CN105914866B - The method that topology information is used in network prepared auto restart - Google Patents
The method that topology information is used in network prepared auto restart Download PDFInfo
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- CN105914866B CN105914866B CN201610318342.7A CN201610318342A CN105914866B CN 105914866 B CN105914866 B CN 105914866B CN 201610318342 A CN201610318342 A CN 201610318342A CN 105914866 B CN105914866 B CN 105914866B
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- 230000002159 abnormal effect Effects 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 45
- 238000005259 measurement Methods 0.000 claims description 19
- 230000011664 signaling Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
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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
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
The invention discloses a kind of method that network topological information is used in network prepared auto restart, this method includes：The network topology check method of equipment live or power failure state；Topological abnormal discovery method；The cooperation method of calibration of control flow, its method are：Increase the abnormal judgement of topology when abnormal information judges；Increase topology when operation condition judges to check, then action outlet, be further added by topologies verification, last actual control.The present invention mutually checks the local devices information in network prepared auto restart deterministic process with topology information, adds the reliability of logic judgment, can improve the practicality of network prepared auto restart.
Description
Technical field
The invention belongs to Operation of Electric Systems and automatic field, and in particular to network topology is used in network prepared auto restart
The method of information.
Background technology
The main purpose of network prepared auto restart is to be used to, when prepared auto restart can not restore electricity in station after failure, pass through main website
Logic judgment and remote control, realize the input of stand-by power supply.Network prepared auto restart can utilize main website side Information Superiority, expand station
The function of interior prepared auto restart, restored electricity after realizing the failures of electric network composition such as serial power supply.The functional specification of network prepared auto restart, original
The current comparative maturity of reason.Early in 2012, the network spare power automatic switching system of the power network such as Foshan, middle mountain just had been put into just
Formula operation with closed ring, operational excellence, important function has been played to improve electric network reliability so far.
In the practice process of the application of network prepared auto restart in recent years, generally believe that network prepared auto restart has problems with：
(1) speed of network prepared auto restart is slower, because a large amount of signals of transformer station are sent into main website after failure occurs, leads
Send delay obvious in cause remote measurement.
(2) not as prepared auto restart in station in the reliability theory of network prepared auto restart, because network prepared auto restart is dependent on master
The quality for basic data of standing and the reliability of remote-control channel, and the influence factor of prepared auto restart is few in standing.
Although there is above-mentioned deficiency, the action of network prepared auto restart is established the prepared auto restart in station and can not put into operation or baulk
On the basis of, as long as the artificial accident judgement better than dispatching and monitoring personnel in terms of speed, reliability is handled, network prepared auto restart is exactly
With practical value.
The logical concept of prepared auto restart in station, is mainly incorporated into main website, it is impossible to give full play to by current research and practice
The comprehensive advantage of master information.In fact, all doubts for network prepared auto restart reliability at present, for manual control
All it is existing, such as dispatcher, the accident judgement of monitor handle the protection signal for being also based on main website collection, switch becomes
Position, telemetry change.As long as making full use of the advantage of whole network data, topology information is introduced, network prepared auto restart can be done completely
To highly reliable practicality.
The content of the invention
To overcome the shortcomings of in prior art, it is an object of the invention to provide one kind to use topology in network prepared auto restart
The method of information, the local devices information in network prepared auto restart deterministic process is mutually checked with topology information, adds logic
The reliability of judgement, the practicality of network prepared auto restart can be improved
To achieve the above object, the technical scheme is that:
It is a kind of in network prepared auto restart using topology information method altogether comprising three aspect, respectively：Equipment live or
The network topology of power failure state is checked；Topological abnormal discovery；The cooperation verification of control flow.
The network topology of equipment live or power failure state is checked and specifically included：
（1）When judging equipment dead electricity, dead electricity, while the equipment topology dead electricity are judged by the remote measurement of equipment, it is both full
Foot, just can determine that the equipment dead electricity.
（2）When judging that equipment has electricity, judge there is electricity by the remote measurement of equipment, while the equipment topology has electricity, it is both full
Foot, just can determine that the equipment has electricity.
（3）When charging circuit is as stand-by equipment, and the circuit no-voltage measures, the line can be judged according to topology information
Whether road has electricity.
Topological abnormal discovery, is specifically included：
（1）Bus remote measurement is without pressure, but now bus is still topological powered.Such case is probably that voltage transformer (TV) is disconnected
Line；
（2）Bus topology is without pressure, but remote measurement amount is normal.This is probably that delay is sent in remote measurement in case of a fault；If it is
System fault-free, then it is probably that equipment connection is abnormal, or disconnecting link positional fault.
The cooperation verification of control flow, is specifically included：
Carry out certain step recover before（Generally comprise first drag switch combination switch again）, first judge to envision the whether topological mistake of bus
Electricity, otherwise stop the step, the recovery into next step controls.Certain step is recovered to complete, it is necessary to first judge whether envision bus
Topology recovers powered, otherwise can differentiate control failure more than the scheduled time（It is probably switch failure, it is also possible in remote-control channel
It is disconnected）, stop all control process, latching network prepared auto restart.
Verified before switch outlet：All operations for pulling open switch must not all increase new load topology dead electricity；It is all
The operation of closure switch must not all cause small power supply non-Switching Synchronization（The switch is communicated to and there is topological path in small power supply）；Connection is cut
When small power supply switchs, it is necessary to ensure that small power supply is in the range of isolated island.
The method that topology information is used in network prepared auto restart.Also need to have specially treated to Topology Algorithm, specifically include：
（1）If certain electrical island only exists small power supply and load, it is judged as dead island.
（2）The processing mode of suspicious remote signalling is：If suspicious remote signalling position is in the power supply where network prepared auto restart and standby
On link, then the locking prepared auto restart is needed.If suspicious remote signalling position in power network other positions, provides alarm.
The discovery and control flow that the present invention is checked by the network topology of equipment live or power failure state, topology is abnormal
Cooperation verification, the local devices information in network prepared auto restart deterministic process is mutually checked with topology information, adds logic
The reliability of judgement, the practicality of network prepared auto restart can be improved.
Brief description of the drawings
Fig. 1 is the flow chart of the inventive method.
Fig. 2 is the structure chart of somewhere partial electric grid.
Embodiment
The present invention proposes the method that topology information is used in network prepared auto restart, is described in detail with reference to embodiment.
Shown in Fig. 2 is a typical chain type power supply grid, if seeing elegant line permanent fault, causes 110kV kwan-yin
Mountain is turned into small power supply isolated island and quickly dead electricity.Pioneer, which becomes prepared auto restart in station, can first divide 745 switches, then close 770 switches.Subsequent net
Network prepared auto restart cuts off small power supply first（Separate 746 and 749 switches）, then divide Guanyin Mountain to become 723 switches, close pioneer and become 745 switches,
Recover the power supply of 110kV Guanyin Mountains.
The method that topology information is used in network prepared auto restart, altogether comprising three aspects, it is respectively：Equipment live or dead electricity
The network topology of state is checked；Topological abnormal discovery；The cooperation verification of control flow.
The network topology of equipment live or power failure state is checked and specifically included：
（1）When judging equipment dead electricity, dead electricity, while the equipment topology dead electricity are judged by the remote measurement of equipment, it is both full
Foot, just can determine that the equipment dead electricity.For example, judging Guanyin Mountain bus dead electricity during failure, remote measurement dead electricity and topology need to be confirmed simultaneously
Dead electricity.
（2）When judging that equipment has electricity, judge there is electricity by the remote measurement of equipment, while the equipment topology has electricity, it is both full
Foot, just can determine that the equipment has electricity.For example, judging that pioneer's bus voltage has electricity during failure, it need to confirm that remote measurement has electricity and topology simultaneously
There is electricity.
（3）When charging circuit is as stand-by equipment, and the circuit no-voltage measures, the line can be judged according to topology information
Whether road has electricity.For example, stove forward line can be used as stand-by power supply during failure, judge whether stove forward line has pressure, if stove forward line does not have
Voltage measures, then can be determined according to topological electriferous state.
Topological abnormal discovery, is specifically included：
（1）Bus remote measurement is without pressure, but now bus is still topological powered.Such case is probably that voltage transformer (TV) is disconnected
Line；
（2）Bus topology is without pressure, but remote measurement amount is normal.This is probably that delay is sent in remote measurement in case of a fault；If it is
System fault-free, then it is probably that equipment connection is abnormal, or disconnecting link positional fault.
The cooperation verification of control flow, is specifically included：
Before carrying out certain step recovery, first drag switch combination switch again is generally comprised, first judges to envision the whether topological dead electricity of bus,
Otherwise the step is stopped, the recovery into next step controls.Certain step is recovered to complete, it is necessary to first judge whether anticipation bus is topological
Recover powered, otherwise can differentiate control failure more than the scheduled time（It is probably switch failure, it is also possible to which remote-control channel interrupts）,
Stop all control process, latching network prepared auto restart.
Verified before switch outlet：All operations for pulling open switch must not all increase new load topology dead electricity；It is all
The operation of closure switch must not all cause small power supply non-Switching Synchronization（The switch is communicated to and there is topological path in small power supply）；Connection is cut
When small power supply switchs, it is necessary to ensure that small power supply is in the range of isolated island.
The method that topology information is used in network prepared auto restart.Also need to have specially treated to Topology Algorithm, specifically include：
（1）If certain electrical island only exists small power supply and load, it is judged as dead island.Such as elegant sight line forever event in Fig. 2
After barrier, Guanyin Mountain station forms small power supply isolated island, it should is judged as dead island.
（2）The processing mode of suspicious remote signalling is：If suspicious remote signalling position is in the power supply where network prepared auto restart and standby
On link, then the locking prepared auto restart is needed.If suspicious remote signalling position in power network other positions, provides alarm.Specific such as Fig. 2
Shown, the suspicious remote signalling on Zhong Xiu-ginger stove link will cause the prepared auto restart locking, and the network in the other regions of power network is standby certainly
Throw, alarm prompt can be provided.
Based on above-mentioned, the present invention passes through equipment live or the network topology check method of power failure state；Topological abnormal hair
Existing method；The cooperation method of calibration of control flow, its method are：Increase the abnormal judgement of topology when abnormal information judges；When dynamic
Increase topology is checked when making condition judgment, then action outlet, is further added by topologies verification, last actual control.The present invention
Local devices information in network prepared auto restart deterministic process is mutually checked with topology information, adds the reliable of logic judgment
Property, the practicality of network prepared auto restart can be improved.
Embodiment described above only expresses the exemplary embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (3)
1. the method for topology information is used in a kind of network prepared auto restart, it is characterised in that this method includes：Equipment live or dead electricity
The cooperation method of calibration of the abnormal discovery method of the network topology check method of state, topology and control flow, the equipment
Powered or power failure state network topology check method specifically includes：
（S1）When judging equipment dead electricity, dead electricity, while the equipment topology dead electricity are judged by the remote measurement of equipment, if both full
Foot, it is determined that the equipment dead electricity；
（S2）When judging that equipment has electricity, judge there is electricity by the remote measurement of equipment, while the equipment topology has electricity, if both full
Foot, it is determined that the equipment has electricity；
The abnormal discovery method of the topology specifically includes as follows：
（If a) bus remote measurement is without pressure, but now bus is still topological powered, then voltage transformer disconnection；
（b）If bus topology is without pressure, but remote measurement amount is normal, and this is then that delay is sent in remote measurement in case of a fault；If system without
Failure, then it is equipment connection exception or disconnecting link positional fault；
The cooperation method of calibration of the control flow comprises the following steps that：
1）Before carrying out recovering step, first judge to envision the whether topological dead electricity of bus, otherwise stop the step, into next step
Recovery control；
2）Recovering step is completed, it is necessary to first judge that whether topology recovers powered to anticipation bus, otherwise can differentiate more than the scheduled time
Control failure, stops all control process, latching network prepared auto restart；
3）Verified before switch outlet；All operations for pulling open switch must not all increase new load topology dead electricity；It is all to close
The operation of combination switch must not all cause small power supply non-Switching Synchronization, and small power supply has topological path and is communicated to the closure switch；Connection
When cutting small power supply switch, it is necessary to ensure that small power supply is in the range of isolated island.
2. the method for topology information is used in a kind of network prepared auto restart according to claim 1, it is characterised in that the net
Also included using the method for topology information in network prepared auto restart：The processing of Topology Algorithm, is specifically included：
（1）If electrical island only exists small power supply and load, it is judged as dead island；
（2）The processing mode of suspicious remote signalling is：If suspicious remote signalling position is in the power supply where network prepared auto restart and reserve link
On, then need the locking prepared auto restart；If suspicious remote signalling position in power network other positions, provides alarm.
3. the method for topology information is used in a kind of network prepared auto restart according to claim 1, it is characterised in that described to set
In standby powered or power failure state network topology check method, when charging circuit is as stand-by equipment, and the charging circuit is without electricity
When pressure measures, judge whether the circuit has electricity according to topology information；
When stove forward line is as stand-by power supply when failure, judge whether stove forward line has pressure, if stove forward line does not have voltage measurement, root
Determined according to topological electriferous state.
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| CN109861203B (en) * | 2018-11-26 | 2022-09-20 | 国网宁夏电力有限公司银川供电公司 | Spare power automatic switching locking checking method |
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| 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 |
| CN101917063A (en) * | 2010-07-23 | 2010-12-15 | 广东电网公司中山供电局 | Method and system for automatically switching master station-centralized spare power source |
| CN105470928A (en) * | 2015-09-21 | 2016-04-06 | 国电南瑞科技股份有限公司 | Zoned and layered load transferring method based on urban power transmission network fault recovery |
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| US9203323B2 (en) * | 2011-09-22 | 2015-12-01 | Renewable Power Conversion, Inc. | Very high efficiency uninterruptible power supply |
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| 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 |
| CN101917063A (en) * | 2010-07-23 | 2010-12-15 | 广东电网公司中山供电局 | Method and system for automatically switching master station-centralized spare power source |
| CN105470928A (en) * | 2015-09-21 | 2016-04-06 | 国电南瑞科技股份有限公司 | Zoned and layered load transferring method based on urban power transmission network fault recovery |
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Effective date of registration: 20161125 Address after: High road high tech Development Zone Nanjing city Jiangsu province 210032 No. 20 Applicant after: NARI Technology Development Co., Ltd. Applicant after: SGCC NARI Nanjing Control System Co., Ltd. Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: High road high tech Development Zone Nanjing city Jiangsu province 210032 No. 20 Applicant before: NARI Technology Development Co., Ltd. Applicant before: SGCC NARI Nanjing Control System Co., Ltd. Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY |
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