CN107565523A - A kind of full load switch feeder fault control method - Google Patents
A kind of full load switch feeder fault control method Download PDFInfo
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- CN107565523A CN107565523A CN201710930606.9A CN201710930606A CN107565523A CN 107565523 A CN107565523 A CN 107565523A CN 201710930606 A CN201710930606 A CN 201710930606A CN 107565523 A CN107565523 A CN 107565523A
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- load switch
- transformer station
- switch
- failure
- fault
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Abstract
A kind of full load switch feeder fault control method, belongs to power system automation field.It is characterized in that：Comprise the following steps：Step 1001, functional configuration；Step 1002 ~ 1003, the tripping operation of failure side transformer station and reclosing after failure.Step 1004, on-load switch closes a floodgate.Step 1005 ~ 1006, second of tripping operation of failure side transformer station outlet switch after failure is detected again；Step 1007, into Y time limit lockings.Step 1008, the on-load switch of the fault section other end detects that residual voltage performs step 1009, otherwise performs step 1010；Step 1009, into X time limit lockings；Step 1010, on-load switch performs step 1004 ~ step 1007.Step 1011, faulty section power supply is recovered；Step 1011 ~ step 1012, restore electricity；This full load switch feeder fault control method, participated in without main website, reduce transformer station's reclosing number and on-load switch divide-shut brake number.
Description
Technical field
A kind of full load switch feeder fault control method, belongs to power system automation field.
Background technology
The feeder line of existing domestic application is overlapped by segmentation on-load switch controller monitoring device and transformer station's outlet switch
Lock is used cooperatively, and when short trouble occurs for circuit, transformer station's outlet switch will at least carry out reclosing twice, feeder line controller
The isolation of failure and the ability that fault-free region restores electricity could be realized by carrying out divide-shut brake three times, because transformer station's outlet is opened
Close reclosing often, feeder line supervising device action frequency is more, and the impact to whole circuit is larger, therefore is unfavorable for improving power supply
The related requests such as q＆r, simultaneously for the judgement of failure, judged by main website, therefore deterministic process is more numerous
It is trivial.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art, there is provided it is a kind of to be participated in without main website, reduce
The full load switch feeder fault control method of transformer station's reclosing number and on-load switch divide-shut brake number.
The technical solution adopted for the present invention to solve the technical problems is：The full load switch feeder fault control method,
Multiple on-load switches are provided between the transformer station at feeder line both ends, wherein any one on-load switch is interconnection switch, trouble point
It is fault section between the on-load switch of trouble point both sides, positioned at interconnection switch failure between any two on-load switch
The transformer station of point side is failure side transformer station, and the transformer station of interconnection switch opposite side is non-faulting side transformer station；
It is characterized in that：Comprise the following steps：
Step 1001, functional configuration is carried out to the transformer station on feeder line, on-load switch and interconnection switch；
Step 1002, short trouble occurs in feeder line；
Step 1003, failure side transformer station detects over current fault, the tripping operation of its outlet switch, interconnection switch and failure side transformer station
Between on-load switch decompression tripping operation, again be delayed after, failure side transformer station carry out first time reclosing；
Step 1004, stood from the power transformation of failure side, the on-load switch between failure side transformer station and interconnection switch closes a floodgate successively；
Step 1005, failure side transformer station judges whether to detect failure again, if detecting failure again, performs step successively
Rapid 1006 ~ step 1012, if not detecting failure again, step 1013 ~ step 1015 is performed successively；
Step 1006, if the on-load switch to be closed a floodgate for the last time in step 1004 breaks down again after closing a floodgate, represent
The short trouble occurred in trouble point is that the on-load switch to be closed a floodgate for the last time in permanent fault and step 1004 is located at failure
One end of section, after failure side transformer station detects failure, second of overcurrent tripping；
Step 1007, the on-load switch o-volt protection tripping operation closed a floodgate for the last time in step 1004, and enter Y time limit lockings；
Step 1008, whether the on-load switch of the fault section other end detects residual voltage, if detecting residual voltage, performs step
1009, if being not detected by residual voltage, perform step 1010；
Step 1009, the on-load switch of the fault section other end enters X time limit lockings；
Step 1010, from interconnection switch, the on-load switch between interconnection switch and fault section performs step 1004 ~ step successively
Rapid 1007；The on-load switch of the fault section other end enters Y time limit lockings, by fault section isolation；
Step 1011, second of combined floodgate of failure side transformer station, restores electricity between fault section and failure side transformer station；
Step 1012, interconnection switch starts contact closing function, and the on-load switch between interconnection switch and fault section is without pressing
Lock and locking decompression separating brake, restore electricity between fault section and non-faulting side transformer station；
Step 1013, on-load switch closing success, and locking o-volt protection；
Step 1014, if all on-load switches are completed to close a floodgate, and complete to close a floodgate if all of on-load switch, perform step
Rapid 1015；If also on-load switch does not close a floodgate, return to step 1004；
Step 1015, the failure that trouble point occurs is transient fault, the on-load switch between failure side transformer station and interconnection switch
Whole closing success, restore electricity.
Preferably, in described step 1001, described functional configuration includes：Described transformer station's configuration excessively stream is protected
Protective function and twice reclosing function；Distribution monitor device configuration o-volt protection function and event corresponding to described on-load switch
Hinder detection function；Described tie switches allocation contact closing function.
Preferably, described interconnection switch, which is in, divides position.
Compared with prior art, beneficial effect possessed by the present invention is：
By this full load switch feeder fault control method, the feeder line of on-load switch type is when breaking down, power transformation
Outlet switch of standing only needs reclosing twice, and feeder line supervising device need to only close a floodgate once when combined floodgate arrives fault-free section, if closed
Lock then carries out decompression trip operation twice to permanent fault area and can be achieved with Fault Isolation and restore electricity, and the method is significantly imitated
Fruit is the reduction of the divide-shut brake number of transformer station's reclosing number and line switching, greatly reduces in the prior art repeatedly coincidence
Impact of the lock to circuit, improves power supply quality, ensure that power supply reliability.Fault Isolation is realized on the spot and recovers to supply simultaneously
The ability of electricity, participated in without main website, simplify judgement flow.
Brief description of the drawings
Fig. 1 is full load switch feeder fault control method flow chart.
Fig. 2 ~ Figure 10 is full load switch feeder fault control method feeder line control schematic diagram.
Wherein：1st, transformer station 2, on-load switch 3, interconnection switch.
Embodiment
Fig. 1 ~ 10 are highly preferred embodiment of the present invention, and 1 ~ 10 the present invention will be further described below in conjunction with the accompanying drawings.
As shown in Fig. 2 being respectively arranged with a transformer station 1 at the both ends of one section of feeder line, set between Liang Ge transformer stations 1
There are some on-load switches 2, wherein any one on-load switch 2 is defined as interconnection switch 3.Two power transformations in the present embodiment
Stand and be provided with six on-load switches 2 between 1, on-load switch S1 ~ on-load switch S6 is followed successively by, in on-load switch S5 and on-load switch
On-load switch 2 between S6 is defined as interconnection switch 3, is defined as interconnection switch LS.In the feeder line control shown in Fig. 2 ~ Figure 10
In schematic diagram, transformer station 1, on-load switch 2 and interconnection switch 3, the transformer station 1 being identified with black solid or on-load switch
2 or interconnection switch 3 be in and close position state, at the transformer station 1 being identified with white framework or on-load switch 2 or interconnection switch 3
In dividing position state.
As shown in figure 1, a kind of full load switch feeder fault control method, comprises the following steps：
Step 1001, functional configuration is carried out；
On feeder line, functional configuration, wherein feeder line two are carried out to the transformer station 1 at its both ends, on-load switch 2 and interconnection switch 3
The transformer station 1 at end is configured with overcurrent protection function and twice reclosing function, the distribution monitor dress corresponding to on-load switch S1 ~ S6
Put configuration o-volt protection function and fault detection capability, the configuration contact closing function of interconnection switch 3.
Step 1002, short trouble occurs in feeder line；
Short trouble occurs in feeder line, in this example, it is assumed that short trouble occurs in on-load switch S3 and on-load switch
Between S4, as shown in figure 3, the section between on-load switch S3 and breakdown switch S4 is fault section.It is base with interconnection switch 3
Point, the transformer station 1 positioned at the trouble point side of interconnection switch 3 are designated as failure side transformer station（Transformer station CB1）, positioned at interconnection switch 3
The transformer station 1 of trouble point opposite side is designated as non-faulting side transformer station（Transformer station CB2）.
Step 1003, failure side transformer station outlet switch is tripped, and the load between interconnection switch 3 and failure side transformer station is opened
Close decompression tripping operation, failure side transformer station reclosing；
After short trouble occurs in feeder line, failure side transformer station（Transformer station CB1）Over current fault is detected, it goes out after delay
Wiretap trips, the on-load switch S1 between interconnection switch 3 and transformer station CB1 ~ on-load switch S5 decompressions tripping operation, as shown in Figure 4
After being delayed again, transformer station CB1 carries out first time reclosing, as shown in Figure 5.
Step 1004, on-load switch closes a floodgate successively；
With failure side transformer station（Transformer station CB1）For starting point, the on-load switch 2 between failure side transformer station and interconnection switch is successively
Close a floodgate.
Step 1005, if detect failure again；
Failure side transformer station judges whether to detect failure again, if detecting failure again, performs step 1006 ~ step successively
Rapid 1012, if not detecting failure again, step 1013 ~ step 1015 is performed successively.
Step 1006, second of tripping operation of failure side transformer station outlet switch；
If the on-load switch 2 to close a floodgate for the last time in step 1004 breaks down again after closing a floodgate, represent to occur in event
The short trouble of barrier point is permanent fault, after failure side transformer station detects failure, second of overcurrent tripping, such as Fig. 8 institutes
Show.After the situation for reproduction of breaking down, while represent to occur to close a floodgate in last time（Fault recurrence after combined floodgate）It is negative
Lotus switch 2（On-load switch S3 in Fig. 8）For the end points of fault section.
Step 1007, the on-load switch that last time is closed a floodgate trips and enters Y time limit lockings；
Last time is closed a floodgate（Fault recurrence after combined floodgate）On-load switch o-volt protection tripping operation, and enter Y time limit lockings.With reference to
Fig. 8, because trouble point occurs between on-load switch S3 and on-load switch S4, therefore failure weight after on-load switch S3 closes a floodgate
It is existing, now on-load switch S3 o-volt protections tripping operation, and enter Y time limit lockings.
Step 1008, whether the on-load switch of the fault section other end detects residual voltage, if detecting residual voltage, performs step
Rapid 1009, if being not detected by residual voltage, perform step 1010.
Step 1009, into X time limit lockings；
The on-load switch of the fault section other end（On-load switch S4 in Fig. 8）Into X time limit lockings.
Step 1010, from interconnection switch be starting point to fault section direction, the load between interconnection switch and fault section
Switch performs step 1004 ~ step 1007 successively.
With reference to Fig. 9, since interconnection switch 3, there is voltage side without pressure in on-load switch S5 sides, after closing a floodgate and being delayed
On-load switch S5 closing success and locking o-volt protection；On-load switch S4 is fault section relative to on-load switch S3 opposite sides
On-load switch, therefore on-load switch S4 enters Y time limit lockings, and fault section is isolated.
Step 1011, the power supply between faulty section and failure side transformer station is recovered；
Failure side transformer station（Transformer station CB1）Second of closing success, restored electricity between fault section and failure side transformer station.
Step 1012, the power supply between fault section and non-faulting side transformer station is recovered；
Interconnection switch 3 starts contact closing function, and after delay, on-load switch S5 switches divide position, and side You Ya sides are without pressing lock
And locking decompression separating brake, restored electricity between fault section and non-faulting side transformer station.
Step 1013, the 2-in-1 lock success of on-load switch, and locking o-volt protection；
If not detecting failure after the 2-in-1 lock of on-load switch again, the 2-in-1 lock success of on-load switch, locking decompression is protected after delay
Shield；
With reference to Fig. 6, there is voltage side without pressure in on-load switch S1 sides, and on-load switch S1 closing success is simultaneously after closing a floodgate and being delayed
Locking o-volt protection；There is voltage side without pressure in on-load switch S2 sides, on-load switch S2 closing success after closing a floodgate and being delayed
And locking o-volt protection, as shown in Figure 7.
Step 1014, if all on-load switches 2 are completed to close a floodgate；
Whether all on-load switches 2 are completed to close a floodgate, and complete to close a floodgate if all of on-load switch 2, perform step 1015；
If also on-load switch 2 does not close a floodgate, return to step 1004.
Step 1015, restore electricity；
The failure that trouble point occurs be transient fault, on-load switch between failure side transformer station and interconnection switch all combined floodgates into
Work(, restore electricity, as shown in Figure 10.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (3)
1. a kind of full load switch feeder fault control method, the transformer station at feeder line both ends（1）Between be provided with multiple loads and open
Close（2）, wherein any one on-load switch（2）For interconnection switch（3）, trouble point is located at any two on-load switch（2）Between,
The on-load switch of trouble point both sides（2）Between be fault section, positioned at interconnection switch（3）The transformer station of trouble point side is failure
Side transformer station, interconnection switch（3）The transformer station of opposite side is non-faulting side transformer station；
It is characterized in that：Comprise the following steps：
Step 1001, to the transformer station on feeder line（1）, on-load switch（2）And interconnection switch（3）Carry out functional configuration；
Step 1002, short trouble occurs in feeder line；
Step 1003, failure side transformer station detects over current fault, the tripping operation of its outlet switch, interconnection switch（3）Become with failure side
On-load switch decompression tripping operation between power station, after being delayed again, failure side transformer station carries out first time reclosing；
Step 1004, stood from the power transformation of failure side, the on-load switch between failure side transformer station and interconnection switch（2）Close successively
Lock；
Step 1005, failure side transformer station judges whether to detect failure again, if detecting failure again, performs step successively
Rapid 1006 ~ step 1012, if not detecting failure again, step 1013 ~ step 1015 is performed successively；
Step 1006, if the on-load switch to be closed a floodgate for the last time in step 1004（2）Broken down again after closing a floodgate, table
Show the on-load switch for occurring to be closed a floodgate for the last time in the short trouble of trouble point is permanent fault and step 1004（2）It is located at
One end of fault section, after failure side transformer station detects failure, second of overcurrent tripping；
Step 1007, the on-load switch to be closed a floodgate for the last time in step 1004（2）O-volt protection is tripped, and enters Y time limit lockings；
Step 1008, whether the on-load switch of the fault section other end detects residual voltage, if detecting residual voltage, performs step
1009, if being not detected by residual voltage, perform step 1010；
Step 1009, the on-load switch of the fault section other end enters X time limit lockings；
Step 1010, from interconnection switch（3）Rise, interconnection switch（3）On-load switch between fault section（2）Step is performed successively
Rapid 1004 ~ step 1007；The on-load switch of the fault section other end enters Y time limit lockings, by fault section isolation；
Step 1011, second of combined floodgate of failure side transformer station, restores electricity between fault section and failure side transformer station；
Step 1012, interconnection switch（3）Start contact closing function, interconnection switch（3）On-load switch between fault section
Without pressing lock and locking decompression separating brake, restored electricity between fault section and non-faulting side transformer station；
Step 1013, on-load switch（2）Closing success, and locking o-volt protection；
Step 1014, if all on-load switches（2）Complete to close a floodgate, if all of on-load switch（2）Complete to close a floodgate,
Perform step 1015；If also on-load switch（2）Do not close a floodgate, return to step 1004；
Step 1015, the failure that trouble point occurs is transient fault, failure side transformer station and interconnection switch（3）Between load open
Whole closing success are closed, are restored electricity.
2. full load switch feeder fault control method according to claim 1, it is characterised in that：In described step
In 1001, described functional configuration includes：To described transformer station（1）Configure overcurrent protection function and twice reclosing function；
Described on-load switch（2）Corresponding distribution monitor device configuration o-volt protection function and fault detection capability；Described connection
Network switchs（3）Configuration contact closing function.
3. full load switch feeder fault control method according to claim 1 or 2, it is characterised in that：Described contact
Switch（3）In dividing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710930606.9A CN107565523A (en) | 2017-10-09 | 2017-10-09 | A kind of full load switch feeder fault control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710930606.9A CN107565523A (en) | 2017-10-09 | 2017-10-09 | A kind of full load switch feeder fault control method |
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| CN107565523A true CN107565523A (en) | 2018-01-09 |
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| CN201710930606.9A Pending CN107565523A (en) | 2017-10-09 | 2017-10-09 | A kind of full load switch feeder fault control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556801A (en) * | 2019-09-11 | 2019-12-10 | 云南电力技术有限责任公司 | power distribution automation FTU locking protection method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916409A (en) * | 2012-11-13 | 2013-02-06 | 山东电力集团公司济南供电公司 | Voltage-time type feeder automation running method based on parameter adjustment |
-
2017
- 2017-10-09 CN CN201710930606.9A patent/CN107565523A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916409A (en) * | 2012-11-13 | 2013-02-06 | 山东电力集团公司济南供电公司 | Voltage-time type feeder automation running method based on parameter adjustment |
Non-Patent Citations (2)
| Title |
|---|
| 张醒民: "配电网电压-时间馈线自动化配电开关优化规划", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 杨学明: "配网馈线自动化方案研讨", 《广西电业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556801A (en) * | 2019-09-11 | 2019-12-10 | 云南电力技术有限责任公司 | power distribution automation FTU locking protection method |
| CN110556801B (en) * | 2019-09-11 | 2021-07-20 | 云南电力技术有限责任公司 | Power distribution automation FTU locking protection method |
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Application publication date: 20180109 |