CN107947133A - A kind of distribution line failure processing method based on the two-channel wireless communication technology - Google Patents
A kind of distribution line failure processing method based on the two-channel wireless communication technology Download PDFInfo
- Publication number
- CN107947133A CN107947133A CN201711263806.XA CN201711263806A CN107947133A CN 107947133 A CN107947133 A CN 107947133A CN 201711263806 A CN201711263806 A CN 201711263806A CN 107947133 A CN107947133 A CN 107947133A
- Authority
- CN
- China
- Prior art keywords
- feeder switch
- floodgate
- wire
- distribution line
- wireless communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H02H7/263—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 measured values
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of distribution line failure processing method based on the two-channel wireless communication technology of the present invention, it is characterised in that：First power transmission is carried out to power distribution network, corresponding detection is carried out using wire-outgoing breaker and/or feeder switch and remembers Reflector, corresponding combined floodgate or separating brake are carried out to wire-outgoing breaker and/or feeder switch according to testing result；Wire-outgoing breaker closes a floodgate after separating brake in certain time, and feeder switch enables information exchange when obtaining electric and faulty mark, and failure judgement section is simultaneously isolated, feeder switch is corresponded to according to fault section position and does not close a floodgate or closes a floodgate；Next stage feeder switch obtains electric and faulty mark, starts information exchange, and failure judgement section is simultaneously isolated, feeder switch is not closed a floodgate or closed a floodgate according to fault section position；Wire-outgoing breaker passes through single shot reclosing, completes the detection and isolation of failure.Beneficial effects of the present invention are：Reduce substation's reclosing number and reduce the power off time of non-faulting section.
Description
Technical field
The present invention relates to a kind of distribution line failure processing method based on the two-channel wireless communication technology, belongs to power grid event
Hinder process field.
Background technology
The failure of power distribution network is mainly short trouble and singlephase earth fault, quickly, accurately and reliably handles power distribution network event
Barrier, power supply reliability, stability for improving power distribution network, realizes that the reliability service of power distribution network is of great significance.
Feeder automation processing short trouble mainly uses voltage-time type function logic on the spot in power distribution network at present, existing
Normal voltage time type feeder switch can only using false voltage as failure criterion, when a failure occurs it substation trip, power transformation
Normal voltage time type terminal level-one level-one after closing a floodgate again of standing is closed a floodgate after delay, is closed a floodgate and is closed to substation after fault section
Trip again, complete the Fault Isolation in high-tension distributing line accident section；Recovery power transmission for non-faulting section needs level-one
Level-one time-delay closing, considerably increases the power off time of non-faulting section.In addition, can only be manually to singlephase earth fault processing
Bracing wire is gone, artificial line walking searches failure, it is impossible to isolate singlephase earth fault, spend human and material resources, it is less economical.
In conclusion there are following technical disadvantages for existing voltage-time type function logic：For the area not broken down
Needed during section substation secondary reclosing by time-delay closing, increase the power off time of non-faulting section, exist protection blind area and
Increase the power off time of non-faulting section；Automatic fault isolation is can not achieve for the section that singlephase earth fault occurs.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of matching somebody with somebody based on the two-channel wireless communication technology
Line fault processing method, can reduce substation's reclosing number and reduce the power off time of non-faulting section.
Technical scheme includes a kind of distribution line failure processing method based on the two-channel wireless communication technology,
For power distribution network, wherein power distribution network includes wire-outgoing breaker and some feeder switches, it is characterised in that：A. power distribution network is carried out just
Secondary power transmission, carries out corresponding detection using wire-outgoing breaker and/or feeder switch and remembers Reflector, according to testing result pair
Wire-outgoing breaker and/or feeder switch carry out corresponding combined floodgate or separating brake；B. wire-outgoing breaker is in the certain time after separating brake
Close a floodgate, feeder switch enables information exchange when obtaining electric and faulty mark, failure judgement section is simultaneously isolated, according to event
Barrier section position is corresponding to feeder switch progress not to close a floodgate or closes a floodgate；C. it is corresponding after the feeder switch in the step B closes a floodgate
Next stage feeder switch obtain electric and faulty mark, start information exchange, failure judgement section is simultaneously isolated, according to failure
Section position is corresponding to feeder switch progress not to close a floodgate or closes a floodgate；D. circulation performs step B and C until wire-outgoing breaker passes through
Single shot reclosing, completes the detection and isolation of failure.
According to the distribution line failure processing method based on the two-channel wireless communication technology, outlet open circuit therein
Device is used to detect the short trouble in distribution line.
According to the distribution line failure processing method based on the two-channel wireless communication technology, wherein feeder switch is used
According to specific abort situation progress Fault Isolation.
According to the distribution line failure processing method based on the two-channel wireless communication technology, further, wherein walking
Rapid A is further included：First time power transmission is carried out to power distribution network, access electric current is detected using feeder switch, when not detecting fault current,
It is electric after feeder switch carry out time-delay closing；When wire-outgoing breaker detects short trouble, failure mark is remembered using feeder switch
Will, distribution line decompression, feeder switch is without pressure without flow point lock.
According to the distribution line failure processing method based on the two-channel wireless communication technology, further, wherein walking
Rapid B is further included：Second passage of wireless module is interacted for fault message in the feeder switch, and first passage is used for and main website
Carry out data interaction.
According to the distribution line failure processing method based on the two-channel wireless communication technology, further, wherein walking
Rapid B is further included：Wire-outgoing breaker first time reclosing after 5 seconds.
According to the distribution line failure processing method based on the two-channel wireless communication technology, further, wherein walking
Rapid B is further included：Wire-outgoing breaker first time reclosing after special time, feeder switch obtain electric and faulty mark, start
Second communication port that information exchange, wherein information exchange include this feeder switch wireless communication module is opened with next stage feeder line
Second communication port information exchange of the wireless communication module of pass；After the completion of information exchange, fault section is judged, if therefore
Barrier does not close a floodgate in rear end, the positive locking of startup, switch, Fault Isolation success, if failure is not in rear end, time-delay closing.
According to the distribution line failure processing method based on the two-channel wireless communication technology, further, the step
Rapid C is further included：After higher level's feeder switch time-delay closing, this grade of feeder switch obtains electric and faulty mark, starts information exchange, letter
After the completion of breath interaction, judge fault section, if failure in rear end, starts positive locking, switch does not close a floodgate, Fault Isolation into
Work(, performs until completing all Fault Isolations successively.
Beneficial effects of the present invention are：Introduce the two-channel wireless communication technology and fault current, after breaking down, power transformation
Stand and pass through single shot reclosing, the identification and isolation of short trouble and earth fault can be completed, to realize that reducing substation overlaps
Lock number and the power off time for reducing non-faulting section.
Brief description of the drawings
Fig. 1 show the overview flow chart of embodiment according to the present invention；
Fig. 2 show the schematic diagram before the distribution line failure of embodiment according to the present invention；
Schematic diagram when the distribution line F1 points that Fig. 3 show embodiment according to the present invention break down；
Fig. 4 show the schematic diagram after the distribution line failure processing of embodiment according to the present invention；
The entirety that Fig. 5 show embodiment according to the present invention realizes block diagram.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.The distribution line failure processing method based on the two-channel wireless communication technology of the present invention is suitable for
Electric network fault processing.
Fig. 1 show the overview flow chart of embodiment according to the present invention.It is used for power distribution network, and power distribution network breaks including outlet
Road device and some feeder switches.Its step is as follows：A. first power transmission is carried out to power distribution network, uses wire-outgoing breaker and/or feeder line
Switch carries out corresponding detect and simultaneously remembers Reflector, wire-outgoing breaker and/or feeder switch is carried out according to testing result pair
The combined floodgate or separating brake answered；B. wire-outgoing breaker closes a floodgate in the certain time after separating brake, and feeder switch obtains electric and faulty
Information exchange is enabled during mark, failure judgement section is simultaneously isolated, feeder switch is corresponded to according to fault section position
Do not close a floodgate or close a floodgate；C. after the feeder switch in the step B closes a floodgate, corresponding next stage feeder switch obtains electric and faulty
Mark, starts information exchange, and failure judgement section is simultaneously isolated, and feeder switch is carried out according to fault section position corresponding
Do not close a floodgate or close a floodgate；D. circulation performs step B and C until wire-outgoing breaker pass through single shot reclosing, complete the detection of failure with
Isolation.
Fig. 2 show the schematic diagram before the distribution line failure of embodiment according to the present invention.CB1, CB2 and CB3
For wire-outgoing breaker, FS1, FS2 and FS3 are feeder switch, and LS is interconnection switch, and solid represent is closed a floodgate, hollow to represent separating brake.Figure
1 performance be that distribution line is trouble-free when.
Schematic diagram when the distribution line F1 points that Fig. 3 show embodiment according to the present invention break down.CB1, CB2 and
CB3 is wire-outgoing breaker, and FS1, FS2 and FS3 are feeder switch, and LS is interconnection switch, and solid represent is closed a floodgate, and hollow represent is divided
Lock.Permanent short trouble, feeder switch FS1, FS2 memory Reflector occur for F1 points, and wire-outgoing breaker CB1 is protected for the first time
Tripping, feeder switch FS1, FS2, FS3 detect distribution line dead electricity and separating brake；Then, wire-outgoing breaker CB1 is after 5 seconds
First time reclosing, feeder switch FS1 obtain electric and faulty mark, are learnt after the completion of startup information exchange, with FS2 information exchanges
Failure does not obtain electric and faulty mark in back segment, time-delay closing, feeder switch FS2, starts information exchange, with FS3 information exchanges
After the completion of learn failure in back segment, start positive locking, switch does not close a floodgate, and feeder switch FS3 learns that failure in leading portion, starts anti-
To locking, reversely send a telegram here and do not close a floodgate, complete fault section isolation.Interconnection switch LS is protected through time-delay closing, feeder switch FS3 lockings
Separating brake is held, that completes non-faulting section turns power supply.
Fig. 4 show the schematic diagram after the distribution line failure processing of embodiment according to the present invention.CB1, CB2 and CB3
For wire-outgoing breaker, FS1, FS2 and FS3 are feeder switch, and LS is interconnection switch, and solid represent is closed a floodgate, hollow to represent separating brake.Figure
3 performances are when completing troubleshooting.
The entirety that Fig. 5 show embodiment according to the present invention realizes block diagram.Interaction for representing Fig. 2-4 is overall real
It is existing.
The above, is presently preferred embodiments of the present invention, the invention is not limited in the above embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.In the protection model of the present invention
Its technical solution and/or embodiment can have a variety of modifications and variations in enclosing.
Claims (8)
- A kind of 1. distribution line failure processing method based on the two-channel wireless communication technology, for power distribution network, wherein power distribution network Including wire-outgoing breaker and some feeder switches, it is characterised in that：A. first power transmission is carried out to power distribution network, carries out corresponding detection using wire-outgoing breaker and/or feeder switch and remember event Barrier mark, corresponding combined floodgate or separating brake are carried out according to testing result to wire-outgoing breaker and/or feeder switch；B. wire-outgoing breaker closes a floodgate in the certain time after separating brake, and feeder switch enables letter when obtaining electric and faulty mark Breath interaction, failure judgement section are simultaneously isolated, and are not closed a floodgate or are closed according to fault section position is corresponding to feeder switch progress Lock；C. after the feeder switch in the step B closes a floodgate, corresponding next stage feeder switch obtains electric and faulty mark, starts letter Breath interaction, failure judgement section are simultaneously isolated, and are not closed a floodgate or are closed according to fault section position is corresponding to feeder switch progress Lock；D. circulation perform step B and C until wire-outgoing breaker pass through single shot reclosing, complete the detection and isolation of failure.
- 2. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the wire-outgoing breaker is used to detect the short trouble in distribution line.
- 3. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the feeder switch is used to carry out Fault Isolation according to specific abort situation.
- 4. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the step A is further included：To power distribution network carry out first time power transmission, using feeder switch detect access electric current, when not detecting fault current, obtain it is electric after Feeder switch carries out time-delay closing；When wire-outgoing breaker detects short trouble, Reflector, distribution line decompression, feeder switch are remembered using feeder switch Without pressure without flow point lock.
- 5. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the step B is further included：Second passage of wireless module is interacted for fault message in the feeder switch, and first is logical Road is used to carry out data interaction with main website.
- 6. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the step B is further included：Wire-outgoing breaker first time reclosing after 5 seconds.
- 7. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the step B is further included：Wire-outgoing breaker first time reclosing after special time, feeder switch obtain electric and faulty mark, start information and hand over Mutually, wherein information exchange includes second communication port of this feeder switch wireless communication module and the nothing of next stage feeder switch Second communication port information exchange of line communication module；After the completion of information exchange, fault section is judged, if failure is not closed a floodgate in rear end, the positive locking of startup, switch, failure Isolate successfully, if failure is not in rear end, time-delay closing.
- 8. the distribution line failure processing method according to claim 1 based on the two-channel wireless communication technology, its feature It is, the step C is further included：After higher level's feeder switch time-delay closing, this grade of feeder switch obtains electric and faulty mark, starts information exchange, information exchange After the completion of, judge fault section, if failure is not closed a floodgate in rear end, the positive locking of startup, switch, Fault Isolation success, according to It is secondary to perform until completing all Fault Isolations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711263806.XA CN107947133A (en) | 2017-12-05 | 2017-12-05 | A kind of distribution line failure processing method based on the two-channel wireless communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711263806.XA CN107947133A (en) | 2017-12-05 | 2017-12-05 | A kind of distribution line failure processing method based on the two-channel wireless communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107947133A true CN107947133A (en) | 2018-04-20 |
Family
ID=61944759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711263806.XA Pending CN107947133A (en) | 2017-12-05 | 2017-12-05 | A kind of distribution line failure processing method based on the two-channel wireless communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107947133A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378804A (en) * | 2018-10-24 | 2019-02-22 | 珠海许继芝电网自动化有限公司 | A kind of examination of distribution network failure is from more fault-tolerance processing method and system |
| CN109473955A (en) * | 2018-11-14 | 2019-03-15 | 珠海许继电气有限公司 | A kind of adaptive distribution line failure treating method based on breaker |
| CN110247395A (en) * | 2019-07-15 | 2019-09-17 | 广东电网有限责任公司 | For the strong power transmission method of intelligence, equipment and the storage medium of one-end substation decompression |
| CN113471941A (en) * | 2021-07-05 | 2021-10-01 | 许继集团有限公司 | Fault isolation control method for power distribution network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090208A (en) * | 2014-06-30 | 2014-10-08 | 国家电网公司 | Voltage-type power distribution network fault processing method |
| CN105024363A (en) * | 2015-07-03 | 2015-11-04 | 珠海许继电气有限公司 | No-channel single-phase earth fault self-healing method for power distribution network |
| CN106300285A (en) * | 2016-08-04 | 2017-01-04 | 国家电网公司 | It is independent of the self adaptation type feeder automation fault handling method on the spot of network topology |
| CN106329500A (en) * | 2016-10-27 | 2017-01-11 | 珠海许继电气有限公司 | Method for treatment on distribution wire fault |
-
2017
- 2017-12-05 CN CN201711263806.XA patent/CN107947133A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090208A (en) * | 2014-06-30 | 2014-10-08 | 国家电网公司 | Voltage-type power distribution network fault processing method |
| CN105024363A (en) * | 2015-07-03 | 2015-11-04 | 珠海许继电气有限公司 | No-channel single-phase earth fault self-healing method for power distribution network |
| CN106300285A (en) * | 2016-08-04 | 2017-01-04 | 国家电网公司 | It is independent of the self adaptation type feeder automation fault handling method on the spot of network topology |
| CN106329500A (en) * | 2016-10-27 | 2017-01-11 | 珠海许继电气有限公司 | Method for treatment on distribution wire fault |
Non-Patent Citations (1)
| Title |
|---|
| 张维等: "一种新型的电缆网就地馈线自动化方案及应用", 《供用电》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378804A (en) * | 2018-10-24 | 2019-02-22 | 珠海许继芝电网自动化有限公司 | A kind of examination of distribution network failure is from more fault-tolerance processing method and system |
| CN109473955A (en) * | 2018-11-14 | 2019-03-15 | 珠海许继电气有限公司 | A kind of adaptive distribution line failure treating method based on breaker |
| CN109473955B (en) * | 2018-11-14 | 2020-04-14 | 珠海许继电气有限公司 | Self-adaptive distribution line fault processing method based on circuit breaker |
| CN110247395A (en) * | 2019-07-15 | 2019-09-17 | 广东电网有限责任公司 | For the strong power transmission method of intelligence, equipment and the storage medium of one-end substation decompression |
| CN113471941A (en) * | 2021-07-05 | 2021-10-01 | 许继集团有限公司 | Fault isolation control method for power distribution network |
| CN113471941B (en) * | 2021-07-05 | 2023-08-01 | 河南源网荷储电气研究院有限公司 | Fault isolation control method for power distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105515199B (en) | A kind of intelligent distribution network distributed fault detection method | |
| CN107947133A (en) | A kind of distribution line failure processing method based on the two-channel wireless communication technology | |
| CN106329500A (en) | Method for treatment on distribution wire fault | |
| CN107947134B (en) | On-site coincident single-phase earth fault positioning isolation and recovery method | |
| CN101917064B (en) | Back-up protection processing method of digital substation transformer based on GOOSE mode | |
| CN103490392B (en) | Fault handling method of power distribution network comprising distributed power supplies and microgrids | |
| CN102738777A (en) | Rapid distribution network fault self-recovery method based on generic object oriented substation event (GOOSE) message | |
| CN106300297A (en) | Multiterminal flexible direct current electrical network one pole ground connection self adaptation reclosing method | |
| CN103117532B (en) | Zero-sequence voltage trip protection method for low-voltage side of transformers | |
| CN112821560B (en) | Distributed self-healing protection method for overhead line distribution network | |
| CN107478950A (en) | A kind of discrimination method of the bipolar short trouble of DC line | |
| CN105048487B (en) | Method and device for quickly converting earth return wire and metal return wire in single-twelve-pulse direct current transmission system | |
| CN103001193A (en) | Centralized feeder automation control method for demarcation fault processing | |
| CN103354352A (en) | Distributed intelligence based power distribution network safety protection method | |
| CN103872656A (en) | Distributive bus fast protection realization method for intelligent transformer substation | |
| CN108233345A (en) | A kind of intelligent distributed feeder line fault of distribution network quickly cuts off partition method | |
| CN108306264A (en) | A kind of intelligent distributed feeder line fault of distribution network immediate processing method | |
| CN109473955A (en) | A kind of adaptive distribution line failure treating method based on breaker | |
| CN106786473A (en) | A kind of arc suppression coil earthing system distribution line single-phase earth fault isolation method | |
| CN104333143B (en) | Intelligent feeder terminal device for power distribution network fault detection | |
| CN107611946A (en) | A kind of full killer switch feeder fault control method | |
| CN110098599B (en) | Fault processing method and system for overhead line-cable hybrid line | |
| CN106329714B (en) | A kind of method that dynamic judges power network switch type | |
| CN104836215B (en) | The control method of voltage-time type intelligent switch controller | |
| CN112436478B (en) | Automatic reclosing method based on SPSR distribution line and channel-free protection cooperation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |