CN106300285A - It is independent of the self adaptation type feeder automation fault handling method on the spot of network topology - Google Patents
It is independent of the self adaptation type feeder automation fault handling method on the spot of network topology Download PDFInfo
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- CN106300285A CN106300285A CN201610631388.4A CN201610631388A CN106300285A CN 106300285 A CN106300285 A CN 106300285A CN 201610631388 A CN201610631388 A CN 201610631388A CN 106300285 A CN106300285 A CN 106300285A
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- block switch
- time
- fault
- distribution line
- floodgate
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- 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
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Abstract
The invention discloses a kind of self adaptation type feeder automation fault handling method on the spot being independent of network topology, it includes procedure below: the unified definite value of block switch is arranged；The self-adaptative adjustment of block switch definite value: distribution line tripping operation after breaking down, all block switch dead electricity separating brakes, the incoming call closing time of the block switch not flowing through fault current increases by one in the unified basis of valuation and adjusts time △ t, it is ensured that the timing that block switch incoming call closes a floodgate；Fault Isolation: distribution line reclosing, block switch closes a floodgate successively, the fault that is again short-circuited when at the block switch He Zhong Library of trouble point also trips, block switch near trouble point closes a floodgate time locking less than fault confirming time of decompression separating brake again due to incoming call, it is achieved that the isolation of trouble point；Restoring power supply in non-broken-down section: distribution line secondary reclosing, block switch non-latching on distribution line is sent a telegram here combined floodgate successively, recovers distribution line non-faulting section and powers.
Description
Technical field
The present invention relates to a kind of electric power system fault processing method, be specifically related to a kind of self adaptation being independent of network topology
Type feeder automation fault handling method on the spot, belongs to power system FEEDER AUTOMATION field.
Background technology
The feeder automation of coincidence type on the spot, by switch or switch terminal complete set of equipments, " dead electricity separating brake, incoming call time delay is closed
Lock " operating characteristic realize location and the isolation of fault, have and do not rely on main website and communicate, link is few, and accuracy rate is high, throws
Provide the advantages such as little.But, find in actual applications, traditional feeder automation pattern of coincidence type on the spot, need according to circuit
Topological connection relation calculates and arranges block switch definite value respectively, and in situations such as circuit generation unusual fluctuation or method of operation adjustment
Under, needing to remodify adjustment definite value, the maintenance work for distribution power automation terminal brings difficulty.
The traditional feeder automation of coincidence type on the spot pattern mainly uses " voltage-time type " feeder automation mode, for
Ensure the correctness of troubleshooting, need equipment is carried out parameter setting, mainly include send a telegram here combined floodgate time delay " X time " and fault
Acknowledging time " Y time "." Y time " generally chooses default time 5 seconds.And " X time " will in conjunction with switch in network topology
Position is configured.The complication of distribution line definite value, certainly will need to increase distribution line setting management person and field apparatus dimension
Protecting personnel, setting management person carries out fixed value calculation for every secondary line unusual fluctuation, assigns fixed value adjusting list, arranges Field Force to existing
Field carries out fixed value modification.Distribution line unusual fluctuation is frequent, and medium-sized city power distribution network there are about 1-3 secondary line different condition average every day,
For traditional voltage-time type feeder automation mode, in order to ensure the combined floodgate order of block switch, in the circuit method of operation
When the line topologicals such as adjustment, turn power supply, track remodelling change, it is both needed to definite value is adjusted, and the frequent variation of definite value
Substantial amounts of manpower and materials can be consumed.
Therefore, research does not relies on network topology, the novel feeder automation mode of coincidence formula on the spot adjusted without definite value
Become the most urgent.
Summary of the invention
In order to overcome the deficiencies in the prior art, the technical problem to be solved there are provided one and is independent of net
The self adaptation type feeder automation fault handling method on the spot of network topology, it is possible to use the feelings of unified definite value at all block switches
Realizing location on the spot and the isolation of fault under condition, solving switch definite value needs to calculate respectively according to network topology, arrange and net
The problem adjusted that definite value is modified is needed during network change in topology.
The present invention solves its technical problem and is adopted the technical scheme that: be independent of the self adaptation type on the spot feedback of network topology
Line automation fault handling method, for the distribution line of different topology structure is carried out fault treatment in situ, is characterized in that:
Transformer station's outfan at distribution line is provided with wire-outgoing breaker, and wire-outgoing breaker uses syllogic current mode to continue
Electric protection mode, when distribution line breaks down, wire-outgoing breaker can automatic brake separating, and wire-outgoing breaker possesses secondary weight
Closing function；Distribution line is provided with some block switches, and block switch uses voltage x current type block switch, it is possible to gather stream
Crossing the electric current of switch, voltage signal, switch has the characteristic of " dead electricity separating brake, time-delay closing of sending a telegram here ", energy when flowing through fault current
Enough alarms；
Described fault handling method includes procedure below:
The unified definite value of block switch is arranged: all of block switch is arranged unified setting valve, block switch whole
Definite value includes that the incoming call closing time of block switch unifies definite value and fault confirming time unifies definite value；
The self-adaptative adjustment of block switch definite value: after breaking down, the wire-outgoing breaker of distribution line transformer station outfan
Tripping operation, all of block switch loses after voltage separating brake immediately, does not flows through the incoming call closing time of the block switch of fault current
The original unified basis of valuation arranged increases by one automatically and adjusts time △ t, form new incoming call closing time definite value, protect
The timing that card block switch incoming call closes a floodgate；
Fault Isolation: the wire-outgoing breaker of transformer station's outfan reclosing for the first time, the segmentation that faulty electric current flows through is opened
Closing and close a floodgate successively, when closing a floodgate near the block switch of trouble point, distribution line is short-circuited fault again, and transformer station exports
The wire-outgoing breaker of end trips again, distribution line is in and closes the block switch of position and lose after voltage separating brake immediately, near
The block switch of trouble point is due to time locking less than fault confirming time of its incoming call combined floodgate to dead electricity separating brake again, it is achieved
The isolation of trouble point；
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of transformer station's outfan, on distribution line not
Close a floodgate successively after the block switch incoming call of locking, recover the power supply of non-faulting section.
Preferably, the adjustment time △ t of block switch comes not less than block switch in all current paths of place circuit
Electricity closing time unifies the maximum of definite value sum.
Preferably, the incoming call closing time of block switch is unified definite value and is designated as " X time ", during the fault recognition of block switch
Between unified definite value be designated as " Y time ", " Y time " is less than " X time ".
Preferably, " X time " is preferably 7 seconds, and " Y time " is preferably 5 seconds.
Preferably, during the self-adaptative adjustment of block switch definite value, after breaking down, if block switch had
Stream warning signal, then incoming call closing time definite value is the unified setting valve arranged；Without crossing stream warning signal, then conjunction of sending a telegram here
Lock time definite value increases an adjustment time △ t on the basis of unified setting valve and forms new incoming call closing time definite value.
Further, distribution line includes the first distribution line and the second distribution line being connected by interconnection switch, therefore
Barrier processing method includes fault treating procedure when fault treating procedure when network topology is constant and network topology change.
Further, fault treating procedure when network topology is constant comprises the following steps:
The unified definite value of block switch is arranged: set all of block switch on the first distribution line and the second distribution line
Put unified setting valve；
The self-adaptative adjustment of block switch definite value: after the first distribution line breaks down, the first distribution line transformer station is defeated
Go out the wire-outgoing breaker tripping operation of end, separating brake immediately after all of block switch loses voltage on the first distribution line, do not flow through therefore
The incoming call closing time of the block switch of barrier electric current automatically increases by one in the unified basis of valuation and adjusts time △ t；
Fault Isolation: the wire-outgoing breaker of the first distribution line transformer station outfan reclosing, faulty electric current for the first time
The block switch flow through closes a floodgate successively, and when closing a floodgate near the block switch of trouble point, the first distribution line occurs short again
Road fault, the wire-outgoing breaker of the first distribution line transformer station outfan trips again, the first distribution line is in and closes position
Block switch loses after voltage separating brake immediately, and the block switch near trouble point closes a floodgate again dead electricity separating brake due to incoming call
Time locking less than fault confirming time, it is achieved that the isolation of trouble point；
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of the first distribution line transformer station outfan,
Close a floodgate successively after block switch incoming call non-latching on first distribution line, recover the power supply of non-faulting section.
Preferably, fault treating procedure when fault treating procedure during network topology change includes load transfer and circuit
Fault treating procedure during transformation.
Further, fault treating procedure during load transfer comprises the following steps:
The unified definite value of block switch is arranged: block switch all of on load transfer circuit is arranged unified adjusting
Value；
The self-adaptative adjustment of block switch definite value: after load transfer line failure, load transfer circuit transformer station is defeated
Go out the wire-outgoing breaker tripping operation of end, separating brake immediately after all of block switch loses voltage on load transfer circuit, do not flow through therefore
The incoming call closing time of the block switch of barrier electric current automatically increases by one in the unified basis of valuation and adjusts time △ t；
Fault Isolation: the wire-outgoing breaker of load transfer circuit transformer station outfan reclosing, faulty electric current for the first time
The block switch flow through closes a floodgate successively, and when closing a floodgate near the block switch of trouble point, load transfer circuit occurs short again
Road fault, the wire-outgoing breaker of load transfer circuit transformer station outfan trips again, load transfer circuit is in and closes position
Block switch loses after voltage separating brake immediately, and the block switch near trouble point closes a floodgate dead electricity separating brake again due to incoming call
Time less than fault confirming time and locking, it is achieved that the isolation of trouble point；
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of load transfer circuit transformer station outfan,
Close a floodgate successively after block switch incoming call non-latching on load transfer circuit, recover the power supply of non-faulting section.
Further, fault treating procedure during track remodelling comprises the following steps:
Track remodelling: T connects branch line on the main line and/or branch line of distribution line, and branch line is provided with block switch；
The unified definite value of block switch is arranged: all of block switch on the distribution line of transformation is arranged unified adjusting
Value；
The self-adaptative adjustment of block switch definite value: after the distribution line of transformation breaks down, going out of its transformer station's outfan
Line circuit breaker trip, separating brake immediately after all of block switch dead electricity on this distribution line, the segmentation not flowing through fault current is opened
The incoming call closing time closed automatically increases by one in the unified basis of valuation and adjusts time △ t；
Fault Isolation: the distribution line broken down, the wire-outgoing breaker of its transformer station's outfan reclosing for the first time, have
The block switch that fault current flows through closes a floodgate successively, and when closing a floodgate near the block switch of trouble point, this circuit occurs again
Short trouble, the wire-outgoing breaker of its transformer station's outfan trips again, and on this distribution line, all of block switch loses electricity
Separating brake immediately after pressure, near trouble point block switch due to close a floodgate again time of decompression separating brake of incoming call true less than fault
Recognize the time and locking, it is achieved that the isolation of trouble point；
Non-faulting region restores electricity: the distribution line broken down, the wire-outgoing breaker second of its transformer station's outfan
Secondary reclosing, closes a floodgate successively after block switch incoming call non-latching on this distribution line, recovers the power supply of non-faulting section.
The invention has the beneficial effects as follows: the present invention is in fault treating procedure, and wire-outgoing breaker is with some block switches not
Need communication, it is not required that main website participates in, and belongs to the feeder automation fault handling method of type on the spot, and all block switches are adopted
By unified definite value；During fault, block switch definite value carries out self-adaptative adjustment according to crossing stream alarm, ensures all segmentations in circuit
The timing that switch closes a floodgate, solving block switch definite value needs to calculate respectively according to network topology and arrange, and net
Need the problem that remodifies during network change in topology, setting management is greatly reduced, huge work that definite value scene O&M brings
Amount.
What the present invention proposed does not relies on network topology, the novel feeder automation side of coincidence type on the spot of the unified definite value of employing
Formula, by the block switch not flowing through fault current increases incoming call combined floodgate time delay automatically, it is ensured that the timing that switch closes a floodgate, continues
And realize location on the spot and the isolation of fault.The present invention can not only ensure troubleshooting under dissimilar topology variation situation
Accuracy and effectiveness, and need not manually arrange and adjust definite value, have wide in power distribution network operation management is put into practice
Application prospect.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention；
Fig. 2 is the self-adaptative adjustment flow chart of the block switch definite value of the present invention；
Fig. 3 (a-j) is the present invention fault treating procedure schematic diagram when network topology is constant；
Fig. 4 (a-e) is the present invention fault treating procedure schematic diagram when load transfer；
Fig. 5 (a-e) is the present invention fault treating procedure schematic diagram when track remodelling；
In figure, the first distribution line and the second distribution line form contact by interconnection switch L1, CB and CBX is respectively the
One distribution line and the wire-outgoing breaker of the second distribution line, F1-F6 is the block switch of the first distribution line, and FX1-FX3 is
The block switch of the second distribution line, F7 and F8 is the block switch newly adding branch line.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and combine its accompanying drawing, to this
Bright it is described in detail.Following disclosure provides many different embodiments or example for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter parts and setting to specific examples are described.Additionally, the present invention is permissible
Repeat reference numerals and/or letter in different examples.This repetition is for purposes of simplicity and clarity, and itself does not indicates
Relation between various embodiment being discussed and/or arranging.It should be noted that, parts illustrated in the accompanying drawings are not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
A kind of self adaptation type feeder automation fault handling method on the spot being independent of network topology of the present invention, for right
The distribution line failure of different topology structure carries out treatment in situ, and solving block switch definite value needs to count respectively according to network topology
The problem needing to remodify when calculation, setting and network topology change.Firstly the need of the transformer station's outfan at distribution line
Being provided with wire-outgoing breaker, wire-outgoing breaker uses syllogic current mode the means of relay protection, when distribution line breaks down,
Wire-outgoing breaker can automatic brake separating, it is to avoid it is properly functioning that distribution line failure affects transformer station, and wire-outgoing breaker possesses two
Secondary reclosing function；Circuit is provided with some block switches, and block switch is voltage x current type block switch, it is possible to gathers and flows through
The electric current of switch, voltage signal, switch has the characteristic of " dead electricity separating brake, send a telegram here time-delay closing ", can when flowing through fault current
Alarm.
As it is shown in figure 1, described fault handling method includes procedure below:
The unified definite value of block switch is arranged: all of block switch is arranged unified setting valve, block switch whole
Definite value includes that the incoming call closing time of block switch unifies definite value (i.e. " X time ") and fault confirming time unifies definite value (i.e. " Y
Time ")；The X time is preferably 7 seconds, and the Y time is preferably 5 seconds.
The self-adaptative adjustment of block switch definite value: after breaking down, the wire-outgoing breaker tripping operation of transformer station's outfan, with
Time, all of block switch separating brake the most immediately, the incoming call closing time of the block switch not flowing through fault current is arranged original
Unified setting valve on the basis of increase by one adjust time △ t form new incoming call closing time definite value, to ensure block switch
The timing that incoming call closes a floodgate.
Fault Isolation: the wire-outgoing breaker of transformer station's outfan reclosing for the first time, the segmentation that faulty electric current flows through is opened
Closing and close a floodgate successively, when closing a floodgate near the block switch of trouble point, distribution line is short-circuited fault again, and transformer station exports
The wire-outgoing breaker of end trips again, and all of block switch separating brake the most immediately on distribution line, now, near trouble point
Block switch close a floodgate time locking less than fault confirming time of decompression separating brake again due to incoming call, it is achieved that trouble point
Isolation.
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of transformer station's outfan, on distribution line not
The block switch of locking is sent a telegram here combined floodgate successively, and the distribution line recovering non-faulting section is powered.
Preferably, in all current paths that adjustment time △ t is its place circuit of block switch, block switch closes a floodgate
The maximum of time unification definite value sum, ensures the timing that in circuit, all block switches close a floodgate.Block switch institute is online
There is a Multi-path electricity circulation flow path on road, adjusts time △ t and is chosen as block switch incoming call closing time and unifies maximum that of definite value sum
Current path, and △ t be on this road current path block switch incoming call closing time unify definite value sum.
As in figure 2 it is shown, during the self-adaptative adjustment of block switch definite value, after breaking down, if block switch
Had stream warning signal, then incoming call closing time is the unified setting valve arranged；Without crossing stream warning signal, then conjunction of sending a telegram here
The lock time increases an adjustment time △ t on the basis of the unified setting valve arranged and forms new incoming call closing time definite value.
Further, distribution line includes the first distribution line and the second distribution line being connected by interconnection switch, therefore
Barrier processing method includes fault treating procedure when fault treating procedure when network topology is constant and network topology change.
As it is shown on figure 3, under short circuit fault condition, fault treating procedure when network topology is constant includes walking in detail below
Rapid:
A) distribution line normal power supply.
B) F point breaks down, and wire-outgoing breaker CB detects line fault, and protection act trips, the first distribution line institute
There are voltage-type switch all separating brakes because of decompression.Switch F1, F4 that faulty electric current flows through, the unification that its " X time " holding is arranged
Setting valve, such as 7 seconds.Not having other switches that fault current flows through, its " X time " increases △ t on the basis of setting valve, such as 7+ △
The t second.
C) the first distribution line wire-outgoing breaker CB reclosing for the first time.
D), after 7 seconds, the block switch F1 of the first distribution line closes a floodgate.
E), after 7 seconds, the first distribution line block switch F4 closes a floodgate.
F) because of block switch F4 He Zhong Library point, the first distribution line wire-outgoing breaker CB protection act again tripping operation,
All block switch dead electricity separating brakes again being in conjunction position on circuit, block switch F4 is because closing a floodgate to dead electricity separating brake again from incoming call
Time much smaller than fault confirming time and locking, it is achieved that the isolation of trouble point.
G) the first distribution line wire-outgoing breaker CB second time reclosing, recovers back segment and powers.
H) after 7 seconds, the first distribution line block switch F1 closes a floodgate, and recovers back segment and powers.
I) after the 7+ △ t second, the first distribution line block switch F2 closes a floodgate, and recovers back segment and powers.
J) after the 7+ △ t second, the first distribution line block switch F3 and F6 closes a floodgate simultaneously, recovers back segment and powers.
Preferably, fault treating procedure when fault treating procedure during network topology change includes load transfer and circuit
Fault treating procedure during transformation.
As shown in Figure 4, the back segment load of the first distribution line block switch F1 is turned confession, load transfer by the second distribution line
Time fault treating procedure include step in detail below:
A) circuit normal power supply.
B) F point breaks down, and the wire-outgoing breaker CBX of the second distribution line detects line fault, and protection act trips,
All block switches all separating brakes because of dead electricity on load crossover.Block switch FX1 that faulty electric current flows through, FX2, contact are opened
Closing L1, block switch F3, F2, F4, their " X time " all kept the unified setting valve arranged, such as 7 seconds.There is no fault current
Other block switches flow through, its " X time " increases △ t, such as the 7+ △ t second on the basis of unified setting valve.
C) the wire-outgoing breaker CBX of the second distribution line reclosing for the first time.Block switch FX1, FX2, interconnection switch L1,
Block switch F3, F2, F4 close a floodgate successively.
D) because of block switch F4 He Zhong Library point, the wire-outgoing breaker CBX protection act again of the second distribution line is jumped
Lock, all block switch dead electricity separating brakes again being in conjunction position on circuit, block switch F4 is because closing a floodgate to dead electricity again from incoming call
The time of separating brake locking much smaller than fault confirming time, it is achieved that the isolation of trouble point.
E) the second distribution line wire-outgoing breaker CBX second time reclosing, block switch FX1, FX2, interconnection switch L1,
Block switch F3, F2, FX3, F6 close a floodgate successively, recover the power supply of non-faulting section.
As it is shown in figure 5, the main line T between the first distribution line block switch F1 and F2 connects installs propping up of block switch F7 additional
Circuit, between block switch F4 and F5, branch line T connects the branch line installing block switch F8 additional.Troubleshooting during track remodelling
Journey includes step in detail below:
A) circuit normal power supply.
B) F point breaks down, and wire-outgoing breaker CB detects line fault, and protection act trips, on the first distribution line
All block switches all separating brakes because of decompression.Block switch F1 and F4 that faulty electric current flows through, its " X time " is the system arranged
One setting valve, such as 7 seconds.Not having other block switches that fault current flows through, its " X time " increases △ t on the basis of setting valve,
Such as the 7+ △ t second.
C) the wire-outgoing breaker CB of the first distribution line reclosing for the first time.Block switch F1 and F4 closes a floodgate successively.
D) because of block switch F4 He Zhong Library point, wire-outgoing breaker CB protection act again trips, meanwhile, and institute on circuit
Having and be in the block switch dead electricity separating brake again closing position, block switch F4 is because closing a floodgate remote to the time of dead electricity separating brake again from incoming call
The locking less than fault confirming time, it is achieved that the isolation of trouble point.
E) the wire-outgoing breaker CB second time reclosing of the first distribution line, after 7 seconds, block switch F1 closes a floodgate, the 7+ △ t second
Rear F2 with F7 closes a floodgate simultaneously, and after the 7+ △ t second, F3 with F6 closes a floodgate simultaneously, recovers the power supply of non-faulting section.
The present invention proposes the self adaptation type feeder automation pattern on the spot of a kind of integrated voltage, electric current criterion, this pattern
All block switches use unified definite value, after breaking down, by automatically increasing the block switch not flowing through fault current
Incoming call combined floodgate time delay, ensures the timing that the multiple switch of circuit closes a floodgate, thus the feeder line realizing coincidence system on the spot is automatic
Change.
By normal power supply mode, opposite direction power supply mode, fault treating procedure in the case of rack adjusts are carried out point
Analysis, shows that this feeder automation pattern all can realize being properly positioned and isolating of fault under heterogeneous networks topology situation.Because being somebody's turn to do
Pattern need not artificial according to switch topology relation calculating and setting definite value one by one, it is not necessary to along with network topology change amendment is fixed
Value, the huge workload that therefore setting management will be greatly decreased, definite value scene O&M brings, this pattern is in distribution network construction and fortune
Dimension management practice has broad application prospects.
Relative to traditional mode, the invention have the advantages that
1) all block switches use unified definite value, it is not necessary to calculate one by one according to circuit network topology and arrange.
2) during line topological change, it is not necessary to recalculate and adjust block switch definite value.
Additionally, the range of application of the present invention is not limited to the technique of specific embodiment described in description, mechanism, system
Make, material composition, means, method and step.From the disclosure, will be easily as those of ordinary skill in the art
Ground understands, for the technique having existed at present or will having developed later, mechanism, manufacture, material composition, means, method or
Step, wherein they perform the knot that the function that is substantially the same of corresponding embodiment or acquisition with present invention description are substantially the same
Really, they can be applied according to the present invention.Therefore, claims of the present invention are intended to these technique, mechanism, system
Make, material composition, means, method or step are included in its protection domain.
Claims (10)
1. it is independent of the self adaptation type feeder automation fault handling method on the spot of network topology, for different topology structure
Distribution line carries out fault treatment in situ, it is characterized in that:
Transformer station's outfan at distribution line is provided with wire-outgoing breaker, and wire-outgoing breaker uses syllogic current mode relay to protect
Protect mode, when distribution line breaks down, wire-outgoing breaker can automatic brake separating, and wire-outgoing breaker possesses secondary reclosing
Function；Distribution line is provided with some block switches, and block switch uses voltage x current type block switch, it is possible to gathers and flows through out
The electric current of pass, voltage signal, switch has the characteristic of " dead electricity separating brake, time-delay closing of sending a telegram here ", can accuse when flowing through fault current
Alert；
Described fault handling method includes procedure below:
The unified definite value of block switch is arranged: all of block switch is arranged unified setting valve, the setting valve of block switch
Incoming call closing time including block switch unifies definite value and fault confirming time unifies definite value；
The self-adaptative adjustment of block switch definite value: after breaking down, the wire-outgoing breaker tripping operation of distribution line transformer station outfan,
All of block switch loses after voltage separating brake immediately, does not flows through the incoming call closing time of block switch of fault current originally
Automatically increase by one in the unified basis of valuation arranged and adjust time △ t, form new incoming call closing time definite value；
Fault Isolation: the wire-outgoing breaker of transformer station's outfan reclosing for the first time, the block switch that faulty electric current flows through depends on
Secondary combined floodgate, when closing a floodgate near the block switch of trouble point, distribution line is short-circuited fault again, transformer station's outfan
Wire-outgoing breaker trips again, distribution line is in and closes the block switch of position and lose after voltage separating brake immediately, near fault
The block switch of point is due to time locking less than fault confirming time of its incoming call combined floodgate to dead electricity separating brake again, it is achieved that therefore
The isolation of barrier point；
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of transformer station's outfan, non-latching on distribution line
Block switch incoming call after close a floodgate successively, recover non-faulting section power supply.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 1,
It is characterized in that, the adjustment time △ t of block switch closes a floodgate not less than block switch incoming call in all current paths of place circuit
The maximum of time unification definite value sum.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 1,
It is characterized in that, the incoming call closing time of block switch is unified definite value and is designated as " X time ", and the fault confirming time of block switch is unified
Definite value is designated as " Y time ", and " Y time " is less than " X time ".
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 3,
It is characterized in that, " X time " is preferably 7 seconds, and " Y time " is preferably 5 seconds.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 1,
It is characterized in that, during the self-adaptative adjustment of block switch definite value, after breaking down, if block switch had stream alarm
Signal, then incoming call closing time definite value is the unified setting valve arranged；Without crossing stream warning signal, then closing time of sending a telegram here
Definite value increases an adjustment time △ t on the basis of unified setting valve and forms new incoming call closing time definite value.
6. according to the type feeder automation on the spot of the self adaptation being independent of network topology described in claim 1 to 5 any one event
Barrier processing method, is characterized in that, distribution line includes the first distribution line and the second distribution line being connected by interconnection switch,
Fault handling method includes fault treating procedure when fault treating procedure when network topology is constant and network topology change.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 6,
It is characterized in that, fault treating procedure when network topology is constant comprises the following steps:
The unified definite value of block switch is arranged: all of block switch on the first distribution line and the second distribution line is arranged system
The setting valve of one；
The self-adaptative adjustment of block switch definite value: after the first distribution line breaks down, the first distribution line transformer station outfan
Wire-outgoing breaker tripping operation, separating brake immediately after all of block switch loses voltage on the first distribution line, do not flow through fault electricity
The incoming call closing time of the block switch of stream automatically increases by one in the unified basis of valuation and adjusts time △ t；
Fault Isolation: the wire-outgoing breaker of the first distribution line transformer station outfan reclosing for the first time, faulty electric current flows through
Block switch close a floodgate successively, when near trouble point block switch close a floodgate time, the first distribution line be again short-circuited therefore
Barrier, the wire-outgoing breaker of the first distribution line transformer station outfan trips again, and the first distribution line is in the segmentation closing position
Switch loses after voltage separating brake immediately, and the block switch near trouble point closes a floodgate again time of dead electricity separating brake due to incoming call
The locking less than fault confirming time, it is achieved that the isolation of trouble point；
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of the first distribution line transformer station outfan, and first
Close a floodgate successively after block switch incoming call non-latching on distribution line, recover the power supply of non-faulting section.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 6,
It is characterized in that, when fault treating procedure when fault treating procedure during network topology change includes load transfer and track remodelling
Fault treating procedure.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 8,
It is characterized in that, fault treating procedure during load transfer comprises the following steps:
The unified definite value of block switch is arranged: block switch all of on load transfer circuit is arranged unified setting valve；
The self-adaptative adjustment of block switch definite value: after load transfer line failure, load transfer circuit transformer station outfan
Wire-outgoing breaker tripping operation, separating brake immediately after all of block switch loses voltage on load transfer circuit, do not flow through fault electricity
The incoming call closing time of the block switch of stream automatically increases by one in the unified basis of valuation and adjusts time △ t；
Fault Isolation: the wire-outgoing breaker of load transfer circuit transformer station outfan reclosing for the first time, faulty electric current flows through
Block switch close a floodgate successively, when near trouble point block switch close a floodgate time, load transfer circuit be again short-circuited therefore
Barrier, the wire-outgoing breaker of load transfer circuit transformer station outfan trips again, and load transfer circuit is in the segmentation closing position
Switch loses after voltage separating brake immediately, and the block switch near trouble point closes a floodgate again time of dead electricity separating brake due to incoming call
The locking less than fault confirming time, it is achieved that the isolation of trouble point；
Non-faulting region restores electricity: the wire-outgoing breaker second time reclosing of load transfer circuit transformer station outfan, load
Turn for closing a floodgate successively after block switch incoming call non-latching on circuit, recover the power supply of non-faulting section.
The self adaptation type feeder automation fault handling method on the spot being independent of network topology the most according to claim 8,
It is characterized in that, fault treating procedure during track remodelling comprises the following steps:
Track remodelling: T connects branch line on the main line and/or branch line of distribution line, and branch line is provided with block switch；
The unified definite value of block switch is arranged: all of block switch on the distribution line of transformation is arranged unified setting valve；
The self-adaptative adjustment of block switch definite value: after the distribution line of transformation breaks down, the outlet of its transformer station's outfan is broken
The tripping operation of road device, on this distribution line, separating brake immediately after all of block switch dead electricity, does not flows through the block switch of fault current
Incoming call closing time automatically increases by one in the unified basis of valuation and adjusts time △ t；
Fault Isolation: the distribution line broken down, the wire-outgoing breaker of its transformer station's outfan reclosing for the first time, faulty
The block switch that electric current flows through closes a floodgate successively, and when closing a floodgate near the block switch of trouble point, this circuit is short-circuited again
Fault, the wire-outgoing breaker of its transformer station's outfan trips again, after on this distribution line, all of block switch loses voltage
Separating brake immediately, near trouble point block switch due to incoming call close a floodgate time of decompression separating brake again less than fault recognition time
Between and locking, it is achieved that the isolation of trouble point；
Non-faulting region restores electricity: the distribution line broken down, the wire-outgoing breaker second time weight of its transformer station's outfan
Close a floodgate, close a floodgate successively after block switch incoming call non-latching on this distribution line, recover the power supply of non-faulting section.
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| CN201610631388.4A CN106300285A (en) | 2016-08-04 | 2016-08-04 | It is independent of the self adaptation type feeder automation fault handling method on the spot of network topology |
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| CN108448545A (en) * | 2018-04-12 | 2018-08-24 | 国网湖北省电力有限公司电力科学研究院 | A kind of formula feeder automation fault handling method of coincidence on the spot based on breaker |
| CN108666991A (en) * | 2018-06-19 | 2018-10-16 | 西安兴汇电力科技有限公司 | A kind of no-delay Graded coordination method of feeder automation intelligent on the spot and application |
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| CN109038475A (en) * | 2018-08-31 | 2018-12-18 | 广东电网有限责任公司 | A kind of distribution network overhead line self-recovery method based on voltage time logic |
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| CN113690835A (en) * | 2021-07-14 | 2021-11-23 | 广西电网有限责任公司电力科学研究院 | Detection method for short-circuit fault section of in-situ overlapping type feeder automation line |
| CN113690834A (en) * | 2021-07-14 | 2021-11-23 | 广西电网有限责任公司电力科学研究院 | Overlapping type feeder automation line short circuit fault interval detection system on spot |
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| CN107947133A (en) * | 2017-12-05 | 2018-04-20 | 珠海许继电气有限公司 | A kind of distribution line failure processing method based on the two-channel wireless communication technology |
| CN107994554A (en) * | 2017-12-29 | 2018-05-04 | 广东电网有限责任公司韶关供电局 | A kind of line fault lookup method |
| CN108037406A (en) * | 2017-12-29 | 2018-05-15 | 广东电网有限责任公司韶关供电局 | A kind of line fault lookup method |
| CN108448545A (en) * | 2018-04-12 | 2018-08-24 | 国网湖北省电力有限公司电力科学研究院 | A kind of formula feeder automation fault handling method of coincidence on the spot based on breaker |
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| CN109038475A (en) * | 2018-08-31 | 2018-12-18 | 广东电网有限责任公司 | A kind of distribution network overhead line self-recovery method based on voltage time logic |
| CN109245072A (en) * | 2018-09-17 | 2019-01-18 | 南京国电南自电网自动化有限公司 | Adaptive type feeder automation fault handling method on the spot based on region serial number |
| CN111244879A (en) * | 2018-11-29 | 2020-06-05 | 中国电力科学研究院有限公司 | X time limit setting method and system for in-situ feeder automation terminal |
| CN111244879B (en) * | 2018-11-29 | 2024-05-14 | 中国电力科学研究院有限公司 | X-limit setting method and system for in-situ feeder automation terminal |
| CN111327028A (en) * | 2020-04-02 | 2020-06-23 | 中国南方电网有限责任公司 | Method for realizing protection constant value setting calculation under different topologies by utilizing K-Means clustering |
| CN111327028B (en) * | 2020-04-02 | 2022-03-15 | 中国南方电网有限责任公司 | Method for realizing protection constant value setting calculation under different topologies by utilizing K-Means clustering |
| CN113690835A (en) * | 2021-07-14 | 2021-11-23 | 广西电网有限责任公司电力科学研究院 | Detection method for short-circuit fault section of in-situ overlapping type feeder automation line |
| CN113690834A (en) * | 2021-07-14 | 2021-11-23 | 广西电网有限责任公司电力科学研究院 | Overlapping type feeder automation line short circuit fault interval detection system on spot |
| CN113991622A (en) * | 2021-10-29 | 2022-01-28 | 武汉市速隔迅联电力科技有限公司 | Feeder automation voltage-loss brake-separating delay strategy and setting method |
| CN113991622B (en) * | 2021-10-29 | 2023-07-18 | 武汉市速隔迅联电力科技有限公司 | Feeder line automatic voltage-losing and switching-off delay strategy and setting method |
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Effective date of registration: 20170419 Address after: 250012 Shandong Province, Ji'nan City Central Luoyuan Street No. 238 Applicant after: Jinan Power Supply Company, State Grid Shandong Electric Power Company Applicant after: State Grid Corporation of China Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: Jinan Power Supply Company, State Grid Shandong Electric Power Company |
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