CN208753817U - A kind of 750kV power distribution equipment arragement construction - Google Patents
A kind of 750kV power distribution equipment arragement construction Download PDFInfo
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- CN208753817U CN208753817U CN201821583059.8U CN201821583059U CN208753817U CN 208753817 U CN208753817 U CN 208753817U CN 201821583059 U CN201821583059 U CN 201821583059U CN 208753817 U CN208753817 U CN 208753817U
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Abstract
The utility model discloses a kind of 750kV power distribution equipment arragement constructions, the arrangement, refer on the basis of open type 750kV power distribution equipment routine universal design arrangement, one phase 750kV bus isolating switch is rotated by 90 ° arrangement, another two opposite generatrix direction is arranged in below bus after promoting, and then is cancelled former conventional scheme median generatrix disconnecting switch and connect transitional struts insulator with bus；2 groups of three pillar type disconnecting switch in original string are replaced using 1 group of pentastyle combination disconnecting switch simultaneously, reduce number of devices in going here and there, thus the layout pattern for reducing 750kV power distribution equipment longitudinal size, reducing 750kV power distribution equipment occupied area.
Description
Technical field
The utility model belongs to ehv power transmission field, is related to a kind of 750kV power distribution equipment arragement construction.
Background technique
With the high speed development of power grid construction, the scale of Ultra-high Voltage Substations engineering is increasing, is filled using regular distribution
It is more and more prominent to set the problem of arrangement takes up a large area, land reserved resources wretched insufficiency, site expropriation of land, removal expense increasingly increase
Add, especially in some urban central zones, land expropriation cost rises situation in obvious, and substation location selection is more and more difficult, mentions
High land resources utilization rate is the project that power grid construction must face.It is conventional for the design of the 750kV power distribution equipment of substation
Open type layout pattern takes up a large area, and cost of equipment is high, so as to cause investment of substations it is high, expropriation of land is difficult the problems such as more come
More serious.
Therefore, by optimizing open type 750kV power distribution equipment equipment arrangement, construction investment is reduced, land occupation face is reduced
Product, Economization on land, improves the utilization rate in soil to the maximum extent, is setting for the subsequent 750kV substation using open type arrangement
Alternative type, layout pattern, expropriation of land etc. provide technical support, are of great significance.
Utility model content
The utility model aim is to propose a kind of 750kV power distribution equipment arragement construction, by changing open type with Denso
The arrangement for setting disconnecting switch provides the arragement construction for being able to satisfy the 750kV power distribution equipment of substation's requirement.
In order to achieve the goal above, the technology employed by the present utility model is
A kind of 750kV power distribution equipment arragement construction, including three separately wiring include pot type open circuit per separately wiring
Device, the first bus, the second bus；There are three potting breaker, the first tanks for connection between first bus and the second bus
It is provided with bus isolating switch between formula breaker and the first bus, is provided with mother between third potting breaker and the second bus
Line disconnecting switch, between the first potting breaker and the second potting breaker, the second potting breaker and third potting breaker
Between be provided with a pentastyle isolating switch combined electrical apparatus；Each pentastyle isolating switch combined electrical apparatus passes through in interval
Cross-line is drawn, and is spaced interior cross-line exit T and is connected to voltage transformer and arrester.
First bus or the rotation of a phase bus isolating switch of the second bus side as a further improvement of the utility model,
Turn 90 ° of arrangements, another two-phase bus isolating switch is arranged in below bus after promoting to generatrix direction.
Rotation phase bus isolating switch is rotated by 90 ° cloth and postpones as a further improvement of the utility model, this, which is separated by, leaves
It closes and is arranged in parallel with bus, another two-phase disconnecting switch is still arranged vertically with bus, and is directly connected to bus.
Two-phase bus isolating switch promotes 8 meters of distances towards generatrix direction as a further improvement of the utility model,.
Rotation phase bus isolating switch disconnecting link is opened rear direction and is separated by with another two as a further improvement of the utility model,
It is parallel from switch tool closing direction；One side terminal of phase bus isolating switch is rotated with the phase side breaker connecting terminal at one
On center line；Rotation another side terminal of phase bus isolating switch is located at immediately below the phase bus jump wire.
Rotation one side terminal of phase bus isolating switch connects with the phase side breaker as a further improvement of the utility model,
Line terminals distance meets terminal tolerance pulling force no more than 3000N requirement, distance 4.5m.
Compared with prior art, the utility model has the advantage that
The utility model 750kV power distribution equipment arragement construction is arranged in open type 750kV power distribution equipment routine universal design
On the basis of, a phase 750kV bus isolating switch is rotated by 90 ° arrangement, another two opposite generatrix direction is arranged under bus after promoting
Side, and then cancel former conventional scheme median generatrix disconnecting switch and connect transitional struts insulator with bus；Simultaneously by 2 group three in original string
Pillar disconnecting switch is replaced using 1 group of pentastyle combination disconnecting switch, reduces number of devices in going here and there, to reduce 750kV distribution
Device longitudinal size, the layout pattern for reducing 750kV power distribution equipment occupied area.750kV pentastyle combine disconnecting switch be with
A kind of newly developed 750kV combined electrical apparatus of converter station project is closed, is used in engineering, has occupied area few, reduces station
The obvious advantages such as interior switchtype.Pentastyle combination disconnecting switch is to merge the static contact of former 2 groups of three pillar type disconnecting switch, is used
1 group of pentastyle combination disconnecting switch replaces.One group of pentastyle disconnecting switch can reduce by least 2 meters of fore-and-aft distance, between one
Every 2 groups of pentastyle disconnecting switch, 4 meters of fore-and-aft distance can be compressed.The utility model can effectively solve open type arrangement
The problems such as 750kV substation takes up a large area, and difficult cost of equipment of taking over the land for use is high.2 groups are replaced with 1 group of pentastyle combination disconnecting switch
Three pillar type disconnecting switch, one group of pentastyle disconnecting switch can reduce at least 2 meters of fore-and-aft distance, the 2 groups of pentastyles in an interval
Disconnecting switch can compress 4 meters of fore-and-aft distance, reduce longitudinal size 2.1%.New arrangement compression open type 750kV matches Denso
About 20 meters of an interval longitudinal size is set, saves floor occupying area 10.6%.
Further, open type 750kV power distribution equipment routine universal design arrange on the basis of, by a phase 750kV bus every
It leaves pass and is rotated by 90 ° arrangement, another two opposite generatrix direction is arranged in below bus after promoting 8 meters；Cancel former bus isolating switch
Transitional struts insulator is connect with bus；It fundamentally solves conventional 750kV power distribution equipment bus isolating switch and bus connects
It connects since distance is far using support insulator transition scheme, another two-phase bus isolating switch can promote about 8 meters towards generatrix direction
Distance, a typical spacing compressible 16 meters of distance in longitudinal direction reduce longitudinal size 8.5%.
Further, a phase bus isolating switch disconnecting link of rotation opens rear direction and another two-phase disconnecting switch disconnecting link closure side
To parallel；Rotation one side terminal of phase bus isolating switch is with the phase side breaker connecting terminal on a center line；Rotate phase
Another side terminal of bus isolating switch is located at immediately below the phase bus jump wire, meets connect vertical with bus jump wire.
Detailed description of the invention
Fig. 1 is the typical spacing wiring and original conventional connections schematic diagram of the utility model；
Fig. 2 is the typical spacing and former regular intervals plan view of the utility model；
Fig. 3 is the typical spacing former regular intervals cross-section diagram of the utility model；
In figure: 1 is potting breaker；2 be bus isolating switch；3 be pentastyle isolating switch combined electrical apparatus；4 be voltage
Mutual inductor；5 be arrester；6 be the first bus；7 be the second bus；8 be cross-line I in the interval；9 be cross-line II in the interval.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the 750kV power distribution equipment arragement construction of the utility model, including 750kV potting breaker 1, every
Leave pass 2, pentastyle isolating switch combined electrical apparatus 3, voltage transformer 4, arrester 5, the first bus 6, the second bus 7, interval
Interior cross-line I 8 is spaced interior cross-line II 9, support insulator 10.
As shown in Figure 1, a kind of 750kV power distribution equipment arragement construction, including three separately wiring, include per separately wiring
Potting breaker 1, the first bus 6, the second bus 7；There are three pot types for connection between first bus 6 and the second bus 7
Breaker 1 is provided with bus isolating switch 2, third potting breaker and second between first potting breaker and the first bus 6
Bus isolating switch 2 is provided between bus 7, between the first potting breaker and the second potting breaker, the second pot type open circuit
A pentastyle isolating switch combined electrical apparatus 3 is provided between device and third potting breaker；Each pentastyle disconnecting switch
Combined electrical apparatus 3 is drawn by cross-line in being spaced, and cross-line exit T is connected to voltage transformer 4 and arrester 5 in interval.
On the basis of open type 750kV power distribution equipment routine universal design arrangement, by a phase 750kV bus isolating switch 2
It is rotated by 90 ° arrangement, another two opposite generatrix direction is arranged in below bus after promoting 8 meters；Cancel former bus isolating switch and bus
Connect transitional struts insulator；2 groups of three pillar type disconnecting switch in original string are replaced using 1 group of pentastyle combination disconnecting switch 3.
2 disconnecting link of a phase bus isolating switch of rotation opens rear direction and another 2 disconnecting link closing direction of two-phase disconnecting switch is flat
Row；Rotation one side terminal of phase bus isolating switch is with the phase side breaker connecting terminal on a center line；Rotate phase bus
Another side terminal of disconnecting switch is located at immediately below the phase bus jump wire, meets connect vertical with bus jump wire.
The principles of the present invention are as follows: by one phase of bus isolating switch rotation arrangement, another two-phase in 750kV power distribution equipment string
It is advanced into below bus to generatrix direction, cancels the transitional struts insulator that bus isolating switch is connect with bus.Bus isolation
One phase of switch rotation arrangement key technical problems: for 750kV bus, it will arrange, revolve after phase bus isolating switch rotation
Gyration and position need to meet:
1) it is parallel with another two-phase disconnecting switch closing direction to rotate latter phase bus isolating switch disconnecting link opening rear direction；
2) one side terminal of phase bus isolating switch is rotated with the phase side breaker connecting terminal on a center line, distance
Meet terminal tolerance pulling force no more than 3000N requirement, generally desirable 4.5m or so；
3) rotation another side terminal of phase bus isolating switch is located at phase bus jump wire underface, can directly with the phase bus
Wire jumper vertically connects.
One phase bus isolating switch rotation cloth postpones, and fundamentally solves conventional 750kV power distribution equipment bus and keeps apart
Pass is connect since distance is far using support insulator transition scheme with bus, and another two-phase bus isolating switch can be towards generatrix direction
Promote about 8 meters of distances；One complete string, two bus isolating switch can take one to isolate switch rotary, another two opposite bus
The way that lower section promotes.
2 groups of three pillar type 750kV disconnecting switch merge into 1 group of pentastyle 750kV isolating switch combined electrical apparatus in going here and there.
It is a kind of cooperation newly developed 750kV combined electrical apparatus of converter station project that 750kV pentastyle, which combines disconnecting switch, in engineering
It uses, has occupied area few, reduce the obvious advantages such as switchtype in standing.Pentastyle combination disconnecting switch is will be 2 group three former
The static contact of pillar disconnecting switch merges, and is replaced with 1 group of pentastyle combination disconnecting switch.One group of pentastyle disconnecting switch can subtract
Few at least 2 meters of fore-and-aft distance, the 2 groups of pentastyle disconnecting switch in an interval can compress 4 meters of fore-and-aft distance.
The 750kV substation that the utility model can effectively solve open type arrangement takes up a large area, difficult installation cost of taking over the land for use
With it is high the problems such as.The utility model has the advantage that
1, device category, 6 transition 750kV support insulators of a typical spacing cancellation are reduced；
2, number of devices is reduced, 4 groups of three pillar type disconnecting switch can be merged into 2 groups of pentastyle groups in a typical spacing string
Close disconnecting switch.
3, open type 750kV cubicle longitudinal size is compressed.
The utility model is postponed using phase bus isolating switch rotation cloth, fundamentally solves conventional 750kV distribution
Device bus isolating switch is connect since distance is far using support insulator transition scheme, another two-phase bus isolating switch with bus
About 8 meters of distances can be promoted towards generatrix direction, a typical spacing compressible 16 meters of distance in longitudinal direction reduces longitudinal size 8.5%.
2 groups of three pillar type disconnecting switch are replaced with 1 group of pentastyle combination disconnecting switch, one group of pentastyle disconnecting switch can reduce at least 2
The fore-and-aft distance of rice, the 2 groups of pentastyle disconnecting switch in an interval can compress 4 meters of fore-and-aft distance, reduce longitudinal size
2.1%.Therefore, this innovation arrangement compression one about 20 meters of interval longitudinal size of open type 750kV power distribution equipment, saves land occupation face
Product 10.6%.
Specific advantage is as follows:
1, device category, 6 transition 750kV support insulators of a typical spacing cancellation are reduced；
2, number of devices is reduced, 4 groups of three pillar type disconnecting switch can be merged into 2 groups of pentastyle groups in a typical spacing string
Close disconnecting switch.
3, open type 750kV cubicle longitudinal size is compressed.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, several simple deduction or replace can also be made, all should be considered as
Belong to the utility model and determines scope of patent protection by the claims submitted.
Claims (6)
1. a kind of 750kV power distribution equipment arragement construction, it is characterised in that: including three separately wiring, include per separately wiring
Potting breaker (1), the first bus (6), the second bus (7)；It is connected between first bus (6) and the second bus (7)
There are three potting breaker (1), and bus isolating switch (2), third are provided between the first potting breaker and the first bus (6)
It is provided between potting breaker and the second bus (7) bus isolating switch (2), the first potting breaker and the open circuit of the second pot type
Between device, a pentastyle isolating switch combined electrical apparatus is provided between the second potting breaker and third potting breaker
(3)；Each pentastyle isolating switch combined electrical apparatus (3) is drawn by cross-line in being spaced, and cross-line exit T is connected to electricity in interval
Press mutual inductor (4) and arrester (5).
2. a kind of 750kV power distribution equipment arragement construction according to claim 1, it is characterised in that: the first bus (6) or
The one phase bus isolating switch of two buses (7) side is rotated by 90 ° arrangement, after another two-phase bus isolating switch is promoted to generatrix direction
It is arranged in below bus.
3. a kind of 750kV power distribution equipment arragement construction according to claim 1, it is characterised in that: rotation phase bus isolation
90 ° of cloth of switch rotary postpone, this isolates switch and bus and is arranged in parallel, another two-phase disconnecting switch and bus or vertical cloth
It sets, and is directly connected to bus.
4. a kind of 750kV power distribution equipment arragement construction according to claim 2, it is characterised in that: two-phase bus is kept apart
It closes towards generatrix direction and promotes 8 meters of distances.
5. a kind of 750kV power distribution equipment arragement construction according to Claims 2 or 3 or 4, it is characterised in that: rotation is mutually female
It is parallel with another two-phase disconnecting switch disconnecting link closing direction that line disconnecting switch disconnecting link opens rear direction；Rotate phase bus isolating switch one
Side terminal is with the phase side breaker connecting terminal on a center line；Rotation another side terminal of phase bus isolating switch is located at should
Immediately below phase bus jump wire.
6. a kind of 750kV power distribution equipment arragement construction according to claim 5, it is characterised in that: rotation phase bus isolation
One side terminal of switch meets terminal tolerance pulling force no more than 3000N requirement, distance with the phase side breaker connecting terminal distance
4.5m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583059.8U CN208753817U (en) | 2018-09-27 | 2018-09-27 | A kind of 750kV power distribution equipment arragement construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583059.8U CN208753817U (en) | 2018-09-27 | 2018-09-27 | A kind of 750kV power distribution equipment arragement construction |
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| CN208753817U true CN208753817U (en) | 2019-04-16 |
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| CN201821583059.8U Active CN208753817U (en) | 2018-09-27 | 2018-09-27 | A kind of 750kV power distribution equipment arragement construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244916A (en) * | 2018-09-27 | 2019-01-18 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of 750kV power distribution equipment arragement construction |
| CN111613974A (en) * | 2020-05-19 | 2020-09-01 | 中国电力工程顾问集团西南电力设计院有限公司 | Alternating current filter field arrangement structure with optimized arrangement |
-
2018
- 2018-09-27 CN CN201821583059.8U patent/CN208753817U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244916A (en) * | 2018-09-27 | 2019-01-18 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of 750kV power distribution equipment arragement construction |
| CN109244916B (en) * | 2018-09-27 | 2024-03-26 | 中国电力工程顾问集团西北电力设计院有限公司 | 750kV distribution device arrangement structure |
| CN111613974A (en) * | 2020-05-19 | 2020-09-01 | 中国电力工程顾问集团西南电力设计院有限公司 | Alternating current filter field arrangement structure with optimized arrangement |
| CN111613974B (en) * | 2020-05-19 | 2024-04-26 | 中国电力工程顾问集团西南电力设计院有限公司 | Alternating current filter field arrangement structure with optimized arrangement |
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