CN105676157A - WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method - Google Patents
WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method Download PDFInfo
- Publication number
- CN105676157A CN105676157A CN201410665908.4A CN201410665908A CN105676157A CN 105676157 A CN105676157 A CN 105676157A CN 201410665908 A CN201410665908 A CN 201410665908A CN 105676157 A CN105676157 A CN 105676157A
- Authority
- CN
- China
- Prior art keywords
- low
- wams
- frequency oscillation
- electricity
- transmission line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
The invention discloses a WAMS low-frequency oscillation identification function test system and a WAMS low-frequency oscillation identification function test method. The test system comprises an IEEE three-machine nine-node system which is built on a real-time digital simulator RTDS and used for simulating the running state of a power system under a preset low-frequency oscillation event, and a wide-area measurement system WAMS which includes multiple PMUs (Phasor Measurement Unit) and a master station system. The PMUs are connected with the three-machine nine-node system and the master station system, and are used for collecting dynamic phasor data of the simulated power system and uploading the dynamic phasor data to the master station system. The master station system is used for receiving the dynamic phasor data and analyzing the dynamic phasor data to identify the low-frequency oscillation event of the power system. The result of the master station system's analysis of the dynamic phasor data is collated with the preset low-frequency oscillation event to determine the performance of the low-frequency oscillation identification function of the WAMS. With the system and the method of the invention, the low-frequency oscillation identification function of the WAMS can be tested.
Description
Technical field
The present invention relates to grid safety monitoring technical field, particularly to the test system and method for a kind of WAMS low-frequency oscillation recognition function.
Background technology
WAMS (Wide-areaMeasurementSystem, WAMS) lay particular emphasis on the measurement of quantity of state, the data measured are towards the overall situation, and accurately unify to coordinate at the same time, achieve the dynamic monitoring of wide area power system, provide important technological means for grid safety monitoring. Based on the measurement data of WAMS, can be applicable to the senior application aspect such as online Low Frequency Oscillation Analysis, admixture estimation, angle stability prediction, fault localization, wide area protection.
The existing system that the function of WAMS is tested is the dynamic simulation test system building wide area dynamic security monitoring system at dynamic simulation laboratory, as shown in Figure 1, this system is made up of three parts: the main website data platform system being made up of data concentrator, with the synchronous phasor measurement unit PMU substation system being core, and analysis center be made up of a series of online, off line data analysis software kits stands advanced application system. Substation system is for measuring the synchronized phasor data of electrical network in real time, and is uploaded to main station system; Main station system is installed on whole nation control centre, for receiving, store, forward and process the synchronized phasor data that substation system is uploaded; The function of WAMS, by applying the synchronized phasor data that main station system receives and processes, is tested by analysis center's station advanced application system. Realize clock by global position system GPS between substation system and main station system to synchronize. Based on this system, the basic function of WAMS can only be tested, as to electromotor built-in potential electric measurement algorithm, main station system phasor shows and historical data is recollected analysis, disturbance trigger recording etc. and tested, and can not carry out testing to the low-frequency oscillation recognition function of WAMS and analyze.
Summary of the invention
Embodiments provide a kind of WAMS low-frequency oscillation recognition function test system, it is possible to the low-frequency oscillation recognition function of WAMS is tested, including:
IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system, described IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system is built on real-timedigital simulation device RTDS, for simulating power system running status under default low-frequency oscillation event;
WAMS WAMS, described WAMS include multiple synchronous phasor measuring device PMU and main station system;
Described PMU and IEEE three machine Psychotria rubra (Lour.) Poir. dot system and main station system connect, and are used for the Dynamic Phasors data gathering in the power system of simulation; Described Dynamic Phasors data are uploaded to described main station system;
Described main station system, for receiving described Dynamic Phasors data, and analyze described Dynamic Phasors data to identify the low-frequency oscillation event of power system, the analysis result of described Dynamic Phasors data is used for checking with preset low-frequency oscillation event by described main station system, determines the performance of the low-frequency oscillation recognition function of described WAMS WAMS.
In one embodiment, described IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model includes: the first electromotor G1, the second electromotor G2, the first transformator T1, the second transformator T2, the 3rd transformator T3, the first transmission line of electricity L1, the second transmission line of electricity L1, the 3rd transmission line of electricity L1, the 4th transmission line of electricity L1, the 5th transmission line of electricity L1, the 6th transmission line of electricity L6; The plurality of PMU includes a PMU, the 2nd PMU, the 3rd PMU and the four PMU;
First electromotor G1, the first transformator T1, the first transmission line of electricity L1 and the second transmission line of electricity L2 are sequentially connected in series;
Second electromotor G2, the second transformator T2, the 3rd transmission line of electricity L3 and the four transmission line of electricity L4 are sequentially connected in series;
After second transmission line of electricity L2 and the four transmission line of electricity L4 parallel connection, connect with the 3rd transformator T3;
3rd transformator T3 connects with Infinite bus system;
The bus between bus and the 5th transmission line of electricity L5 and the six transmission line of electricity L6 between bus between first transmission line of electricity L1 and the second transmission line of electricity L2, the 3rd transmission line of electricity L3 and the four transmission line of electricity L4 is all connected with local load;
The PMU in WAMS WAMS it is connected between Infinite bus system with the 3rd transformator T3;
It is connected to the 2nd PMU in WAMS WAMS between second transmission line of electricity L2 and the four transmission line of electricity L4;
It is connected to the 3rd PMU in WAMS WAMS between first transmission line of electricity L1 and the five transmission line of electricity L5;
It is connected to the 4th synchronous phasor measuring device PMU in WAMS WAMS between 3rd transmission line of electricity L3 and the six transmission line of electricity L6.
In one embodiment, described main station system includes global position system GPS, the network switch, the preposition communication server, WAMS server;
Described global position system GPS, for stamping markers for the PMU Dynamic Phasors data gathered;
The described network switch, is used for forming communication Ethernet, connects the preposition communication server, WAMS server, GPS and PMU;
The described preposition communication server, for the data communication between main station system and PMU, and the Dynamic Phasors data uploaded by the PMU of reception are forwarded to WAMS server;
Described WAMS server, for receiving and store the Dynamic Phasors data that the preposition communication server forwards, and analyzes the low-frequency oscillation event of described Dynamic Phasors data identification power system.
In one embodiment, described main station system also includes the network printer, maintenance work station;
The described network printer, prints the described main station system analysis result to described Dynamic Phasors data for online;
Described maintenance work station, for safeguarding the properly functioning of main station system.
The test system embodiments providing a kind of WAMS of utilization low-frequency oscillation recognition function carries out the method for testing of WAMS low-frequency oscillation recognition function, it is possible to the low-frequency oscillation recognition function of WAMS is tested, including:
Power system running status under default low-frequency oscillation event is simulated by IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system;
Gathered the Dynamic Phasors data in the power system of the simulation that IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system is simulated by PMU, and Dynamic Phasors data are uploaded to main station system;
Receive described Dynamic Phasors data by main station system, and analyze described Dynamic Phasors data to identify the low-frequency oscillation event of power system;
The analysis result of described Dynamic Phasors data is checked with a default low-frequency oscillation event by described main station system, determines the performance of the low-frequency oscillation recognition function of WAMS WAMS according to checked result.
In one embodiment, when default low-frequency oscillation event is microvariations low-frequency oscillation event, including:
There is step but low-frequency oscillation event do not occur in meritorious the exerting oneself arranging electromotor;
Gather the meritorious of electromotor by PMU to exert oneself, and be uploaded to main station system;
Received and analyze meritorious the exerting oneself of the PMU electromotor uploaded by main station system, check whether WAMS WAMS has low-frequency oscillation to alert according to analyzing result.
In one embodiment, when default low-frequency oscillation event is microvariations low-frequency oscillation event, also include:
There is step and low-frequency oscillation event occur in meritorious the exerting oneself arranging electromotor;
Gather the meritorious of electromotor by PMU to exert oneself and low-frequency oscillation frequency, and be uploaded to main station system;
Received and analyze the meritorious of described electromotor to exert oneself and low-frequency oscillation frequency by main station system, check whether WAMS WAMS identifies this low-frequency oscillation event according to analyzing result;
Meritorious exerting oneself what analyze the electromotor of result and real-timedigital simulation device RTDS and low-frequency oscillation frequency contrasts, whether participating in of checking that WAMS WAMS provides occurs the electromotor of low-frequency oscillation, the low-frequency oscillation power swing amplitude of transmission line of electricity and low-frequency oscillation frequency correct.
In one embodiment, when default low-frequency oscillation event is large disturbances low-frequency oscillation event, including:
The parameter of the electromotor of IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model, transformator, transmission line of electricity is set so that when any bar or a plurality of transmission line of electricity tripping, low-frequency oscillation event occurs;
Gather electromotor, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency by PMU, and be uploaded to main station system;
Received and analyze described electromotor, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency by main station system, check whether WAMS WAMS identifies this low-frequency oscillation event according to analyzing result;
Contrasting analyzing result and the electromotor of real-timedigital simulation device RTDS, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency, whether participating in of checking that WAMS WAMS provides occurs the electromotor of low-frequency oscillation, the low-frequency oscillation power swing amplitude of transmission line of electricity and low-frequency oscillation frequency correct.
In the embodiment of the present invention, by the IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system built on real-timedigital simulation device RTDS, simulate power system running status under default low-frequency oscillation event; The Dynamic Phasors data in the power system of simulation are gathered by PMU, and by main station system receiving and analyzing Dynamic Phasors data, as long as the analysis result of Dynamic Phasors data is checked by main station system with a default low-frequency oscillation event, the performance of the low-frequency oscillation recognition function of WAMS WAMS is may determine that according to checked result, thus realizing the performance test of the low-frequency oscillation recognition function to WAMS, being conducive to specification and ensure the reliability and stability of WAMS system high application function, the operational reliability for improving electrical network is significant.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, is not intended that limitation of the invention. In the accompanying drawings:
Fig. 1 is the dynamic simulation test system structure chart of a kind of wide area dynamic security monitoring system that the embodiment of the present invention provides;
A kind of WAMS low-frequency oscillation recognition function test system structure figure that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is a kind of concrete WAMS low-frequency oscillation recognition function test system structure figure that the embodiment of the present invention provides;
Fig. 4 is a kind of IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model schematic that the embodiment of the present invention provides;
Fig. 5 is the method for testing flow chart of a kind of WAMS low-frequency oscillation recognition function that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details. At this, the exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but not as a limitation of the invention.
In embodiments of the present invention, it is provided that the test system of a kind of WAMS low-frequency oscillation recognition function, as in figure 2 it is shown, this system includes:
IEEE (TheInstituteofElectricalandElectronicsEngineers, institute of Electrical and Electronic Engineers) three machine Psychotria rubra (Lour.) Poir. dot systems, it builds on real-timedigital simulation device RTDS, for simulating power system running status under default low-frequency oscillation event;
WAMS WAMS, including multiple synchronous phasor measuring device PMU and main station system;
PMU and IEEE three machine Psychotria rubra (Lour.) Poir. dot system and main station system connect, and are used for the Dynamic Phasors data gathering in the power system of simulation; Dynamic Phasors data are uploaded to main station system;
Main station system, for receiving Dynamic Phasors data, and analyze Dynamic Phasors data to identify the low-frequency oscillation event of power system, the analysis result of Dynamic Phasors data is used for checking with preset low-frequency oscillation event by main station system, determines the performance of the low-frequency oscillation recognition function of WAMS WAMS.
Fig. 3 is a kind of concrete WAMS low-frequency oscillation recognition function test system structure figure that the embodiment of the present invention provides; Wherein, main station system includes global position system GPS, the network switch, the preposition communication server, WAMS server; Global position system GPS, for stamping markers for the PMU Dynamic Phasors data gathered; The network switch, is used for forming communication Ethernet, connects the preposition communication server, WAMS server, GPS and PMU; The preposition communication server, for the data communication between main station system and PMU, and the Dynamic Phasors data uploaded by the PMU of reception are forwarded to WAMS server; WAMS server, for receiving and store the Dynamic Phasors data that the preposition communication server forwards, and analyzes the low-frequency oscillation event of described Dynamic Phasors data identification power system.
Main station system can also include the network printer, maintenance work station; The network printer, for the online described main station system analysis result to described Dynamic Phasors data that prints, or online printing Dynamic Phasors data and curves; Maintenance work station, for safeguarding the properly functioning of main station system, this maintenance work station is PC work station.
When being embodied as, above-mentioned real-timedigital simulation device RTDS (Real-timeDigitalSimulator) can adopt the power system real time data display released by Canada direct current research center, Manitoba, this system is based on the electromagnetic transient in power system theory of computation, adopt the parallel calculating method of multiprocessor, by the suitable task method of salary distribution and communication technology, it is achieved the real-timedigital simulation of power system.Being a kind of be specially designed for the device of Transient Electromagnetic Phenomena in research power system, RSCAD is the software system of RTDS.
Fig. 4 is a kind of IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model schematic that the embodiment of the present invention provides; By running IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model on real-timedigital simulation device RTDS, simulate power system generation low-frequency oscillation, carry out the test of WAMS low-frequency oscillation recognition function software.
As shown in Figure 4, IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model includes: the first electromotor G1, the second electromotor G2, the first transformator T1, the second transformator T2, the 3rd transformator T3, the first transmission line of electricity L1, the second transmission line of electricity L1, the 3rd transmission line of electricity L1, the 4th transmission line of electricity L1, the 5th transmission line of electricity L1, the 6th transmission line of electricity L6; Multiple PMU include a PMU, the 2nd PMU, the 3rd PMU and the four PMU;
First electromotor G1, the first transformator T1, the first transmission line of electricity L1 and the second transmission line of electricity L2 are sequentially connected in series; Second electromotor G2, the second transformator T2, the 3rd transmission line of electricity L3 and the four transmission line of electricity L4 are sequentially connected in series; After second transmission line of electricity L2 and the four transmission line of electricity L4 parallel connection, connect with the 3rd transformator T3; 3rd transformator T3 connects with Infinite bus system;
The bus 8 between bus 6 and the 5th transmission line of electricity L5 and the six transmission line of electricity L6 between bus the 5, the 3rd transmission line of electricity L3 and the four transmission line of electricity L4 between first transmission line of electricity L1 and the second transmission line of electricity L2 is all connected with local load;
Between Infinite bus system with the 3rd transformator T3, (i.e. node 1) is connected the PMU in WAMS WAMS; Between second transmission line of electricity L2 and the four transmission line of electricity L4, (i.e. node 4) are connected to the 2nd PMU in WAMS WAMS; Between first transmission line of electricity L1 and the five transmission line of electricity L5, (i.e. node 7) are connected to the 3rd PMU in WAMS WAMS; Between 3rd transmission line of electricity L3 and the six transmission line of electricity L6, (i.e. node 9) are connected to the 4th synchronous phasor measuring device PMU in WAMS WAMS.
Based on same inventive concept, the embodiment of the present invention additionally provides the method for testing of a kind of WAMS low-frequency oscillation recognition function, as described in the following examples. Owing to the principle of the method for testing solution problem of WAMS low-frequency oscillation recognition function is similar to the test system of WAMS low-frequency oscillation recognition function, therefore the enforcement of the method for testing of WAMS low-frequency oscillation recognition function may refer to the enforcement of the test system of WAMS low-frequency oscillation recognition function, repeats part and repeats no more. Used below, term " unit " or " module " can realize the software of predetermined function and/or the combination of hardware. Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated.
Fig. 5 is a kind of WAMS low-frequency oscillation recognition function method of testing flow chart that the embodiment of the present invention provides; Specifically include:
Power system running status under default low-frequency oscillation event is simulated by IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system;
Gathered the Dynamic Phasors data in the power system of IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system simulation by PMU, and Dynamic Phasors data are uploaded to main station system;
Receive described Dynamic Phasors data by main station system, and analyze described Dynamic Phasors data to identify the low-frequency oscillation event of power system;
The analysis result of described Dynamic Phasors data is checked with a default low-frequency oscillation event by described main station system, determines the performance of the low-frequency oscillation recognition function of WAMS WAMS according to checked result.
In one embodiment, when default low-frequency oscillation event is microvariations low-frequency oscillation event, including:
There is step but low-frequency oscillation event do not occur in meritorious the exerting oneself arranging electromotor (G1 or G2);
Gather the meritorious of electromotor by PMU to exert oneself, and be uploaded to main station system;
Received and analyze meritorious the exerting oneself of the PMU electromotor uploaded by main station system, check whether WAMS WAMS has low-frequency oscillation to alert according to analyzing result.
In one embodiment, when default low-frequency oscillation event is microvariations low-frequency oscillation event, also include:
There is step and low-frequency oscillation event occur in meritorious the exerting oneself arranging electromotor (G1 or G2);
Gather the meritorious of electromotor by PMU to exert oneself and low-frequency oscillation frequency, and be uploaded to main station system;
Received and analyze the meritorious of described electromotor to exert oneself and low-frequency oscillation frequency by main station system, check whether WAMS WAMS identifies this low-frequency oscillation event according to analyzing result;
The electromotor analyzed on result and RTDS meritorious being exerted oneself and low-frequency oscillation frequency contrasts, whether participating in of checking that WAMS WAMS provides occurs the electromotor of low-frequency oscillation, the low-frequency oscillation power swing amplitude of transmission line of electricity and low-frequency oscillation frequency correct.
In one embodiment, when default low-frequency oscillation event is large disturbances low-frequency oscillation event, including:
The parameter of the electromotor of IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model, transformator, transmission line of electricity is set so that when any bar transmission line of electricity (L1～L4) or a plurality of transmission line of electricity tripping, low-frequency oscillation event occurs;
Gather electromotor, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency by PMU, and be uploaded to main station system;
Received and analyze described electromotor, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency by main station system, check whether WAMS WAMS identifies this low-frequency oscillation event according to analyzing result;
The electromotor analyzed on result and RTDS, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency being contrasted, whether participating in of checking that WAMS WAMS provides occurs the electromotor of low-frequency oscillation, the low-frequency oscillation power swing amplitude of transmission line of electricity and low-frequency oscillation frequency correct.
In sum, by the IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system built on real-timedigital simulation device RTDS, simulate power system running status under default low-frequency oscillation event; The Dynamic Phasors data in the power system of simulation are gathered by PMU, and by main station system receiving and analyzing Dynamic Phasors data, as long as the analysis result of Dynamic Phasors data is checked by main station system with a default low-frequency oscillation event, the performance of the low-frequency oscillation recognition function of WAMS WAMS is may determine that according to checked result, thus realizing the performance test of the low-frequency oscillation recognition function to WAMS, being conducive to specification and ensure the reliability and stability of WAMS system high application function, the operational reliability for improving electrical network is significant.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the embodiment of the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (8)
1. the test system of a WAMS low-frequency oscillation recognition function, it is characterised in that including:
IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system, described IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system is built on real-timedigital simulation device RTDS, for simulating power system running status under default low-frequency oscillation event;
WAMS WAMS, described WAMS include multiple synchronous phasor measuring device PMU and main station system;
Described PMU and IEEE three machine Psychotria rubra (Lour.) Poir. dot system and main station system connect, and are used for the Dynamic Phasors data gathering in the power system of simulation; Described Dynamic Phasors data are uploaded to described main station system;
Described main station system, for receiving described Dynamic Phasors data, and analyze described Dynamic Phasors data to identify the low-frequency oscillation event of power system, the analysis result of described Dynamic Phasors data is used for checking with preset low-frequency oscillation event by described main station system, determines the performance of the low-frequency oscillation recognition function of described WAMS WAMS.
2. test system as claimed in claim 1, it is characterized in that, described IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model includes: the first electromotor G1, the second electromotor G2, the first transformator T1, the second transformator T2, the 3rd transformator T3, the first transmission line of electricity L1, the second transmission line of electricity L1, the 3rd transmission line of electricity L1, the 4th transmission line of electricity L1, the 5th transmission line of electricity L1, the 6th transmission line of electricity L6; The plurality of PMU includes a PMU, the 2nd PMU, the 3rd PMU and the four PMU;
First electromotor G1, the first transformator T1, the first transmission line of electricity L1 and the second transmission line of electricity L2 are sequentially connected in series;
Second electromotor G2, the second transformator T2, the 3rd transmission line of electricity L3 and the four transmission line of electricity L4 are sequentially connected in series;
After second transmission line of electricity L2 and the four transmission line of electricity L4 parallel connection, connect with the 3rd transformator T3;
3rd transformator T3 connects with Infinite bus system;
The bus between bus and the 5th transmission line of electricity L5 and the six transmission line of electricity L6 between bus between first transmission line of electricity L1 and the second transmission line of electricity L2, the 3rd transmission line of electricity L3 and the four transmission line of electricity L4 is all connected with local load;
The PMU in WAMS WAMS it is connected between Infinite bus system with the 3rd transformator T3;
It is connected to the 2nd PMU in WAMS WAMS between second transmission line of electricity L2 and the four transmission line of electricity L4;
It is connected to the 3rd PMU in WAMS WAMS between first transmission line of electricity L1 and the five transmission line of electricity L5;
It is connected to the 4th synchronous phasor measuring device PMU in WAMS WAMS between 3rd transmission line of electricity L3 and the six transmission line of electricity L6.
3. test system as claimed in claim 1, it is characterised in that described main station system includes global position system GPS, the network switch, the preposition communication server, WAMS server;
Described global position system GPS, for stamping markers for the PMU Dynamic Phasors data gathered;
The described network switch, is used for forming communication Ethernet, connects the preposition communication server, WAMS server, GPS and PMU;
The described preposition communication server, for the data communication between main station system and PMU, and the Dynamic Phasors data uploaded by the PMU of reception are forwarded to WAMS server;
Described WAMS server, for receiving and store the Dynamic Phasors data that the preposition communication server forwards, and analyzes the low-frequency oscillation event of described Dynamic Phasors data identification power system.
4. test system as claimed in claim 3, it is characterised in that described main station system also includes the network printer, maintenance work station;
The described network printer, prints the described main station system analysis result to described Dynamic Phasors data for online;
Described maintenance work station, for safeguarding the properly functioning of main station system.
5. the test system that a kind utilizes described in any one of claim 1 to 4 carries out the method for testing of WAMS low-frequency oscillation recognition function, it is characterised in that including:
Power system running status under default low-frequency oscillation event is simulated by IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system;
Gathered the Dynamic Phasors data in the power system of the simulation that IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system is simulated by PMU, and Dynamic Phasors data are uploaded to main station system;
Receive described Dynamic Phasors data by main station system, and analyze described Dynamic Phasors data to identify the low-frequency oscillation event of power system;
The analysis result of described Dynamic Phasors data is checked with a default low-frequency oscillation event by described main station system, determines the performance of the low-frequency oscillation recognition function of WAMS WAMS according to checked result.
6. method as claimed in claim 5, it is characterised in that when default low-frequency oscillation event is microvariations low-frequency oscillation event, including:
There is step but low-frequency oscillation event do not occur in meritorious the exerting oneself arranging electromotor;
Gather the meritorious of electromotor by PMU to exert oneself, and be uploaded to main station system;
Received and analyze meritorious the exerting oneself of the PMU electromotor uploaded by main station system, check whether WAMS WAMS has low-frequency oscillation to alert according to analyzing result.
7. method as claimed in claim 6, it is characterised in that when default low-frequency oscillation event is microvariations low-frequency oscillation event, also include:
There is step and low-frequency oscillation event occur in meritorious the exerting oneself arranging electromotor;
Gather the meritorious of electromotor by PMU to exert oneself and low-frequency oscillation frequency, and be uploaded to main station system;
Received and analyze the meritorious of described electromotor to exert oneself and low-frequency oscillation frequency by main station system, check whether WAMS WAMS identifies this low-frequency oscillation event according to analyzing result;
Meritorious exerting oneself what analyze the electromotor of result and real-timedigital simulation device RTDS and low-frequency oscillation frequency contrasts, whether participating in of checking that WAMS WAMS provides occurs the electromotor of low-frequency oscillation, the low-frequency oscillation power swing amplitude of transmission line of electricity and low-frequency oscillation frequency correct.
8. method as claimed in claim 5, it is characterised in that when default low-frequency oscillation event is large disturbances low-frequency oscillation event, including:
The parameter of the electromotor of IEEE tri-machine Psychotria rubra (Lour.) Poir. dot system model, transformator, transmission line of electricity is set so that when any bar or a plurality of transmission line of electricity tripping, low-frequency oscillation event occurs;
Gather electromotor, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency by PMU, and be uploaded to main station system;
Received and analyze described electromotor, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency by main station system, check whether WAMS WAMS identifies this low-frequency oscillation event according to analyzing result;
Contrasting analyzing result and the electromotor of real-timedigital simulation device RTDS, transformator, the voltage phasor of transmission line of electricity, electric current phasor and low-frequency oscillation frequency, whether participating in of checking that WAMS WAMS provides occurs the electromotor of low-frequency oscillation, the low-frequency oscillation power swing amplitude of transmission line of electricity and low-frequency oscillation frequency correct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665908.4A CN105676157A (en) | 2014-11-19 | 2014-11-19 | WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665908.4A CN105676157A (en) | 2014-11-19 | 2014-11-19 | WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105676157A true CN105676157A (en) | 2016-06-15 |
Family
ID=56945109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410665908.4A Pending CN105676157A (en) | 2014-11-19 | 2014-11-19 | WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105676157A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324544A (en) * | 2016-11-10 | 2017-01-11 | 华北电力科学研究院有限责任公司 | WAMS performance testing system and method based on RTDS |
| CN106443246A (en) * | 2016-09-06 | 2017-02-22 | 山东大学 | Online identification method of small-disturbance stability parameters based on PMU measurement data |
| CN110703092A (en) * | 2019-09-29 | 2020-01-17 | 南方电网科学研究院有限责任公司 | Ultralow-frequency oscillation hydroelectric generating set simulation method and device and storage medium |
| CN111668932A (en) * | 2020-06-11 | 2020-09-15 | 国网山东省电力公司电力科学研究院 | Laboratory synchronous testing system and method for transformer substation total-station PMU device |
| CN111999643A (en) * | 2020-08-07 | 2020-11-27 | 国网浙江省电力有限公司电力科学研究院 | Low-frequency oscillation distinguishing method and system based on power signal of generator |
| CN112505452A (en) * | 2020-11-25 | 2021-03-16 | 东南大学 | Wide-area system broadband oscillation monitoring method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944766A (en) * | 2010-06-01 | 2011-01-12 | 中国电力科学研究院 | Operation and safety monitoring simulation system for power system |
| CN103248047A (en) * | 2013-05-15 | 2013-08-14 | 国家电网公司 | Grid wide area control protecting system |
| CN103529418A (en) * | 2013-10-18 | 2014-01-22 | 国家电网公司 | Method and device for dynamically testing synchronized phasor measurement unit (PMU) in power system |
-
2014
- 2014-11-19 CN CN201410665908.4A patent/CN105676157A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944766A (en) * | 2010-06-01 | 2011-01-12 | 中国电力科学研究院 | Operation and safety monitoring simulation system for power system |
| CN103248047A (en) * | 2013-05-15 | 2013-08-14 | 国家电网公司 | Grid wide area control protecting system |
| CN103529418A (en) * | 2013-10-18 | 2014-01-22 | 国家电网公司 | Method and device for dynamically testing synchronized phasor measurement unit (PMU) in power system |
Non-Patent Citations (4)
| Title |
|---|
| 刘军娜等: "基于RTDS的同步相量测量装置动态数模试验方法研究", 《华北电力技术》 * |
| 张胜等: "相量测量单元性能评价标准和测试方法", 《电力***自动化》 * |
| 肖晋宇等: "电网广域动态安全监测***及其动态模拟试验", 《电网技术》 * |
| 陆进军等: "广域测量***集成测试方案", 《电力***自动化》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443246A (en) * | 2016-09-06 | 2017-02-22 | 山东大学 | Online identification method of small-disturbance stability parameters based on PMU measurement data |
| CN106443246B (en) * | 2016-09-06 | 2019-03-22 | 山东大学 | The on-line identification method of small interference stability parameter based on PMU metric data |
| CN106324544A (en) * | 2016-11-10 | 2017-01-11 | 华北电力科学研究院有限责任公司 | WAMS performance testing system and method based on RTDS |
| CN110703092A (en) * | 2019-09-29 | 2020-01-17 | 南方电网科学研究院有限责任公司 | Ultralow-frequency oscillation hydroelectric generating set simulation method and device and storage medium |
| CN110703092B (en) * | 2019-09-29 | 2022-04-12 | 南方电网科学研究院有限责任公司 | Ultralow-frequency oscillation hydroelectric generating set simulation method and device and storage medium |
| CN111668932A (en) * | 2020-06-11 | 2020-09-15 | 国网山东省电力公司电力科学研究院 | Laboratory synchronous testing system and method for transformer substation total-station PMU device |
| CN111999643A (en) * | 2020-08-07 | 2020-11-27 | 国网浙江省电力有限公司电力科学研究院 | Low-frequency oscillation distinguishing method and system based on power signal of generator |
| CN111999643B (en) * | 2020-08-07 | 2022-07-19 | 国网浙江省电力有限公司电力科学研究院 | Low-frequency oscillation distinguishing method and system based on power signal of generator |
| CN112505452A (en) * | 2020-11-25 | 2021-03-16 | 东南大学 | Wide-area system broadband oscillation monitoring method |
| CN112505452B (en) * | 2020-11-25 | 2024-05-24 | 东南大学 | Wide-band oscillation monitoring method for wide-area system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105676157A (en) | WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method | |
| CN103529418B (en) | Synchronous phase measuring in power system device dynamic testing method and device | |
| CN202720296U (en) | Platform for detecting function and performance of power distribution automatic terminal apparatus | |
| CN209102839U (en) | Movable type cable monitors prior-warning device on-line | |
| Decker et al. | Experience and applications of phasor measurements to the Brazilian interconnected power system | |
| CN105098763A (en) | Transient voltage stable on-line assessment method based on WAMS and EMS | |
| CN104483643A (en) | Modeling method based on detection platform of fault indicator for physical simulation of power distribution network | |
| CN114391106A (en) | System for determining an electrical parameter of an electrical network | |
| CN104374993B (en) | Electricity larceny prevention method and device based on power internet of things and processor | |
| CN204465143U (en) | Distribution line detects and management system | |
| CN110174564A (en) | The filed detection system and its detection method of equipment for monitoring power quality access main website | |
| CN109490806A (en) | A kind of detection method of sensor, system, device and readable storage medium storing program for executing | |
| CN102426309A (en) | Method for testing area spare power automatic switching system in engine room environment of master station | |
| CN206178129U (en) | WAMS capability test system based on RTDS | |
| CN105676013A (en) | System and method for testing unit running status monitoring function of wide-area measurement system | |
| CN105606911A (en) | System and method for testing dynamic monitoring function of wide-area measurement system | |
| CN203929933U (en) | Power grid integrated on-line testing device | |
| CN105637730B (en) | The method of electric system and the direction of energy and/or voltage in control electric system | |
| CN105676061A (en) | System and method for testing disturbance identification function of wide-area measurement system | |
| Kezunovic et al. | Merging PMU, operational, and non-operational data for interpreting alarms, locating faults and preventing cascades | |
| CN107154673B (en) | Comprehensive test platform of intelligent substation | |
| Chintakindi et al. | WAMS challenges and limitations in load modeling, voltage stability improvement, and controlled island protection—a review | |
| CN104215856A (en) | Method for dynamically checking electric energy value of large power grid | |
| CN102508052B (en) | Test method for field band channel operation of automatic bus transfer system of area network | |
| KR101462229B1 (en) | Integrated data merging unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
|
| RJ01 | Rejection of invention patent application after publication |