CN106786310A - A kind of super-pressure ice-melt optimizes system and optimization method - Google Patents
A kind of super-pressure ice-melt optimizes system and optimization method Download PDFInfo
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- CN106786310A CN106786310A CN201710092155.6A CN201710092155A CN106786310A CN 106786310 A CN106786310 A CN 106786310A CN 201710092155 A CN201710092155 A CN 201710092155A CN 106786310 A CN106786310 A CN 106786310A
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- 238000000034 method Methods 0.000 title claims description 14
- 238000005457 optimization Methods 0.000 title claims description 11
- 239000004020 conductor Substances 0.000 claims description 60
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
A kind of super-pressure ice-melt optimizes system, including structure identical first transformer station and second transformer station, the female A pipes mother of first station ice-melt pipe, B pipes mother, C pipes mother are connected respectively in the positive pole of described first transformer station, phase selection disconnecting link G1, G2, G3 are provided with described positive pole and correspond to control positive pole and A pipes mother, B pipes mother, the folding of C pipes mother respectively；The female A pipes mother of first station ice-melt pipe, B pipes mother, C pipes mother are connected respectively in the negative pole of described first transformer station, phase selection disconnecting link G4, G5, G6 are provided with described negative pole and correspond to control negative pole and A pipes mother, B pipes mother, the folding of C pipes mother respectively；Ice-melt pipe mother's short circuit disconnecting link G7 is installed on described first station ice-melt pipe mother.Advantage is to greatly improve ice-melt efficiency.Reduce investment outlay cost and space.
Description
Technical field
The invention belongs to power system de-icing technology field, specially a kind of super-pressure ice-melt optimization system and optimization side
Method.
Background technology
In recent years, frequently influenceed by global extreme climate, power network icing disaster is in increase the trend of aggravation.China territory
It is vast, once transmission line of electricity is serious because of icing, great electrical equipment fault will be caused, cause the power failure of large area.Power transmission line
Road load in the case of icing is aggravated, it is contemplated that winter is accompanied by strong wind, beyond the defeated of normal loading under the influence of wind speed
There is waving the influence that can bring some broken property in electric line, and such as shaft tower collapses, the severe phenomenon such as broken string of transmission line of electricity.
If accident occurs in wilderness field, heavy snow has sealed the mountain passes or highway is ice-bound, and repairing is abnormal difficult, causes prolonged power failure, right
National economy produces heavy losses.And it is to reduce transmission line malfunction to take extra high voltage network effectively and timely ice-melt,
Ensure the effective way of power system stability operation.
The current method on transmission line de-icing is a lot, south China power network to the de-icing method of transmission line of electricity generally
It is divided three classes：AC three-phase short circuit ice-melting method, using DC heating transmission line de-icing method and excess current de-icing method.These methods
All there is its limitation to a certain extent, for example impact of the AC three-phase short circuit ice-melt to system is larger may cause system
Unstable, the method for DC heating transmission line of electricity is needed to station short circuit wire or the ice-melt short circuit disconnecting link shape installed additional to station of closing
Into complete DC ice melting loop.Have that work high above the ground risk is big, efficiency is low with the artificial short circuit of shorting stub, it is time-consuming the shortcomings of, plus
Dress ice-melt short circuit disconnecting link realizes that short circuit then needs the wire of ice-melt to be intended to install short circuit disconnecting link for every, causes investment to increase, and exists
The shortcoming of high cost.
The content of the invention
The purpose of the present invention is the shortcoming for overcoming above-mentioned prior art, there is provided a kind of super-pressure ice-melt optimizes system and optimization
Method, the optimization system is improved to reach the working effect of DC ice melting to transformer station inside, reduces outdoor additional equipment
With the cost and risk for carrying out outdoor operations.
The present invention is achieved through the following technical solutions：A kind of super-pressure ice-melt optimization system, including structure is identical
First transformer station and second transformer station, connect that the female A pipes of first station ice-melt pipe are female, B pipes are female respectively in the positive pole of described first transformer station,
C pipes are female, be provided with described positive pole phase selection disconnecting link G1, G2, G3 correspond to that control positive pole is female with A pipes, B pipes are female respectively, C pipes mother
Folding；Female female A pipes of first station ice-melt pipe, B pipes mother, C pipes mother are connected respectively in the negative pole of described first transformer station, are born in described
Extremely it is provided with phase selection disconnecting link G4, G5, G6 and corresponds to the folding that control negative pole and A pipes are female, B pipes are female, C pipes are female respectively；In described first
Ice-melt pipe mother's short circuit disconnecting link G7 is installed on ice-melt pipe of standing is female；It is female that second station ice-melt pipe is connected respectively in the positive pole of described second transformer station
A1 pipes it is female, B1 pipes are female, C1 pipes are female, phase selection disconnecting link G11, G12, G13 are provided with the positive pole of the second transformer station and are corresponded to respectively
The folding that control positive pole is female with A1 pipes, B1 pipes are female, C1 pipes are female；Second station ice-melt pipe is connected respectively in the negative pole of described second transformer station
Female A1 pipes are female, B1 pipes are female, C1 pipes are female, and phase selection disconnecting link G14, G15, G16 difference are provided with the negative pole of described second transformer station
The folding that correspondence control negative pole is female with A1 pipes, B1 pipes are female, C1 pipes are female；It is short ice-melt pipe mother to be installed on described second station ice-melt pipe mother
Meet disconnecting link G17；A minimum super-pressure three-phase alternating current wire is set up between first transformer station and second transformer station, described three are intersecting
Conductance line is provided with A phase conductors 1, B phase conductors 1, C phase conductors 1, and described A phase conductors 1, B phase conductors 1, C phase conductors 1 are connected respectively
Female, the C pipe female with B1 pipes of female, the B pipe female with A1 pipes of described A pipes is female female with C1 pipes；First station is accessed in described three-phase alternating current wire
The female one end of ice-melt pipe is provided with first station ice-melt access disconnecting link G8, G9, G10 and controls A phase conductors 1, B phase conductors 1, C phase conductors 1 respectively
Female folding with first station ice-melt pipe；The one end for accessing second station ice-melt pipe mother in described three-phase alternating current wire is provided with the ice-melt of second station and connects
Enter disconnecting link G18, G19, G110 and control the folding female with second station ice-melt pipe of A phase conductors 1, B phase conductors 1, C phase conductors 1 respectively.
A kind of super-pressure ice-melt optimizes the optimization method of system, comprises the following steps that：
1) determine the three-phase alternating current wire of DC ice-melting for ice-melt wire, by the ice-melt wire both sides of 500kV with it is powered
Isolation of system；
2) the access transformer station for determining to use deicing device is first transformer station or second transformer station；
3) the first station ice-melt of ice-melt wire opposite ends is accessed into disconnecting link to be closed a floodgate with second station ice-melt access disconnecting link, makes first
Ice-melt pipe of standing is female female with second station ice-melt pipe and three-phase alternating current wire is connected；
4) the ice-melt pipe mother's short circuit disconnecting link that will be not provided with the transformer station of deicing device closes, and realizes three-phase alternating current wire end
End short circuit；
5) ice-melt mode selection, that is, transformer station's deicing device positive pole ice-melt corresponding with negative pole where the deicing device that closes is led
The phase selection disconnecting link of line；As deicing device is arranged on second transformer station, under " A+BC " ice-melt mode, ice-melt wire is A phase conductors 1, B phases
Phase selection disconnecting link G15, G16 on wire 1, C phase conductors 1, then the phase selection disconnecting link G11 closed on positive pole and negative pole, realization are led to A phases
Line 1 carries out DC ice melting with B phase conductors 1, C phase conductors 1；Under " B+C " ice-melt mode, ice-melt wire is led for B phase conductors 1 with C phases
Phase selection disconnecting link G16 on line 1, then the phase selection disconnecting link G12 closed on positive pole and negative pole, realization is entered to B phase conductors 1 with C phase conductors 1
Row DC ice melting；
6) deicing device is started, that is, unlock deicing device carries out DC ice melting to corresponding lead on positive pole and negative pole.Wire
" A+BC " pattern ice-melt is first carried out, then carries out " B+C " pattern ice-melt, you can efficiently accomplish A, B, C three-phase conducting wire DC ice melting.
The invention has the advantages that：
1st, ice-melt efficiency is greatly improved.During wire ice-melt, it is small that the artificial work high above the ground of line end carries out short circuit at least 2
When, wherein handle work ticket 0.5 hour, crane and hand fit's high-altitude wiring about 1.5 hours.By the ice-melt pipe of connection
Female short circuit disconnecting link completes about 15 minutes short circuit used times, containing opening the operation order time.Every circuit carries out ice-melt work, than artificial
Shorting stub wiring is completed, is removed to amount to and is saved at least 3.5 hours.
2nd, reduce investment outlay cost and space.General ice-melt accesses disconnecting link, ice-melt pipe mother or ice-melt short circuit disconnecting link and is the later stage
Enlarging equipment, is limited by transformer station's enlarging space, using " ice-melt accesses disconnecting link, ice-melt pipe mother, ice-melt pipe mother's short circuit disconnecting link "
Compared with using the investment way of " ice-melt short circuit disconnecting link ", space can more meet live actual demand, ice-melt wire to investment way
Voltage class is unrestricted, as long as being connected with ice-melt pipe mother, you can realize ice-melt wire end by ice-melt pipe mother's short circuit disconnecting link
Short circuit.
Brief description of the drawings
Fig. 1 is the conspectus that a kind of super-pressure ice-melt of the invention optimizes system.
Specific embodiment
Embodiment
As shown in figure 1, a kind of super-pressure ice-melt optimization system, including structure identical first transformer station and second transformer station,
The positive pole of described first transformer station connects female female A pipes of first station ice-melt pipe, B pipes mother, C pipes mother respectively, is set on described positive pole
There are phase selection disconnecting link G1, G2, G3 to correspond to the folding that control positive pole and A pipes are female, B pipes are female, C pipes are female respectively；In described first transformer station
Negative pole connect that the female A pipes of first station ice-melt pipe are female, B pipes are female, C pipes are female respectively, be provided with described negative pole phase selection disconnecting link G4,
G5, G6 correspond to the folding that control negative pole and A pipes are female, B pipes are female, C pipes are female respectively；Ice-melt is installed on described first station ice-melt pipe mother
Pipe mother's short circuit disconnecting link G7；Female female A1 pipes of second station ice-melt pipe, B1 pipes mother, C1 pipes are connected respectively in the positive pole of described second transformer station
Mother, phase selection disconnecting link G11, G12, G13 is provided with the positive pole of the second transformer station and corresponds to control positive pole and A1 pipes mother, B1 pipes respectively
The female folding of female, C1 pipes；Female female A1 pipes of second station ice-melt pipe, B1 pipes mother, C1 are connected respectively in the negative pole of described second transformer station
Pipe is female, be provided with the negative pole of described second transformer station phase selection disconnecting link G14, G15, G16 correspond to respectively control negative pole and A1 pipes mother,
The folding that B1 pipes are female, C1 pipes are female；Ice-melt pipe mother's short circuit disconnecting link G17 is installed on described second station ice-melt pipe mother；In the ice-melt of first station
Pipe is female to be provided with minimum of one three-phase alternating current wire and second station ice-melt pipe mother between, and described three-phase alternating current wire is provided with A phase conductors
1st, B phase conductors 1, C phase conductors 1, it is female with A1 pipes that described A phase conductors 1, B phase conductors 1, C phase conductors 1 connect described A pipes respectively
Female, the C pipe female with B1 pipes of female, B pipes is female female with C1 pipes；The female one end of first station ice-melt pipe is accessed in described three-phase alternating current wire to be provided with
First station ice-melt accesses disconnecting link G8, G9, G10 and controls opening for A phase conductors 1, B phase conductors 1, C phase conductors 1 and first station ice-melt pipe mother respectively
Close；The female one end of second station ice-melt pipe is accessed in described three-phase alternating current wire be provided with second station ice-melt access disconnecting link G18, G19, G110
Control A phase conductors 1, B phase conductors 1, C phase conductors 1 folding female with second station ice-melt pipe respectively.
A kind of super-pressure ice-melt optimizes the optimization method of system, comprises the following steps that：
1) determine the three-phase alternating current wire of DC ice-melting for ice-melt wire, by the ice-melt wire both sides of 500KV with it is powered
Isolation of system；
2) the access transformer station for determining to use deicing device is first transformer station or second transformer station；
3) the first station ice-melt of ice-melt wire opposite ends is accessed into disconnecting link to be closed a floodgate with second station ice-melt access disconnecting link, makes first
Ice-melt pipe of standing is female female with second station ice-melt pipe and three-phase alternating current wire is connected；
4) the ice-melt pipe mother's short circuit disconnecting link that will be not provided with the transformer station of deicing device closes, and realizes three-phase alternating current wire end
End short circuit；
5) ice-melt mode selection, that is, transformer station's deicing device positive pole ice-melt corresponding with negative pole where the deicing device that closes is led
The phase selection disconnecting link of line；As deicing device is arranged on second transformer station, under " A+BC " ice-melt mode, ice-melt wire is A phase conductors 1, B phases
Phase selection disconnecting link G15, G16 on wire 1, C phase conductors 1, then the phase selection disconnecting link G11 closed on positive pole and negative pole, realization are led to A phases
Line 1 carries out DC ice melting with B phase conductors 1, C phase conductors 1；Under " B+C " ice-melt mode, ice-melt wire is led for B phase conductors 1 with C phases
Phase selection disconnecting link G16 on line 1, then the phase selection disconnecting link G12 closed on positive pole and negative pole, realization is entered to B phase conductors 1 with C phase conductors 1
Row DC ice melting；
6) deicing device is started, that is, unlock deicing device carries out DC ice melting to corresponding lead on positive pole and negative pole.Wire
" A+BC " pattern ice-melt is first carried out, then carries out " B+C " pattern ice-melt, you can efficiently accomplish A, B, C three-phase conducting wire DC ice melting.
Above-listed detailed description is directed to illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (2)
1. a kind of super-pressure ice-melt optimizes system, it is characterised in that including structure identical first transformer station and second transformer station, in institute
The positive pole of the first transformer station for stating connects female female A pipes of first station ice-melt pipe, B pipes mother and C pipes mother respectively, is provided with described positive pole
Phase selection disconnecting link G1, G2, G3 correspond to the folding that control positive pole and A pipes are female, B pipes are female, C pipes are female respectively；In described first transformer station
Negative pole connects that the female A pipes of first station ice-melt pipe are female, B pipes are female female with C pipes respectively, be provided with described negative pole phase selection disconnecting link G4, G5,
G6 corresponds to the folding that control negative pole is female with A pipes, B pipes are female, C pipes are female respectively；Ice-melt pipe is installed on described first station ice-melt pipe mother
Female short circuit disconnecting link G7；
Female female A1 pipes of second station ice-melt pipe, B1 pipes mother, C1 pipes mother are connected respectively in the positive pole of described second transformer station, in the second
The positive pole of transformer station be provided with phase selection disconnecting link G11, G12, G13 correspond to that control positive pole and A1 pipes are female, B1 pipes are female respectively, C1 pipes mother
Folding；Female female A1 pipes of second station ice-melt pipe, B1 pipes mother, C1 pipes mother are connected respectively in the negative pole of described second transformer station, described
The negative pole of second transformer station be provided with phase selection disconnecting link G14, G15, G16 and correspond to that control negative pole and A1 pipes are female, B1 pipes are female, C1 is managed respectively
Female folding；Ice-melt pipe mother's short circuit disconnecting link G17 is installed on described second station ice-melt pipe mother；
Minimum super-pressure three-phase alternating current wire is set up between first transformer station and second transformer station, described three-phase alternating current wire sets
There are A phase conductors 1, B phase conductors 1, a C phase conductors 1, described A phase conductors 1, B phase conductors 1, C phase conductors 1 connect described A respectively
Female, the C pipe female with B1 pipes of female, the B pipe female with A1 pipes of pipe is female female with C1 pipes；It is female first station ice-melt pipe to be accessed in described three-phase alternating current wire
One end be provided with first station ice-melt and access disconnecting link G8, G9, G10 and control A phase conductors 1, B phase conductors 1, C phase conductors 1 to melt with first station respectively
The female folding of ice pipe；The female one end of second station ice-melt pipe is accessed in described three-phase alternating current wire be provided with second station ice-melt access disconnecting link
G18, G19, G110 control the folding female with second station ice-melt pipe of A phase conductors 1, B phase conductors 1, C phase conductors 1 respectively.
2. a kind of super-pressure ice-melt comprising described in claim 1 optimizes the optimization method of system, it is characterised in that
Comprise the following steps that：
1) the three-phase alternating current wire of DC ice-melting is determined for ice-melt wire, by the ice-melt wire both sides of 500kV and electrified system
Isolation；
2) the access transformer station for determining to use deicing device is first transformer station or second transformer station；
3) the first station ice-melt of ice-melt wire opposite ends is accessed into disconnecting link to be closed a floodgate with second station ice-melt access disconnecting link, melts first station
Ice pipe is female female with second station ice-melt pipe and three-phase alternating current wire is connected；
4) the ice-melt pipe mother's short circuit disconnecting link that will be not provided with the transformer station of deicing device closes, and realizes that three-phase alternating current wire end is short
Connect；
5) ice-melt mode selection, that is, transformer station's deicing device positive pole ice-melt wire corresponding with negative pole where the deicing device that closes
Phase selection disconnecting link；As deicing device is arranged on second transformer station, under " A+BC " ice-melt mode, ice-melt wire is A phase conductors 1, B phase conductors
1st, phase selection disconnecting link G15, G16 on C phase conductors 1, then the phase selection disconnecting link G11 closed on positive pole and negative pole, realize to A phase conductors 1
DC ice melting is carried out with B phase conductors 1, C phase conductors 1；Under " B+C " ice-melt mode, ice-melt wire is B phase conductors 1 and C phase conductors 1,
The phase selection disconnecting link G16 on phase selection disconnecting link G12 and negative pole then closed on positive pole, realizes carrying out directly B phase conductors 1 and C phase conductors 1
Stream ice-melt；
6) deicing device is started, that is, unlock deicing device carries out DC ice melting to corresponding lead on positive pole and negative pole.Wire is advanced
Row " A+BC " pattern ice-melt, then carry out " B+C " pattern ice-melt, you can efficiently accomplish A, B, C three-phase conducting wire DC ice melting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710092155.6A CN106786310A (en) | 2017-02-21 | 2017-02-21 | A kind of super-pressure ice-melt optimizes system and optimization method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710092155.6A CN106786310A (en) | 2017-02-21 | 2017-02-21 | A kind of super-pressure ice-melt optimizes system and optimization method |
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| CN106786310A true CN106786310A (en) | 2017-05-31 |
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| CN201710092155.6A Pending CN106786310A (en) | 2017-02-21 | 2017-02-21 | A kind of super-pressure ice-melt optimizes system and optimization method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451974A (en) * | 2021-08-09 | 2021-09-28 | 河南卫华重型机械股份有限公司 | Modular trolley line alternating-current ice melting controller |
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2017
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Application publication date: 20170531 |