CN106709158A - Perform improvement method for power grid feeder automation system - Google Patents
Perform improvement method for power grid feeder automation system Download PDFInfo
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- CN106709158A CN106709158A CN201611096549.0A CN201611096549A CN106709158A CN 106709158 A CN106709158 A CN 106709158A CN 201611096549 A CN201611096549 A CN 201611096549A CN 106709158 A CN106709158 A CN 106709158A
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- 238000004088 simulation Methods 0.000 claims abstract description 15
- 238000004458 analytical method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
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- 241000196324 Embryophyta Species 0.000 description 2
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- 230000011664 signaling Effects 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- H02J13/0006—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
The invention discloses a perform improvement method for a power grid feeder automation system. The method comprises the following steps that: obtaining power grid operation data; establishing an offline power grid feeder automation simulation system; carrying out simulation analysis on power grid feeder automation action, and obtaining action characteristics; correcting and verifying the action characteristics; and putting into a practical power grid to finish the perform improvement of the power grid feeder automation system. By use of the method, the work accuracy of the power grid feeder automation system can be effectively improved, the safe and reliable operation of a power distribution network is guaranteed, and the correct action rate of power grid feeder automation is improved. In addition, the method is simple and reliable and has a wide applicable range.
Description
Technical field
The invention belongs to power system automatic field, and in particular to a kind of performance boost of power network feed line automatization system
Method.
Background technology
With the development and the improvement of people's living standards of national economy technology, automatic technology and Automated condtrol are
It is widely used among the production and life of people, has brought endless facility.
Automation of Electric Systems is the Reliable guarantee of power system safety and stability operation.At present, various regions power network or
Just configure and complete new electrical power distribution automatization system（Hereinafter referred to as DMS）, and it transform city distribution terminal as intelligent terminal, from
Thing causes that various regions power network possesses feeder automation（Hereinafter referred to as FA）Condition.
Many areas have been completed that some circuits are transformed through power distribution automation and put into FA fully automatic modes fortune now
OK.However, in the statistics of 2015, the action accuracy of FA is only 68.75%.Operation maintenance personnel by FA run into
Row analysis, it was found that there are the following problems：1st, dispatcher's normal operating triggering FA error startings：It is including DMS systems that dispatcher is distant
Control pull open point position signal of wire-outgoing breaker, remote control close wire-outgoing breaker when line looped network cabinet switch send out the conducts such as over-current signal
Entry condition；2nd, existing DTU equipment telemetry-acquisition insufficient sensitivity, does not collect electric data change, causing trouble feelings
FA does not start under condition；3rd, FA starts strategy and the protection reclosing actuation time sequential of distribution line has problem, causes FA to miss
Start；4th, because of local distribution network network structure, equipment operating environment, artwork annexation a series of problems, such as, causes FA mistakes occur
Start, judge by accident and misjudgement situation；5th, other abnormal conditions etc..
So many problem causes that the correctness that FA is acted is not high, and FA acts relatively low action accuracy, seriously
The normal work of network system is have impact on so that network system bears unnecessary loss, while also seriously reducing electricity consumption
The electricity consumption experience at family.
The content of the invention
It is an object of the invention to provide a kind of work accuracy that can effectively lift power network feed line automatization system, and
And the performance improvement method of the simple and reliable power network feed line automatization system of method.
The performance improvement method of this power network feed line automatization system that the present invention is provided, comprises the following steps：
S1. the service data of power network to be analyzed is obtained；
S2. the operation of power networks data for being obtained according to step S1, build offline power network feeder automation analogue system；
S3. in the off-line emulation system that step S2 builds, the simulation analysis of power network feeder automation action are carried out, acquisition is treated
Analyze the power network feeder automation acting characteristic of power network；
The power network feeder automation acting characteristic of the power network to be analyzed that S4. establishing criteria is obtained to step S3 is modified, and
Verified in offline power network feeder automation analogue system；
S5. the power network feeder automation of the power network revised to be analyzed being verified in step S4 action is put into and treats point
In the actual electric network of analysis, the performance boost of power network feed line automatization system is completed.
Step S1 obtain power network service data, including electrical power distribution automatization system artwork, electrical power distribution automatization system number
According to storehouse and power network feeder automation function etc..
Offline power network feeder automation analogue system is built described in step S2, following steps are specifically included：
A. configure simulation work station, in real-time system by the workstation configuration for separate server node；
B. real-time electrical power distribution automatization system CSGC3000 platforms are loaded to the work station；
C. the environmental variance of CSGC3000 platforms and database is configured；
D. the work station unit is installed into oracle11g service ends；
E. real-time electrical power distribution automatization system parameter library is derived, and is directed into the unit database of the work station；
F. start CSGC3000 programs in the work station unit, and run dsshmi processes, carry out FA fault simulation tests.
The power network feeder automation acting characteristic of the power network to be analyzed described in step S3, including power network feeder automation action
Action logic, power network feeder automation action action sequence, power network feeder automation action actuation time and power network feedback
Response speed of line automation action etc..
The performance improvement method of this power network feed line automatization system that the present invention is provided, by building and actual electric network pair
The offline power network feeder automation Simulation Platform answered, and it is dynamic to power network feeder automation on off-line simulation analysis platform
Emulated, analyzed, improved and verified, and reality to be analyzed is put into the power network feeder automation action that will be verified
In power network, so as to complete the performance boost of power network feed line automatization system；Therefore the inventive method can effectively lift power network feedback
The work accuracy of line automation system, comes into operation by the way that power network feeder automation strategy is actual after optimization, reduces because of strategy
Problem causes power network feeder automation error starting, erroneous judgement and misjudges, and electric network fault point mistake is isolated or is not isolated；It is accurately positioned
Trouble point is simultaneously isolated reduction power off time, lifting power supply quality；Can effectively prevent because being not isolated from failure simultaneously caused by
Fault spread situation, it is ensured that power distribution network safe and reliable operation, so as to find the power network feeder line of suitable local distribution network operation from
Dynamicization strategy, lifts power network feeder automation performance factor；It is widely applicable and method is simple and reliable.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the inventive method.
Fig. 2 be the first embodiment of concrete application of the invention improvement before and after contrast schematic diagram.
Fig. 3 be the second embodiment of concrete application of the invention improvement before and after contrast schematic diagram.
Specific embodiment
It is as shown in Figure 1 the schematic flow sheet of the inventive method：This power network feed line automatization system that the present invention is provided
Performance improvement method, comprise the following steps：
S1. the service data of power network to be analyzed is obtained：Artwork, distribution automation system data including electrical power distribution automatization system
The data such as storehouse and power network feeder automation function；
S2. the operation of power networks data for being obtained according to step S1, build offline power network feeder automation analogue system；
Offline power network feeder automation analogue system is built, following steps are specifically included：
A. configure simulation work station, in real-time system by the workstation configuration for separate server node；
B. real-time electrical power distribution automatization system CSGC3000 platforms are loaded to the work station；
C. the environmental variance of CSGC3000 platforms and database is configured；
D. the work station unit is installed into oracle11g service ends；
E. real-time electrical power distribution automatization system parameter library is derived, and is directed into the unit database of the work station；
F. start CSGC3000 programs in the work station unit, and run dsshmi processes, carry out FA fault simulation tests.
In system after building, including alarm reader module, dispatcher's operation interface and real-time database reader；The reality
When storehouse reader then include operation monitoring, anomaly monitoring, operational management, user profile, system mode 5 modules；The alarm
Reader is used for whole remote signals that real-time display system is uploaded, and signal is divided into accident, more exception, line, displacement, announcement
Know, soe, system, communication 8 major classes；Dispatcher's operation interface is monitored and performed by the interface for dispatcher to equipment
Operations, are power distribution automation main station system core parts；Operation monitoring is included for showing transforming plant primary wiring diagram
Plant stand monitoring, the remote signalling monitoring of the line supervision for showing 10kV distribution wiring diagrams, query facility items remote signalling information, to this
The straighforward operation that operation is remotely controlled in house and the listing operation that different types of sign board is hung to the equipment；Anomaly monitoring is used
Shown with tabular form in by the circuit under anomalous mode, be divided into maintenance circuit, cyclization circuit, faulty line, turn confession circuit 5
Class；Operational management is used to show guarantor's electric line by tabular form（Circuit has hung the electric board of guarantor）, concern circuit（By electric current
Value or load factor filtering）, manually put several equipment and listed equipment, and can query facility alarm window, remote measurement and zero-sequence current；With
Family information is used to enumerate dual power supply user, responsible consumer, large user in the form of text；System mode is mainly used to check distribution end
End sum and online rate.
S3. in the off-line emulation system that step S2 builds, the simulation analysis of power network feeder automation action are carried out, is obtained
The power network feeder automation acting characteristic of power network to be analyzed is taken, the action logic of power network feeder automation action, electricity is specifically included
What the action sequence of net feeder automation action, the actuation time of power network feeder automation action and power network feeder automation were acted
Response speed etc.；
The power network feeder automation acting characteristic of the power network to be analyzed that S4. establishing criteria is obtained to step S3 is modified, and
Verified in offline power network feeder automation analogue system；
S5. the power network feeder automation of the power network revised to be analyzed being verified in step S4 action is put into and treats point
In the actual electric network of analysis, the performance boost of power network feed line automatization system is completed.
Below in conjunction with several embodiments, the practicality of the inventive method is illustrated.
Embodiment one：
（1）Analyze existing FA startup programs.In existing FA systems, normal FA entry conditions are the switches under switch fault trip condition
Sub-gate signal+over-current signal or accident resultant signal.Action logic send to have on switch sub-gate signal, and this signal can retain 3 points
Clock, the signal all, if being sent on interior wired road over-current signal during this, can just cause FA to open by mistake as FA entry conditions in 3 minutes
It is dynamic；
（2）Analysis FA error starting cases.In below figure 2 shown in chrysanthemum silver wire case.When grid collapses, ground connection, dispatcher
Can carry out being remotely controlled breaker operation in incident processing procedure is carried out.Due to circuit when remote control is closed a floodgate again after remote control separating brake
The reason for excitation surge current is excessive, automatization terminal can upload over-current signal or accident resultant signal, the sub-gate signal of at this moment remote control
Excessively stream, accident resultant signal plus excitation surge current will cause fault-free circuit FA error startings；
（3）Improve FA entry conditions and start logic strategy.Protection act process is learnt in analysis（Over-current signal, accident resultant signal,
Switch sub-gate signal）Time is shorter, can generally be sent in whole within one minute.And dispatcher is in incident processing procedure,
Explored for ground connection or the need for segmentation examination is sent after remote control separating brake, then between remote control is closed a floodgate the time be typically larger than one minute, averagely
Time is about 1 point 20 seconds.If sub-gate signal retention time will be switched by existing 3 minutes, it is changed to 1 minute, just can effectively protects
The normal startup of FA in the case of card failure, and dispatcher's remote control separating brake causes FA error startings when avoiding accident treatment, its principle is such as
Shown in lower Fig. 2.
After this countermeasure is implemented, there are not FA error starting phenomenons during because of dispatcher's straighforward operation.
Embodiment two（Effect is as shown in Figure 3）：
（1）Analyze the case of existing FA startup programs and FA fault location mistakes.
Power distribution automation line failure, the ring main unit interval that fault current flows through can all send out over-current signal, and FA only will
Successively as trouble spot judging foundation, end ring main unit interval and be trouble point that faulty electric current flows through.If end looped network
Cabinet between-failures because the reasons such as defect do not send out over-current signal will caused by FA to trouble spot judging mistake, expand isolation range, mislead
Lookup of the distribution personnel to trouble point, concrete case is as follows.
13 days 17 June in 2015:The wiring board of 48 5 light line 344 takes the photograph crossing H02 ring main units 304, Ji'an Lu Ji H01 ring main units
302 protection acts trip, but Ji'an Lu Ji H01 ring main units（End ring main unit）310th, 302 over-current signal is not sent out, FA presses excessively stream
Signal judgement, crossing H02 ring main units are set by localization of fault in plate（Penultimate ring main unit）304 switch back segments, look into afterwards
The result of line finds that trouble point is to switch back segment in Ji'an Lu Ji H01 ring main unit 302；
（2）Improve the condition of FA fault location.Analysis learns that only single dependence fault current flows through existing FA fault location logic
Ring main unit be spaced sent out overcurrent signal as basis for estimation, even and if back end of line ring main unit interval is protected out in case
Mouth tripping operation, existing FA functional faults positioning logic will not be also positioned to the fault point.FA functions are changed after project group analysis
The configuration file of the total protection exit signal of fault location function, the protection exit signal that distribution power automation terminal equipment is sent
Include FA fault location decision logic conditions, the largely perfect fault location function of FA functions.
After this countermeasure is implemented, there is not distribution power automation terminal protection signal without the phenomenon that can position failure.
Claims (5)
1. a kind of performance improvement method of power network feed line automatization system, comprises the following steps：
S1. the service data of power network to be analyzed is obtained；
S2. the operation of power networks data for being obtained according to step S1, build offline power network feeder automation analogue system；
S3. in the off-line emulation system that step S2 builds, the simulation analysis of power network feeder automation action are carried out, acquisition is treated
Analyze the power network feeder automation acting characteristic of power network；
The power network feeder automation acting characteristic of the power network to be analyzed that S4. establishing criteria is obtained to step S3 is modified, and
Verified in offline power network feeder automation analogue system；
S5. the power network feeder automation of the power network revised to be analyzed being verified in step S4 action is put into and treats point
In the actual electric network of analysis, the performance boost of power network feed line automatization system is completed.
2. the performance improvement method of power network feed line automatization system according to claim 1, it is characterised in that step S1 is obtained
The service data of the power network for taking, including the artwork of electrical power distribution automatization system, distribution automation system data storehouse and power network feeder line from
Dynamicization function etc..
3. the performance improvement method of power network feed line automatization system according to claim 1, it is characterised in that step S2 institutes
That states builds offline power network feeder automation analogue system, specifically includes following steps：
A. configure simulation work station, in real-time system by the workstation configuration for separate server node；
B. real-time electrical power distribution automatization system CSGC3000 platforms are loaded to the work station；
C. the environmental variance of CSGC3000 platforms and database is configured；
D. the work station unit is installed into oracle11g service ends；
E. real-time electrical power distribution automatization system parameter library is derived, and is directed into the unit database of the work station；
F. start CSGC3000 programs in the work station unit, and run dsshmi processes, carry out FA fault simulation tests.
4. the performance improvement method of power network feed line automatization system according to claim 2, it is characterised in that step S2 institutes
That states builds offline power network feeder automation analogue system, specifically includes following steps：
A. configure simulation work station, in real-time system by the workstation configuration for separate server node；
B. real-time electrical power distribution automatization system CSGC3000 platforms are loaded to the work station；
C. the environmental variance of CSGC3000 platforms and database is configured；
D. the work station unit is installed into oracle11g service ends；
E. real-time electrical power distribution automatization system parameter library is derived, and is directed into the unit database of the work station；
F. start CSGC3000 programs in the work station unit, and run dsshmi processes, carry out FA fault simulation tests.
5. the performance improvement method of the power network feed line automatization system according to claim 1 ~ 4, it is characterised in that step S3
The power network feeder automation acting characteristic of described power network to be analyzed, including the action logic that power network feeder automation is acted, electricity
What the action sequence of net feeder automation action, the actuation time of power network feeder automation action and power network feeder automation were acted
Response speed etc..
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108537681A (en) * | 2018-03-06 | 2018-09-14 | 国网冀北电力有限公司 | A kind of grid automation scheduling system fault locating method and device |
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