CN204576919U - Alternating current-direct current power grid operating characteristic display equipment based on RTDS real-time digital simulation - Google Patents
Alternating current-direct current power grid operating characteristic display equipment based on RTDS real-time digital simulation Download PDFInfo
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Abstract
The alternating current-direct current power grid operating characteristic display equipment based on RTDS real-time digital simulation is provided with a simulation workstation for establishing an alternating current-direct current power grid model, a real-time digital simulator, a protocol conversion card, a switch and a power grid characteristic display device; the real-time digital simulator outputs analog quantity and digital quantity to the power grid characteristic display device through the protocol conversion card and the switch, and the power grid characteristic display device returns an operation control command to the real-time digital simulator through the switch and the protocol conversion card. The power grid characteristic display device is provided with a transient database, a variable database, a search matching unit and a playback display unit. The utility model discloses can realize the show directly perceived of electric network operating characteristic such as stable state data and transient state data, the dependable performance, simple and practical.
Description
Technical field
The utility model relates to alterating and direct current network technology field, particularly a kind of alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation.
Background technology
Along with the widespread use of the high-power electric and electronic technology such as high voltage direct current, series compensation, SVC, STATCOM, and the progressively popularization of the clean energy resource such as wind-power electricity generation, energy storage, the operation characteristic of electrical network becomes more complicated, the alternating current-direct current power grid accident that may occur also will be more various, and in net, the recovery of control characteristic to accident of large-sized unit, Large Copacity high voltage direct current and FACTS device is most important.
Iarge-scale system safety and stability outstanding problem is also more and more higher to the requirement of dispatcher, operation and maintenance personnel specialty quality and operating experience.Traditional static security analysis method, dynamic power flow algorithm, electromechanical transient simulation, dispatcher training system DTS can not reflect the fast-changing electromagnetic transient of large power power electronic appliance; lack the true reflection that control protective unit affects the stabilization of power grids, can not meet safety assessment and the training exercise needs of nowadays complex electric network.
In the face of current complex electric network; need to utilize up-to-date grid simulation technology; set up alternating current-direct current complex large power grid model; accurate simulation is carried out to the interaction of alternating current-direct current electrical network, large power power electronic appliance and the response characteristic of new forms of energy equipment, the acting characteristic etc. of Control protection; and by bulk power grid characteristic actual display out, for scientific research personnel and management and running personnel provide comparatively accurate study and training exercise platform.
But, this system can carrying out simulation shows to alternating current-direct current complex electric network operation characteristic is not had in prior art, therefore, not enough for prior art, provide a kind of alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation very necessary to overcome prior art deficiency.
Utility model content
The purpose of this utility model is to provide a kind of convenient, flexible, accurately can reflect the alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation of alterating and direct current network operation characteristic.
Of the present utility modelly above-mentionedly to be realized by following technological means at present:
Alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation is provided, is provided with simulation work station, Real Time Digital Simulator, protocol transform card, switch and the electrical network characterization device of setting up alterating and direct current pessimistic concurrency control;
Described simulation work station is connected with described Real Time Digital Simulator by Ethernet, described Real Time Digital Simulator and described protocol transform card are bi-directionally connected, described protocol transform card and described switch are bi-directionally connected, and described switch and described electrical network characterization device are bi-directionally connected;
Described Real Time Digital Simulator is by protocol transform card, export analog quantity and digital quantity through switch to described electrical network characterization device, and described electrical network characterization device is through switch, return operation control command by protocol transform card to described Real Time Digital Simulator.
onstating Real Time Digital Simulator is RTDS Real Time Digital Simulator.
onstate the communication card that protocol transform card is DNP communication protocol, carry out data cube computation for Real Time Digital Simulator and external device (ED).
onstating electrical network characterization device is EMS energy management system.
Above-mentioned electrical network characterization device is provided with resolution unit, map unit and steady state data storehouse, the data of described switch conveying are resolved through resolution unit, carry out being stored in steady state data storehouse after data-mapping process through map unit again, electrical network characterization device is shown according to the steady state data of the data in steady state data storehouse by Real Time Digital Simulator.
The above-mentioned alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation, is also provided with Temporal Data processor, and described Temporal Data processor is bi-directionally connected with described Real Time Digital Simulator and described electrical network characterization device respectively;
Described Temporal Data processor is provided with Temporal Data extraction apparatus and converter, and described electrical network characterization device is provided with Temporal Data storehouse, variable data storehouse, searches matching unit and playback display unit.
The input end of described Temporal Data extraction apparatus is connected with described Real Time Digital Simulator, the output terminal of described Temporal Data extraction apparatus is connected with the input end of described converter, the output terminal of described converter is connected with the input end in described Temporal Data storehouse, matching unit is searched and described playback display unit is bi-directionally connected with described respectively in described Temporal Data storehouse, described in search matching unit and described variable data storehouse is bi-directionally connected;
Described Temporal Data extraction apparatus extracts the Temporal Data of described Real Time Digital Simulator, and extracted Temporal Data is inputed to described converter, and the data after converter conversion input and are stored in described Temporal Data storehouse;
Described search matching unit search in variable data storehouse and Temporal Data storehouse to dependent variable, the identical key value in Temporal Data storehouse is assigned to by variable data storehouse, realize associating of variable data storehouse and Temporal Data storehouse, in Temporal Data storehouse, need the variable shown to carry out playback and displaying by playback display unit.
The alterating and direct current network operation characterization equipment of the utility model base RTDS real-timedigital simulation, adopt Real Time Digital Simulator Reality simulation electrical network, realize Real Time Digital Simulator by protocol transform card to be connected with the bi-directional data of electrical network characterization device, the displaying directly perceived of electric operation characteristic can be realized.The utility model flexible design, dependable performance, simple and practical, accurately can show the operation characteristic of alternating current-direct current electrical network.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model based on the alternating current-direct current electrical network characterization equipment of RTDS;
Fig. 2 is interface diagram of the present utility model;
Fig. 3 is that the utility model electrical network Temporal Data shows step schematic diagram.
In Fig. 1 to Fig. 3, comprising:
The simulation work station 1 of alterating and direct current pessimistic concurrency control, Real Time Digital Simulator 2,
Protocol transform card 3, switch 4,
Electrical network characterization device 5, steady state data storehouse 51, Temporal Data storehouse 52, variable data storehouse 53
Temporal Data processor 6, Temporal Data extraction apparatus 61, converter 62.
Embodiment
In conjunction with specific embodiments the utility model is described further.
A kind of alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation, as shown in Figure 1, simulation work station 1, Real Time Digital Simulator 2, protocol transform card 3, switch 4 and the electrical network characterization device 5 of setting up alterating and direct current pessimistic concurrency control is provided with.
Simulation work station 1 is connected with Real Time Digital Simulator 2 by Ethernet, and Real Time Digital Simulator 2 and protocol transform card 3 are bi-directionally connected, and protocol transform card 3 and switch 4 are bi-directionally connected, and switch 4 and electrical network characterization device 5 are bi-directionally connected.
Real Time Digital Simulator 2 is by protocol transform card 3, export analog quantity and digital quantity through switch 4 to electrical network characterization device 5, and electrical network characterization device 5 is through switch 4, return operation control command by protocol transform card 3 to Real Time Digital Simulator 2.
Concrete, Real Time Digital Simulator 2 is RTDS Real Time Digital Simulator 2.Protocol transform card 3 is the communication card of DNP communication protocol, carries out data cube computation for Real Time Digital Simulator 2 and external device (ED).Electrical network characterization device 5 is EMS energy management system.
Electrical network characterization device 5 is provided with resolution unit, map unit and steady state data storehouse 51, the data that switch 4 is carried are resolved through resolution unit, carry out being stored in steady state data storehouse 51 after data-mapping process through map unit again, the steady state data of Real Time Digital Simulator 2 is shown according to the data in steady state data storehouse 51 by electrical network characterization device 5.
Based on the alterating and direct current network operation characterization equipment of RTDS real-timedigital simulation, should can carry out the displaying of Power System Steady-state data and the displaying of electrical network Temporal Data.
The displaying step of Power System Steady-state data is as follows:
(1) according to the primary system parameter such as actual track, bus, load, power equipment of alternating current-direct current electrical network, in Real Time Digital Simulator 2, select basic model, the primary system ginseng that input is corresponding also builds alternating current-direct current electrical network primary system digital simulation model according to actual electric network topological structure;
(2) on Real Time Digital Simulator 2, arrange DNP agreement output channel, the corresponding protocol transform card 3 of each passage, each passage configures the analog quantity that will show and digital quantity point table;
(3) parameter of protocol transform card 3 and switch 4 is set, makes Real Time Digital Simulator 2 and the two-way communication of electrical network characterization device 5;
(4) on electrical network characterization device 5, DNP passage is configured, the data from described Real Time Digital Simulator 2 that desampler 4 is carried, and return operational order through protocol transform card 3 to described Real Time Digital Simulator 2 by switch 4 by DNP passage, the displaying of the steady state data realizing Real Time Digital Simulator 2 on electrical network characterization device 5 and interaction.
Fig. 2 is a kind of interface embodiment schematic diagram of the present utility model, the AC line voltage that primary system digital simulation model computing in Real Time Digital Simulator 2 obtains, power, DC converter valve group electric current, AC line voltage, power, the analog quantity real-time data base directly exporting electrical network characterization device 5 to through switch 4 by protocol transform card 3 gathers; DC line circuit breaker position, alternating current circuit position signalling that primary system digital simulation model computing in Real Time Digital Simulator 2 obtains, the digital quantity real-time data base directly exporting electrical network characterization device 5 to through switch 4 by protocol transform card 3 gathers; The guidance command of electrical network characterization device 5, is back to Real Time Digital Simulator 2 through switch 4 by protocol transform card 3; The remote regulating order of electrical network characterization device 5, is back to Real Time Digital Simulator 2 through switch 4 by protocol transform card 3.
Should based on the alterating and direct current network operation characterization equipment of RTDS real-timedigital simulation, be also provided with Temporal Data processor 6, Temporal Data processor 6 is bi-directionally connected with Real Time Digital Simulator 2 and electrical network characterization device 5 respectively.
Temporal Data processor 6 is provided with Temporal Data extraction apparatus 61 and converter 62, and electrical network characterization device 5 is provided with Temporal Data storehouse 52, variable data storehouse 53, searches matching unit and playback display unit.
The input end of Temporal Data extraction apparatus 61 is connected with Real Time Digital Simulator 2, the output terminal of Temporal Data extraction apparatus 61 is connected with the input end of converter 62, the output terminal of converter 62 is connected with the input end in Temporal Data storehouse 52, Temporal Data storehouse 52 respectively with search matching unit and playback display unit is bi-directionally connected, search matching unit and variable data storehouse 53 is bi-directionally connected.
Temporal Data extraction apparatus 61 extracts the Temporal Data of Real Time Digital Simulator 2, and extracted Temporal Data is inputed to converter 62, and the data after converter 62 is changed input and are stored in Temporal Data storehouse 52.
Search matching unit search in variable data storehouse and Temporal Data storehouse 52 to dependent variable, the identical key value in Temporal Data storehouse 52 is assigned to by variable data storehouse 53, realize associating of variable data storehouse 53 and Temporal Data storehouse 52, in Temporal Data storehouse 52, need the variable shown to carry out playback and displaying by playback display unit.
Based on the alterating and direct current network operation characterization equipment of RTDS real-timedigital simulation, should can carry out the displaying of Power System Steady-state data and the displaying of electrical network Temporal Data.
As shown in Figure 3, the displaying of electrical network Temporal Data comprises the steps:
(1) digital simulation model of Real Time Digital Simulator 2 is run;
(2) Temporal Data extraction apparatus 61 extracts the Temporal Data that will show, and extracted Temporal Data is inputed to converter 62; Concrete, the Temporal Data that will the show record ripple that Temporal Data extraction apparatus 61 extracts is comtrade form;
(3), after converter 62 carries out data conversion, the data after conversion are inputted and are stored in the Temporal Data thesaurus of electrical network characterization device 5; Concrete, the data of comtrade form are converted to dat form by converter 62, can identify to make electrical network characterization device 5;
(4) search matching unit by search variable data storehouse 53 with in Temporal Data storehouse 52 to dependent variable, be assigned to the identical key value in Temporal Data storehouse 52 (namely map word value) by variable data storehouse 53, realize associating of variable data storehouse 53 and Temporal Data storehouse 52;
(5) variable shown is needed to carry out playback and displaying by playback display unit in Temporal Data storehouse 52.By arrange the order of playback be according to record ripple time sequencing playback, playback p.s. point, add the startup of replayed section, time-out, acceleration and retrogressing control, the speed of controlling curve playback effectively, the transient state playback of record ripple on electrical network characterization device 5 and displaying can be realized, simultaneously under transient state picture editing state by data correlation to variable data storehouse 53 pairs of dependent variables, the displaying of Temporal Data in transient state display frame of variable can be realized.
Power System Steady-state database 51 associates with variable data storehouse 53, is to be undertaken mating, mapping by the same map word key automatically searched in steady state data storehouse 51 and variable data storehouse 53; Similar, electrical network Temporal Data storehouse 52 associates with variable data storehouse 53, is to be undertaken mating, mapping by the same map word key automatically searched in Temporal Data storehouse 52 and variable data storehouse 53.
The alterating and direct current network operation characterization equipment of the utility model base RTDS real-timedigital simulation and methods of exhibiting thereof, adopt Real Time Digital Simulator 2 Reality simulation electrical network, realize Real Time Digital Simulator 2 by protocol transform card 3 to be connected with the bi-directional data of electrical network characterization device 5, the displaying directly perceived that electricity runs the characteristic such as steady state data and Temporal Data can be realized.The utility model flexible design, dependable performance, simple and practical, accurately can show the operation characteristic of alternating current-direct current electrical network.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1., based on an alterating and direct current network operation characterization equipment for RTDS real-timedigital simulation, it is characterized in that:
Be provided with simulation work station, Real Time Digital Simulator, protocol transform card, switch and the electrical network characterization device of setting up alterating and direct current pessimistic concurrency control;
Described simulation work station is connected with described Real Time Digital Simulator by Ethernet, described Real Time Digital Simulator and described protocol transform card are bi-directionally connected, described protocol transform card and described switch are bi-directionally connected, and described switch and described electrical network characterization device are bi-directionally connected;
Described Real Time Digital Simulator is by protocol transform card, export analog quantity and digital quantity through switch to described electrical network characterization device, and described electrical network characterization device is through switch, return operation control command by protocol transform card to described Real Time Digital Simulator.
2. the alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation according to claim 1, is characterized in that: described Real Time Digital Simulator is RTDS Real Time Digital Simulator.
3. the alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation according to claim 1 and 2, it is characterized in that: described protocol transform card is the communication card of DNP communication protocol, carry out data cube computation for Real Time Digital Simulator and external device (ED).
4. the alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation according to claim 3, is characterized in that: described electrical network characterization device is EMS energy management system.
5. the alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation according to claim 4, it is characterized in that: described electrical network characterization device is provided with resolution unit, map unit and steady state data storehouse, the output terminal of described switch is connected with the input end of described resolution unit, the output terminal of described resolution unit is connected with the input end of described map unit, the output terminal of described map unit is connected with the input end in described steady state data storehouse, the data of described switch conveying are resolved through resolution unit, carry out being stored in steady state data storehouse after data-mapping process through map unit again, electrical network characterization device is shown according to the steady state data of the data in steady state data storehouse by Real Time Digital Simulator.
6. the alterating and direct current network operation characterization equipment based on RTDS real-timedigital simulation according to claim 5, is characterized in that:
Also be provided with Temporal Data processor, described Temporal Data processor is bi-directionally connected with described Real Time Digital Simulator and described electrical network characterization device respectively;
Described Temporal Data processor is provided with Temporal Data extraction apparatus and converter, and described electrical network characterization device is provided with Temporal Data storehouse, variable data storehouse, searches matching unit and playback display unit;
The input end of described Temporal Data extraction apparatus is connected with described Real Time Digital Simulator, the output terminal of described Temporal Data extraction apparatus is connected with the input end of described converter, the output terminal of described converter is connected with the input end in described Temporal Data storehouse, matching unit is searched and described playback display unit is bi-directionally connected with described respectively in described Temporal Data storehouse, described in search matching unit and described variable data storehouse is bi-directionally connected;
Described Temporal Data extraction unit extracts the Temporal Data of described Real Time Digital Simulator, and extracted Temporal Data is inputed to described converter, and the data after converter conversion input and are stored in described Temporal Data storehouse;
Described search matching unit search in variable data storehouse and Temporal Data storehouse to dependent variable, the identical key value in Temporal Data storehouse is assigned to by variable data storehouse, realize associating of variable data storehouse and Temporal Data storehouse, in Temporal Data storehouse, need the variable shown to carry out playback and displaying by playback display unit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616572A (en) * | 2015-01-08 | 2015-05-13 | 中国南方电网有限责任公司电网技术研究中心 | Alternating current-direct current power grid operating characteristic display system and display method based on RTDS real-time digital simulation |
| CN108919777A (en) * | 2018-06-27 | 2018-11-30 | 中国南方电网有限责任公司电网技术研究中心 | Digital closed-loop test system and method of stability control system |
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- 2015-01-08 CN CN201520009980.1U patent/CN204576919U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616572A (en) * | 2015-01-08 | 2015-05-13 | 中国南方电网有限责任公司电网技术研究中心 | Alternating current-direct current power grid operating characteristic display system and display method based on RTDS real-time digital simulation |
| CN108919777A (en) * | 2018-06-27 | 2018-11-30 | 中国南方电网有限责任公司电网技术研究中心 | Digital closed-loop test system and method of stability control system |
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Effective date of registration: 20210830 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Patentee after: OSI AUTOMATION SOFTWARE SYSTEMS (BEIJING) Co.,Ltd. Address before: 510080 Guangzhou, Yuexiu District, Guangdong Province Dongfeng East Road, 6 water tower, Guangdong tower. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: China South Power Grid International Co.,Ltd. Patentee before: OSI AUTOMATION SOFTWARE SYSTEMS (BEIJING) Co.,Ltd. |
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