CN106532692B - A kind of static security analysis method and device of area power grid meter and prepared auto restart - Google Patents
A kind of static security analysis method and device of area power grid meter and prepared auto restart Download PDFInfo
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- CN106532692B CN106532692B CN201611130192.3A CN201611130192A CN106532692B CN 106532692 B CN106532692 B CN 106532692B CN 201611130192 A CN201611130192 A CN 201611130192A CN 106532692 B CN106532692 B CN 106532692B
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The embodiment of the invention discloses the static security analysis method and devices of a kind of area power grid meter and prepared auto restart, when carrying out accident analysis using BPA software for solving current locale power grid, because not considering prepared auto restart situation, caused by static security analysis with actual conditions not fully consistent problem.The method comprise the steps that fault element is cut-off；Load flow calculation；Analyze operation result；Logic judgment is carried out to data card identification situation；Judge that isolated node generates situation；Judge isolated node state；Subsystem generates situation judgement；Judge subsystem state；It is closed spare bus connection switch condition judgement.The static security analysis method and device of area power grid meter and prepared auto restart in the embodiment of the present invention, consider influence of the action situation of the automatic equipments such as prepared auto restart to rack, so that static security analysis is completely the same with actual conditions, the reliability of area power grid power supply and the safety operation level of power grid are improved.
Description
Technical field
The present invention relates to Power System Analysis technical field more particularly to the static peaces of a kind of area power grid meter and prepared auto restart
Complete analysis method and device.
Background technique
In order to improve power supply reliability in the high voltage distribution network of 110kV, it is often equipped with backup auto-activating device.But current position
When area's power grid carries out the accident analyses such as N-1 using BPA software, typically no consideration prepared auto restart situation, analysis result is usually to get rid of
Load causes its Calculation results not in full conformity with the practical operation situation of power grid；Or after manually being acted according to prepared auto restart
Power grid topological relation, modeling analysis, working efficiency are low again.
And at present with BPA be analyze software all kinds of documents and operation measure, all without reference to exploitation prepared auto restart phase
Therefore the function of pass is the result of static security analysis more to the significance for improving power supply reliability for prepared auto restart
Agree with the actual motion state of power grid, electric power personnel can also therefrom recognize the safety operation level of power grid.
Therefore, the static security analysis method and device for finding a kind of area power grid meter and prepared auto restart becomes the art
The important topic that personnel are studied.
Summary of the invention
The embodiment of the invention provides the static security analysis method and devices of a kind of area power grid meter and prepared auto restart, are used for
Solve current locale power grid using BPA software progress accident analysis when, because not considering prepared auto restart situation, caused by static security
In analysis with actual conditions not fully consistent problem.
The embodiment of the invention provides a kind of static security analysis methods of area power grid meter and prepared auto restart, comprising:
S1, fault element is disconnected；
S2, Load flow calculation is carried out, obtains destination file；
S3, the destination file, the result shown after analysis operation are checked；
S4, judge whether the destination file shows data card and can not be identified, if so, needing to continue not known
It adds some points before other data card, and return step S2；If it is not, thening follow the steps S5；
S5, judge whether the destination file shows generation isolated node, if display generates isolated node and thens follow the steps
S6；If it is not, thening follow the steps S7；
S6, judged whether to meet first group of condition simultaneously according to isolated node, after meeting first group of condition simultaneously
Spare bus connection switch, and return step S2 can be closed；When either condition is unsatisfactory in first group of condition, then orphan is deleted
Node is found, later still return step S2；
S7, judge whether the destination file shows generation subsystem, if display generation subsystem thens follow the steps S8；If
It is no, then illustrate that rack is normal, normal program operation, can jump out circulation terminates process；
S8, judged whether to meet second group of condition simultaneously according to subsystem, meet second group of condition rear when simultaneously
Spare bus connection switch, and return step S2 can be closed；When either condition is unsatisfactory in second group of condition, then follow the steps
S9；
S9, judged whether to meet third group condition simultaneously according to subsystem, meet the third group condition rear when simultaneously
Spare bus connection switch, and return step S2 can be closed；When either condition is unsatisfactory in the third group, then need to delete entire
Subsystem, later still return step S2.
Optionally, S1, by fault element disconnection specifically include:
Operation equipment and the cut-offfing of route, simulated failure/maintenance specific practice: flow data DAT file is repaired
Change.
Optionally, first group of condition described in step S6 includes:
Isolated node voltage class is 10.5kV；
There are the spare bus connection switches of 10.5kV in system；
Another end node of bus connection switch operates normally.
Optionally, second group of condition described in step S8 includes:
There are 110kV nodes in subsystem；
There are the spare bus connection switches of 110kV in system.
Optionally, third group condition described in step S9 includes:
There are the spare bus connection switches of 10.5kV in system；
Another end node of bus connection switch operates normally.
Optionally, S2, progress Load flow calculation, obtain destination file and specifically include:
PSD-BPA program is run, Load flow calculation is carried out.
Optionally, the destination file is BPA destination file.
The embodiment of the invention provides a kind of area power grid meter and the static security analysis devices of prepared auto restart, comprising:
Module is disconnected, for disconnecting fault element；
Computing module；For carrying out Load flow calculation, destination file is obtained；
Analysis module, for checking destination file, the result shown after analysis operation；
Judgment module, for judging the various situations in analytic process.
Optionally, the judgment module includes:
First judging submodule can not be identified for judging whether the destination file shows data card；
Second judgment submodule, for judging whether the destination file shows generation isolated node；
Third judging submodule, for judging isolated node state；
Whether the 4th judging submodule shows generation subsystem for judging result file；
5th judging submodule, for judging the subsystem state；
6th judging submodule, for being closed spare bus connection switch condition judgement.
Optionally, the third judging submodule, specifically for judging whether to meet simultaneously according to isolated node: isolated section
Point voltage class is 10.5kV；There are the spare bus connection switches of 10.5kV in system；Another end node of bus connection switch operates normally；
5th judging submodule, specifically for judging whether to meet simultaneously according to subsystem: existing in subsystem
110kV node；There are the spare bus connection switches of 110kV in system；
6th judging submodule, specifically for judging whether to meet simultaneously according to subsystem: existing in system
10.5kV spare bus connection switch；Another end node of bus connection switch operates normally.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
The embodiment of the invention provides the static security analysis method and devices of a kind of area power grid meter and prepared auto restart, wherein
Method includes: that fault element is cut-off；Load flow calculation；Analyze operation result；Logic judgment is carried out to data card identification situation；Judgement
Isolated node generates situation；Judge isolated node state；Subsystem generates situation judgement；Judge subsystem state；It is closed spare
The judgement of bus connection switch condition.The method of the embodiment of the present invention considers shadow of the action situation to rack of the automatic equipments such as prepared auto restart
It rings, so that static security analysis is completely the same with actual conditions, improves the reliability of area power grid power supply and the safety fortune of power grid
Row is horizontal.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is one of a kind of static security analysis method of area power grid meter and prepared auto restart provided in an embodiment of the present invention
The flow diagram of embodiment；
Fig. 2 is one of the static security analysis device of a kind of area power grid meter and prepared auto restart provided in an embodiment of the present invention
The structural schematic diagram of embodiment；
Fig. 3 is the another of a kind of static security analysis method of area power grid meter and prepared auto restart provided in an embodiment of the present invention
The flow diagram of a embodiment；
Fig. 4 is the another of a kind of static security analysis method of area power grid meter and prepared auto restart provided in an embodiment of the present invention
Substation's typical wiring figure of a embodiment.
Specific embodiment
The embodiment of the invention provides the static security analysis method and devices of a kind of area power grid meter and prepared auto restart, are used for
Solve current locale power grid using BPA software progress accident analysis when, because not considering prepared auto restart situation, caused by static security
In analysis with actual conditions not fully consistent problem.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Please refer to Fig. 1 and Fig. 3, the static security analysis of a kind of area power grid meter and prepared auto restart provided in an embodiment of the present invention
Method, comprising:
S1, fault element is disconnected；
In the present embodiment, fault element is disconnected.In BPA, the cut-offfing of equipment and route, simulated failure/maintenance are operated
Specific practice be: modify to flow data DAT file, i.e., before needing the equipment cut-off and the corresponding card of route plus
".".Symbol " " is added before any data line in flow data file, can indicate that the i.e. row of annotation is invalid, and the row
Data are also just no longer participate in BPA Load flow calculation.So equipment and route cut-off in power grid with it is out of service after failure/maintenance
The case where, with represented in BPA flow data cut-off or the data card of failure/maintenance equipment, route it is invalid after be not involved in BPA
The Load flow calculation of program is the same i.e. in BPA flow data DAT file before corresponding data card plus " ".
S2, Load flow calculation is carried out, obtains destination file；
In the present embodiment, PSD-BPA program is run, carries out Load flow calculation.
S3, the destination file, the result shown after analysis operation are checked；
In the present embodiment, BPA destination file is checked, it is being shown after analysis operation as a result, preparing for next step judgement.
S4, judge whether the destination file shows data card and can not be identified, if so, needing to continue not known
It adds some points before other data card, and return step S2；If it is not, thening follow the steps S5.
S5, judge whether the destination file shows generation isolated node, if display generates isolated node and thens follow the steps
S6；If it is not, thening follow the steps S7.
S6, judged whether to meet first group of condition simultaneously according to isolated node, after meeting first group of condition simultaneously
Spare bus connection switch, and return step S2 can be closed；When either condition is unsatisfactory in first group of condition, then orphan is deleted
Node is found, later still return step S2；
In the present embodiment, judge whether to meet simultaneously according to isolated node: 1. isolated node voltage class are 10.5kV；2.
There are the spare bus connection switches of 10.5kV in system；3. another end node of bus connection switch operates normally.
It can be closed spare bus connection switch after meeting conditions above simultaneously, that is, the point before removing swap switch L card returns to step later
Rapid S2.When either condition is unsatisfactory for, then needs to add " " before isolated node B card, i.e. deletion isolated node, still return later
Step S2.
S7, judge whether the destination file shows generation subsystem, if display generation subsystem thens follow the steps S8；If
It is no, then illustrate that rack is normal, normal program operation, can jump out circulation terminates process.
S8, judged whether to meet second group of condition simultaneously according to subsystem, meet second group of condition rear when simultaneously
Spare bus connection switch, and return step S2 can be closed；When either condition is unsatisfactory in second group of condition, then follow the steps
S9；
In the present embodiment, judge whether to meet simultaneously according to subsystem: there are 110kV nodes in 1. subsystems；2. system
In there are the spare bus connection switches of 110kV.
It can be closed spare bus connection switch after meeting conditions above simultaneously, that is, the point before removing swap switch L card returns to step later
Rapid S2；But when either condition is unsatisfactory for, S9 is thened follow the steps.
S9, judged whether to meet third group condition simultaneously according to subsystem, meet the third group condition rear when simultaneously
Spare bus connection switch, and return step S2 can be closed；When either condition is unsatisfactory in the third group, then need to delete entire
Subsystem, later still return step S2；
In the present embodiment, judge whether to meet simultaneously according to subsystem: there are the spare bus connection switches of 10.5kV in 1. systems；
2. another end node of bus connection switch operates normally.
It can be closed spare bus connection switch after meeting conditions above simultaneously, later return step S2；When either condition is discontented
When sufficient, then need to delete entire subsystem (including all nodes and branch), later still return step S2.
It is above-mentioned be the static security analysis method of a kind of area power grid meter provided by the invention and prepared auto restart is carried out it is detailed
Description, below by by one embodiment to area power grid in terms of and the static security analysis device of prepared auto restart detailed retouch
It states, referring to Fig. 2, the static security analysis device of a kind of area power grid meter provided in an embodiment of the present invention and prepared auto restart includes:
Module 101 is disconnected, for disconnecting fault element；
Computing module 102；For carrying out Load flow calculation, destination file is obtained；
Analysis module 103, for checking destination file, the result shown after analysis operation；
Judgment module 104, for judging the various situations in analytic process.
Further, judgment module includes:
First judging submodule 1041 can not be identified for whether judging result file to show data card；
Whether second judgment submodule 1042 shows generation isolated node for judging result file；
Third judging submodule 1043, for judging isolated node state；
Whether the 4th judging submodule 1044 shows generation subsystem for judging result file；
5th judging submodule 1045, for judging subsystem state；
6th judging submodule 1046, for being closed spare bus connection switch condition judgement.
Above-mentioned is the static security analysis device to a kind of area power grid meter provided in an embodiment of the present invention and prepared auto restart
Structure is described in detail, and the method applied with one is described in detail to this method and device below, please refers to
Fig. 1 to Fig. 4, the one of the static security analysis method and device of a kind of area power grid meter and prepared auto restart provided in an embodiment of the present invention
A application examples includes:
PSD-BPA uses the form of data card, by the storage of electrical network parameter data into DAT file.Different types of data
Card represents different equipment, such as common typical data card: L card indicates that route, T card represent transformer.In data card
Data are inserted using the format of fixed col width, each field is the supplemental characteristic for representing respective type.BPA formatted data can be very
Describe the component models of electric system in detail.
By electric main wiring diagram it is known that route, transformer both ends are all connected with bus.And the data of L card and T card are believed
Also there is the name for inserting connected bus in breath.
PSD-BPA program is run, can produce corresponding pfo format calculation of tidal current file, when flow data is normal
When, destination file can show the relevant information of normal rack, such as: the power and load factor of line and transformer, node voltage,
Newton-Raphson sends out the number of iterations etc..When it is that rack is abnormal that flow data is wrong, destination file can then report an error, and show
The reason of causing program to be unable to run.It therefore, can be according to destination file when carrying out static security analysis to rack using BPA
The calculation of tidal current of display formulates the strategy thrown and move back prepared auto restart in conjunction with prepared auto restart action logic.
By taking the 110kV substation typical wiring figure of Fig. 4 as an example, accident analysis is carried out to 110kV substation in BPA.It stands
The corresponding data card of interior equipment is added some points respectively, after running program, the result that destination file is shown generally speaking there are four types of:
(1) generation subsystem: by taking 1 failure of inlet wire as an example, after adding some points before L card, BPA program is run, as the result is shown: three companies
The equipment (110kV bus mother-#1 main transformer -10.5kV bus is female) connect forms independent subsystem.
Except subsystem is independently of power grid, judge that the mark of how many subsystem is how many balance nodes (BS) section
Point, and balance nodes are generators, load bus and contact node are not balance nodes, therefore new subsystem is not due to putting down
Weighing apparatus node and be identified mistake.
(2) data card can not be identified: by taking 110kV bus mother's failure as an example, bus-bar fault understands the line that tripping is attached thereto
Road and transformer, and the reflection in BPA is, after adding some points before B card, since the B card node is not present in flow data, with this
Connected L, T card of node can not be identified, so needing to continue to add some points before unrecognized data card after female failure, be simulated
Tripping #1 main transformer and inlet wire 1 run program.Similar situation takes same operation that new calculated result can be obtained.At this time due to
Main transformer has moved back fortune, therefore when prepared auto restart action situation is with #1 main transformer failure is the same.
(3) isolated node is generated: female without branch and 10.5kV after adding some points before #1 main transformer T card by taking #1 main transformer failure as an example
Line parent phase connects, so bus mother becomes isolated node.
It should be noted that if what is carried out is N-1-1 accident analysis, such as when the maintenance of #1 main transformer, then generation inlet wire 1 is former
Barrier, mother 110kV then becomes isolated node at this time, but has no necessity of prepared auto restart movement at this time.So adding judgement in flow chart
Condition: whether isolated node voltage class is 10.5kV.If so, carrying out next step analysis；If it is not, then in flow data file
In, add " " before the B card of isolated node, later rerun procedure.
(4) normal program operation: illustrating that grid structure is normal, and flow data file can be normally carried out calculating.
To sum up, four kinds of results to cut-off equipment and route obtains: generation subsystem, data card can not be identified, generate
Isolated node, program normally calculate trend.Therefore, the core of this patent method is to design prepared auto restart according to these four results
Response policy is moved back in throwing.
In specific implementation, positioning bus connection switch and confirmation prepared auto restart step include: in the subsystem that calculated result is shown
Retrieval whether there is the B card of 110kV bus, by the structure of subsystem it is also seen that retrieving the B card of 110kV mother, root at this time
Bus connection switch L card is found according to B card.If can, the B card of bus connection switch other end bus is found according to the name of L median generatrix, herein
For mother.Then judge whether mother is isolated node in BPA calculation of tidal current before, if otherwise by the L card of bus connection switch
Preceding point removes.To sum up, the movement of prepared auto restart is completed.But if judging that female is isolated node, then illustrate that bus is and electric
Net is separated from, even if being closed bus connection switch at this time, can not play the role of putting into backup power source, it is also possible to further result in tide
Stream calculation error.
If 110kV mother prepared auto restart is not configured in substation station, such as Xian Bianzu wiring substation, stand interior female without 110kV
Line, inlet wire line and transformer are connected directly.For this kind of situation, if inlet wire failure, 10.5kV mother prepared auto restart should be acted, is closed
The bus connection switch of upper 10.5kV.Therefore for analysis process, if without not having in 110kV bus or station in subsystem
110kV mother backup auto-activating device should then turn to and find 10.5kV bus and be closed 10.5kV bus connection switch.
In fact, being also contemplated that the timing of backup auto-activating device when analysis prepared auto restart movement.Because after grid collapses,
Have a power failure it is possible that causing many buses, if not considering the cooperation of actuation time between backup auto-activating device, it is possible to which triggering is many
Prepared auto restart, but and not all prepared auto restart it is necessary to movement.By taking the 110kV substation typical wiring figure of Fig. 4 as an example, work as inlet wire
When 1 failure, mother 110kV and mother 10.5kV are essentially all decompression state, theoretically also meet the entry condition of respective prepared auto restart.
In order to eliminate this malfunction situation of prepared auto restart, increase the time sequence parameter of prepared auto restart in programming, by BATS1's
Time sequence parameter is set as, and the time sequence parameter of BATS2 is.In this way, BATS1 can be acted first, and BATS2 is due to examining after 1 failure of inlet wire
Having considered timing will no longer satisfy operation condition.In the static security analysis side of a kind of area power grid meter of the invention and prepared auto restart
It whether there is 110kV mother prepared auto restart in station to put it more simply, first differentiating in method, acted if no further according to actual conditions consideration
10.5kV mother prepared auto restart.
In a kind of static security analysis method of of the invention area power grid meter and prepared auto restart, " whether there is 10.5kV mother
Prepared auto restart " include do not install prepared auto restart equipment, prepared auto restart maintenance in can not throw move back, even station in there is no situations such as bus connection switch,
These situations require to modify when safeguarding BPA data file, the original state condition of bus connection switch are arranged, so as to outside
Analysis can be accurately analyzed when routine call BPA.
Consider influence of the action situation of the automatic equipments such as prepared auto restart to rack, is that area power grid improves power supply reliability
Effective measures, this patent make it carry out data automatically using BPA flow calculation program as bottom module, by calling external program
Modification and operation, to realize N-1 (+1) static security analysis for considering prepared auto restart movement.Actual motion shows this patent
The method of proposition more meets the actual quiet steady situation of area power grid.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of static security analysis method of area power grid meter and prepared auto restart characterized by comprising
S1, fault element is disconnected；
S2, Load flow calculation is carried out, obtains destination file；
S3, the destination file, the result shown after analysis operation are checked；
S4, judge whether the destination file shows data card and can not be identified, if so, needing to continue unrecognized
It adds some points before data card, and return step S2；If it is not, thening follow the steps S5；
S5, judge whether the destination file shows generation isolated node, if display generates isolated node and thens follow the steps S6；If
It is no, then follow the steps S7；
S6, judged whether to meet first group of condition simultaneously according to isolated node, it can after meeting first group of condition simultaneously
It is closed spare bus connection switch, and return step S2；When either condition is unsatisfactory in first group of condition, then isolated section is deleted
Point, later still return step S2；
S7, judge whether the destination file shows generation subsystem, if display generation subsystem thens follow the steps S8；If it is not,
Then illustrate that rack is normal, normal program operation, can jump out circulation terminates process；
S8, judged whether to meet second group of condition simultaneously according to subsystem, can be closed after meeting second group of condition simultaneously
Close spare bus connection switch, and return step S2；When either condition is unsatisfactory in second group of condition, S9 is thened follow the steps；
S9, judged whether to meet third group condition simultaneously according to subsystem, can be closed after meeting the third group condition simultaneously
Close spare bus connection switch, and return step S2；When either condition is unsatisfactory in the third group, then need to delete entire subsystem
It unites, later still return step S2.
2. the static security analysis method of area power grid meter according to claim 1 and prepared auto restart, which is characterized in that S1,
Fault element disconnection is specifically included:
Operation equipment and the cut-offfing of route, simulated failure/maintenance specific practice: it modifies to flow data DAT file.
3. the static security analysis method of area power grid meter according to claim 1 and prepared auto restart, which is characterized in that step
First group of condition described in S6 include:
Isolated node voltage class is 10.5kV；
There are the spare bus connection switches of 10.5kV in system；
Another end node of bus connection switch operates normally.
4. the static security analysis method of area power grid meter according to claim 1 and prepared auto restart, which is characterized in that step
Second group of condition described in S8 include:
There are 110kV nodes in subsystem；
There are the spare bus connection switches of 110kV in system.
5. the static security analysis method of area power grid meter according to claim 1 and prepared auto restart, which is characterized in that step
Third group condition described in S9 includes:
There are the spare bus connection switches of 10.5kV in system；
Another end node of bus connection switch operates normally.
6. the static security analysis method of area power grid meter according to claim 1 and prepared auto restart, which is characterized in that S2,
Load flow calculation is carried out, destination file is obtained and specifically includes:
PSD-BPA program is run, Load flow calculation is carried out.
7. the static security analysis method of area power grid meter according to claim 1 and prepared auto restart, which is characterized in that described
Destination file is BPA destination file.
8. the static security analysis device of a kind of area power grid meter and prepared auto restart characterized by comprising
Module is disconnected, for disconnecting fault element；
Computing module；For carrying out Load flow calculation, destination file is obtained；
Analysis module, for checking destination file, the result shown after analysis operation；
Judgment module, for judging the various situations in analytic process；
The judgment module includes:
First judging submodule can not be identified for judging whether the destination file shows data card；
Second judgment submodule, for judging whether the destination file shows generation isolated node；
Third judging submodule, for judging isolated node state；
Whether the 4th judging submodule shows generation subsystem for judging result file；
5th judging submodule, for judging the subsystem state；
6th judging submodule, for being closed spare bus connection switch condition judgement.
9. the static security analysis device of area power grid meter according to claim 8 and prepared auto restart, which is characterized in that described
Third judging submodule, specifically for judging whether to meet simultaneously according to isolated node: isolated node voltage class is 10.5kV；
There are the spare bus connection switches of 10.5kV in system；Another end node of bus connection switch operates normally；
5th judging submodule, specifically for judging whether to meet simultaneously according to subsystem: there are 110kV sections in subsystem
Point；There are the spare bus connection switches of 110kV in system；
6th judging submodule, specifically for judging whether to meet simultaneously according to subsystem: it is standby that there are 10.5kV in system
Use bus connection switch；Another end node of bus connection switch operates normally.
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| CN108521122A (en) * | 2018-04-13 | 2018-09-11 | 深圳供电局有限公司 | Power system static safety analysis method considering spare power automatic switching |
| CN110955967A (en) * | 2019-11-26 | 2020-04-03 | 广东电网有限责任公司 | Modeling method and system for bus tie spare power automatic switching in BPA |
| CN112186741B (en) * | 2020-09-10 | 2022-03-22 | 贵州电网有限责任公司 | Power grid operation weak point distinguishing method based on BPA (Business Process analysis) simulation calculation |
| CN112288274A (en) * | 2020-10-29 | 2021-01-29 | 贵州电网有限责任公司 | Accident event grade automatic evaluation method based on network topology and PSD-BPA analysis |
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| CN104898460A (en) * | 2015-04-14 | 2015-09-09 | 国网上海市电力公司 | Online static safety analysis system suitable for local dispatch system |
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| RU2416854C1 (en) * | 2010-01-11 | 2011-04-20 | Открытое акционерное общество "Завод им. В.А. Дегтярева" | Independent electric power supply system of mobile survey control system |
| CN104898460A (en) * | 2015-04-14 | 2015-09-09 | 国网上海市电力公司 | Online static safety analysis system suitable for local dispatch system |
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| 考虑备用电源自动投入装置的地区电网静态安全分析软件开发;杨勇等;《广东电力》;20090831;第22卷(第8期);第57-61页 * |
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Effective date of registration: 20200617 Address after: 519000, 296 Cui Xiang Road, Xiangzhou District, Guangdong, Zhuhai, Xiangzhou Patentee after: ZHUHAI POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. Address before: 519000, 296 Cui Xiang Road, Xiangzhou District, Guangdong, Zhuhai, Xiangzhou Co-patentee before: GUANGDONG YITAIDA TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee before: ZHUHAI POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. |