CN103545923A - Protection method for repairing devices - Google Patents
Protection method for repairing devices Download PDFInfo
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- CN103545923A CN103545923A CN201310438857.7A CN201310438857A CN103545923A CN 103545923 A CN103545923 A CN 103545923A CN 201310438857 A CN201310438857 A CN 201310438857A CN 103545923 A CN103545923 A CN 103545923A
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Abstract
The invention relates to a protection method for repairing devices and belongs to the technical field of relay protection. According to trip GOOSE information of centralized protection devices, automatic switchover between two states is achieved, when trip GOOSE information of two centralized protection devices is normal, an intelligent terminal is in an operation state, namely, a two-to two mode. When trip GOOSE chain of one centralized protection device breaks or repairing state information appears in protected and sent GOOSE, the intelligent terminal switches repairing state, namely, a one-to-to mode. Therefore, by the aid of the protection method, repairing and operating state of the centralized protection devices can be judged, automatic switchover of the two states is achieved, reliability of system operation is improved, and implementation difficulty of maintainers is lowered.
Description
Technical field
The present invention relates to a kind of guard method for repair apparatus, belong to technical field of relay protection.
Background technology
The secondary device of normal procedure intelligent transformer station adopts by interval/element decentralized configuration, ubiquity that device quantity is many, network is complicated, the not high situation of degree of integration, thereby cause that intelligent substation Installed capital cost is high, debugging cycle is long, operation maintenance is loaded down with trivial details and the problem such as device overall failure probability increase, restricted further developing of intelligent substation technology.
Along with the development of computer hardware, the communication technology has promoted the concern of centralized protection and research.At present, centralized protection is applied in part engineering pilot.It is integrated that centralized protection has realized equipment, function, the data height of intelligent substation; the protection of Function-oriented will be changed into towards the protection at interval; the function that realizes the protection of full station, observing and controlling with the data resource enriching is integrated, realizes information resources mutual, predigested running operation.
Centralized protection has realized the integrated of functions of the equipments, although reduced the quantity of equipment, has also produced new problem, and when topmost problem is plant failure or maintenance, coverage is large.GPF (General Protection False device is by arranged spaced; during maintenance, only need this interval out of service; during centralized protection maintenance, affect whole defencive functions; especially for needing the 220kV protection of dual configuration to have increased the time of the single cover operation in interval, this kind of maintenance mode violated relaying protection standard.
In order to solve centralized protection fault or large, the problem that interruption duration lengthens of when maintenance coverage, the repair methods of the two cover configurations of the single net of centralized protection are proposed, by centralized protection and intelligent terminal, realized.The difficulty of implementing in order to reduce maintainer, centralized protection maintenance and running status should be judged and be realized by system the automatic switchover of two states automatically; For maintenance and the centralized protection of operation two states, should not reduce system reliability of operation.
Summary of the invention
The object of this invention is to provide a kind of guard method for repair apparatus, to solve the problem that centralized protection maintenance coverage is large, interruption duration lengthens.
The present invention provides a kind of guard method for repair apparatus for solving the problems of the technologies described above, and the step of this guard method is as follows:
1), according to the GOOSE information of the transmission of two centralized protective devices, judge that whether two centralized protective devices are in inspecting state;
2) if wherein a centralized protective device in inspecting state; make intelligent terminal get a pattern in one; the described pattern of getting refers to that the trip signal realization tripping operation outlet that receives a centralized protective device in non-inspecting state is to open or latch-up protection; otherwise make intelligent terminal get two modes in two, described two get two modes refers to and only after the tripping operation information that receives two centralized protective devices, just realizes tripping operation outlet to open or latch-up protection.
Two described centralized protective devices are connected with intelligent terminal by process-level network.
Described intelligent terminal possesses two groups of tripping operation Egress nodes, and two group nodes are connected in series in trip(ping) circuit, the corresponding centralized protective device of every group node.
The invention has the beneficial effects as follows: the present invention is automatically switched between two states according to the tripping operation GOOSE information of centralized protective device, when the tripping operation GOOSE of two centralized protections information is all normal, intelligent terminal is that run mode two is got two modes; When inspecting state information appears in the GOOSE of centralized trip protection GOOSE chain rupture or protection transmission, intelligent terminal switches maintenance state one gets a pattern.Therefore the present invention can judge the maintenance of centralized protective device and running status, and realizes the automatic switchover of two states, has improved system reliability of operation, and has reduced the difficulty that maintainer implements.
Accompanying drawing explanation
Fig. 1 is centralized protection maintenance scheme schematic diagram in the embodiment of the present invention;
Fig. 2 is that in the embodiment of the present invention, intelligent terminal is got two modes schematic diagram two;
Fig. 3 is that in the embodiment of the present invention, intelligent terminal is got a pattern diagram one;
Fig. 4 is that two kinds of patterns of intelligent terminal are switched schematic diagram.
Embodiment
Kind of the present invention refers to centralized protective device for the equipment of the guard method of repair apparatus; the centralized protective device of two redundancies communicates to connect by process-level network and intelligent terminal; during normal operation, intelligent terminal receives could realize tripping after the tripping operation GOOSE of 2 centralized protective devices and exports to open or latch-up protection; two get two modes; when a centralized protective device need to overhaul, intelligent terminal switches to the trip signal that receives only a protective device and realizes outlet and one get a pattern.
Embodiment
The switching controls of the centralized protection repair method in the present embodiment by intelligent terminal according to protection GOOSE information realization, intelligent terminal configuration two cover Egress nodes, by different GOOSE, controlled respectively, corresponding two the GOOSE passages of two cover protections during engineering application, during operation circuit design, two tripping operation node strings are associated in trip(ping) circuit, to realize by the outlet of two node control circuit breakers, intelligent terminal gets two two, one gets implementation under a pattern as shown in Figures 2 and 3, two get at 2 o'clock by two nodes of two protection control, one gets for the moment by two nodes of a protection control.Intelligent terminal is realized the automatic switchover of two kinds of patterns by judging inspecting state, the chain rupture of the GOOSE information of two protective devices, and concrete state switches as shown in Figure 4.The method comprises the following steps:
1. in the time of need to overhauling a certain centralized protection, first the soft pressing plate of the maintenance of centralized protection is dropped into, now intelligent terminal receives and automatically switches to maintenance model after the GOOSE information of inspecting state and one get a pattern.Now just can to the centralized protection of needs test, carry out dosage test by relay-protection tester, and another centralized protection also normally moves, and does not reduce the reliability of system.
2. after having overhauled, maintenance pressing plate is exited, now intelligent terminal can automatically switch to two by identification GOOSE information and get two modes, recovers the state of normal operation.
3. in service in system, after a certain centralized protection broken down, intelligent terminal is switched to one by judgement GOOSE chain rupture and gets a pattern, automatically that the protective device of fault is out of service, has further improved system reliability of operation.
The present invention is automatically switched between two states according to the tripping operation GOOSE information of centralized protective device, and when the tripping operation GOOSE of two centralized protections information is all normal, intelligent terminal is that run mode two is got two modes; When inspecting state information appears in the GOOSE of centralized trip protection GOOSE chain rupture or protection transmission, intelligent terminal switches maintenance state one gets a pattern.Therefore the present invention can judge the maintenance of centralized protective device and running status, and realizes the automatic switchover of two states, has improved system reliability of operation, and has reduced the difficulty that maintainer implements.
Claims (3)
1. for a guard method for repair apparatus, it is characterized in that, the step of this guard method is as follows:
1), according to the GOOSE information of the transmission of two centralized protective devices, judge that whether two centralized protective devices are in inspecting state;
2) if wherein a centralized protective device in inspecting state; make intelligent terminal get a pattern in one; the described pattern of getting refers to that the trip signal realization tripping operation outlet that receives a centralized protective device in non-inspecting state is to open or latch-up protection; otherwise make intelligent terminal get two modes in two, described two get two modes refers to and only after the tripping operation information that receives two centralized protective devices, just realizes tripping operation outlet to open or latch-up protection.
2. the guard method for repair apparatus according to claim 1, is characterized in that, two described centralized protective devices are connected with intelligent terminal by process-level network.
3. the guard method for repair apparatus according to claim 1 and 2, is characterized in that, described intelligent terminal possesses two groups of tripping operation Egress nodes, and two group nodes are connected in series in trip(ping) circuit, the corresponding centralized protective device of every group node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438857.7A CN103545923B (en) | 2013-09-24 | 2013-09-24 | A kind of guard method for repair apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310438857.7A CN103545923B (en) | 2013-09-24 | 2013-09-24 | A kind of guard method for repair apparatus |
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| CN103545923A true CN103545923A (en) | 2014-01-29 |
| CN103545923B CN103545923B (en) | 2016-08-17 |
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| CN201310438857.7A Expired - Fee Related CN103545923B (en) | 2013-09-24 | 2013-09-24 | A kind of guard method for repair apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734353A (en) * | 2015-03-10 | 2015-06-24 | 江苏省电力公司电力科学研究院 | Intelligent substation hovering fault monitoring method based on network message |
| CN109861395A (en) * | 2019-03-06 | 2019-06-07 | 中国南方电网有限责任公司 | A kind of method of intelligent substation relay protection device state machine dynamic control |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611086A (en) * | 2012-03-27 | 2012-07-25 | 许继集团有限公司 | Centralized protection system and method for region distribution network |
| US20130215765A1 (en) * | 2010-09-19 | 2013-08-22 | Abb Technology Ag | Utility communication method and system |
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2013
- 2013-09-24 CN CN201310438857.7A patent/CN103545923B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130215765A1 (en) * | 2010-09-19 | 2013-08-22 | Abb Technology Ag | Utility communication method and system |
| CN102611086A (en) * | 2012-03-27 | 2012-07-25 | 许继集团有限公司 | Centralized protection system and method for region distribution network |
Non-Patent Citations (1)
| Title |
|---|
| 朱军红等: "基于三网合一的集中式保护及测试", 《电工技术》, 30 April 2013 (2013-04-30), pages 13 - 15 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734353A (en) * | 2015-03-10 | 2015-06-24 | 江苏省电力公司电力科学研究院 | Intelligent substation hovering fault monitoring method based on network message |
| CN104734353B (en) * | 2015-03-10 | 2017-04-26 | 江苏省电力公司电力科学研究院 | Intelligent substation hovering fault monitoring method based on network message |
| CN109861395A (en) * | 2019-03-06 | 2019-06-07 | 中国南方电网有限责任公司 | A kind of method of intelligent substation relay protection device state machine dynamic control |
| CN109861395B (en) * | 2019-03-06 | 2022-06-17 | 中国南方电网有限责任公司 | Method for dynamically controlling state machine of intelligent substation relay protection equipment |
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| CN103545923B (en) | 2016-08-17 |
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