revise the protection definite value;
5, to the control of electrical network, comprise in real time isolating switch, neutral point of main transformer cutter added etc. and carry out breaking-closing operating; Regulate on-load transformer tap changer; The distant place switching of capacitor, reactor; Provide that reliable master-substation is checked, returned to school, the anti-operation measures such as item audit and operation login; Finish acceptance, transmission and the modification of factory's station synthetic automatic device protection definite value; The detail record operating process, file for future examination.
Switch indicator and real-time simulation server are installed on the described dispatching analog disk, the real-time simulation server connects the simulation interactive module, trigger-type acquisition hardware, freeze mode acquisition hardware and 630 system hardwares are installed in configuration in the real-time simulation server, and integrated bus indicator, line drop and positioning indicator, be used for configuration integrate analogue simulation running environment;
Human-computer interaction module is supported figure demonstration, graphics edition, print system and warning system, wherein,
Figure shows and comprises:
1, figure can be roamed, zoom, rolling and arbitrarily mobile;
2, figure has high resolution, fast and the demonstration of not shaking;
3, possess multi-windowing;
4, the full graphics interface, directly mouse is controlled few keyboard operation of trying one's best alternately fast;
5, figure comprises multiple wiring diagram, arrangement plan, system condition figure, tidal current chart, curved bar figure, pie chart, geographic map, all kinds of form, definite value parameter list etc.;
6, the Chinese Graphic interface has various ways to call picture;
7, consist of picture and need not program language, adapt to different operating system;
8, the yardman wants can be at the enterprising line operate of primary connection figure, wherein set, list, the operation such as hanging earthing conductor should meet the yardman and be accustomed to.
Graphics edition comprises:
1, support multihead display.System software should be supported every workstation band 1-4 platform full-graphics display, and every display can independently be processed various charts and window information in real time;
2, support graph layering to show and multistage amplification.The support graph layering shows, manages in combination planimetric map, adjustable aobvious any one or more power network line figure, and support multistage amplification, single job to All Layers simultaneously effectively all can focus on, roam each planimetric map; It is aobvious to support hierarchical layered to transfer, and as being shown to the electrical network network chart again to factory's level of standing from geographical network figure layering, arrive at last the feeder line level, and ruuning situation that can layering understanding electrical network all can focus on, roam each planimetric map; Should be able to support the right mouse button menu function, transfer at any time the aobvious any picture relevant with current picture; Real time data can be selected how to show according to condition in planimetric map;
3, support graphical association and application.Have animation, dynamic coloring function; The different pieces of information that can show simultaneously at least 4 kinds of colors among the figure such as curve map, rod figure, pie chart; The display mode of curve map can be by user's self-defining, and supports forward and reverse demonstration of power; The graphical window of multi-screen wants to realize the splicing use.
Print system comprises:
1, print starting can start by set date, manually start and event-driven;
2, timed print comprises integral point record, daily sheet, month form, year form etc., and printing interval can be set;
3, the exportable telemechanical state of event-driven, remote measurement is out-of-limit, straighforward operation, the record that records, relieves, system equipment fault, remote signalling displacement, logout, emergency review etc.;
4, manually start can call to start and print above various forms, can carry out the online hard copy of screen graph, during various printing, do not affect other function of system and carry out.
Warning system comprises:
1, various warnings can define flexibly, and warning message is by data base administration, and can retrieve and process;
2, provide the various forms such as figure, literal, voice, printing to report to the police;
3, can carry out data off-limit alarm, quantity of state variation warning, accident alarming and condition alarm;
4, during accident, automatically release accident factory station picture.When many factories station has an accident simultaneously, release the factory's station picture that has an accident at first, and at screen prompting other accident factory station.
The SCADA system platform also needs to possess necessary counting statistics function and the support that provides database.
Wherein, the counting statistics function should possess:
1, the computing formula definition is convenient, multiple functional;
2, always finish add, add up, the calculating such as mean value, qualification rate, line loss, rate of load condensate, operation ratio, power factor, integration;
3, can finish the statistics of switch, protection action frequency, passage switching statistics, passage Bit Error Code Statistics, number of times and the relevant quantitative statistics of operating a switch of rationing the power supply of safe days statistics, the maximum of various data, minimum value, and the statistics of time of occurrence, each electric pressure;
4, can finish the statistics of the electric parameter qualification rate such as frequency, voltage in electrical network monitoring point, statistical time range can be specified arbitrarily by the user, and can automatically carry out the statistics of qualification rate by the period of prior agreement, and the time hop count that can divide every day is no less than 5.The quantity in monitoring point should arbitrarily increase and decrease, and is unrestricted.
Support to database comprises:
1, data base administration.The Concurrency Access of data base management system (DBMS) supporting database, each node real-time data table automatic synchronization in the net; Should possess during the system failure database recovery and restart facility, the access of database section and restore funcitons are arranged; Flexibly database engine, browser and other instruments are provided; Reserve the user program interface, directly accessing database; Support SQL standard and ODBC interfacing, support the graphical modeling function, all electrical network parameter typing work can once be finished in the graphics edition process;
2, descriptive data base.Electrical network component representation table; The RTU device context; System's computing, operation description list; Historical data deposit description list; Grid equipment parametric description table;
3, real-time data base.The real-time data base memory-resident guarantees system response time; Employing is towards the detailed description mode of power system device structure, press that name is quoted but not by factory, point, number quote; Real-time data base can be preserved polytype points such as analog quantity, digital quantity, pulsed quantity, calculated amount, quantity of state, observer output; Can generate online, revise, inquire about real-time data base; But real time data human-edited, shielding and setting;
4, historical data base.Adopt comparatively popular commercial data base; Employing is towards the detailed description mode of power system device, press that name is quoted but not by factory, point, number quote; Historical data base is saved on the hard disk automatically, but also unloading long term archival, and the file historical data can be returned the dress analyzing and processing; Historical data base is supported the WEB issue; The function such as statistics, processing, inquiry, calculating of historical data is provided; Can select the sampling period of each point in the real-time data base, form the formation of all kinds of curves etc. to realize report data.
In addition, SCADA system platform of the present invention also must possess security system and communication system.
The security system content comprises:
1, all Systems Operators (system manager, system maintenance person, yardman etc.) need be endowed different range of managements and operating right according to it, and its feature is by differences such as user name, password, operation rank, opereating specifications;
2, for guaranteeing security of system, enter (withdrawing from) system and must input correct password.In system, the behaviors such as reading and writing, maintenance, execution according to the control of authority operating personnel of login prevent that unauthorized operation from causing system destruction;
3, straighforward operation power only is limited to the despatching work station, and each scheduling operation person on duty has password control, and the password verification of carrying out when carrying out straighforward operation must not be carried out straighforward operation to guarantee unrelated person;
4, all logins and change password, authority and important operation can both record for future reference on time;
5, under the abnormal conditions such as unauthorized operation, misoperation, network failure, printer fault, system provides correct prompting, and should not crash.
The communication system content comprises:
1, have the ability with multiple analog screen interface;
2, finish the forwarding to the different stipulations of the superior and the subordinate's dispatching system, data;
3, support the multiple network agreement, interconnected by the network equipment and other system (such as the MIS of office net, Electric Energy Telemetering System etc.), realize data sharing;
4, can by X.25 or the agreement such as TCP/IP interconnected with other wide area network (transferring Real-time Network etc. such as CEDNET, city);
5, support online remote diagnostic, access function.
Described Simulation Software System comprises that network topology software package, switch interlock software package, mother are hauled oneself willingly into software package, recovery send electric software package and earthing to detect software package certainly;
Network topology principle and implementation method: the foundation by the network topology logical model is carried out the compound logic computing to the charged state of each related switch amount, draws the charged state of every one-level circuit, and charged state is shown on the corresponding YX lamp of mimic panel.
Switch interlock principle and implementation method: for mother and service entrance switch, 3 can not be all closed, otherwise can form the electrical network cyclization, based on this, system increases logic and judges, judge by assigning to whether other 2 switches that are associated closed at any switch that interlocking is set when closing, as other two switches oneself through closure then this closed procedure miss operation and phonic warning.
Mother automatic switching principle: after a side bus decompression, the service entrance switch tripping of associated bus section, the bus connection switch auto-closing send electric purpose thereby reach automatic recovery immediately.
Automatically recover to send electric principle: send electric switches set for automatic recovery is set, respective switch automatically switches to preset state when dispatch from foreign news agency is recovered.
Switch and grounding switch interlocking principle: when switch closure, earthing can not be closed, and when earthing was closed, switch was forbidden closure equally.
Wherein,
The network topology software package:
1, based on the logic software bag of SCADA platform;
2, in real time each node point in the circuit is carried out logical operation;
3, execution cycle 1S;
4, the operation result real-time update;
5, operation result all stores in the YX calculated amount;
6, real-time status can latch.
The switch interlock software package:
1, realize the real-time operation of switch room interlocked relationship;
2, the operation result real-time update is in the YX storehouse;
3, voice suggestion;
4, for user's maloperation from Recovery processing
Mother is hauled oneself willingly into software package:
1, realize that the mother self-locking concerns real-time operation;
2, the operation result real-time update is in the YX storehouse;
3, voice suggestion;
4, for user's maloperation from Recovery processing
From recovering to send electric software package:
1, realize from recovering to send electricity to concern real-time operation;
2, with switch interlock as the prerequisite foundation;
3, the operation result real-time update is in the YX storehouse;
4, voice suggestion;
5, for user's maloperation from Recovery processing.
Earthing detects software package:
1, be grounded cutter and on off state real-time operation;
2, with switch interlock as the prerequisite foundation;
3, the operation result real-time update is in the YX storehouse;
4, voice suggestion;
5, for user's maloperation from Recovery processing
Described front-collection module connects respectively low pressure harvester, high pressure harvester, multifunctional meter and standard scale by RTU system interface, versatile interface, realization is to the collection of analog quantity, digital quantity, quantity of state, pulsed quantity, and realizes data retransmission by gps system.
The flip-over type controller that described trigger-type acquisition hardware is integrated embedded software systems is provided with trigger switch on the flip-over type controller, and the flip-over type controller is preferably RS232 and RS485 standard, a scalable network interface or various ways wave point.Hardware components is finished the switch acquisition of real time data, the data retransmission function.The Hardware I/O interface adopts light-coupled isolation, and is withstand voltage greater than 3000V; Adopt the anti-shake simultaneously operation of the anti-shake algorithm of software and hardware; Send out time-delay on the data and latch, carry out data greater than delay time and abandon; Communication protocol is with reference to electric power DL-1801 and industrial MODBUS protocol form.
The maintenance controller that described freeze mode acquisition hardware is integrated embedded software systems is provided with maintained switch on the maintenance controller, and the maintenance controller is preferably RS232 and RS485 standard, the countless interfaces of a scalable network interface or various ways.Hardware components is finished the switch acquisition of real time data, the data retransmission function; The Hardware I/O interface adopts light-coupled isolation, and is withstand voltage greater than 3000V; Adopt the anti-shake simultaneously operation of the anti-shake algorithm of software and hardware; Send out time-delay on the data and latch, carry out data greater than delay time and abandon; Communication protocol is with reference to electric power DL-1801 and industrial MODBUS protocol form.
Described 630 system hardwares are 630 type controllers of integrated embedded software systems, are provided with 630 driving switch on 630 type controllers, and 630 type controllers are preferably RS232 and RS485 standard, a scalable network interface or various ways wave point.Hardware components is finished the switch acquisition of real time data, the data retransmission function; The Hardware I/O interface adopts light-coupled isolation, and is withstand voltage greater than 3000V; Adopt the anti-shake simultaneously operation of the anti-shake algorithm of software and hardware; Send out time-delay on the data and latch, carry out data greater than delay time and abandon; Communication protocol is with reference to electric power DL-1801 and industrial MODBUS protocol form.
Described simulation interactive software systems comprise that simulated library generates software package, the operation storehouse generates software package and simulated operation software package.
Wherein,
Simulated library generates software package: be responsible for generating simulation status storehouse, operation storehouse and library file is managed;
Simulated operation software package: carry out alternately, carry out simulated operation management, voice prompt operation result with the SCADA interface and carry out miscue; Automatically finish minute Data-Statistics and judgement.
The beneficial effect that the present invention has is: the present invention takes full advantage of the correlation function of former imitation screen, utilize to greatest extent original resource, increase part hardware at former simulation screen system, and develop corresponding software systems, can under dry run and two kinds of patterns of real time execution, switch, automatically the demonstration that refreshes emulation mode is corresponding with real-time status, emulation is comprehensive, stable and reliable operation, Security of the system, robustness and extensibility have been strengthened, reduced cost of investment, be suitable for applying under the multiple environment.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
1 couple of the present invention does following detailed description below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention includes hardware platform and supporting software systems, described hardware platform comprises SCADA system platform 1, front-collection module 2, real-time server 3, scheduling and administration module 6 and dispatching analog disk 9, described software systems comprise Simulation Software System, simulation interactive software systems and embedded software system, wherein:
Described SCADA system platform 1 connects respectively front-collection module 2, real-time server 3, scheduling and administration module 6, dispatching analog disk 9, SCADA system platform 1 is used for data acquisition and data are processed, by the communication quality of front-collection module 2 supervision telecontrol channels, realize power grid control by real-time server 9, scheduling and administration module 6;
Described Simulation Software System comprises that network topology software package, switch interlock software package, mother are hauled oneself willingly into software package, recovery send electric software package and earthing to detect software package certainly; Described simulation interactive software systems comprise that simulated library generates software package, the operation storehouse generates software package and simulated operation software package.
Described front-collection module connects respectively low pressure harvester 23, high pressure harvester 24, multifunctional meter 25 and standard scale 26 by RTU system interface 21, versatile interface 22, realization is to the collection of analog quantity, digital quantity, quantity of state, pulsed quantity, and realizes data retransmission by gps system.
The flip-over type controller 41 that described trigger-type acquisition hardware is integrated embedded software systems is provided with trigger switch 47 on the flip-over type controller 41; The maintenance controller 42 that described freeze mode acquisition hardware is integrated embedded software systems, maintenance are controlled and are provided with maintained switch 48 on 42 devices; Described 630 system hardwares are to be provided with 630 driving switch 48 on 630 type controllers, 46,630 type controllers of integrated embedded software systems.
Claims (5)
1. power utilization network simulated operation and Training Simulation System, comprise hardware platform and supporting software systems, it is characterized in that: described hardware platform comprises SCADA system platform, front-collection module, real-time server, scheduling and administration module and dispatching analog disk, described software systems comprise Simulation Software System, simulation interactive software systems and embedded software system, wherein:
Described SCADA system platform connects respectively front-collection module, real-time server, scheduling and administration module, dispatching analog disk, the SCADA system platform is used for data acquisition and data are processed, by the communication quality of front-collection module monitors telecontrol channel, realize power grid control by real-time server, scheduling and administration module;
Switch indicator and real-time simulation server are installed on the described dispatching analog disk, the real-time simulation server connects the simulation interactive module, trigger-type acquisition hardware, freeze mode acquisition hardware and 630 system hardwares are installed in configuration in the real-time simulation server, and integrated bus indicator, line drop and positioning indicator, be used for configuration integrate analogue simulation running environment;
Described Simulation Software System comprises that network topology software package, switch interlock software package, mother are hauled oneself willingly into software package, recovery send electric software package and earthing to detect software package certainly;
Described simulation interactive software systems comprise that simulated library generates software package, the operation storehouse generates software package and simulated operation software package.
2. power utilization network simulated operation according to claim 1 and Training Simulation System, it is characterized in that: described front-collection module connects respectively low pressure harvester, high pressure harvester, multifunctional meter and standard scale by RTU system interface, versatile interface, realization is to the collection of analog quantity, digital quantity, quantity of state, pulsed quantity, and realizes data retransmission by gps system.
3. power utilization network simulated operation according to claim 1 and Training Simulation System, it is characterized in that: the flip-over type controller that described trigger-type acquisition hardware is integrated embedded software systems is provided with trigger switch on the flip-over type controller.
4. power utilization network simulated operation according to claim 1 and Training Simulation System, it is characterized in that: the maintenance controller that described freeze mode acquisition hardware is integrated embedded software systems is provided with maintained switch on the maintenance controller.
5. power utilization network simulated operation according to claim 1 and Training Simulation System, it is characterized in that: described 630 system hardwares are 630 type controllers of integrated embedded software systems, are provided with 630 driving switch on 630 type controllers.
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