CN109286168A - A kind of double outlet arrangements of substation's outgoing line interval double-layer frame - Google Patents
A kind of double outlet arrangements of substation's outgoing line interval double-layer frame Download PDFInfo
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- CN109286168A CN109286168A CN201811261420.XA CN201811261420A CN109286168A CN 109286168 A CN109286168 A CN 109286168A CN 201811261420 A CN201811261420 A CN 201811261420A CN 109286168 A CN109286168 A CN 109286168A
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- phase
- double
- line
- outgoing line
- line interval
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The invention discloses a kind of double outlet arrangements of substation's outgoing line interval double-layer frame.In current double-layer frame outlet structure, space rectangle is integrally formed in the surface of the sub- hanging position of lower layer's three phase isolated in the sub- hanging position of the three phase isolated on framework upper layer, and electrical distance is smaller or insufficient between this has conducting wire when summarizing inlet wire.The present invention includes the outgoing line interval framework using rebuilding, the outgoing line interval framework accesses 6 conducting wires of double-circuit line altogether, the sub- hitch point of wire insulation on outgoing line interval framework is from left to right in " L " and inverted " L " or the distribution of " 7 " shape, the rectangle perpendicular to ground is integrally formed, common-tower double-return first order outlet steel tower is directly accessed after outlet.The present invention can effectively ensure that the science of route spatial distribution and route do not occur to hand over touching while effectively reduction outgoing line interval outlet framework overall width, reducing first order tower quantity and land occupation.
Description
Technical field
The invention belongs to substation's outgoing line intervals to arrange field, specifically a kind of substation's outgoing line interval double-layer frame
Double outlet arrangements.
Background technique
Currently, the traditional open air 110kV outgoing line interval is arranged, it is arranged in parallel using A, B, C three-phase conducting wire space, is individually gone out
Line framework arranges single time three-phase line, and equal height is arranged in juxtaposition between outlet structure, the lateral distance and equipment room that outlet occupies
It is consistent every the span length of occupancy;When there is land used anxiety at substation exit, can meet with when founding tower: 1. lateral arrangements are difficult,
Whole outlet arrangement transverse width needs substantially to narrow;2. land used is regular in substation, but founds tower difficulty outside enclosure wall, utilize
Outlet structure need to be transferred to ABC three-phase longitudinal arrangement from ABC three-phase is transversely arranged when accessing common-tower double-return first stage tower, generate electrically away from
The case where from even less than safety requirements is shortened.
In addition, being arranged in current double-layer frame outlet structure using " two " font, three phase isolated on framework upper layer is outstanding
Position is hung in the surface of the sub- hanging position of lower layer's three phase isolated, space rectangle is integrally formed, this exists when summarizing inlet wire leads
The smaller or insufficient problem of electrical distance between line, selecting a kind of structure of the arrangement of expansion space as far as possible distance is the current double-deck structure
The main solution of frame outlet structure.
Summary of the invention
It needs to reduce or be spaced outer soil deficiency to solve current substation's outgoing line interval transverse width, founds tower quantity and model
It encloses the problem of being restricted, the present invention proposes a kind of double outlet arrangements of substation's outgoing line interval double-layer frame, effective
While reducing outgoing line interval outlet framework overall width, reduce first order tower quantity and land occupation, it is ensured that route spatial distribution
Scientific and route does not occur to hand over touching.
The technical solution adopted by the present invention are as follows: a kind of double outlet arrangements of substation's outgoing line interval double-layer frame, including
Using the outgoing line interval framework of rebuilding, the outgoing line interval framework accesses 6 conducting wires of double-circuit line altogether, in outgoing line interval
The sub- hitch point of wire insulation on framework is from left to right in " L " and inverted " L " or the distribution of " 7 " shape, is integrally formed perpendicular to ground
Rectangle is directly accessed common-tower double-return first order outlet steel tower after outlet.
Supplement as above-mentioned technical proposal, upper one layer of the outgoing line interval framework pass in and out 3 conducting wires, including first altogether
The B phase conductor of loop line and A, C phase conductor of the second loop line;Next layer of outgoing line interval framework also passes in and out 3 conducting wires, including the altogether
A, C phase of one loop line and the B phase of the second loop line;Double-circuit line is in left and right distribution, the first loop line three-phase conducting wire insulator hitch point
L shape arrangement, second loop line three-phase conducting wire insulator hitch point shape on outgoing line interval framework are formed on outgoing line interval framework
It is arranged at inverted " L " or " 7 " shape.
Supplement as above-mentioned technical proposal, on the outgoing line interval framework each phase conductor insulator hitch point with it is adjacent
The space length of the sub- hitch point of wire insulation is 1.2 times of phase spacing.The phase spacing, that is, bus outlet phase spacing.
Supplement as above-mentioned technical proposal, the substation are 110kV substation, outgoing line interval framework underlying infrastructure
Insulator hitch point is 7.0-8.0m apart from ground distance, and upper layer framework insulator hitch point is away from underlying infrastructure 3.0-3.5m;Institute
The underlying infrastructure crossbeam for stating outgoing line interval framework is parallel with upper layer truck transom and be located in space plane.
Supplement as above-mentioned technical proposal, the double outlet arrangements of substation's outgoing line interval double-layer frame further include
First Line trackside disconnecting switch and the second line side disconnecting switch;
First loop line is connected to First Line trackside disconnecting switch, and the three-phase of First Line trackside disconnecting switch uses "T"-shaped space layout,
That is the upright projection of three-phase is " T " shape, and First Line trackside disconnecting switch B compares A, C phase and leans on the latter phase spacing, i.e. B is perpendicular
The line of projection centre and the perpendicular projection of A, C is at a distance of a phase spacing, and B phase is higher than 1.2 times of phase spacing of A, C phase, First Line
Trackside disconnecting switch A phase at a distance of two phase spacing and is located in same level height with C phase;
Second loop line is connected to the second line side disconnecting switch, and the three-phase of the second line side disconnecting switch uses " V " shape space layout,
That is the upright projection of three-phase is V-shaped, and the second line side disconnecting switch A, C compares B phase and leans on the latter phase spacing, i.e. B is perpendicular
The line of projection centre and the perpendicular projection of A, C is at a distance of a phase spacing, and A, C phase are higher than 1.2 times of phase spacing of B phase, the second line
Trackside disconnecting switch A phase at a distance of two phase spacing and is located in same level height with C phase.
The three-phase of line side disconnecting switch of the present invention uses "T"-shaped space layout and " V " shape space layout, to outgoing line interval
Width carries out space optimization.
Supplement as above-mentioned technical proposal, the first loop line B phase conductor by left side access the outlet of the common-tower double-return first order
The top insulator lower end on the left of steel tower, A, C phase conductor are respectively connected in common-tower double-return first order outlet steel tower left side, lower section is exhausted
Edge lower end;Second loop line A, C phase conductor on the right side is respectively connected to most upper, middle side on the right side of common-tower double-return first order outlet steel tower
Insulator lower end, B phase conductor access lower section insulator lower end on the left of common-tower double-return first order outlet steel tower.It in this way can be at every grade
Phase sequence is marked under steel tower, facilitates inspection and commutation.
The invention has the advantages that: the present invention solves existing substation's outgoing line interval transverse width and needs to reduce
Or the problem that vertical tower range is limited, while maximum possible expands cable space and arranges ability.Double-circuit line is used " L " by the present invention
Shape and inverted "L" shape or " 7 " shape are arranged on outgoing line interval framework, the parallelogram perpendicular to ground are integrally formed, by route
Distribution guides spatial synthesis distribution into from pure single plane, and reduction outgoing line interval outlet framework overall width reduces first order tower number
While amount and land occupation, it can effectively ensure that the science of route spatial distribution and route do not occur to hand over touching.Line side of the present invention every
The three-phase of pass is left using "T"-shaped and " V " shape space layout, space optimization is carried out to outgoing line interval width.
Detailed description of the invention
Fig. 1 is L shape outlet arrangement side view on the left of the present invention, which mainly shows the opposite of whole outlet structure
Position, in figure: 1. first loop lines;3. bus bar side disconnecting switch;4. breaker;5. First Line trackside disconnecting switch;8. first time
Line B phase conductor;9. first loop line A, C phase conductor;10. outgoing line interval framework;11. insulated left side substring;12. common-tower double-return first
Grade outlet steel tower;13. outlet A phase;14. outlet B phase;15. outlet C phase.
Fig. 2 is L shape outlet arrangement top view on the left of the present invention, in figure: 1A.A phase inlet wire;1B.B phase inlet wire;
1C.C phase inlet wire;3. bus bar side disconnecting switch;4. breaker;10. outgoing line interval framework;11. insulated left side substring;12. same tower
Double back first order outlet steel tower.
Fig. 3 is that L shape outlet arrangement equipment decomposition elevation (omits the outlet of the common-tower double-return first order on the left of the present invention
Steel tower), in figure: 51. First Line trackside disconnecting switch A phases;52. First Line trackside disconnecting switch B phase;53. First Line trackside every
It leaves and closes C phase;10. outgoing line interval framework;101. left side framework A phase;102. left side framework B phase;103. left side framework C phase.
Fig. 4 is " 7 " shape (or inverted "L" shape) outlet arrangement side view on the right side of the present invention, which mainly shows that entirety goes out
The relative position of cable architecture, in figure: 2. second loop lines;3. bus bar side disconnecting switch;4. breaker;6. the second line side keeps apart
It closes;20. the second loop line B phase conductor;21. second loop line A, C phase conductor;10. outgoing line interval framework;16. side insulation right substring;
12. common-tower double-return first order outlet steel tower;17. outlet A phase;18. outlet B phase;19. outlet C phase.
Fig. 5 is " 7 " shape (or inverted "L" shape) outlet arrangement top view on the right side of the present invention, in figure: 2A.A phase inlet wire;
2B.B phase inlet wire;2C.C phase inlet wire;3. bus bar side disconnecting switch;4. breaker;10. outgoing line interval framework;16. side insulation right is sub
String;12. common-tower double-return first order outlet steel tower.
Fig. 6 is that " 7 " shape (or inverted "L" shape) outlet arrangement equipment decomposition elevation on the right side of the present invention (omits double with tower
Return first order outlet steel tower), in figure: 61. second line side disconnecting switch A phases;62. the second line side disconnecting switch B phase;63.
Second line side disconnecting switch C phase;10. outgoing line interval framework;104. right side framework A phase;105. right side framework B phase;106. right
Side framework C phase.
Fig. 7 is 110kV outlet structure entirety side view of the present invention.
Fig. 8 is 110kV outlet structure overall top view of the present invention.
Fig. 9 be 110kV outlet structure of the present invention line side disconnecting switch to outgoing line interval framework front view.
Specific embodiment
The present invention is further described with specific embodiment with reference to the accompanying drawings of the specification.
As Figure 7-9, the present invention uses the outgoing line interval framework of rebuilding, and the outgoing line interval framework accesses altogether
6 conducting wires of double-circuit line, the sub- hitch point of wire insulation on outgoing line interval framework is from left to right in that " L " and " 7 " shape are distributed, whole
Body forms the rectangle perpendicular to ground, and 110kV common-tower double-return first order outlet steel tower is directly accessed after outlet.
Relative arrangement is as follows: 1 three-phase of the first loop line connects after being arranged in parallel through bus bar side disconnecting switch 3 and breaker 4
Enter the First Line trackside disconnecting switch 5 of space layout, the upright projection of the line side disconnecting switch three-phase is " T " shape, B phase 52 compared with
A, the line of the 1.6m rearward of C phase 51,53, the i.e. perpendicular projection centre of B and the perpendicular projection of A, C at a distance of 1.6m, and B phase be higher than A,
C phase 1.92m, the 10 inlet wire insulator chain of outgoing line interval framework under overlooking is apart from First Line trackside disconnecting switch A phase horizontal distance
For 3m, framework first layer apart from ground 7.5m, the second layer apart from first layer 3m, the first loop line A phase conductor from First Line trackside every
It leaves pass 5 and is connected to the 10 lower layer leftmost side of outgoing line interval framework, the first loop line B phase conductor is connected to from First Line trackside disconnecting switch 5
The 10 upper layer leftmost side of outgoing line interval framework, the first loop line C phase conductor are connected to outgoing line interval framework from First Line trackside disconnecting switch 5
L shape state arrangement is integrally formed in 10 lower layers most middle position, three-phase, as shown in Figs. 1-3.
Second loop line, 2 three-phase accesses space layout after being arranged in parallel through bus bar side disconnecting switch 3 and breaker 4
The upright projection of second line side disconnecting switch 6, the line side disconnecting switch three-phase is V-shaped, and A, C phase 61,63 is rearward compared with B phase
The line of the perpendicular projection centre of 1.6m, i.e. B and the perpendicular projection of A, C is at a distance of 1.6m, and A, C phase are higher than B phase 1.92m, and second
Loop line A phase conductor from the second line side disconnecting switch 6 is connected to 10 upper layer of outgoing line interval framework most intermediate, the second loop line B phase conductor
The 10 lower layer rightmost side of outgoing line interval framework is connected to from the second line side disconnecting switch 6, and the second loop line C phase conductor is from the second line side
Disconnecting switch 6 is connected to 10 upper layer right-most position of outgoing line interval framework, and inverted " L " (or " 7 " shape) form arrangement is integrally formed in three-phase;
As Figure 4-Figure 6.
It is 5m that outgoing line interval framework to steel tower, which overlooks distance, by first upper layer the loop line B phase outlet 14(structure in left side when outlet
Frame) access common-tower double-return first order outlet steel tower left side the top insulator lower end, first loop line A, C phase outlet 13,15(lower layer
Framework) it is respectively connected in common-tower double-return first order outlet steel tower left side, lower section insulator lower end;Second loop line A, C on the right side
Phase outlet 17, the upper layer 19(framework) it is respectively connected to most upper, middle side's insulator lower end on the right side of common-tower double-return first order outlet steel tower, the
Two loop line B phase outlet 18(underlying infrastructures) access common-tower double-return first order outlet steel tower left side lower section insulator lower end;At every grade
Phase sequence is marked under steel tower, facilitates inspection and commutation.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. the double outlet arrangements of a kind of substation's outgoing line interval double-layer frame, including the outgoing line interval structure using rebuilding
Frame, which is characterized in that the outgoing line interval framework accesses 6 conducting wires of double-circuit line, the conducting wire on outgoing line interval framework altogether
Insulator hitch point is from left to right in " L " and inverted " L " or the distribution of " 7 " shape, and the rectangle perpendicular to ground is integrally formed, straight after outlet
Access common-tower double-return first order outlet steel tower.
2. the double outlet arrangements of substation's outgoing line interval double-layer frame according to claim 1, which is characterized in that described
Upper one layer of outgoing line interval framework passes in and out 3 conducting wires, A, C phase conductor of B phase conductor and the second loop line including the first loop line altogether;
Next layer of outgoing line interval framework also passes in and out 3 conducting wires, the B phase of A, C phase and the second loop line including the first loop line altogether;Double loop
Road forms L shape on outgoing line interval framework and arranges in left and right distribution, the first loop line three-phase conducting wire insulator hitch point, and second time
Line three-phase conducting wire insulator hitch point forms inverted " L " or " 7 " shape arrangement on outgoing line interval framework.
3. the double outlet arrangements of substation's outgoing line interval double-layer frame according to claim 1 or 2, which is characterized in that
The space length of each phase conductor insulator hitch point and adjacent wires insulator hitch point is on the outgoing line interval framework
1.2 times of phase spacing.
4. the double outlet arrangements of substation's outgoing line interval double-layer frame according to claim 1 or 2, which is characterized in that
The substation is 110kV substation, and outgoing line interval framework underlying infrastructure insulator hitch point is 7.5- apart from ground distance
8.0m, upper layer framework insulator hitch point is away from underlying infrastructure 3.0-3.5m;The underlying infrastructure crossbeam of the outgoing line interval framework with
Upper layer truck transom is parallel and is located in a space plane.
5. the double outlet arrangements of substation's outgoing line interval double-layer frame according to claim 2, which is characterized in that also wrap
Include First Line trackside disconnecting switch and the second line side disconnecting switch;
First loop line is connected to First Line trackside disconnecting switch, and the three-phase of First Line trackside disconnecting switch uses "T"-shaped space layout,
That is the upright projection of three-phase is " T " shape, and First Line trackside disconnecting switch B compares A, C phase and leans on the latter phase spacing, i.e. B is perpendicular
The line of projection centre and the perpendicular projection of A, C is at a distance of a phase spacing, and B phase is higher than 1.2 times of phase spacing of A, C phase, First Line
Trackside disconnecting switch A phase at a distance of two phase spacing and is located in same level height with C phase;
Second loop line is connected to the second line side disconnecting switch, and the three-phase of the second line side disconnecting switch uses " V " shape space layout,
That is the upright projection of three-phase is V-shaped, and the second line side disconnecting switch A, C compares B phase and leans on the latter phase spacing, i.e. B is perpendicular
The line of projection centre and the perpendicular projection of A, C is at a distance of a phase spacing, and A, C phase are higher than 1.2 times of phase spacing of B phase, the second line
Trackside disconnecting switch A phase at a distance of two phase spacing and is located in same level height with C phase.
6. the double outlet arrangements of substation's outgoing line interval double-layer frame according to claim 1 or 2, which is characterized in that
The top insulator lower end on the left of the first loop line B phase conductor access common-tower double-return first order outlet steel tower in left side, A, C phase are led
Line be respectively connected on the left of common-tower double-return first order outlet steel tower in, lower section insulator lower end;Second loop line A, C phase on the right side is led
Line is respectively connected to most upper, middle side's insulator lower end on the right side of common-tower double-return first order outlet steel tower, and B phase conductor accesses common-tower double-return the
Lower section insulator lower end on the left of level-one outlet steel tower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811261420.XA CN109286168B (en) | 2018-10-26 | 2018-10-26 | Double-outlet arrangement mode of double-layer framework of outlet intervals of transformer substation |
Applications Claiming Priority (1)
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CN201811261420.XA CN109286168B (en) | 2018-10-26 | 2018-10-26 | Double-outlet arrangement mode of double-layer framework of outlet intervals of transformer substation |
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CN109286168A true CN109286168A (en) | 2019-01-29 |
CN109286168B CN109286168B (en) | 2023-04-18 |
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CN201811261420.XA Active CN109286168B (en) | 2018-10-26 | 2018-10-26 | Double-outlet arrangement mode of double-layer framework of outlet intervals of transformer substation |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515230A (en) * | 1990-09-06 | 1996-05-07 | Ashley; James R. | Poly-phase coaxial power line efficiency enhancements |
CN2909652Y (en) * | 2006-05-31 | 2007-06-06 | 北京国电华北电力工程有限公司 | Co-tower double-loop compact linear transmission pylon |
CN106150177A (en) * | 2016-08-26 | 2016-11-23 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of terminal anchor support for double-layer frame outlet |
-
2018
- 2018-10-26 CN CN201811261420.XA patent/CN109286168B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515230A (en) * | 1990-09-06 | 1996-05-07 | Ashley; James R. | Poly-phase coaxial power line efficiency enhancements |
CN2909652Y (en) * | 2006-05-31 | 2007-06-06 | 北京国电华北电力工程有限公司 | Co-tower double-loop compact linear transmission pylon |
CN106150177A (en) * | 2016-08-26 | 2016-11-23 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of terminal anchor support for double-layer frame outlet |
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