CN110137854A - It is a kind of can rapid rush-repair transmission line of electricity it is important cross over design method - Google Patents
It is a kind of can rapid rush-repair transmission line of electricity it is important cross over design method Download PDFInfo
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- CN110137854A CN110137854A CN201910541734.3A CN201910541734A CN110137854A CN 110137854 A CN110137854 A CN 110137854A CN 201910541734 A CN201910541734 A CN 201910541734A CN 110137854 A CN110137854 A CN 110137854A
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- phase
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention belongs to transmission line of electricity technical fields, disclose it is a kind of can rapid rush-repair transmission line of electricity it is important across design method, when certain single time or more times adjacent parallel powerlines cross over critical facility, select any bar route multi rack on important Crossover phase shaft tower set a phase conductor as spare spare phase conducting wire usually with adjacent phase conductor parallel running or ground connection；Line-outage contingency occurs for one phase conductor on certain loop line road, only disconnected will fall phase conductor and remove, release to the influence across critical facility；Reconfiguration wire jumper, substituting broken string phase conductor with spare phase conductor can fast recovery of power supply.After applying the present invention, if the important Crossover phase of transmission line of electricity breaks, can influence of the Rapid reversal to critical facility, avoid again influence of the line level crossing to facility, can rapid rush-repair restore electricity, it is convenient and efficient and substantially without expense.
Description
Technical field
The invention belongs to transmission line of electricity technical field, more particularly to it is a kind of can rapid rush-repair transmission line of electricity it is important across setting
Meter method.
Background technique
Currently, the immediate prior art:
Transmission line of electricity is inevitably related to all kinds of critical facilities such as high-speed railway, highway, important transmission lines of electricity
Leap.Due to the importance of these facilities, transmission line of electricity is for important general to reduce accident across on the one hand to reinforce design
Rate will be also considered but then when the accidents such as broken string occur for transmission line of electricity, reduce the influence to critical facility as far as possible, and
It can restore electricity as early as possible.
For important leap, the prior art mainly takes following measure: first is that reinforce shaft tower, by coefficient for importance of structure by
1.0 are increased to 1.1 or even 1.2, improve shaft tower intensity；Second is that reinforcing fitting insulator chain, the intensity of fitting insulator chain is improved
Grade and safety margin；Third is that important do not allow connector across grounded-line；Third is that increasing monitoring device, such as to important across use
Video, picture control, or distributed diagnostics device is used, operating status is monitored, determines whether the accidents such as broken string are sent out in time
It is raw to cross over shelves important.Prior art means have put into substantial contribution, reduce down the accident of disconnected string of tower, fitting insulator chain etc.
Probability, installation monitoring device also can only find the accidents such as broken string in time.
The intact ability charging operation of the necessary three-phase of transmission line of electricity, the prior art is after occurring line-outage contingency, and route is because lacking
A few phase conductor can not restore electricity, when repairing must stringing again, be involved in the crossing construction again to critical facility, no
It obtains and does not set up crossing frame again, coordinate the crossing construction time with critical facility authorities, prepare goods and materials and handle across formality
Deng, and complicated construction technique, difficulty are big, the time is long, expense members up to a million easily is repaired, not only to the normal operation of critical facility
It affects greatly, and the period to restore electricity is long.
In conclusion problem of the existing technology is:
(1) time that restores electricity is long.The intact ability charging operation of the necessary three-phase of transmission line of electricity, the prior art can pass through monitoring
Means find line-outage contingency in time, but cannot be to accident rapid rush-repair, and three-phase is imperfect and be in power failure shape for a long time after broken string
State, need to coordinate to be spanned the construction window phase of object again after stringing just can power transmission, have a power failure few then a couple of days, more then one or two months, stop
Electric loss is huge.
(2) repairing needs line level crossing again, causes secondary effect, and difficult coordination to object is spanned.It such as can across high-speed rail
High-speed rail operation can be influenced, may cause across important transmission line of electricity and be spanned the secondary power failure of important line.
(3) difficulty of construction is big.Need to set up crossing frame again across critical facility, safety measure requires height, high for cooperation
The iron Operational Timelines, it may be necessary to night Poling Construction.
(4) repairing is costly, and secondary cross over is coordinated, across compensation and crossing construction expense, Master Cost, up to a million easily
Member.
Solve the difficulty of above-mentioned technical problem:
The various strengthening measures of the prior art, are every time frame triple lines, after any one phase of breaking that the three characteristics of the middle term is imperfect and grow
Time has a power failure, it is necessary to could restore across critical facility again stringing.Why not again restore electricity if line level crossing is maximum
Problem.
Solve the meaning of above-mentioned technical problem:
Influence after being greatly reduced across the transmission line of electricity generation accident of critical facility to critical facility is spanned.Break thing
Therefore rear simple and quick recovery transmission line of electricity power supply capacity, shorten power off time.
Summary of the invention
In view of the problems of the existing technology, the present invention provides it is a kind of can rapid rush-repair transmission line of electricity it is important across setting
Meter method.Present invention mainly solves transmission lines of electricity occur at important leap accident can not rapid rush-repair the problem of.
The invention is realized in this way it is a kind of can rapid rush-repair transmission line of electricity it is important cross over design method, it is described can be fast
The transmission line of electricity of speed repairing is important to include: across design method
When certain single time or more times adjacent parallel powerlines cross over critical facility, select any bar route in important leap
Multi rack sets a phase conductor as spare on section shaft tower, it is connected in parallel or is grounded with adjacent phase conductor usually；
The one phase conductor generation line-outage contingency on certain loop line road, only disconnected will fall phase conductor and remove, release to institute across critical facility
Influence.
Another object of the present invention is to provide described in a kind of implementation can rapid rush-repair transmission line of electricity it is important across design
Method can rapid rush-repair the important crossover device of transmission line of electricity, it is described can rapid rush-repair the important crossover device packet of transmission line of electricity
It includes:
Tower-mounted four phase conductor of bar, wherein X is spare phase.
Shaft tower is stood on to the two sides of important leap, draws jump string cross-arm towards important across side along line direction arrangement；
Conducting wire A, conducting wire B, it when any one phase breaks in conducting wire C, is replaced with spare phase.
Wire jumper draws jump string-B through spare phase X- and mutually jumps string-B mutually conventional side path and former line connection, instead of B phase.
Wire jumper draws jump string-C through spare phase X- and mutually jumps string-C mutually conventional side path and former line connection, instead of C phase.
A phase replaces directly jumping string completion through A phase.
Another object of the present invention is to provide described in one kind can rapid rush-repair transmission line of electricity it is important cross over design method
Application in adjacent lines rapid rush-repair, the application method in the adjacent lines rapid rush-repair include:
When adjacent lines and this route spare phase X are ipsilateral, directly draw and connect.
When adjacent lines and this route spare phase X heteropleural, after spare phase is replaced with C phase in figure or B phase, then will displacement
Phase conductor draw connecing as spare phase.
In conclusion advantages of the present invention and good effect are as follows:
After applying the present invention, if the important Crossover phase of transmission line of electricity breaks, can influence of the Rapid reversal to critical facility,
Can avoid influence of the line level crossing to facility again, can rapid rush-repair restore electricity, it is convenient and efficient and substantially without expense, can also keep away
Exempt from important line to have a power failure for a long time the network system risk that may cause.It, can be disconnected when finding a certain phase conductor loss of strength
It is replaced ahead of time with spare phase before line, avoids accident.
The present invention realizes the important method across rapid rush-repair by a spare phase conductor.Spare phase conductor substitution, which is drawn, to be connect
Mode.Aided design of the present invention is important to cross over spare phase shaft tower.
Detailed description of the invention
Fig. 1 be it is provided in an embodiment of the present invention can rapid rush-repair the important crossover device of transmission line of electricity (novel shaft tower) signal
Figure.In figure: (a) drawing and connect front view；(b) draw and connect side view；(c) draw and connect top view.
Fig. 2 be it is provided in an embodiment of the present invention can the important crossover device of transmission line of electricity of rapid rush-repair use figure.
In figure: (a) adjacent parallel line figure；(b) draw and connect schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Though transmission line of electricity reinforces design for important leap variantization at this stage, after line-outage contingency occurs, rob
When repairing must stringing again, be involved in the crossing construction again to critical facility, it has to set up crossing frame again, coordinate to apply
Between working hour, prepare goods and materials and go through the formalities, and complicated construction technique, difficulty is big, and the time is long, and repairing expense is up to a million easily
Member not only affects greatly the normal operation of critical facility, also delays to restore electricity, loss of outage is huge.
To solve the above problems, below with reference to concrete scheme, the present invention is described in detail.
The invention proposes the methods to the spare phase conductor of the important Crossover phase of transmission line of electricity, and propose alternative scheme and
Quick-speed first-aid repair method.
When certain single time or more times adjacent parallel powerlines cross over critical facility, selection wherein a route important
Multi rack sets a phase conductor as spare on Crossover phase shaft tower, usually with adjacent wires parallel running.When a phase on certain loop line road is led
Line-outage contingency occurs for line, it is only necessary to disconnected will fall phase conductor and remove, that is, relieve to the influence across critical facility.Repairing process is not necessarily to
Again stringing and crossing construction, only are connected to be replaced with spare phase conductor by wire jumper and disconnected fall phase conductor i.e. and realize fast quick-recovery
Power supply, it is convenient and efficient, substantially without expense.
As ((a) draws connects front view to Fig. 1；(b) draw and connect side view；(c) draw and connect top view；(d) spare phase replaces the disconnected B fallen
Phase conductor schematic diagram (A, C phase are omited).) shown in: the present invention design can rapid rush-repair the important crossover device of transmission line of electricity, be one
The novel shaft tower of kind, the tower can hang four phase conductors, and wherein X is spare phase.The tower is stood on to the two sides of important leap, along line direction
Arrangement draws jump string cross-arm towards important across side.When phase any one in A, B, C breaks, available backup is mutually replaced, generation
It with B phase is to be illustrated in Fig. 1 for the mode of connection, wire jumper draws jump string-B through spare phase X- and mutually jumps the mutually conventional side path (B2) and former string-B
Line is connected, and C phase replaces the mode of connection consistent with B, and A phase replaces directly jumping string completion through A phase.
Such as Fig. 2 ((a) adjacent parallel line figure；(b) draw and connect schematic diagram.) shown in: the spare phase is also provided to adjacent threads
Road uses.When adjacent lines and this route spare phase X are ipsilateral, it can directly draw and connect；When adjacent lines and this route spare phase X are different
When side, after can replacing spare phase with C phase in figure or B phase, then as spare phase draw connecing.
The present invention will be further described below with reference to examples.
Embodiment
By taking single time 220kV line crossing high-speed rail as an example, it is compared with the prior art and is as follows: using the present invention
As can be seen from the above table, single back line, which just sets to invest, only increases about 3%, is equivalent to if the three parallel situations in loop line road
Every loop line road increases about 1%, considers that the present invention can avoid after excessive useless redundancy is arranged to improve reliability in the prior art,
Investment is just set to be also possible to lower than the prior art.But avoiding influences the long-time for being spanned object, and repairing is quick in time, avoids growing
Time loss of outage and the system risk that may cause.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (3)
1. one kind can rapid rush-repair transmission line of electricity it is important cross over design method, which is characterized in that it is described can rapid rush-repair it is defeated
Electric line is important to include: across design method
Certain single time or more times adjacent parallel powerlines select any bar route in important Crossover phase bar across in critical facility
Multi rack sets a phase conductor as spare on tower, is connected in parallel or is grounded with adjacent phase conductor；
The one phase conductor generation line-outage contingency on certain loop line road, disconnected will fall phase conductor and remove；
By changing wire jumper connection, phase conductor, fast recovery of power supply are fallen with the replacement of spare phase conductor is disconnected.
2. it is a kind of implement described in claim 1 can rapid rush-repair transmission line of electricity it is important across design method can rapid rush-repair
The important crossover device of transmission line of electricity, which is characterized in that it is described can the important crossover device of transmission line of electricity of rapid rush-repair include:
Tower-mounted four phase conductor of bar, wherein X is spare phase；
Shaft tower is stood on to the two sides of important leap, draws jump string cross-arm towards important across side along line direction arrangement；
Conducting wire A, conducting wire B, it when any one phase breaks in conducting wire C, is replaced with spare phase；
Wire jumper draws jump string-B through spare phase X- and mutually jumps string-B mutually conventional side path and former line connection, for substituting B phase；
Wire jumper draws jump string-C through spare phase X- and mutually jumps string-C mutually conventional side path and former line connection, can be used for substituting C phase；
A phase replaces directly jumping string completion through A phase；A, any combination that puts in order of B, C phase and spare phase X.
3. it is a kind of as described in claim 1 can the transmission line of electricity of rapid rush-repair important quickly robbed across design method in adjacent lines
Application in repairing, which is characterized in that the application method in the adjacent lines rapid rush-repair includes:
When adjacent lines and this route spare phase X are ipsilateral, directly draw and connect；
When adjacent lines and this route spare phase X heteropleural, after spare phase is replaced with C phase in figure or B phase, then as standby
With mutually draw connecing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541734.3A CN110137854B (en) | 2019-06-21 | 2019-06-21 | Power transmission line important crossing design method capable of realizing rapid first-aid repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541734.3A CN110137854B (en) | 2019-06-21 | 2019-06-21 | Power transmission line important crossing design method capable of realizing rapid first-aid repair |
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| Publication Number | Publication Date |
|---|---|
| CN110137854A true CN110137854A (en) | 2019-08-16 |
| CN110137854B CN110137854B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910541734.3A Active CN110137854B (en) | 2019-06-21 | 2019-06-21 | Power transmission line important crossing design method capable of realizing rapid first-aid repair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701609A (en) * | 2020-12-22 | 2021-04-23 | 广东电网有限责任公司广州供电局 | High-voltage line power failure maintenance method, system and related device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1860653A (en) * | 2003-08-29 | 2006-11-08 | 广达服务 | Live conductor stringing and splicing method and apparatus |
| JP2013188060A (en) * | 2012-03-09 | 2013-09-19 | Chugoku Electric Power Co Inc:The | Repair method for transmission line |
| CN205212337U (en) * | 2015-12-23 | 2016-05-04 | 河北省电力勘测设计研究院 | Stride across single loop 110kV line cord transition equipment |
| CN206091530U (en) * | 2016-09-26 | 2017-04-12 | 安徽华电工程咨询设计有限公司 | Big leap iron tower of single loop |
-
2019
- 2019-06-21 CN CN201910541734.3A patent/CN110137854B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1860653A (en) * | 2003-08-29 | 2006-11-08 | 广达服务 | Live conductor stringing and splicing method and apparatus |
| JP2013188060A (en) * | 2012-03-09 | 2013-09-19 | Chugoku Electric Power Co Inc:The | Repair method for transmission line |
| CN205212337U (en) * | 2015-12-23 | 2016-05-04 | 河北省电力勘测设计研究院 | Stride across single loop 110kV line cord transition equipment |
| CN206091530U (en) * | 2016-09-26 | 2017-04-12 | 安徽华电工程咨询设计有限公司 | Big leap iron tower of single loop |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701609A (en) * | 2020-12-22 | 2021-04-23 | 广东电网有限责任公司广州供电局 | High-voltage line power failure maintenance method, system and related device |
| CN112701609B (en) * | 2020-12-22 | 2023-10-20 | 广东电网有限责任公司广州供电局 | High-voltage line power failure maintenance method, system and related device |
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| CN110137854B (en) | 2021-07-30 |
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