CN103051065B - The distributed FA interlock method of testing of a kind of power distribution automation and system - Google Patents
The distributed FA interlock method of testing of a kind of power distribution automation and system Download PDFInfo
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Abstract
The present invention relates to power distribution automation distributed FA interlock method of testing, comprising: main website issues the configuration parameter of relay protection tester, relay protection tester sends voltage and current signal and gathers for it to distributed FA terminal; Start test, distributed FA terminal is judged fault, remote measure and communication value is reported to main website after collecting abnormal current change; After main website receives abnormal remote measure and communication value, control relay protection tester and send remote signal extremely for simulating the switch analogue means of on-pole switch; Switch analogue means according to after the remote signal action received, through distributed FA terminal to the information after main website feedback processing.The invention also discloses a kind of power distribution automation distributed FA interlock test macro.The present invention, without the need to line outage, provides fault simulation signal directly to FA equipment, and avoiding affects the normal operation of primary equipment safety in the debugging on electrical power distribution automatization system, and test process is more fast simple and clear.
Description
Technical field
The present invention relates to power distribution network field tests, the distributed FA interlock method of testing of especially a kind of power distribution automation and system.
Background technology
In power distribution automation equipment, terminal equipment is as distributed FA(Feeder Automation-feeder automation) test be the technical assignment that most important, workload is huge.Intelligent distributed FA project is after Installation and Debugging complete, and need further to test the troubleshooting function of FA, object is the correctness in order to check configuration parameter.The current method of testing generally taked is: a line outage of loop of being powered by FA, and with protective relaying device loading simulation fault current on corresponding measurement point, during load fault electric current, the personnel of each point carry out synchronously with intercom.The advantage of this conventional method is, can direct control switchgear, more presses close to real working condition.But shortcoming is also apparent, needs line outage in test process, loading current needs to be undertaken synchronously by manually propagandaing directed to communicate, and is difficult to the success rate ensureing disposable test, does not also represent test process intuitively.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of without the need to line outage, provides the power distribution automation of fault simulation signal distributed FA interlock method of testing directly to FA equipment.
For achieving the above object, the utility model have employed following technical scheme: a kind of power distribution automation distributed FA interlock method of testing, and the method comprises the step of following order:
(1) main website issues the configuration parameter of relay protection tester, and relay protection tester sends voltage and current signal and gathers for it to distributed FA terminal;
(2) start test, distributed FA terminal is judged fault, remote measure and communication value is reported to main website after collecting abnormal current change;
(3), after main website receives abnormal remote measure and communication value, control relay protection tester and send remote signal extremely for simulating the switch analogue means of on-pole switch;
(4) switch analogue means is according to after the remote signal action received, through distributed FA terminal to the information after main website feedback processing.
Before the test begins, first the network topological diagram connection line in main website draws, provide the Mathematical Modeling that correspond to configuration parameter needed for relay protection tester, according to kirchhoff electric current principle, association between feeder current, load current and fault current is generated out automatically, determines the configuration parameter of relay protection tester.
Described main website provides remote signalling No. three in an orderly manner by distributed FA terminal control relay protection tester, utilizes ethernet communication Channel Exchange data, complete digital simulation work between three remote signalling number that relay protection tester produces and main website.
Described main website be provided for representing circuit ruuning situation, distributed FA terminal processing procedure and control the human-computer interaction interface of distributed FA termination function test process, user carries out confirmation process by human-computer interaction interface.
Another object of the present invention is to provide a kind of power distribution automation distributed FA interlock test macro, comprise multiple distributed FA terminal, also comprise the relay protection tester be connected with the input/output terminal of distributed FA terminal, the output of relay protection tester is connected with the input of switch analogue means, and the output of switch analogue means is connected with the input of distributed FA terminal.
Described distributed FA terminal is by Ethernet and main website communication.
The described number of distributed FA terminal and the number one_to_one corresponding of relay protection tester.
Module when also comprising for carrying out synchronous GPS couple to the time, its output is connected with the input of relay protection tester.
As shown from the above technical solution, the present invention connects relay protection tester in distributed FA terminal, by the generation of the true fault at relay protection tester simulation distribution scene, complete the reporting of fault, assign process and feedback, tested main website, communication equipment, distributed FA terminal and switch analogue means etc. are intactly carried out closed loop test, is detected the correctness of the cooperation between each equipment and the logical process after fault is occurred by this process.The present invention, without the need to line outage, provides fault simulation signal directly to FA equipment, and avoiding affects the normal operation of primary equipment safety in the debugging on electrical power distribution automatization system, and test process is more fast simple and clear.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of distributed FA terminal and main website in the present invention;
Fig. 2 is the system configuration schematic diagram in the present invention;
Fig. 3 is equivalent topologies structural representation;
Fig. 4 is workflow diagram of the present invention.
Embodiment
A kind of power distribution automation distributed FA interlock method of testing, the method comprises the step of following order: (1) main website issues the configuration parameter of relay protection tester, and relay protection tester sends voltage and current signal and gathers for it to distributed FA terminal; (2) start test, distributed FA terminal is judged fault, remote measure and communication value is reported to main website after collecting abnormal current change; (3), after main website receives abnormal remote measure and communication value, control relay protection tester and send remote signal extremely for simulating the switch analogue means of on-pole switch; (4) switch analogue means is according to after the remote signal action received, through distributed FA terminal to the information after main website feedback processing.As shown in Figure 2,4.
As shown in Figure 4, before the test begins, first the network topological diagram connection line in main website draws, provide the Mathematical Modeling that correspond to configuration parameter needed for relay protection tester, according to kirchhoff electric current principle, association between feeder current, load current and fault current is generated out automatically, determines the configuration parameter of relay protection tester.Described main website provides remote signalling No. three in an orderly manner by distributed FA terminal control relay protection tester, utilizes ethernet communication Channel Exchange data, complete digital simulation work between three remote signalling number that relay protection tester produces and main website.Described main website be provided for representing circuit ruuning situation, distributed FA terminal processing procedure and control the human-computer interaction interface of distributed FA termination function test process, user carries out confirmation process by human-computer interaction interface.
As shown in Figure 2, native system comprises multiple distributed FA terminal, also comprise the relay protection tester be connected with the input/output terminal of distributed FA terminal, the output of relay protection tester is connected with the input of switch analogue means, and the output of switch analogue means is connected with the input of distributed FA terminal.Described distributed FA terminal is by Ethernet and main website communication.The described number of distributed FA terminal and the number one_to_one corresponding of relay protection tester.Module when also comprising for carrying out synchronous GPS couple to the time, its output is connected with the input of relay protection tester.
Be illustrated in figure 1 the system composition of distributed FA on distribution line, each distributed FA terminal gathers the ruuning situation of corresponding on-pole switch, as electric current, voltage, power and switch current location, energy storage performance etc., and above-mentioned information is sent to main website through communication network.When fault occurs, distributed FA terminal is according to the fault current information collected, decompression information and on off state, according to resident exception handles, send separating brake locking order or separating brake order by communication network to adjacent distributed FA terminal, and receive the related command of adjacent distributions formula FA terminal transmission.
Each distributed FA terminal to be out of order section according to the order independent judgment that the fault message of self and other distributed FA terminal of receiving send, send out operational order on the spot, realize fault location, isolation and restoring power supply in non-broken-down section, this process does not control by the distribution network automated control centre in any distant place, completed alone by distributed FA terminal, the communication now between the distribution network automated control centre in a distant place and distributed FA terminal is in resting state.When the operational mode adjustment of power distribution network, first calculate each setting parameter value after topological structure of electric change by artificial or Computer, then by the main website in a distant place, these parameters are handed down to distributed FA terminal, refresh original definite value.
As shown in Figure 2, in order to the ability of the fault distinguishing of test distributed distribution terminal and Fault Isolation, self-healing, need to apply fault current to the distribution terminal of each website in electric power system.Because primary fault electric current is not easily simulated, first intend at each site configuration relay protection tester, fault current is applied to distribution terminal.Because fault distinguishing, isolation and self-healing are very high to the requirement of time precision, namely at a time some relay protection testers need to export fault current simultaneously, therefore require every platform relay protection tester all GP configuring S couple time module.
Below in conjunction with Fig. 2,3,4 the present invention is further illustrated.
1, primary equipment fault simulation process
Before the test begins, first in main website, topology diagram is drawn, as shown in Figure 3, the load point in equivalent topologies structure is F1, F2, F3...FN.There is system topological figure, just can provide corresponding Mathematical Modeling, this Mathematical Modeling correspond to the parameter of the required configuration of relay protection tester, according to kirchhoff electric current principle, automatically generates out by the association between feeder current, load current and fault current.
When specifically testing, first three distant binding posts of operating for scene distributed FA terminal are directly pulled out, change the another set of terminal that relay protection tester carefully connects the wire in advance, the voltage and current signal provided with relay protection tester is replaced on-the-spot signal and is gathered to distributed FA terminal.Without the need to carrying out power failure operation to primary equipment in test process, the mode of directly changing terminal avoids the generation of the problems such as mis-wired, very safe.
2, terminal fault differentiates and message up sending process
Distributed FA terminal is judged fault, remote measure and communication value is reported to main website simultaneously after collecting abnormal current change.Main website provides remote signalling No. three in an orderly manner by distributed FA terminal control relay protection tester.
3, main website and human-computer interaction interface processing procedure
After main website receives abnormal remote measurement and remote signalling, distribution system analysis function and Intelligent treatment function produce response screen or handling process, after human-computer interaction interface, obtain the confirmation process of technical staff, control relay protection tester and send remote signal extremely for simulating the switch analogue means of on-pole switch.
Main website provides comprehensive human-computer interaction interface, the clear ruuning situation representing circuit, the processing procedure of distributed FA terminal, and controls the process of distributed FA termination function test.
4, information feed back process
Switch analogue means, according to after the remote signal action received, through distributed FA terminal to the information after main website feedback processing, forms complete event handling flow process.
In sum, the present invention connects relay protection tester in distributed FA terminal, by the generation of the true fault at relay protection tester simulation distribution scene, complete the reporting of fault, assign process and feedback, tested main website, communication equipment, distributed FA terminal and switch analogue means etc. are intactly carried out closed loop test, is detected the correctness of the cooperation between each equipment and the logical process after fault is occurred by this process.The present invention, without the need to line outage, provides fault simulation signal directly to FA equipment, and avoiding affects the normal operation of primary equipment safety in the debugging on electrical power distribution automatization system, and test process is more fast simple and clear.
Claims (8)
1. a power distribution automation distributed FA interlock method of testing, the method comprises the step of following order:
(1) main website issues the configuration parameter of relay protection tester, and relay protection tester sends voltage and current signal and gathers for it to distributed FA terminal;
(2) start test, distributed FA terminal is judged fault, remote measure and communication value is reported to main website after collecting abnormal current change;
(3), after main website receives abnormal remote measure and communication value, control relay protection tester and send remote signal extremely for simulating the switch analogue means of on-pole switch;
(4) switch analogue means is according to after the remote signal action received, through distributed FA terminal to the information after main website feedback processing.
2. power distribution automation according to claim 1 distributed FA interlock method of testing, it is characterized in that: before the test begins, first the network topological diagram connection line in main website draws, provide the Mathematical Modeling that correspond to configuration parameter needed for relay protection tester, according to kirchhoff electric current principle, association between feeder current, load current and fault current is generated out automatically, determines the configuration parameter of relay protection tester.
3. power distribution automation according to claim 1 distributed FA interlock method of testing, it is characterized in that: described main website provides remote signalling No. three in an orderly manner by distributed FA terminal control relay protection tester, utilize ethernet communication Channel Exchange data between three remote signalling number that relay protection tester produces and main website, complete digital simulation work.
4. power distribution automation according to claim 1 distributed FA interlock method of testing, it is characterized in that: described main website be provided for representing circuit ruuning situation, distributed FA terminal processing procedure and control the human-computer interaction interface of distributed FA termination function test process, user carries out confirmation process by human-computer interaction interface.
5. implement the claims the system of the power distribution automation distributed FA interlock method of testing in 1 to 4 described in any one, comprise multiple distributed FA terminal, it is characterized in that: also comprise the relay protection tester be connected with the input/output terminal of distributed FA terminal, the output of relay protection tester is connected with the input of switch analogue means, and the output of switch analogue means is connected with the input of distributed FA terminal.
6. system according to claim 5, is characterized in that: described distributed FA terminal is by Ethernet and main website communication.
7. system according to claim 5, is characterized in that: the described number of distributed FA terminal and the number one_to_one corresponding of relay protection tester.
8. system according to claim 5, is characterized in that: module when also comprising for carrying out synchronous GPS couple to the time, its output is connected with the input of relay protection tester.
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Address after: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee after: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee after: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: HKUST intelligent IOT Technology Co.,Ltd. Address before: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee before: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee before: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: Anhui University of science and technology intelligent IOT Technology Co.,Ltd. Address after: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee after: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee after: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: HKUST intelligent Internet of things Technology Co.,Ltd. Address before: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee before: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee before: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: HKUST intelligent IOT Technology Co.,Ltd. Address after: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee after: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee after: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: Anhui University of science and technology intelligent IOT Technology Co.,Ltd. Address before: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee before: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee before: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: ANHUI CSG INTELLIGENT LOGISTICS SYSTEM Co.,Ltd. |
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Effective date of registration: 20211012 Address after: No. 5111, Wangjiang West Road, Hefei, Anhui, Anhui Patentee after: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee after: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 230088 No. 612-1 Huangshan Road, Hefei High-tech Zone, Anhui Province Patentee before: CSG SMART ELECTRIC TECHNOLOGY Co.,Ltd. Patentee before: CSG SMART SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: HKUST intelligent Internet of things Technology Co.,Ltd. |
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