CN105553082A - Throw-withdraw method considering device health for automatic switching press plate - Google Patents
Throw-withdraw method considering device health for automatic switching press plate Download PDFInfo
- Publication number
- CN105553082A CN105553082A CN201610117127.0A CN201610117127A CN105553082A CN 105553082 A CN105553082 A CN 105553082A CN 201610117127 A CN201610117127 A CN 201610117127A CN 105553082 A CN105553082 A CN 105553082A
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- China
- Prior art keywords
- auto restart
- prepared auto
- equipment
- pressing plate
- automatic switching
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 7
- 238000012795 verification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a throw-withdraw method considering device health for an automatic switching press plate. The throw-withdraw method mainly comprises the following steps of 1, judging the health degrees of all switching devices in an automatic switching model before the automatic switching press plate withdraws calculation, and shutting and warning automatic switching of an unhealthy switching device; and 2, judging the health degrees of devices in a master power supply path and a standby power supply path for automatic switching when the withdraw of the automatic switching press plate is calculated, processing devices with two voltage grades of 220kV and 110kV in a separated way, neglecting the device and the state of the device is not verified if the 220kV device is not healthy, and shutting the automatic switching and giving out a warning if the 110kV device is not healthy. By the throw-withdraw method, the throw-withdraw strategy error of the automatic switching press plate caused by the unhealthy device is prevented, and the throw-withdraw stability, the accuracy and the safety of the automatic switching press plate are ensured.
Description
Technical field
The present invention relates to a kind of prepared auto restart pressing plate and throw annealing method, belong to power system automatic field.
Background technology
In area power grid, for ensureing power supply reliability, usually install a large amount of backup auto-activating devices in 110kV grid side.When there is equipment fault in electrical network, prepared auto restart action can ensure the power supply of fault zone, but if cause new apparatus overload after prepared auto restart action, then needs to cause the prepared auto restart pressing plate transshipped to exit.Therefore the throwing of prepared auto restart is moved back needs to adjust in real time according to operation of power networks state.
Prepared auto restart pressing plate throws the electric network model that the system of moving back can utilize EMS system and the electric network data collected online, by considering the factors such as main transformer oil, load factor and electrical network N-1 check, to the capable real-time calculating of the throwing setback of prepared auto restart pressing plate and remote control, ensure that prepared auto restart throws the promptness and accuracy of moving back, and then ensure the fail safe of electrical network.
The data used when moving back system-computed thrown online by prepared auto restart pressing plate is SCADA collection value in EMS system and state estimation.But the health degree that the system of moving back have ignored equipment thrown online by existing prepared auto restart pressing plate, it is very high that tactful error rate is moved back in the throwing therefore providing prepared auto restart.
Summary of the invention
Technical problem to be solved by this invention is, there is provided a kind of and consider that annealing method thrown by the prepared auto restart pressing plate of equipment health degree, avoid the unhealthy prepared auto restart pressing plate that causes of equipment to throw and move back tactful mistake, thus ensure prepared auto restart pressing plate throw move back stability, accuracy and fail safe.
Technical scheme of the present invention is as follows:
Consider that an annealing method thrown by the prepared auto restart pressing plate of equipment health degree, comprise the following steps:
(1) before calculating is moved back in the throwing of prepared auto restart pressing plate, judge all switchgear health degrees in prepared auto restart model, the unsound prepared auto restart of switching devices carries out locking and alarm;
(2) when calculating the throwing of prepared auto restart pressing plate and moving back, the health degree of the equipment in the active and standby supply path of prepared auto restart is judged, and the equipment separately process to 220kV and 110kV two kinds of electric pressures: if 220kV equipment is unhealthy, then ignore this equipment, do not check its state; If 110kV equipment is unhealthy, then this prepared auto restart of locking alarm.
As a further improvement on the present invention: throw at prepared auto restart pressing plate and move back after system first computation of Period complete, start to judge the measurement health degree of switchgears all in prepared auto restart model: first before calculating is moved back in the throwing of prepared auto restart pressing plate, from EMS system, obtain meritorious, idle, the electric current three class measuring value of all switchgears in prepared auto restart model; Then the measuring value got is thrown with prepared auto restart pressing plate respectively and to move back in system meritorious, the idle and electric current three class measuring value that a computing cycle records and do difference; Finally judge the measurement difference of all switchgears, if all difference is all less than 0.000001, then think that the switchgear of this prepared auto restart model is unhealthy; The unsound prepared auto restart pressing plate of switching devices carries out locking and alarm, does not operate this prepared auto restart pressing plate.
As a further improvement on the present invention: calculate prepared auto restart pressing plate throw move back time, from EMS system, first obtain all circuits in the main supply path of prepared auto restart and available power path, SCADA collection value that main transformer measures and state estimation; Then, judge according to SCADA collection value and state estimation, if SCADA collection value is bad data or state estimation is bad data, then think that equipment is unhealthy in the active and standby supply path of prepared auto restart; Finally to the separately process of the equipment of 220kV and 110kV two kinds of electric pressures: if 220kV equipment is unhealthy, then ignore this equipment, do not check its state, if 110kV equipment is unhealthy, then this prepared auto restart of locking alarm, does not operate prepared auto restart pressing plate.
Relative to prior art, the present invention can not only carry out locking and alarm by the unsound prepared auto restart of switching devices, and can to the separately process of the equipment of 220kV and 110kV two kinds of electric pressures, and corresponding strategy is selected according to the health degree of equipment in processing procedure, thus the unhealthy prepared auto restart pressing plate that causes of the equipment that avoids is thrown and is moved back tactful mistake, ensure that prepared auto restart pressing plate throw move back stability, accuracy and fail safe.
Accompanying drawing explanation
Fig. 1 is prepared auto restart model schematic.
Fig. 2 is the active and standby supply path schematic diagram of prepared auto restart.
Fig. 3 is the flow chart judging all switchgear health degrees in prepared auto restart model.
Fig. 4 is that flow chart is moved back in the prepared auto restart pressing plate throwing of consideration equipment health degree.
Embodiment
Technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:
As Fig. 1, in prepared auto restart model, there are five switchgears, respectively: main switch 1, main switch 2, standby switch 1, standby switch 2 and bus connection switch.
As Fig. 3, throwing at prepared auto restart pressing plate moves back after system first computation of Period complete, start to judge the measurement health degree of switchgears all in prepared auto restart model: first before calculating is moved back in the throwing of prepared auto restart pressing plate, from EMS system, obtain meritorious, idle, the electric current three class measuring value of all switchgears in prepared auto restart model; Then the measuring value got is thrown with prepared auto restart pressing plate respectively and to move back in system meritorious, the idle and electric current three class measuring value that a computing cycle records and do difference; Finally judge the measurement difference of all switchgears, if all difference is all less than 0.000001, then think that the switchgear of this prepared auto restart model is unhealthy; The unsound prepared auto restart pressing plate of switching devices carries out locking and alarm, does not operate this prepared auto restart pressing plate.
Verification complete haul oneself willingly into the health degree of model breaker in middle equipment after, start respectively to the prepared auto restart of model breaker in middle equipment health carry out pressing plate throw move back verification.
As Fig. 2, dummy installation hauls oneself willingly into A health, the function of prepared auto restart A be 10kV bus B for 10kV bus A, namely the main of prepared auto restart A is 10kV bus A side path for path, and available path is 10kV bus B side path.The main supply path of prepared auto restart A there are three equipment: 220kV transformer A, 110kV bus A and 110kV transformer A.Three equipment are had: 220kV transformer B, 110kV bus B and 110kV transformer B in the available power path of prepared auto restart A.Therefore, the active and standby supply path of prepared auto restart A amounts to six equipment.
As Fig. 2 and 4, when calculating the throwing of prepared auto restart A pressing plate and moving back, first the SCADA collection value bad data mark (as doomed dead, invalid data, artificial set etc.) the meritorious, idle of above-mentioned six equipment and electric current three class measured from EMS system obtains and records, and the state estimation bad data mark that meritorious and idle two classes of above-mentioned six equipment measure is obtained and recorded; Then, judge according to SCADA collection value and state estimation: if in 110kV bus A, 110kV bus B, 110kV transformer A in six equipment described above and 110kV transformer B, the measurement of arbitrary equipment exists SCADA collection value be bad data or state estimation is the situation of bad data, then think prepared auto restart A active and standby supply path in there is the unsound situation of 110kV equipment; If the measurement SCADA collection value that there is equipment in 220kV transformer A and 220kV transformer B is bad data or state estimation is the situation of bad data, then think prepared auto restart A active and standby supply path in there is the unsound situation of 220kV equipment; Judge to indicate equipment health degree afterwards.
As Fig. 4, if there is the unsound situation of 110kV equipment in the active and standby supply path of prepared auto restart A, then locking is carried out and alarm to prepared auto restart A, its pressing plate is not operated; If all 110kV equipment is all healthy, then prepared auto restart A is verified further: if find to there is the unsound situation of 220kV equipment in the active and standby supply path of prepared auto restart A in checking procedure, then ignore this equipment, do not check its state, namely the state of this equipment can not be thrown to move back to the pressing plate of prepared auto restart A and be impacted; Continue other equipment of verification, state is moved back in the throwing finally calculating prepared auto restart A, and then remote control, carries out throwing move back prepared auto restart A pressing plate.
Claims (3)
1. consider that an annealing method thrown by the prepared auto restart pressing plate of equipment health degree, it is characterized in that comprising the following steps:
(1) before calculating is moved back in the throwing of prepared auto restart pressing plate, judge all switchgear health degrees in prepared auto restart model, the unsound prepared auto restart of switching devices carries out locking and alarm;
(2) when calculating the throwing of prepared auto restart pressing plate and moving back, the health degree of the equipment in the active and standby supply path of prepared auto restart is judged, and the equipment separately process to 220kV and 110kV two kinds of electric pressures: if 220kV equipment is unhealthy, then ignore this equipment, do not check its state; If 110kV equipment is unhealthy, then this prepared auto restart of locking alarm.
2. annealing method thrown by the prepared auto restart pressing plate of consideration equipment health degree as claimed in claim 1, it is characterized in that the concrete grammar of described step (1) is: throw at prepared auto restart pressing plate and move back after system first computation of Period complete, start to judge the measurement health degree of switchgears all in prepared auto restart model: first before calculating is moved back in the throwing of prepared auto restart pressing plate, from EMS system, obtain meritorious, idle, the electric current three class measuring value of all switchgears in prepared auto restart model; Then the measuring value got is thrown with prepared auto restart pressing plate respectively and to move back in system meritorious, the idle and electric current three class measuring value that a computing cycle records and do difference; Finally judge the measurement difference of all switchgears, if all difference is all less than 0.000001, then think that the switchgear of this prepared auto restart model is unhealthy; The unsound prepared auto restart pressing plate of switching devices carries out locking and alarm, does not operate this prepared auto restart pressing plate.
3. annealing method thrown by the prepared auto restart pressing plate of consideration equipment health degree as claimed in claim 1 or 2, it is characterized in that the concrete grammar of described step (2) is: calculate prepared auto restart pressing plate throw move back time, from EMS system, first obtain all circuits in the main supply path of prepared auto restart and available power path, SCADA collection value that main transformer measures and state estimation; Then, judge according to SCADA collection value and state estimation, if SCADA collection value is bad data or state estimation is bad data, then think that equipment is unhealthy in the active and standby supply path of prepared auto restart; Finally to the separately process of the equipment of 220kV and 110kV two kinds of electric pressures: if 220kV equipment is unhealthy, then ignore this equipment, do not check its state, if 110kV equipment is unhealthy, then this prepared auto restart of locking alarm, does not operate prepared auto restart pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117127.0A CN105553082B (en) | 2016-03-02 | 2016-03-02 | A kind of prepared auto restart pressing plate for considering equipment health degree throws annealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117127.0A CN105553082B (en) | 2016-03-02 | 2016-03-02 | A kind of prepared auto restart pressing plate for considering equipment health degree throws annealing method |
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| Publication Number | Publication Date |
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| CN105553082A true CN105553082A (en) | 2016-05-04 |
| CN105553082B CN105553082B (en) | 2018-02-09 |
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| CN201610117127.0A Expired - Fee Related CN105553082B (en) | 2016-03-02 | 2016-03-02 | A kind of prepared auto restart pressing plate for considering equipment health degree throws annealing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565853A (en) * | 2018-04-11 | 2018-09-21 | 深圳供电局有限公司 | Spare power automatic switching on and off combination determination method and system based on integer programming |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741137A (en) * | 2010-01-05 | 2010-06-16 | 国电南瑞科技股份有限公司 | Network centralized emergency power supply automatic switching method |
| CN101951016A (en) * | 2010-04-22 | 2011-01-19 | 广东电网公司 | Wide area information-based automatic standby power supply switching adaptive modeling and controlling method |
| KR20110068223A (en) * | 2009-12-15 | 2011-06-22 | 엘에스산전 주식회사 | Automatic load transfer switch |
| CN104201767A (en) * | 2014-09-28 | 2014-12-10 | 东方电子股份有限公司 | Optimized switching-on/off control method for busbar automatic transfer switch pressure plate |
-
2016
- 2016-03-02 CN CN201610117127.0A patent/CN105553082B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110068223A (en) * | 2009-12-15 | 2011-06-22 | 엘에스산전 주식회사 | Automatic load transfer switch |
| CN101741137A (en) * | 2010-01-05 | 2010-06-16 | 国电南瑞科技股份有限公司 | Network centralized emergency power supply automatic switching method |
| CN101951016A (en) * | 2010-04-22 | 2011-01-19 | 广东电网公司 | Wide area information-based automatic standby power supply switching adaptive modeling and controlling method |
| CN104201767A (en) * | 2014-09-28 | 2014-12-10 | 东方电子股份有限公司 | Optimized switching-on/off control method for busbar automatic transfer switch pressure plate |
Non-Patent Citations (1)
| Title |
|---|
| 潘凯岩，谭大帅: "基于EMS的智能备自投在线压板最优投退策略", 《电气技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565853A (en) * | 2018-04-11 | 2018-09-21 | 深圳供电局有限公司 | Spare power automatic switching on and off combination determination method and system based on integer programming |
| CN108565853B (en) * | 2018-04-11 | 2021-06-04 | 深圳供电局有限公司 | Spare power automatic switching on and off combination determination method and system based on integer programming |
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| CN105553082B (en) | 2018-02-09 |
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Denomination of invention: An on-off method of standby automatic switching board considering equipment health Effective date of registration: 20211213 Granted publication date: 20180209 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: DONGFANG ELECTRONICS Co.,Ltd. Registration number: Y2021980014783 |
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Date of cancellation: 20220725 Granted publication date: 20180209 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: DONGFANG ELECTRONICS Co.,Ltd. Registration number: Y2021980014783 |
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