CN202443262U - Parallel-type digital/analog comprehensive simulation system interface and physical simulation subsystem interface - Google Patents
Parallel-type digital/analog comprehensive simulation system interface and physical simulation subsystem interface Download PDFInfo
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- CN202443262U CN202443262U CN201220053095XU CN201220053095U CN202443262U CN 202443262 U CN202443262 U CN 202443262U CN 201220053095X U CN201220053095X U CN 201220053095XU CN 201220053095 U CN201220053095 U CN 201220053095U CN 202443262 U CN202443262 U CN 202443262U
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Abstract
The utility model provides a parallel-type digital/analog comprehensive simulation system interface, which comprises a physical simulation subsystem interface based on a parallel-type rectifier and a follower, a measuring unit, a digital simulation subsystem interface and a control system, wherein the parallel-type physical simulation subsystem interface is connected with a three-phase power supply and a physical simulation subsystem; the measuring unit which is used for measuring the port voltage and current of the physical simulation subsystem is connected with the digital simulation subsystem interface; the digital simulation subsystem interface is connected with the digital simulation subsystem; and the digital simulation subsystem is connected with the control system. The parallel-type digital/analog comprehensive simulation system interface integrates a physical simulation subsystem and a digital simulation subsystem to form a real-time simulation model of the whole electric system, thereby fully developing the advantages of physical simulation and digital simulation. The utility model further provides a physical simulation subsystem interface.
Description
Technical field
The utility model relates to digital and analogue signals emulation field, is specifically related to parallel connection type digital-to-analogue comprehensive simulating system interface and physical simulation subsystem interface.
Background technology
Large-scale development and utilization along with regenerative resources such as wind energy, sun power; Consideration is linked into big electrical network with distributed power source, energy storage device, energy converter distributed generating energy supplying system with the form of microgrid and is incorporated into the power networks; Support each other with big electrical network, thereby give full play to the usefulness of distributed power generation energy supplying system.Because the introducing of microgrid system need be carried out deep research to microgrid and the only network operation of interaction mechanism and microgrid system of big electrical network and the operation characteristic that is incorporated into the power networks.The power system real-time simulation technology is the important means of carrying out Operation of Electric Systems characteristic research and device to test; Aspect a lot of, has irreplaceable effect; Therefore; Construction has the real-time emulation system of the renewable energy power generation microgrid system and the big electrical network that inserts thereof, become the research microgrid and with the inevitable requirement of big electrical network interaction mechanism.Use physical simulation system or Digital Simulation System to study microgrid and the only network operation of interaction mechanism and microgrid system of big electrical network and the operation characteristic that is incorporated into the power networks at present.
Physical simulation has been considered the non-linear complicated uncertain factor that waits; Therefore can simulate the dynamic process of electric system more exactly; The phenomenon that it be unclear that for mechanism and the research of novel electric power equipment are very convenient, but its modeling process is complicated, and time and capital consumption are big; Difficulty of parameter tuning, transplantability and compatibility are restricted;
The present computer technology, control technology are adopted in Digital Simulation, and in conjunction with large software and complex hardware, its modeling speed is fast, and parameter adjustment is convenient, can carry out emulation to big system, but unsatisfactory for the emulation of novel equipment and control strategy.
The utility model content
The purpose of the utility model is to propose a kind of parallel connection type digital-to-analogue comprehensive simulating system interface; This interface can integrate physical simulation subsystem and Digital Simulation subsystem; Constitute the Real-Time Model of whole electric system, thereby give full play to the advantage of physical simulation and Digital Simulation.
For achieving the above object the scheme of employing:
A kind of parallel connection type digital-to-analogue comprehensive simulating system interface comprises: physical simulation subsystem interface, measuring unit, Digital Simulation subsystem interface and control system;
Wherein, said physical simulation subsystem interface comprises input transformer, 3 groups of parallel connection type rectifiers, 3 groups of parallel connection type followers; A winding termination three-phase supply of said input transformer, the Secondary Winding of said input transformer is divided into 3 groups; Every group of parallel connection type rectifier comprises M three phase full bridge; Every group of parallel connection type follower comprises N single-phase full bridge; Wherein, M, N are positive integer;
On the same group Secondary Winding does not connect not the interchange end of the three phase full bridge in the parallel connection type rectifier on the same group; In same parallel connection type rectifier, first output terminal of three phase full bridge also connects and second output terminal and connecing; First dc terminal first output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection; Second dc terminal second output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection;
First of the single-phase full bridge of same parallel connection type follower exchanges end and connects; Second of all single-phase full bridges exchange end and connect; Each is organized the first interchange end and that connect end, the second interchange end of single-phase full bridge and connects end and is connected with the physical simulation subsystem;
Be used to measure the said measuring unit of said physical simulation subsystem port voltage and electric current, be connected with the said Digital Simulation subsystem interface of controlling self output state according to said measuring unit measured voltage and current information; The output terminal of said Digital Simulation subsystem interface is connected with the Digital Simulation subsystem; Said Digital Simulation subsystem, the said control system of controlling said physical simulation subsystem interface with the voltage and current information that receives said Digital Simulation subsystem output is connected.
The utility model proposes a kind of parallel connection type digital-to-analogue comprehensive simulating system interface; This interface is based on parallel connection type rectifier and follower; Receive the voltage and current signal of Digital Simulation subsystem through control system; Control the duty of physical simulation subsystem interface, thereby reach the effect that realizes physical simulation subsystem boundary condition; Obtain the electric current and voltage of physical simulation subsystem port through measuring unit, carry out Digital Simulation according to the electric current and voltage that measuring unit records then, thereby reach the effect that realizes Digital Simulation subsystem boundary condition; Thereby can physical simulation subsystem and Digital Simulation subsystem be integrated, constitute the Real-Time Model of whole electric system, thereby give full play to the advantage of physical simulation and Digital Simulation.
The utility model also proposes a kind of physical simulation subsystem interface, comprising: input transformer, 3 groups of parallel connection type rectifiers, 3 groups of parallel connection type followers; A winding termination three-phase supply of said input transformer, the Secondary Winding of said input transformer is divided into 3 groups; Every group of parallel connection type rectifier comprises M three phase full bridge; Every group of parallel connection type follower comprises N single-phase full bridge; Wherein, M, N are positive integer;
On the same group Secondary Winding does not connect not the interchange end of the three phase full bridge in the parallel connection type rectifier on the same group; In same parallel connection type rectifier, first output terminal of three phase full bridge also connects and second output terminal and connecing; First dc terminal first output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection; Second dc terminal second output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection;
First of the single-phase full bridge of same parallel connection type follower exchanges end and connects; Second of all single-phase full bridges exchange end and connect; Each is organized the first interchange end and that connect end, the second interchange end of single-phase full bridge and connects end and is connected with the physical simulation subsystem.
Description of drawings
Fig. 1 is a preferred structure synoptic diagram of parallel connection type digital-to-analogue comprehensive simulating system interface in the utility model;
Fig. 2 is another preferred structure synoptic diagram of parallel connection type digital-to-analogue comprehensive simulating system interface in the utility model.
Embodiment
For ease of understanding, will combine accompanying drawing to set forth.
Please refer to Fig. 1, the utility model proposes a kind of parallel connection type digital-to-analogue comprehensive simulating system interface, comprising: physical simulation subsystem interface T1, measuring unit T2, Digital Simulation subsystem interface T4 and control system T6;
Wherein, physical simulation subsystem interface T1 comprises 2,3 groups of parallel connection type followers 4 of 1,3 groups of parallel connection type rectifiers of input transformer; A winding termination three-phase supply of input transformer 1, the Secondary Winding of input transformer 1 is divided into 3 groups; Every group of parallel connection type rectifier 2 comprises M three phase full bridge 3; Every group of parallel connection type follower 4 comprises N single-phase full bridge 5; Wherein, M, N are positive integer;
On the same group Secondary Winding does not connect not the interchange end of the three phase full bridge 3 in the parallel connection type rectifier 2 on the same group; In same parallel connection type rectifier 2, first output terminal of three phase full bridge 3 also connects and second output terminal and connecing; First dc terminal first output terminal of the three phase full bridge 3 of different parallel connection type rectifiers 2 and that connect the single-phase full bridge 5 of the different parallel connection type followers 4 of end connection; Second dc terminal second output terminal of the three phase full bridge 3 of different parallel connection type rectifiers 2 and that connect the single-phase full bridge 5 of the different parallel connection type followers 4 of end connection;
First of the single-phase full bridge 5 of same parallel connection type follower 4 exchanges end and connects; Second of all single-phase full bridges 5 exchange end and connect; Each is organized the first interchange end and that connect end, the second interchange end of single-phase full bridge 5 and connects end and is connected with the physical simulation subsystem;
Be used for the measuring unit T2 of physical simulation subsystem port voltage and electric current, T1 is connected with the Digital Simulation subsystem interface; Digital Simulation subsystem interface T4 is connected with the Digital Simulation subsystem; Digital Simulation subsystem interface T4 controls self output state according to measuring unit T2 measured voltage and current information; The output terminal of Digital Simulation subsystem provides voltage and current information for control system T6, and control system T6 controls the duty of physical simulation subsystem interface T1 according to the voltage and current information of the Digital Simulation subsystem output that receives.
The utility model proposes a kind of parallel connection type digital-to-analogue comprehensive simulating system interface; This system interface is based on parallel connection type rectifier and follower; Receive the voltage and current signal of Digital Simulation subsystem through control system; Control the duty of physical simulation subsystem interface, thereby reach the effect that realizes physical simulation subsystem boundary condition; Obtain the electric current and voltage of physical simulation subsystem port through measuring unit, carry out Digital Simulation according to the electric current and voltage that measuring unit records then, thereby reach the effect that realizes Digital Simulation subsystem boundary condition; Thereby can physical simulation subsystem and Digital Simulation subsystem be integrated, constitute the Real-Time Model of whole electric system, thereby give full play to the advantage of physical simulation and Digital Simulation.
For filtering HF switch harmonic wave, can improve the foregoing description, referring to Fig. 2, physical simulation subsystem interface T1 also comprises: three-phase output filter 6,
That the input end of three-phase output filter 6 and first of each group single-phase full bridge 5 exchange end and connect end and all single-phase full bridges 5 second that exchange end and connect end and be connected, the output terminal of three-phase output filter 6 is connected with the physical simulation subsystem.
Wherein, when control system is controlled the physical simulation subsystem interface according to the voltage and current information of Digital Simulation subsystem output, utilize the voltage of Digital Simulation subsystem output to adopt the voltage-tracing algorithm to control physical simulation subsystem interface output voltage; Utilize the electric current of Digital Simulation subsystem output to adopt the current tracking algorithm to control physical simulation subsystem interface output current.
Wherein, the value of the number M of three phase full bridge and the number N of single-phase full bridge can be unequal, makes that the design of parallel connection type rectifier and parallel connection type follower is more flexible.
The utility model also proposes a kind of physical simulation subsystem interface concrete structure and can repeat no more referring to Fig. 1 or Fig. 2 here.
In the utility model, based on the physical simulation subsystem interface of parallel connection type; The Digital Simulation subsystem interface realizes down that at real-timedigital simulation platform (RTDS) the RTDS platform has controlled voltage source and controlled current flow source module, and its controlled quentity controlled variable can be an external input signal; The signal input part of Digital Simulation subsystem interface receives the physical simulation subsystem port voltage and the magnitude of current that measures, and output port links to each other with the Digital Simulation subsystem.To physical simulation subsystem interface device; Its control system receives the port voltage current information of Digital Simulation subsystem output; And adopt voltage-tracing or current tracking algorithm to control the duty of the full control switching device of shunt voltage type current transformer; To reach following purpose: the voltage or the current waveform of control current transformer output AC side are identical with port voltage or the current waveform that the Digital Simulation subsystem provides, thereby reach the effect that realizes physical simulation subsystem boundary condition.The Digital Simulation subsystem interface is made up of simple controlled voltage source and current source in the RTDS platform; Controlled voltage source and current source all have ready-made module in RTDS; The controlled quentity controlled variable of its controlled current source and controlled voltage source is physical simulation subsystem port current and the voltage that the signal input part of Digital Simulation subsystem interface receives; When needs switched, outside switch-over control signal changed, and the switch in the control RTDS is switched; Concrete: as to receive voltage signal, then gating controlled voltage source and according to the output of this controlled voltage source of voltage signal control that receives; Receive current signal, then gating controlled current source and according to the output of this controlled current source of current signal control that receives; To reach following purpose: the curtage waveform of control figure simulation subsystem output AC side is identical with the curtage waveform that physical simulation subsystem port measures, thereby reaches the effect that realizes Digital Simulation subsystem boundary condition.
Above the utility model embodiment does not constitute the qualification to the utility model protection domain.The modification of being done within any spirit and principle at the utility model, be equal to replacement and improvement etc., all should be included within the claim protection domain of the utility model.
Claims (8)
1. a parallel connection type digital-to-analogue comprehensive simulating system interface is characterized in that, comprising: physical simulation subsystem interface, measuring unit, Digital Simulation subsystem interface and control system;
Wherein, said physical simulation subsystem interface comprises input transformer, 3 groups of parallel connection type rectifiers, 3 groups of parallel connection type followers; A winding termination three-phase supply of said input transformer, the Secondary Winding of said input transformer is divided into 3 groups; Every group of parallel connection type rectifier comprises M three phase full bridge; Every group of parallel connection type follower comprises N single-phase full bridge; Wherein, M, N are positive integer;
On the same group Secondary Winding does not connect not the interchange end of the three phase full bridge in the parallel connection type rectifier on the same group; In same parallel connection type rectifier, first output terminal of three phase full bridge also connects and second output terminal and connecing; First dc terminal first output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection; Second dc terminal second output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection;
First of the single-phase full bridge of same parallel connection type follower exchanges end and connects; Second of the single-phase full bridge of all single-phase full bridges exchanges end and connects; Each is organized the first interchange end and that connect end, the second interchange end of single-phase full bridge and connects end and is connected with the physical simulation subsystem;
Be used to measure the said measuring unit of said physical simulation subsystem port voltage and electric current, be connected with the said Digital Simulation subsystem interface of controlling self output state according to said measuring unit measured voltage and current information; The output terminal of said Digital Simulation subsystem interface is connected with the Digital Simulation subsystem; Said Digital Simulation subsystem, the said control system of controlling said physical simulation subsystem interface with the voltage and current information that receives said Digital Simulation subsystem output is connected.
2. parallel connection type digital-to-analogue comprehensive simulating system interface according to claim 1 is characterized in that said physical simulation subsystem interface also comprises: the three-phase output filter,
That the input end of said three-phase output filter and first of each group single-phase full bridge exchange end and connect end and all single-phase full bridges second that exchange end and connect end and be connected, the output terminal of said three-phase output filter is connected with said physical simulation subsystem.
3. parallel connection type digital-to-analogue comprehensive simulating system interface according to claim 1 and 2 is characterized in that the value of said M and said N is unequal.
4. parallel connection type digital-to-analogue comprehensive simulating system interface according to claim 1 and 2 is characterized in that said M equates with the value of said N.
5. a physical simulation subsystem interface is characterized in that, comprising: input transformer, 3 groups of parallel connection type rectifiers, 3 groups of parallel connection type followers; A winding termination three-phase supply of said input transformer, the Secondary Winding of said input transformer is divided into 3 groups; Every group of parallel connection type rectifier comprises M three phase full bridge; Every group of parallel connection type follower comprises N single-phase full bridge; Wherein, M, N are positive integer;
On the same group Secondary Winding does not connect not the interchange end of the three phase full bridge in the parallel connection type rectifier on the same group; In same parallel connection type rectifier, first output terminal of three phase full bridge also connects and second output terminal and connecing; First dc terminal first output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection; Second dc terminal second output terminal of the three phase full bridge of different parallel connection type rectifiers and that connect the single-phase full bridge of the different parallel connection type followers of end connection;
First of the single-phase full bridge of same parallel connection type follower exchanges end and connects; Second of all single-phase full bridges exchange end and connect; Each is organized the first interchange end and that connect end, the second interchange end of single-phase full bridge and connects end and is connected with the physical simulation subsystem.
6. physical simulation subsystem interface according to claim 5 is characterized in that, also comprises: the three-phase output filter,
That the input end of said three-phase output filter and first of each group single-phase full bridge exchange end and connect end and all single-phase full bridges second that exchange end and connect end and be connected, the output terminal of said three-phase output filter is connected with said physical simulation subsystem.
7. according to claim 5 or 6 described physical simulation subsystem interfaces, it is characterized in that the value of said M and said N is unequal.
8. according to claim 5 or 6 described physical simulation subsystem interfaces, it is characterized in that said M equates with the value of said N.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220053095XU CN202443262U (en) | 2012-02-17 | 2012-02-17 | Parallel-type digital/analog comprehensive simulation system interface and physical simulation subsystem interface |
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| CN201220053095XU CN202443262U (en) | 2012-02-17 | 2012-02-17 | Parallel-type digital/analog comprehensive simulation system interface and physical simulation subsystem interface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540907A (en) * | 2012-02-17 | 2012-07-04 | 广东电网公司电力科学研究院 | Parallel digital and analog integrated simulation interface and physical simulation subsystem interface |
| CN103472733A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Digital real-time simulation physical port device of power system based on optical fiber communication |
| CN110471309A (en) * | 2019-07-26 | 2019-11-19 | 西北工业大学 | For power hardware loop system emulation mode |
-
2012
- 2012-02-17 CN CN201220053095XU patent/CN202443262U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540907A (en) * | 2012-02-17 | 2012-07-04 | 广东电网公司电力科学研究院 | Parallel digital and analog integrated simulation interface and physical simulation subsystem interface |
| CN103472733A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Digital real-time simulation physical port device of power system based on optical fiber communication |
| CN103472733B (en) * | 2013-09-03 | 2016-05-25 | 国家电网公司 | A kind of electric power digital real-time simulation physical interface device based on fiber optic communication |
| CN110471309A (en) * | 2019-07-26 | 2019-11-19 | 西北工业大学 | For power hardware loop system emulation mode |
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Granted publication date: 20120919 Effective date of abandoning: 20140409 |
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| RGAV | Abandon patent right to avoid regrant |