CN102760192A - Real-time digital simulator-based power system closed loop verifying platform and method - Google Patents
Real-time digital simulator-based power system closed loop verifying platform and method Download PDFInfo
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Abstract
The invention discloses a real-time digital simulator-based power system closed loop verifying platform and method. The real-time digital simulator-based power system closed loop verifying platform comprises a real-time digital simulator and an online safety and stability prewarning and auxiliary decision making system, wherein the online safety and stability prewarning and auxiliary decision making system comprises a data processing subsystem, a parallel calculation subsystem, a data storage subsystem, a human-computer interaction subsystem, an information publishing subsystem and an offline analyzing subsystem which are connected with a router. The online safety and stability prewarning and auxiliary decision making system also comprises an information control processor which is connected with the router, wherein the real-time digital simulator transmits data to the online safety and stability prewarning and auxiliary decision making system through the Ethernet for realizing mutual communication. According to the invention, through information interaction, effectiveness of a control strategy is visually and conveniently verified, and a research and development and testing verification mode of the online safety and stability prewarning and auxiliary decision making system is optimized. The real-time digital simulator-based power system closed loop verifying platform is reasonable in design and has strong practicability.
Description
Technical field
The present invention relates to field of power, be specifically related to a kind of electric system closed loop verification platform and verification method based on Real Time Digital Simulator.
Background technology
Safety on line stablizes early warning and aid decision-making system is the whole solution framework of the monitoring of a round Realization electrical power system wide-area, performance analysis, protection and control function; It will be from the operation information integration processing of several data acquisition system in the electric system (like phasor measurement unit PMU, SCADA and the fault oscillograph based on GPS) transmission; Carry out online and security and stability analysis and decision calculation off-line; For the yardman provides the control decision support, improve the reliability of Operation of Electric Systems.
Real Time Digital Simulator (RTDS) is to be to realize real-time electric power system's electromagnetic transient simulation and a kind of concurrent computational system that special exploitation is made by Canadian Manitoba company.The highly-parallel computing power of RTDS, extensibility and higher simulation accuracy make it obtain increasing approval.At present, utilize RTDS to carry out electric system investigative technique maturation day by day, utilize the research of many aspects such as its operating analysis of carrying out the AC electrical network, trend Distribution calculation, the online stability analysis of electrical network and decision-making.
It is that sampling is integrated and formed the EMS EMS, wide area monitoring system WAMS etc. from practical power systems under traditional mode that safety on line is stablized early warning and the required data message of aid decision-making system development& testing; This data obtain manner can obtain the real time execution information of actual electric network, but can't satisfy safety on line and stablize the needs that early warning and aid decision-making system are carried out electricity net safety stable real-time early warning, online aid decision making and coordinated defense technique in-depth research.On the one hand, for guaranteeing the actual electric network safe operation, do not allow artificially to be provided with electric network fault or disturbance and stablize correctness, the practicality of early warning and aid decision-making system function to verify safety on line; On the other hand, the operation of power networks characteristic can't obtain through the off-line simulation means after safety on line was stablized control measure that early warning and aid decision-making system provide and acted on actual electric network.In addition; Along with the development of Power Electronic Technique, nearly all electric system advanced control equipment all is based on power electronic devices, has flexibly characteristic fast; The responsive time constant of these equipment may diminish to a few tens of milliseconds; And influenced by communication delay and data processing time-delay, current system combination becomes the cycle of operation of power networks status data to be a second level with WAMS through EMS, so the dynamic Characteristic Data of the short time of novel electron device can't be gathered.
Summary of the invention
Deficiency to prior art; The present invention provides a kind of electric system closed loop verification platform and verification method based on Real Time Digital Simulator; Realized that RTDS and safety on line stablize early warning and be connected with the real-time closed-loop of aid decision-making system; Convert operation of power networks status information among the RTDS to standard E formatted data that safety on line is stablized early warning and aid decision-making system; Simultaneously safety on line is stablized the decision information that early warning and aid decision-making system calculate and feed back to the real time modifying that RTDS carries out the electric network model parameter, for safety on line is stablized early warning and aid decision-making system provides development environment, test and validation environment.
A kind of electric system closed loop verification platform based on Real Time Digital Simulator provided by the invention comprises that Real Time Digital Simulator RTDS and safety on line stablize early warning and aid decision-making system; Said safety on line is stablized early warning and is comprised data process subsystem, parallel computation subsystem, data storage subsystem, man-machine interaction subsystem, information issue subsystem and the off-line analysis subsystem that links to each other with router with aid decision-making system; Its improvements are that said safety on line stablizes early warning and aid decision-making system comprises information Control processing device; Said information Control is handled device and is connected with said router;
Said Real Time Digital Simulator RTDS passes to said safety on line with data through Ethernet and stablizes early warning and aid decision-making system, forms closed-loop system.
Wherein, said Real Time Digital Simulator RTDS and said information Control are handled and are adopted communication protocol DNP3.0 to be used to accomplish the data communication based on the WAN/LAN of ICP/IP protocol between the device.
Wherein, said information Control is handled device said safety on line is stablized early warning and aid decision-making system and said Real Time Digital Simulator RTDS distribution network address, and communicates.
Wherein, said information Control processing device will be passed to said data storage subsystem etc. through said router after will carrying out the formative conversion of data message from the data that said Real Time Digital Simulator RTDS obtains;
The data that said information Control processing device is stablized early warning and aid decision-making system acquisition from said safety on line carry out passing to said Real Time Digital Simulator RTDS after the formative conversion of data message.
Wherein, said Real Time Digital Simulator RTDS comprises IRC card, GTNET card and the GPC card of at least one;
After said at least one GPC card intercoms mutually, specification signal is passed to said IRC card, said IRC card is passed to said GTNET card after with signal Processing; Said GTNET card is passed to said information Control with signal and is handled device.
Wherein, said safety on line is stablized early warning and aid decision-making system comprises the WARMAP system.
The present invention is based on a kind of verification method based on above-mentioned verification platform that another purpose provides, its improvements are that said method comprises the steps:
(1) the status data information of said Real Time Digital Simulator RTDS electric power system model that emulation is obtained is passed to said safety on line through Ethernet and is stablized the said information Control of early warning and aid decision-making system and handle device;
(2) said information Control is handled device and is handled according to the said data message that the network address of distributing will receive, and passes to the said data storage subsystem etc. that said safety on line is stablized early warning and aid decision-making system through router.
(3) said safety on line is stablized early warning and aid decision-making system is analyzed and calculated said data message, the decision information that draws is handled device through said information Control feed back to said Real Time Digital Simulator RTDS;
(4) said Real Time Digital Simulator RTDS revises the designated parameter in the electric power system model according to decision information.
Wherein, the said information Control processing of step (2) device reception data comprise the steps:
1. the GTNET card of said Real Time Digital Simulator RTDS is connected with the SCOKET that said information Control processing device is set up based on TCP/IP, and said information Control is handled device sends request of data from specification signal to said Real Time Digital Simulator RTDS;
2. said Real Time Digital Simulator RTDS receives to send after the request of data and confirms to answer and send carrying out network after the specific data encapsulation;
3. said information Control is handled and is confirmed to answer after device receives said data.
Wherein, the said information Control processing of step (2) device is handled data message and is comprised the steps:
< 1>said information Control processing device becomes said safety on line to stablize early warning and aid decision-making system recognition data form said real-time power network status data information translation through calling external function, and the data that are converted to are write corresponding file;
< 2>said safety on line is stablized early warning and aid decision-making system and is called and carry database functions and read above-mentioned data file.
Wherein, step (3) comprises the steps:
A) said safety on line is stablized early warning and aid decision-making system and is called the decision information that computational analysis is obtained from tape function and generate the decision-making file;
B) said information Control is handled device and from the above-mentioned decision-making file that obtains, is extracted in the Real Time Digital Simulator RTDS model and need the data updated parameter through calling external function.
Wherein, step (4) comprises the steps:
I) the GTNET card of said Real Time Digital Simulator RTDS and said information Control are handled the SCOKET that device sets up based on TCP/IP and are connected, and the information Control main website obtains the network address of Real Time Digital Simulator RTDS and decision information is carried out the network transmission after by the encapsulation of DNP3.0 stipulations;
Return success after the GTNET card receiver DNP3.0 formatted data of ii) said Real Time Digital Simulator RTDS to receive and answer;
The said DNP3.0 formatted data that the GTNET card of iii) said Real Time Digital Simulator RTDS will be received is through obtaining the decision-making data of demand after resolving;
Iv) said Real Time Digital Simulator RTDS revises the designated parameter in the said electric power system model according to said decision-making online data.
With the prior art ratio, beneficial effect of the present invention is:
The present invention is used for exploitation and the debugging that safety on line is stablized early warning and aid decision-making system; Can be real-time electric network data be analyzed and calculated simultaneously can be fast stablized decision signal that early warning and aid decision-making system provide with safety on line and fed back to Real Time Digital Simulator RTDS and carry out recruitment evaluation.The information interaction that the present invention is so not only can be intuitively, the validity of access control strategy easily, and greatly degree optimization safety on line stablize the research and development and the testing authentication pattern of early warning and aid decision-making system.
The invention solves and carrying out electricity net safety stable real-time early warning, online aid decision making and coordinating real-time power network data acquisition difficulty in the defense technique in-depth research; The problem that control strategy can't effectively be verified has significantly reduced cost of development on the basis that increases system transplantation property and dirigibility.
The present invention has added information Control and has handled device in closed-loop system, its effect is to handle Real Time Digital Simulator RTDS and safety on line to stablize data interaction and format conversion etc. between early warning and the aid decision-making system.Information Control handle call specific function in the device can real-time processing data request and format conversion, truly reached this requirement of real-time closed-loop.And information Control is handled device and can be carried out the branch batch record according to data scale and remerge transmission in the closed-loop system of the present invention, when the data interaction amount is big, still can reach requirement.
The present invention handles device with information Control and is arranged at safety on line and stablizes in early warning and the aid decision-making system, and it saves space and material.
The present invention is reasonable in design, has very strong practicality.
Description of drawings
Fig. 1 is the structural drawing of the electric system closed loop verification platform based on Real Time Digital Simulator provided by the invention.
Fig. 2 is information Control provided by the invention its internal process figure when handling device communication.
Fig. 3 is that safety on line provided by the invention is stablized early warning and aid decision-making system and information Control processing device communication flow diagram.
Fig. 4 is the format chart of DNP3.0 stipulations provided by the invention.
Embodiment
Do further to specify below in conjunction with the accompanying drawing specific embodiments of the invention.
A kind of electric system closed loop verification platform that present embodiment provides based on Real Time Digital Simulator, as shown in Figure 1, comprise that Real Time Digital Simulator RTDS and safety on line stablize early warning and aid decision-making system; Said safety on line stablizes early warning and aid decision-making system comprises data process subsystem, parallel computation subsystem, data storage subsystem, man-machine interaction subsystem, information issue subsystem and off-line analysis subsystem; Said data process subsystem, parallel computation subsystem, data storage subsystem, man-machine interaction subsystem, information issue subsystem all are connected with router with the off-line analysis subsystem, realize parallel communications; Said safety on line stablizes early warning and aid decision-making system comprises information Control processing device; Said information Control is handled device and is connected with said router;
Said Real Time Digital Simulator RTDS and said information Control are handled between the device through Ethernet and are adopted communication protocol DNP3.0 to accomplish the data communication based on the WAN/LAN of ICP/IP protocol.
Said information Control is handled device said safety on line is stablized early warning and aid decision-making system and said Real Time Digital Simulator RTDS distribution network address; After said then information Control processing device will carry out the formative conversion of data message from the data that said Real Time Digital Simulator RTDS obtains; Pass to said data storage subsystem etc. through router; Said safety on line is stablized decision-making file that early warning and aid decision-making system obtain and is passed to said information Control and handle device after will analyzing; Through an inverse conversion, realized that said safety on line stablizes early warning and communicate by letter with said Real Time Digital Simulator RTDS with aid decision-making system, and formed closed-loop system.
Wherein information Control is handled device for the distribution of the network address and the information source address and the destination address of communicating by letter when being connected purpose and being that explicit data is communicated by letter, and Real Time Digital Simulator RTDS and safety on line are stablized early warning and aid decision-making system and set up SOCKET based on ICP/IP protocol and communicate by letter and be connected.When information Control was handled device to Real Time Digital Simulator RTDS solicited status data, the communication card GTNET card IP address of Real Time Digital Simulator RTDS was as source address, and information Control main website IP address is as destination address; When the information Control main website when Real Time Digital Simulator RTDS sends the decision information data, information Control main website IP address is as source address, the communication card GTNET card IP address of Real Time Digital Simulator RTDS is as destination address.
As shown in Figure 4, be the format chart of DNP3.0 stipulations.The encapsulation of DNP3.0 formatted data information with resolve that data type comprises emulation mode amount and switching signal controlled quentity controlled variable when Real Time Digital Simulator RTDS and safety on line are stablized early warning and aid decision-making system communication; The work that the DNP3.0 protocol encapsulation is accomplished mainly is data set is dressed up the DNP3.0 rule schemata and to carry out in network, transmitting after the packing data with ICP/IP protocol according to the demand of source station in the real data reciprocal process, and the groundwork that the DNP3.0 protocol analysis is accomplished is that the data message of transmission through network arrives the demand data information of specifying behind the point of destination DNP3.0 data in the packet and extracts.
Said Real Time Digital Simulator RTDS comprises IRC card, GTNET card and the GPC card of at least one of parallel connection; The GPC card parallel connection of n (n is an integer) and mutually after the intercommunication is passed to said IRC card with the signal of handling, and said IRC card is passed to said GTNET card after with signal Processing; Said GTNET card is passed to said information Control with signal and is handled device.
Said safety on line stablizes early warning and aid decision-making system can adopt the WARMAP system.
The data process subsystem that links to each other with router of present embodiment, parallel computation subsystem, data storage subsystem, man-machine interaction subsystem, information issue subsystem and off-line analysis subsystem are all realized its function through server and corresponding program.
To the verification platform of present embodiment, present embodiment provides a kind of test method of correspondence, and said method comprises the steps:
(1) the status data information of said Real Time Digital Simulator RTDS electric power system model that emulation is obtained is passed to said safety on line through Ethernet and is stablized the said information Control of early warning and aid decision-making system and handle device;
The information Control that Real Time Digital Simulator RTDS and safety on line are stablized early warning and aid decision-making system is handled between the device through Ethernet and is adopted communication protocol DNP3.0 to accomplish the data communication based on the WAN/LAN of ICP/IP protocol.
(2) said information Control processing device is handled according to the said data message that the network address of distributing will receive, and passes to said data storage subsystem, stores and information processing;
Wherein:
Information Control is handled device reception data and is comprised the steps (as shown in Figure 2):
1. the GTNET card of said Real Time Digital Simulator RTDS is connected with the SCOKET that said information Control processing device is set up based on TCP/IP; Said information Control is handled device and is sent specification signal (the for example magnitude of voltage of certain point, current value or merit angle value etc. among the RTDS to said Real Time Digital Simulator RTDS; Its parameter value is a designated parameter, and specification signal is confirmed according to decision system) request of data;
2. said Real Time Digital Simulator RTDS receives to send after the request of data and confirms to answer and send carrying out network after the specific data encapsulation;
3. said information Control is handled and is confirmed to answer after device receives said data.
Information Control processing device is handled data message and is comprised the steps:
< 1>said information Control processing device becomes said safety on line to stablize early warning and aid decision-making system recognition data form said real-time power network status data information translation through calling external function, and the data that are converted to are write corresponding file;
< 2>said safety on line is stablized early warning and aid decision-making system and is called and carry database functions and read above-mentioned data file.
(3) said safety on line is stablized early warning and aid decision-making system is analyzed and calculated said data message, the decision information that draws is handled device through said information Control feed back to said Real Time Digital Simulator RTDS;
It comprises the steps:
A) said safety on line is stablized early warning and aid decision-making system and earlier database is refreshed, and calls the decision information that computational analysis is obtained from tape function again and generates the decision-making file;
B) said information Control is handled device and from the above-mentioned decision-making file that obtains, is extracted in the Real Time Digital Simulator RTDS model and need the data updated parameter through calling external function.And issue said Real Time Digital Simulator RTDS after its format conversion become the discernible form of real-time digital device RTDS;
(4) said Real Time Digital Simulator RTDS revises the designated parameter in the electric power system model according to decision information.
It comprises the steps:
I) the GTNET card of said Real Time Digital Simulator RTDS and said information Control are handled the SCOKET that device sets up based on TCP/IP and are connected, and the information Control main website obtains the network address of Real Time Digital Simulator RTDS and decision information is carried out the network transmission after by the encapsulation of DNP3.0 stipulations;
Return success after the GTNET card receiver DNP3.0 formatted data of ii) said Real Time Digital Simulator RTDS to receive and answer;
The said DNP3.0 formatted data that the GTNET card of iii) said Real Time Digital Simulator RTDS will be received is through obtaining the decision-making data of demand after resolving;
Iv) said Real Time Digital Simulator RTDS revises the designated parameter in the electric power system model according to said decision-making online data.
According to the amended POWER SYSTEM STATE data of step (4), it can carry out secondary revision or repeatedly revision in circulation step (1)-step (4).
Information Control processing device and its intercommunication flow process of Real Time Digital Simulator RTDS of present embodiment are as shown in Figure 2, and among the figure, information Control is handled device inside need carry out packet parsing and message encapsulation to the data that passed; Information Control handles device and safety on line is stablized early warning and the aid decision-making system communication process is as shown in Figure 3; To sum up tell, it all is to handle device through information Control to accomplish data layout and transform, and realizes that Real Time Digital Simulator RTDS and safety on line stablize communicating by letter between early warning and the aid decision-making system.
The present invention is through setting up the accurate model of electric system in Real Time Digital Simulator RTDS; Make the reflection electric system virtual condition of the real result that its emulation obtains; Simultaneously safety on line is stablized early warning and aid decision-making system and Real Time Digital Simulator RTDS system and connect into the physics closed loop through Ethernet; Solved real-time power network data acquisition difficulty in carrying out electricity net safety stable real-time early warning, online aid decision making and coordination defense technique in-depth research through this system; The problem that control strategy can't effectively be verified is for safety on line is stablized early warning and aid decision-making system provides development environment, test and validation environment.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. electric system closed loop verification platform based on Real Time Digital Simulator comprises that Real Time Digital Simulator RTDS and safety on line stablize early warning and aid decision-making system; Said safety on line is stablized early warning and is comprised data process subsystem, parallel computation subsystem, data storage subsystem, man-machine interaction subsystem, information issue subsystem and the off-line analysis subsystem that links to each other with router with aid decision-making system; It is characterized in that said safety on line stablizes early warning and aid decision-making system comprises information Control processing device; Said information Control is handled device and is connected with said router;
Said Real Time Digital Simulator RTDS passes to said safety on line with data through Ethernet and stablizes early warning and aid decision-making system, forms closed-loop system.
2. electric system closed loop verification platform as claimed in claim 1 is characterized in that, said Real Time Digital Simulator RTDS and said information Control are handled and adopted communication protocol DNP3.0 to be used to accomplish the data communication based on the WAN/LAN of ICP/IP protocol between the device.
3. electric system closed loop verification platform as claimed in claim 1 is characterized in that, said information Control is handled device said safety on line is stablized early warning and aid decision-making system and said Real Time Digital Simulator RTDS distribution network address, and communicates.
4. electric system closed loop verification platform as claimed in claim 1; It is characterized in that; Said information Control processing device will be passed to said data storage subsystem through said router after will carrying out the formative conversion of data message from the data that said Real Time Digital Simulator RTDS obtains;
The data that said information Control processing device is stablized early warning and aid decision-making system acquisition from said safety on line carry out passing to said Real Time Digital Simulator RTDS after the formative conversion of data message.
5. electric system closed loop verification platform as claimed in claim 1 is characterized in that, said Real Time Digital Simulator RTDS comprises IRC card, GTNET card and the GPC card of at least one;
After said at least one GPC card intercoms mutually, specification signal is passed to said IRC card, said IRC card is passed to said GTNET card after with signal Processing; Said GTNET card is passed to said information Control with signal and is handled device.
6. electric system closed loop verification platform as claimed in claim 1 is characterized in that said safety on line stablizes early warning and aid decision-making system comprises the WARMAP system.
7. the verification method based on the arbitrary described verification platform of claim 1-6 is characterized in that, said method comprises the steps:
(1) the status data information of said Real Time Digital Simulator RTDS electric power system model that emulation is obtained is passed to said safety on line through Ethernet and is stablized the said information Control of early warning and aid decision-making system and handle device;
(2) said information Control processing device is handled according to the said data message that the network address of distributing will receive, and passes to the said router that said safety on line is stablized early warning and aid decision-making system.
(3) said safety on line is stablized early warning and aid decision-making system is analyzed and calculated said data message, the decision information that draws is handled device through said information Control feed back to said Real Time Digital Simulator RTDS;
(4) said Real Time Digital Simulator RTDS revises the designated parameter in the electric power system model according to decision information.
8. verification method as claimed in claim 7 is characterized in that, the said information Control of step (2) is handled device reception data and comprised the steps:
1. the GTNET card of said Real Time Digital Simulator RTDS is connected with the SCOKET that said information Control processing device is set up based on TCP/IP, and said information Control is handled device sends request of data from specification signal to said Real Time Digital Simulator RTDS;
2. said Real Time Digital Simulator RTDS receives to send after the request of data and confirms to answer and send carrying out network after the specific data encapsulation;
3. said information Control is handled and is confirmed to answer after device receives said data.
9. verification method as claimed in claim 7 is characterized in that, the said information Control processing of step (2) device is handled data message and comprised the steps:
< 1>said information Control processing device becomes said safety on line to stablize early warning and aid decision-making system recognition data form said real-time power network status data information translation through calling external function, and the data that are converted to are write corresponding file;
< 2>said safety on line is stablized early warning and aid decision-making system and is called database functions and read above-mentioned data file.
10. verification method as claimed in claim 7 is characterized in that, step (3) comprises the steps:
A) said safety on line is stablized the decision information that early warning and aid decision-making system call function obtain computational analysis and is generated the decision-making file;
B) said information Control is handled device and from the above-mentioned decision-making file that obtains, is extracted in the Real Time Digital Simulator RTDS model and need the data updated parameter through calling external function.
11. verification method as claimed in claim 7 is characterized in that, step (4) comprises the steps:
I) the GTNET card of said Real Time Digital Simulator RTDS and said information Control are handled the SCOKET that device sets up based on TCP/IP and are connected, and the information Control main website obtains the network address of Real Time Digital Simulator RTDS and decision information is carried out the network transmission after by the encapsulation of DNP3.0 stipulations;
Return success after the GTNET card receiver DNP3.0 formatted data of ii) said Real Time Digital Simulator RTDS to receive and answer;
The said DNP3.0 formatted data that the GTNET card of iii) said Real Time Digital Simulator RTDS will be received is through obtaining the decision-making data of demand after resolving;
Iv) said Real Time Digital Simulator RTDS revises the designated parameter of said POWER SYSTEM STATE data according to said decision-making online data.
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