CN211628081U - RTDS-based stability test system with multi-loop direct current coordinated control master station - Google Patents
RTDS-based stability test system with multi-loop direct current coordinated control master station Download PDFInfo
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- CN211628081U CN211628081U CN202020555102.0U CN202020555102U CN211628081U CN 211628081 U CN211628081 U CN 211628081U CN 202020555102 U CN202020555102 U CN 202020555102U CN 211628081 U CN211628081 U CN 211628081U
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Abstract
The utility model relates to a stability test system containing a multi-loop direct current coordination control main station based on RTDS, which comprises a stability device, an interface board card, a real-time simulator, a high-voltage direct current control and protection system; the stability device is connected with the real-time simulator through an interface board card; the high-voltage direct current control and protection system is also connected with the real-time simulator through the interface board card; the stabilizing device is also connected with a high-voltage direct-current control and protection system. The utility model discloses can carry out fault simulation, utilize big electric wire netting real-time simulation technique, stable control technique to synthesize coordination technique and the real-time simulation technique of steady system etc. to the complicated electric wire netting of many times direct current access, for steady technical research, steady control strategy is synthesized and is verified and electric wire netting dynamic characteristic analysis provides perfect platform.
Description
Technical Field
The utility model belongs to the technical field of electric power system safety and stability control, real-time digital simulation and experimental research and development, concretely relates to contain many times of steady test system of direct current coordinated control main website based on RTDS.
Background
The safety and stability control System is one of the most important contents in three defense lines of a power System, a power grid comprises a multi-loop direct current transmission end System, the number of safety and stability devices in the transmission end System is large, the control mode is complex, dynamic testing must be carried out through a Real Time Digital Simulation (RTDS) test, the safety and stability devices can be guaranteed to adapt to System change and change, and the safe and stable operation of the power grid System is maintained.
With the investment of multi-circuit direct current engineering, the dynamic characteristics of a power grid are complex, the scale of a safety and stability control system which is put into operation is large, alternating current and direct current systems are mutually coupled, and the workload and the working difficulty of the research and design of a safety and stability technology, the test of the safety and stability system and the verification of a control strategy are large.
The existing safety and stability control device is mainly tested by a single simulation model aiming at the test device established by a simulation laboratory or directly operated in a power grid operation mode, and the existing test has great limitation and cannot provide more comprehensive tests aiming at various control characteristics and various operation modes. Therefore, how to overcome the defects of the prior art is a problem which needs to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art's not enough, provide a steady test system who contains many return direct current coordinated control main website based on RTDS, this test system is a real-time simulation test platform that is used for the steady control test research and development of electric wire netting, is applicable to the steady control system who contains many return direct current coordinated control main website.
In order to achieve the above object, the utility model adopts the following technical scheme:
the stability test system based on the RTDS and comprising a multi-loop direct current coordination control main station comprises a stability device, an interface board card, a real-time simulator and a high-voltage direct current control and protection system;
the stability device is connected with the real-time simulator through an interface board card;
the high-voltage direct current control and protection system is also connected with the real-time simulator through the interface board card;
the stabilizing device is also connected with a high-voltage direct-current control and protection system.
Further, preferably, the system further comprises a first network switch and a first human-computer interaction device; the first human-computer interaction device is connected with the stability device through the first network switch.
Further, preferably, the system further comprises a second human-computer interaction device and a second network switch, wherein the second human-computer interaction device is connected with the real-time simulator through the second network switch.
Further, preferably, the interface board card is composed of a GTAO/GTAI analog signal output and input board card and a GTDO/GTDI digital signal output and input board card.
Further, it is preferable that the network switch further includes a master clock, and the master clock is connected to the first network switch.
Further, preferably, the stabilization device comprises a multi-direct-current coordinated control main station and a stabilization area control substation.
Compared with the prior art, the utility model, its beneficial effect does:
the utility model discloses steady test system who contains many times direct current coordinated control main website based on RTDS is the experimental research platform of real-time simulation of a electric wire netting safety and stability control technique, novel structure, and the emulation reliability is high. The utility model discloses can carry out fault simulation, utilize big electric wire netting real-time simulation technique, stable control technique to synthesize coordination technique and the real-time simulation technique of steady system etc. to the complicated electric wire netting of many times direct current access, for steady technical research, steady control strategy is synthesized and is verified and electric wire netting dynamic characteristic analysis provides perfect platform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1, a stabilizing device; 2. an interface board card; 3. a real-time simulator; 4. a high voltage direct current control and protection system; 5. a first network switch; 6. a first human-computer interaction device; 7. a second network switch; 8. a second human-computer interaction device; 9. a master clock; 11. a plurality of direct current coordination control master stations; 12. a stability area control substation; 21. the GTAO/GTAI analog signal is output to the input board card; 22. and the GTDO/GTDI digital signal is output and input to the board card.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wirelessly connected.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "provided" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific situation.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As shown in fig. 1, the stability test system with a multi-loop dc coordinated control master station based on the RTDS includes a stability device 1, an interface board 2, a real-time simulator 3, and a high-voltage dc control and protection system 4;
the stability device 1 is connected with the real-time simulator 3 through an interface board card 2;
the high-voltage direct current control and protection system 4 is also connected with the real-time simulator 3 through the interface board card 2;
the stabilizing device 1 is also connected with a high-voltage direct-current control and protection system 4.
Preferably, the system further comprises a first network switch 5 and a first human-computer interaction device 6; the first human-computer interaction device 6 is connected with the stabilization device 1 through a first network switch 5 respectively.
Preferably, the system further comprises a second human-computer interaction device 8 and a second network switch 7, wherein the second human-computer interaction device 8 is connected with the real-time simulator 3 through the second network switch 7.
In a preferred scheme, the interface board 2 is composed of a GTAO/GTAI analog signal input/output board 21 and a GTDO/GTDI digital signal input/output board 22.
Preferably, the system further comprises a master clock 9, and the master clock 9 is connected with the first network switch 5.
In a preferable scheme, the stabilization device 1 comprises a multi-direct-current coordination control main station 11 and a stabilization area control substation 12.
The multi-DC coordinated control master station 11 is a power system stable control device and is responsible for organizing the units in the drainage basin where the power system is located, providing a standby power supply capacity pool for the DC with the remote standby power supply demand, receiving remote DC power supply switching capacity information, and issuing a switching command to each unit according to the switching capacity and the switching sequence of the units in the power supply capacity pool.
The stability area control substation 12 is a stability control device of the power system, and is responsible for organizing local substation access units, providing switchable power supply for the accessed direct current, receiving the switching amount information of the accessed direct current, and issuing switching instructions to each unit according to the starting state of the switchable power supply and the switching preset sequence.
In the embodiment, the stability device 1 is a device to be tested, and preferably the model of the multi-direct-current coordinated control master station 11 is PCS-992M; the model of the stabilization area control substation 12 is PCS-992S;
the real-time simulator 3 is an RTDS and only needs to adopt the existing equipment. The GTAO/GTAI analog signal output and input board 21 and the GTDO/GTDI digital signal output and input board 22 are output and input boards which are produced by RTDS company and used together with RTDS simulation software;
high voltage direct current control and protection system 4 is current device, and the effect is the same with current device, can be unanimous with the use of southern electric wire netting, the utility model discloses do not make special restriction to this.
The main clock 9 is used for providing a clock signal to realize the time synchronization of the stability test system by adopting the existing equipment;
the first human-computer interaction device 6 is used for operating the stabilizing device 1 through the first network switch 5 and is also used for displaying a cutting command of the stabilizing device 1 through the first network switch 5.
The second human-computer interaction means 8 are used to operate the real-time simulator 3 through the second network switch 7.
When the device is used, the to-be-tested stabilization device 1 is connected to form the stabilization test system of the utility model, the first human-computer interaction device 6 operates the stabilization device 1 through the first network switch 5, such as setting the stabilization value of the stabilization device 1; the second human-computer interaction device 8 operates the real-time simulator 3 through the second network switch 7, sets each parameter in the real-time simulator 3, the real-time simulator 3 simulates a real power grid system, then sends a signal to the stabilizing device 1 through the interface board card 2, and if the power grid system fails, the stabilizing device 1 sends a tripping command which is transmitted to the real-time simulator 3 through the interface board card 2 to trip; meanwhile, the stabilizing device 1 sends a switch command to be transmitted to the first human-computer interaction device 6 through the first network switch 5 for display. The high-voltage direct current control and protection system 4 is used for high-voltage direct current control and protection of the power grid system simulated by the stabilizing device 1 and the real-time simulator 3.
Real-time can provide a steady test system who contains many return direct current coordinated control main website based on RTDS. The system can perform real-time digital simulation on a large-scale alternating current-direct current hybrid power grid with multi-circuit direct current line access, and perform perfect combination of expected accident simulation, safety and stability technical principle research, safety and stability system scheme design, comprehensive test of a safety and stability device, control strategy comprehensive verification and power grid dynamic characteristic analysis. The utility model discloses a make electric power system real-time simulator's operational environment can reflect electric power system's actual change process more directly perceived more closely.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The stability test system based on the RTDS and comprising a multi-loop direct current coordination control main station is characterized by comprising a stability device (1), an interface board card (2), a real-time simulator (3) and a high-voltage direct current control and protection system (4);
the stability device (1) is connected with the real-time simulator (3) through the interface board card (2);
the high-voltage direct current control and protection system (4) is also connected with the real-time simulator (3) through the interface board card (2);
the stability device (1) is also connected with a high-voltage direct current control and protection system (4).
2. The RTDS-based stability test system with a multi-loop DC coordinated control master station according to claim 1, further comprising a first network switch (5) and a first human-computer interaction device (6); the first human-computer interaction device (6) is connected with the stability device (1) through the first network switch (5).
3. The RTDS-based stability test system with a multi-loop DC coordinated control master station according to claim 1 or 2, further comprising a second human-computer interaction device (8) and a second network switch (7), wherein the second human-computer interaction device (8) is connected with the real-time simulator (3) through the second network switch (7).
4. The RTDS-based stability test system with multi-loop DC coordinated control master station according to claim 1 or 2, wherein the interface board card (2) is composed of a GTAO/GTAI analog signal output and input board card (21) and a GTDO/GTDI digital signal output and input board card (22).
5. The RTDS-based stability test system with multi-loop DC coordinated control master station according to claim 1 or 2, further comprising a master clock (9), wherein the master clock (9) is connected with the first network switch (5).
6. The RTDS-based stability test system with multiple loops of DC coordinated control master stations according to claim 1 or 2, characterized in that the stability device (1) comprises multiple DC coordinated control master stations (11) and a stability area control substation (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020555102.0U CN211628081U (en) | 2020-04-15 | 2020-04-15 | RTDS-based stability test system with multi-loop direct current coordinated control master station |
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| CN202020555102.0U CN211628081U (en) | 2020-04-15 | 2020-04-15 | RTDS-based stability test system with multi-loop direct current coordinated control master station |
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| CN211628081U true CN211628081U (en) | 2020-10-02 |
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