CN101299152A - On-line control method of large electric network consecutive fault and remote place linkage fault - Google Patents
On-line control method of large electric network consecutive fault and remote place linkage fault Download PDFInfo
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- CN101299152A CN101299152A CNA200710135091XA CN200710135091A CN101299152A CN 101299152 A CN101299152 A CN 101299152A CN A200710135091X A CNA200710135091X A CN A200710135091XA CN 200710135091 A CN200710135091 A CN 200710135091A CN 101299152 A CN101299152 A CN 101299152A
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention provides a method for on-line controlling the successive failure of a large electric network and chain failure of different location. The system of the invention comprises a dispatching central station, a main control station, a control substation and a control actuating station. The dispatching central station on-line calculates the control strategy and transmits to the main control station. The main control station takes charge of the determination to the failure of different location and the coordination of the control strategies. The control substation takes charge of the determination and control of the local failure. The control actuating station takes charge of the actuating of the control strategy. The control substation and the control actuating station execute the area control. The main control station executes the control to the failure of different location and coordination of the insufficiency of the area control quantity. The dispatching central station takes charge of the calculation of the on-line control strategy and the coordination of the control strategies between different main control stations. The invention adopts an on-line control framework of ''centralized coordination and layered control''. The determination and control coordination of the successive failure and chain failure of different location are effectively realized. The on-line control to the successive failure of large electric network and chain failure of different locations are realized.
Description
Technical field
The present invention relates to the On-Line Control Method of a kind of large electric network consecutive fault and remote place linkage fault, belong to technical field of power systems.
Background technology
The successive failure of big electrical network and the safety and stability problem that the remote place linkage fault is caused are not simply adding up of the safety and stability problem that causes of single element fault, and its actual consequence often cumulative effects than single element fault is serious.As shown in Figure 1, be existing traditional On-line Control policy distribution and execution schematic flow sheet.No matter existing safety and stability control device is that device adopts the off-line Policy Table, still adopts the strategy of on-line table, and the problem of its solution mainly is static state or the transient safe and stable problem that local N-1 fault causes.Therefore, utilize existing safety and stability control device to implement the successive failure of big electrical network and the control of remote place linkage fault are tended to exist the problem of controlled quentity controlled variable deficiency.Enhancing along with grid contact, zonal electrical network problem is covered by wider electrical network problem gradually, only rely on local single element fault to judge and the regional safety stabilization control system of decision-making can not satisfy the needs of big power network safety operation far away, the On-Line Control Method of studying the successive failure of big electrical network and remote place linkage fault is extremely urgent.
Document " the adaptive system protection method of electric system " (patent No. ZL 95 1 10946.4) has disclosed a kind of implementation method of bringing in constant renewal in the self-adaptation emergency control system of decision table by the electric system actual condition.System condition information that this method is gathered by this locality and that periodically send here from energy management system, with expansion homalographic criterion (EEAC) online definite each forecast failure (symmetry or unbalanced fault, can take into account single-pole reclosing) under the emergency control measure, and deposit decision table in.In case break down, then from table, find out local or regional control measure such as corresponding quick closing valve, cutter, cutting load, off-the-line, and implement these measures by corresponding controller.Its key character is to utilize integrated expansion equal-area method (IEEAC) in electric system, by the online decision table that periodically updates of actual condition, and the adaptive stabilizing control system of under the emergency circumstance, searching decision table and being implemented by the physical fault situation, data acquisition watchdog subsystem by special use, the on-line decision subsystem, control is implemented subsystem and is constituted on the spot or zonal emergency control system, and with the online exchange message of existing energy management system.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the shortcoming of prior art, and a kind of large electric network consecutive fault and the On-Line Control Method of remote place linkage fault are provided.
The technical solution adopted for the present invention to solve the technical problems is as follows: the On-Line Control Method of large electric network consecutive fault and remote place linkage fault, it includes station, dispatching center, controlling center, control sub-station and control actuating station, wherein the station, dispatching center is according to electrical network actual motion state, carry out control strategy in line computation, and be issued to controlling center; Controlling center is responsible for the coordination of strange land failure judgment and control strategy; Control sub-station is responsible for local failure judgment and control; The control actuating station is responsible for the execution of control strategy; Control sub-station and the control of control actuating station execution area, controlling center is carried out the control of strange land fault, and the coordination of Region control quantity not sufficient control, the dispatching center is responsible at the station calculating of On-line Control strategy, and the coordination of the control strategy between the different controlling center.
Beneficial effect of the present invention is as follows: the present invention adopts the On-line Control framework of " concentrate and coordinate; hierarchical control ", by the station, dispatching center is set, controlling center, control sub-station and control actuating station, successive failure and remote place linkage failure judgment and control coordination have been realized effectively: control sub-station and the control of control actuating station execution area, controlling center is carried out the control of strange land fault, and the coordination of Region control quantity not sufficient control, the dispatching center is responsible at the station calculating of On-line Control strategy, and the control strategy between the different controlling centers coordinates, and realized the On-line Control of large electric network consecutive fault and remote place linkage fault.
Description of drawings
Fig. 1 is existing traditional On-line Control policy distribution and carries out schematic flow sheet.
Fig. 2 is the general structure synoptic diagram of concentrated distributed security stabilizing control system of the present invention.
Fig. 3 issues and carries out flow process for the On-line Control strategy.
Fig. 4 stablizes control flow for the remote place linkage fault.
Fig. 5 is that local successive failure is stablized control flow.
Embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the present invention is described in further detail.But the invention is not restricted to given example.
As shown in Figure 2, general structure synoptic diagram for concentrated distributed security stabilizing control system of the present invention, the On-Line Control Method of large electric network consecutive fault of the present invention and remote place linkage fault, it includes station, dispatching center, controlling center, control sub-station and control actuating station, wherein the station, dispatching center is according to electrical network actual motion state, carry out control strategy in line computation, and be issued to controlling center; Controlling center is responsible for the coordination of strange land failure judgment and control strategy; Control sub-station is responsible for local failure judgment and control; The control actuating station is responsible for the execution of control strategy; Control sub-station and the control of control actuating station execution area, controlling center is carried out the control of strange land fault, and the coordination of Region control quantity not sufficient control, the dispatching center is responsible at the station calculating of On-line Control strategy, and the coordination of the control strategy between the different controlling center.
At the On-line Control strategic process of large electric network consecutive fault and remote place linkage fault as shown in Figure 3, system carries out control on the spot by control sub-station, the On-line Control strategy that controlling center issues according to the station, dispatching center, and the control on the spot carried out of control sub-station, whether decision needs to carry out to control sub-station is coordinated control.Simultaneously, controlling center carries out the identification and the strategy matching of the cascading failure in strange land according to the failure message that send on each control sub-station that has under its command, and issues the On-line Control strategy to the control corresponding substation.
As shown in Figure 4, be the control flow synoptic diagram of remote place linkage fault of the present invention.Control sub-station carries out local fault judgement, coupling and the execution of control on the spot on the one hand, on affiliated controlling center, send data on the one hand, comprise service data, failure message, device action information of electrical network etc., controlling center carries out strange land Fault Identification and coupling according to the failure message of each control sub-station, and issue the coordination control of remote place linkage fault to control sub-station, realize the control on the spot of remote place linkage fault and the coordination of On-line Control.
As shown in Figure 5, the control flow synoptic diagram of local successive failure of the present invention.When successive failure has appearred in electrical network, control sub-station is earlier according to the on the spot control of local detection failure execution at single element fault, carry out the judgement of local successive failure simultaneously, the On-line Control strategy that issues according to controlling center issues control to the control actuating station then.
Claims (1)
1, the On-Line Control Method of large electric network consecutive fault and remote place linkage fault, it includes station, dispatching center, controlling center, control sub-station and control actuating station, wherein the station, dispatching center is according to electrical network actual motion state, carry out control strategy in line computation, and be issued to controlling center; Controlling center is responsible for the coordination of strange land failure judgment and control strategy; Control sub-station is responsible for local failure judgment and control; The control actuating station is responsible for the execution of control strategy; Control sub-station and the control of control actuating station execution area, controlling center is carried out the control of strange land fault, and the coordination of Region control quantity not sufficient control, the dispatching center is responsible at the station calculating of On-line Control strategy, and the coordination of the control strategy between the different controlling center.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710135091A CN101299152B (en) | 2007-11-08 | 2007-11-08 | On-line control method of large electric network consecutive fault and remote place linkage fault |
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| CN200710135091A CN101299152B (en) | 2007-11-08 | 2007-11-08 | On-line control method of large electric network consecutive fault and remote place linkage fault |
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| CN101299152A true CN101299152A (en) | 2008-11-05 |
| CN101299152B CN101299152B (en) | 2010-05-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867347A (en) * | 2016-03-29 | 2016-08-17 | 全球能源互联网研究院 | Trans-space cascade fault detection method based on machine learning technology |
| CN107885175A (en) * | 2017-11-09 | 2018-04-06 | 杰克缝纫机股份有限公司 | Method of sewing and system based on cloud host computer control |
| CN109449940A (en) * | 2018-12-28 | 2019-03-08 | 国电南瑞科技股份有限公司 | Cope with the emergent control wide area coordination approach of the successive event of dynamic process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3954511B2 (en) * | 2003-03-14 | 2007-08-08 | 株式会社東芝 | Power distribution system monitoring and control device |
| DE102005056962A1 (en) * | 2005-11-30 | 2007-07-12 | Daimlerchrysler Ag | Redundant electrical network e.g. on-board electrical system, operating method for motor vehicle, involves controlling energy supply of on-board electrical systems by control device depending on loading and functional conditions |
-
2007
- 2007-11-08 CN CN200710135091A patent/CN101299152B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867347A (en) * | 2016-03-29 | 2016-08-17 | 全球能源互联网研究院 | Trans-space cascade fault detection method based on machine learning technology |
| CN105867347B (en) * | 2016-03-29 | 2020-01-17 | 全球能源互联网研究院 | Cross-space cascading fault detection method based on machine learning technology |
| CN107885175A (en) * | 2017-11-09 | 2018-04-06 | 杰克缝纫机股份有限公司 | Method of sewing and system based on cloud host computer control |
| CN107885175B (en) * | 2017-11-09 | 2020-08-07 | 杰克缝纫机股份有限公司 | Sewing method and system based on cloud host control |
| CN109449940A (en) * | 2018-12-28 | 2019-03-08 | 国电南瑞科技股份有限公司 | Cope with the emergent control wide area coordination approach of the successive event of dynamic process |
| CN109449940B (en) * | 2018-12-28 | 2022-04-19 | 国电南瑞科技股份有限公司 | Emergency control wide area coordination method for coping with dynamic process succession events |
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| CN101299152B (en) | 2010-05-12 |
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Address after: Nanjing City, Jiangsu Province, 210003 South Shui Road No. 8 Patentee after: STATE GRID ELECTRIC POWER Research Institute Patentee after: JIANGSU ELECTRIC POWER Co. Address before: Nanjing City, Jiangsu Province, 210003 South Shui Road No. 8 Patentee before: Nanjing Automation Research Institute Patentee before: JIANGSU ELECTRIC POWER Co. |
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Effective date of registration: 20140103 Address after: High road Nanjing high tech Industrial Development Zone, Nanjing City, Jiangsu Province, No. 20 210061 Patentee after: NARI TECHNOLOGY Co.,Ltd. Patentee after: JIANGSU ELECTRIC POWER Co. Address before: Nanjing City, Jiangsu Province, 210003 South Shui Road No. 8 Patentee before: STATE GRID ELECTRIC POWER Research Institute Patentee before: JIANGSU ELECTRIC POWER Co. |