CN204229225U - Wide-area remote test stability test equipment based on RTDS - Google Patents
Wide-area remote test stability test equipment based on RTDS Download PDFInfo
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- CN204229225U CN204229225U CN201420772940.8U CN201420772940U CN204229225U CN 204229225 U CN204229225 U CN 204229225U CN 201420772940 U CN201420772940 U CN 201420772940U CN 204229225 U CN204229225 U CN 204229225U
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- 238000004088 simulation Methods 0.000 claims abstract description 46
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Abstract
The utility model discloses a wide area remote test safety and stability test equipment based on RTDS, by RTDS simulator, emulation conversion equipment, electric power system communication network and the field device of on-the-spot actual installation constitute, the analog quantity and the switching value of RTDS simulator real-time simulation result output are imported to emulation conversion equipment through emulation result output, through transmit the simulation result to the protection control device of field device through electric power system communication network after the emulation conversion equipment conversion; the field device inputs the outlet information of the action to an outlet information input end of the simulation conversion device through the power system communication network, and the outlet information is fed back to the RTDS simulator by the simulation conversion device, so that the bidirectional information interaction and wide-area closed loop test of the test system are realized. The utility model discloses can improve the efficiency of RTDS dynamic simulation test to can obtain more accurate credible test result.
Description
Technical field
The utility model relates to the stable technical field of electric system, particularly a kind of stable testing equipment of wide area remote testing based on RTDS.
Background technology
Along with the raising that safe stability of power system and power supply reliability require, in the whole nation, each electrical network is widely used power system safety and stability control system, and becomes the indispensable important component part of electrical network day-to-day operation.Power system safety and stability control system is in large scale, device One's name is legion, and control strategy is complicated and changeable, must carry out dynamic simulation test by RTDS pilot system, to guarantee the reliability of system cloud gray model.
Traditional safety stabilization control system dynamic testing method builds the substantially identical pilot system of same real system in l-G simulation test room, concentrates and carry out RTDS emulation testing.On the one hand, building emulation test system in l-G simulation test room needs a large amount of wiring and configuration effort, but the pilot system of at every turn building does not possess reusability, and the efficiency of l-G simulation test is lower; On the other hand, the safety stabilization control system of actual motion is in large scale, be limited to the place of l-G simulation test room and the restriction of RTDS system RACK scale, pilot system can not reproduce whole real system completely, dynamic simulation can only be carried out to a part for system, the device software that sometimes also will run scene adjusts the requirement with adequacy test, and the confidence level of test findings is limited.
In addition, the protecting control equipment such as DC control protective device, multi HVDC coordinated control device, protective relaying device is concentrated in l-G simulation test room also to also exist during RTDS dynamic simulation and can not be simulated that real system runs, the problem of inefficiency completely.
Therefore, not enough for prior art, provide that a kind of emulation testing efficiency is high, the wide area remote testing stable testing equipment of result accurately based on RTDS is very necessary to overcome prior art deficiency.
Utility model content
The purpose of this utility model is to provide that a kind of testing efficiency is high for prior art deficiency, test result is accurately based on the stable testing equipment of wide area remote testing of RTDS.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of stable testing equipment of wide area remote testing based on RTDS is provided, be made up of the field apparatus of RTDS emulator, emulation conversion equipment, electric power communication network and on-the-spot actual installation, the simulation result output terminal of RTDS emulator is connected with the simulate signal input end of described emulation conversion equipment, and the simulate signal output terminal of described emulation conversion equipment inputs to the protecting control device of field apparatus by electric power communication network; The outlet information output terminal of the protecting control device of field apparatus inputs to the outlet information input end of emulation conversion equipment by electric power communication network, the outlet information output terminal of emulation conversion equipment is connected with the outlet information input end of described RTDS emulator;
The analog quantity that RTDS emulator real time simulation results exports and switching value input to described emulation conversion equipment through simulation result output terminal, by electric power communication network, simulation result are transferred to the protecting control device of field apparatus after described emulation conversion equipment conversion; The outlet information of action is inputed to the outlet information input end of emulation conversion equipment by field apparatus by electric power communication network, then feeds back to RTDS emulator by emulation conversion equipment, realizes two-way information interaction and the wide area closed loop test of pilot system.
Preferably, described emulation conversion equipment is provided with collecting unit, converting unit and output unit, and the analog quantity that the real-time simulation of RTDS emulator exports by described converting unit and switching value are converted to digital signal;
The input end of described collecting unit is connected as the simulation result output terminal of simulate signal input end with described RTDS emulator, the output terminal of described collecting unit is connected with the input end of described converting unit, the output terminal of described converting unit is connected with the input end of described output unit, and the output terminal of described output unit is as simulate signal output terminal.
Preferably, above-mentioned emulation conversion equipment is provided with the supporting communication interface corresponding with emulating conversion equipment, and communication interface is bi-directionally connected with the output unit of corresponding emulation conversion equipment.
Preferably, above-mentioned RTDS emulator is standard interface with the interface of emulation conversion equipment, the position of analog quantity number, switching value number, switching value type and access device that RTDS emulator is carried to each conversion equipment with set form.
Preferably; standardized communication protocol is adopted between above-mentioned emulation conversion equipment and tested protecting control device; the content that emulation conversion equipment sends to each tested protecting control device is completely the same, and the data layout that each tested protecting control device sends to emulation conversion equipment is completely the same.
Preferably, the above-mentioned stable testing equipment of wide area remote testing based on RTDS, the protecting control device of tested field apparatus is provided with and needs to carry out throwing the remote testing starter moved back according to test;
When RTDS emulator is by emulation conversion equipment conveying emulation testing signal, remote testing starter drops into remote testing pattern, that is: remote testing starter receives the analog quantity and switching value information that RTDS emulator provides, and the analog quantity provided with received RTDS emulator and switching value information replace analog quantity and the switching value of field apparatus actual acquisition; And send to RTDS to emulate conversion equipment testing of equipment action outlet information feedback;
When RTDS emulator stops conveying emulation testing signal, remote testing starter exits remote testing pattern, and field apparatus normally runs.
Preferably, the every platform conversion equipment of the above-mentioned stable testing equipment of wide area remote testing based on RTDS carries out emulation testing, wherein m >=2 with the protecting control device of m field apparatus simultaneously; The conversion equipment that n platform is identical realizes the protecting control device associative simulation test of n × m plant stand in system, wherein n >=1.
The stable testing equipment of wide area remote testing based on RTDS of the present utility model, be made up of the field apparatus of RTDS emulator, emulation conversion equipment, electric power communication network and on-the-spot actual installation, the simulation result output terminal of RTDS emulator is connected with the simulate signal input end of described emulation conversion equipment, and the simulate signal output terminal of described emulation conversion equipment inputs to the protecting control device of field apparatus by electric power communication network; The outlet information output terminal of the protecting control device of field apparatus inputs to the outlet information input end of emulation conversion equipment by electric power communication network, the outlet information output terminal of emulation conversion equipment is connected with the outlet information input end of described RTDS emulator; The analog quantity that RTDS emulator real time simulation results exports and switching value input to described emulation conversion equipment through simulation result output terminal, by electric power communication network, simulation result are transferred to the protecting control device of field apparatus after described emulation conversion equipment conversion; The outlet information of action is inputed to the outlet information input end of emulation conversion equipment by field apparatus by electric power communication network, then feeds back to RTDS emulator by emulation conversion equipment, realizes two-way information interaction and the wide area closed loop test of pilot system.The utility model achieves two-way information interaction between RTDS emulator and tested protecting control device and closed loop test by standardized emulation conversion equipment and electric power communication network; the simulation capacity of RTDS emulator is become the emulation of distributing wide area from centralized simulation of domain; and possess good reusability and extendability; the efficiency of RTDS dynamic simulation test can be improved, and more accurate believable test result can be obtained.
Accompanying drawing explanation
Utilize accompanying drawing to be further described the utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the wide area remote testing experimental system schematic diagram based on RTDS.
Fig. 2 is the two-way information interaction table of the test system of the utility model embodiment 2.
Fig. 3 is the communication protocol table of the utility model embodiment 2.
Embodiment
In conjunction with specific embodiments the utility model is described further.
embodiment 1.
A kind of stable testing equipment of wide area remote testing based on RTDS, as shown in Figure 1, be made up of the field apparatus of RTDS emulator, emulation conversion equipment, electric power communication network and on-the-spot actual installation, the simulation result output terminal of RTDS emulator is connected with the simulate signal input end of emulation conversion equipment, and the simulate signal output terminal of emulation conversion equipment inputs to the protecting control device of field apparatus by electric power communication network; The outlet information output terminal of the protecting control device of field apparatus inputs to the outlet information input end of emulation conversion equipment by electric power communication network, the outlet information output terminal of emulation conversion equipment is connected with the outlet information input end of described RTDS emulator.
The analog quantity that RTDS emulator real time simulation results exports and switching value input to described emulation conversion equipment through simulation result output terminal, by electric power communication network, simulation result are transferred to the protecting control device of field apparatus after the conversion of emulation conversion equipment; The outlet information of action is inputed to the outlet information input end of emulation conversion equipment by field apparatus by electric power communication network; RTDS emulator is fed back to again by emulation conversion equipment; realize two-way information interaction and the wide area closed loop test of pilot system; real-time information interaction between the tested protecting control device of this RTDS emulator and scene forms closed loop test, improves the confidence level of test result.
Emulation conversion equipment specifically gathers analog quantity and the switching value of RTDS emulator real-time simulation output, and sends to the protecting control device of field apparatus after being converted to digital signal; Emulate the action outlet information that conversion equipment receives the test protecting control device of field apparatus simultaneously, and feed back to RTDS emulator with contact form.
Concrete, emulation conversion equipment is provided with collecting unit, converting unit and output unit, and the analog quantity that the real-time simulation of RTDS emulator exports by converting unit and switching value are converted to digital signal.
The input end of collecting unit is connected with the simulation result output terminal of RTDS emulator as simulate signal input end, the output terminal of collecting unit is connected with the input end of converting unit, the output terminal of converting unit is connected with the input end of output unit, and the output terminal of output unit is as simulate signal output terminal.
Emulation conversion equipment is set to many covers usually, and each emulation conversion equipment is provided with supporting communication interface, and communication interface is bi-directionally connected with corresponding emulation conversion equipment.Interface between the tested protecting control device of RTDS emulator and scene, by emulating conversion equipment and supporting communication interface completes, completes two-way conversion and communication function.
RTDS emulator adopts standardized designs with the interface of emulation conversion equipment, and the position of analog quantity number, switching value number, switching value type and access device that RTDS emulator is carried to each conversion equipment is relatively fixing.After emulation conversion equipment collects above-mentioned analog quantity, calculated by the effective value of analog quantity, throw and stop being converted to digital signal with judging trip etc. to the tested protecting control device transmission of each plant stand.Receive the action outlet information of tested protecting control equipment simultaneously, feed back to RTDS system with contact form.
Standardized communication protocol is adopted between emulation conversion equipment and tested protecting control device; the content that emulation conversion equipment sends to each tested protecting control device is completely the same, and the data layout that each tested protecting control device sends to emulation conversion equipment is completely the same.
Should based on the stable testing equipment of wide area remote testing of RTDS, the protecting control device of tested field apparatus is provided with and needs to carry out throwing the remote testing starter moved back according to test.Field apparatus can be realized by remote testing starter and normally run exchange between remote testing pattern.
When RTDS emulator is by emulation conversion equipment conveying emulation testing signal, remote testing starter drops into remote testing pattern, that is: remote testing starter receives the analog quantity and switching value information that RTDS emulator provides, and the analog quantity provided with received RTDS emulator and switching value information replace analog quantity and the switching value of field apparatus actual acquisition; And send to RTDS to emulate conversion equipment testing of equipment action outlet information feedback;
When RTDS emulator stops conveying emulation testing signal, remote testing starter exits remote testing pattern, and field apparatus normally runs.
Because the interface of RTDS emulator and emulation conversion equipment adopts standardized designs, emulates the communication protocol adopting standard between conversion equipment and tested equipment; therefore every platform conversion equipment carries out emulation testing with the protecting control device of m field apparatus simultaneously; wherein m >=2; namely can realize every platform conversion equipment simultaneously to the emulation testing that m protecting control device carries out, thus improve the efficiency of emulation testing.
Emulation conversion equipment and RTDS, interface between tested equipment are standardized designs, therefore the function of multiple emulation conversion equipment and configuration completely the same, possess good reusability.Associative simulation for Iarge-scale system is tested; when RTDS system RACK scale allows; n × m(wherein n >=1 in system can be realized by the conversion equipment that n platform is identical) test of the protecting control equipment associative simulation of individual plant stand, possess good set expandability.
The utility model achieves two-way information interaction between RTDS emulator and tested protecting control device and closed loop test by standardized emulation conversion equipment and electric power communication network; the simulation capacity of RTDS emulator is become the emulation of distributing wide area from centralized simulation of domain; and possess good reusability and extendability; the efficiency of RTDS dynamic simulation test can be improved, and more accurate believable test result can be obtained.
embodiment 2.
The present embodiment is described for Chu Sui direct current safety stabilization control system.The utility model provides a kind of stable testing equipment of wide area remote testing based on RTDS, as shown in Figure 1, be made up of the field apparatus of RTDS emulator, emulation conversion equipment, electric power communication network and on-the-spot actual installation, the simulation result output terminal of RTDS emulator is connected with the simulate signal input end of emulation conversion equipment, and the simulate signal output terminal of emulation conversion equipment inputs to the protecting control device of field apparatus by electric power communication network; The outlet information output terminal of the protecting control device of field apparatus inputs to the outlet information input end of emulation conversion equipment by electric power communication network, the outlet information output terminal of emulation conversion equipment is connected with the outlet information input end of described RTDS emulator.
The analog quantity that RTDS emulator real time simulation results exports and switching value input to described emulation conversion equipment through simulation result output terminal, by electric power communication network, simulation result are transferred to the protecting control device of field apparatus after the conversion of emulation conversion equipment; The outlet information of action is inputed to the outlet information input end of emulation conversion equipment by field apparatus by electric power communication network, then feeds back to RTDS emulator by emulation conversion equipment, realizes two-way information interaction and the wide area closed loop test of pilot system.
RTDS emulator and tested protecting control device realize two-way information interaction by conversion equipment and communication network, thus complete wide area closed loop test.
In Chu Sui direct current safety stabilization control system; RTDS emulator provides maximum 12 groups of analog quantity small-signals and straight-wavy valve group operating state signal to wait until emulation conversion equipment; obtain power by the collection of emulation conversion equipment, calculating and judgement respectively, throwing stops, Sudden Changing Rate starts and tripping operation information, and by Circuits System communication network remote transmission to being installed on on-the-spot protecting control device.Scene protection control device, by after the action of l-G simulation test data-triggered, feeds back to action outlet information to emulation conversion equipment and RTDS emulator.The two-way information interaction of test system is as shown in the two-way information interaction mark of the test system of accompanying drawing 2.
The puppy parc of safety stabilization control system is adopted between emulation conversion equipment and on-the-spot device being tested, both interactive information are transmitted by communication protocol, communication adopts 2M multiple connection passage, and G.703 coded system is, shown in the communication protocol table of the following accompanying drawing 3 of communication protocol.
For scene protection control device, need increase by and the communication port of conversion equipment on the basis of principle, receive the system load flow and running state information that originally obtain from slave device or a distant place.In order to the data effectively distinguishing real data and obtain from conversion equipment, need to carry out increasing on original basis to need to carry out throwing the remote testing starter moved back according to test.Field apparatus can be realized by remote testing starter and normally run exchange between remote testing pattern.
When RTDS emulator is by emulation conversion equipment conveying emulation testing signal, remote testing starter drops into remote testing pattern, that is: remote testing starter receives the analog quantity and switching value information that RTDS emulator provides, and the analog quantity provided with received RTDS emulator and switching value information replace analog quantity and the switching value of field apparatus actual acquisition; And send to RTDS to emulate conversion equipment testing of equipment action outlet information feedback;
When RTDS emulator stops conveying emulation testing signal, remote testing starter exits remote testing pattern, and field apparatus normally runs.
Remote testing starter can be realized by control word definite value or soft pressing plate (soft pressing plate is a kind of switch valve class), when this control word that and if only if or soft pressing plate drop into, just allows the data of taking emulation conversion equipment.
For the associative simulation of the multiple plant stand of Chu Sui direct current safety stabilization control system, configurable many covers standard, identical emulation conversion equipment and each station arrangement of system realize one to one or the communication of one-to-many, the analog quantity that transmission RTDS emulator provides and switching value information, as shown in Figure 1.RTDS emulator can export various faults form simultaneously, as the locking of many valves group, double loop simultaneous faults etc., in investigation system, the action situation of each plant stand and the action situation that feeds back to are on the impact of RTDS system stability, thus held the effect of device action to system stability accurately, effectively rely on for simulation calculation and security and stability control Strategy Design provide.
The utility model achieves two-way information interaction between RTDS emulator and tested protecting control device and closed loop test; the simulation capacity of RTDS emulator is become the emulation of distributing wide area from centralized simulation of domain; and possess good reusability and extendability; the efficiency of RTDS dynamic simulation test can be improved, and more accurate believable test result can be obtained.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to utility model protection scope; although be explained in detail utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of utility model or equivalent replacement, and not depart from essence and the scope of utility model technical scheme.
Claims (8)
1. the stable testing equipment of wide area remote testing based on RTDS, it is characterized in that: be made up of the field apparatus of RTDS emulator, emulation conversion equipment, electric power communication network and on-the-spot actual installation, the simulation result output terminal of RTDS emulator is connected with the simulate signal input end of described emulation conversion equipment, and the simulate signal output terminal of described emulation conversion equipment inputs to the protecting control device of field apparatus by electric power communication network; The outlet information output terminal of the protecting control device of field apparatus inputs to the outlet information input end of emulation conversion equipment by electric power communication network, the outlet information output terminal of emulation conversion equipment is connected with the outlet information input end of described RTDS emulator.
2. the stable testing equipment of wide area remote testing based on RTDS according to claim 1, it is characterized in that: described emulation conversion equipment is provided with collecting unit, converting unit and output unit, the analog quantity that the real-time simulation of RTDS emulator exports by described converting unit and switching value are converted to digital signal;
The input end of described collecting unit is connected as the simulation result output terminal of simulate signal input end with described RTDS emulator, the output terminal of described collecting unit is connected with the input end of described converting unit, the output terminal of described converting unit is connected with the input end of described output unit, and the output terminal of described output unit is as simulate signal output terminal.
3. the stable testing equipment of wide area remote testing based on RTDS according to claim 2, it is characterized in that: described emulation conversion equipment is provided with the supporting communication interface corresponding with emulating conversion equipment, and communication interface is bi-directionally connected with the output unit of corresponding emulation conversion equipment.
4. the stable testing equipment of wide area remote testing based on RTDS according to claim 3, is characterized in that: described emulation conversion equipment is set to many covers, and each emulation conversion equipment is provided with supporting communication interface.
5. the stable testing equipment of wide area remote testing based on RTDS according to claim 3, it is characterized in that: RTDS emulator is standard interface with the interface of emulation conversion equipment, the position of analog quantity number, switching value number, switching value type and access device that RTDS emulator is carried to each conversion equipment with set form.
6. the stable testing equipment of wide area remote testing based on RTDS according to claim 5; it is characterized in that: between described emulation conversion equipment and tested protecting control device, adopt standardized communication protocol; the content that emulation conversion equipment sends to each tested protecting control device is completely the same, and the data layout that each tested protecting control device sends to emulation conversion equipment is completely the same.
7. the stable testing equipment of wide area remote testing based on RTDS according to claim 1 to 6 any one, is characterized in that: the protecting control device of tested field apparatus is provided with and carries out throwing the remote testing starter moved back according to test needs.
8. the stable testing equipment of wide area remote testing based on RTDS according to claim 7, is characterized in that: every platform conversion equipment carries out emulation testing, wherein m >=2 with the protecting control device of m field apparatus simultaneously; The conversion equipment that n platform is identical realizes the protecting control device associative simulation test of n × m plant stand in system, wherein n >=1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834227A (en) * | 2015-04-30 | 2015-08-12 | 国网智能电网研究院 | High-speed communication module suitable for real time digital system (RTDS) |
| CN111913843A (en) * | 2020-07-10 | 2020-11-10 | 西安西电电力系统有限公司 | Power electronic equipment simulation test interface device |
-
2014
- 2014-12-09 CN CN201420772940.8U patent/CN204229225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834227A (en) * | 2015-04-30 | 2015-08-12 | 国网智能电网研究院 | High-speed communication module suitable for real time digital system (RTDS) |
| CN111913843A (en) * | 2020-07-10 | 2020-11-10 | 西安西电电力系统有限公司 | Power electronic equipment simulation test interface device |
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Effective date of registration: 20210907 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: NR ENGINEERING 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: NR ENGINEERING Co.,Ltd. |