CN206533040U - A kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds - Google Patents
A kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds Download PDFInfo
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- CN206533040U CN206533040U CN201720245314.7U CN201720245314U CN206533040U CN 206533040 U CN206533040 U CN 206533040U CN 201720245314 U CN201720245314 U CN 201720245314U CN 206533040 U CN206533040 U CN 206533040U
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Abstract
The utility model is related to a kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds, including I group of bus, II group of bus, two complete string loops, open/standby become wire inlet loop；Each complete string loop is arranged in three adjacent intervals；Each complete string loop includes inlet wire framework, transition bus framework, bus framework, intermediate frame, outlet structure, wherein, intermediate frame is arranged on bus framework；Each complete string loop also includes three groups of breakers and distinguishes supporting current transformer, disconnecting switch, capacitance type potential transformer, arrester, transition bus and the supported insulator for supporting wire with three groups of breakers, wherein transition bus is the hard conductor being suspended in by V-type insulator chain on transition bus framework, and the disconnecting switch being connected with transition bus uses vertical opening type.The beneficial effects of the utility model are：The longitudinal size of power distribution equipment is effectively optimized, saves and takes up an area about 1650m2。
Description
Technical field
The utility model is related to the power distribution equipment technical field of power plant or transformer station, more particularly to a kind of 500kV distribution
The breaker connection arrangement of device 3/2nds.
Background technology
At present, bus scheme with one and half breaker form, i.e., twice are used the main electrical scheme of China 500kV open type distribution devices more
Inlet-outlet line is connected on two buses using three breakers, referred to as 3/2 wiring, also referred to as bus scheme with one and half breaker, and it is commonly used
Arrangement form have three kinds.Conventional arrangement form has three kinds：The row of breaker three arrangement, breaker flat ring formula arrangement, breaker
Dually arrayed.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of 500kV power distribution equipments two in currently available technology
When/tri- breaker connection flat ring formulas are arranged, its lateral dimension is 220m, and longitudinal size is 143m, and floor space is larger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of breaker connection of 500kV power distribution equipments 3/2nds
Arrangement, to overcome above-mentioned deficiency of the prior art.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of 500kV power distribution equipments 3/2nds break
Road device wiring arrangement, including I group of bus, II group of bus, two complete string loops, open/standby become wire inlet loop；It is each complete
String loop is arranged in three adjacent intervals；Each complete string loop includes inlet wire framework, transition bus framework, bus structure
Frame, intermediate frame, outlet structure, wherein, intermediate frame is arranged on bus framework；Each complete string loop also includes three groups and broken
Road device and the current transformer supporting with three groups of breakers difference, disconnecting switch, capacitance type potential transformer, arrester, transition
The supported insulator of bus and support wire, wherein transition bus are to be suspended in transition bus framework by V-type insulator chain
On hard conductor, the disconnecting switch being connected with transition bus uses vertical opening type.
The beneficial effects of the utility model are：Meet safe and reliable, repair and maintenance and construction and installation it is convenient under the premise of,
By reasonable selection transition bus and disconnecting switch, the longitudinal size of power distribution equipment is effectively optimized, wherein, the longitudinal direction after optimization
Size is 135.5m, and lateral dimension is 220m, saves and takes up an area about 1650m2。
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, bus framework is longitudinally arranged in interval；Transition bus framework is longitudinally arranged where bus framework
In interval.
Further, the distance of the center line of the center line of outlet structure and intermediate frame is 28.5m；Bus framework two ends
The distance of the center line of pillar is 54m；The center line of inlet wire framework is with transition bus framework close to the center for the pillar for entering line side
The distance between line is 11.5m；The distance of the center line of the pillar at transition bus framework two ends is 24m.
Further, the distance of the center line of outlet structure and the center line of inlet wire framework is 101.5m.
Further, insulator chain uses the insulator chain of V-structure.
Further, the length of every transition bus is respectively less than an interval.
Brief description of the drawings
Fig. 1 is the floor plan of the breaker connection arrangement of 500kV power distribution equipments 3/2nds in the prior art；
Fig. 2 leads to II group of bus sectional drawing for No. I transmission line circuit in the prior art；
Fig. 3 is the sectional drawing in No. I main transformer wire inlet loop in the prior art at the breaker in the second interval；
Fig. 4 leads to I group of bus sectional drawing for No. I main transformer wire inlet loop in the prior art；
Fig. 5 leads to I group of bus sectional drawing for No. II transmission line circuit in the prior art；
Fig. 6 is the sectional drawing in No. II main transformer wire inlet loop in the prior art at the breaker in the second interval；
Fig. 7 leads to II group of bus sectional drawing for No. II main transformer wire inlet loop in the prior art；
Fig. 8 is the horizontal layout of the breaker connection arrangement of 500kV power distribution equipments 3/2nds described in the utility model
Figure；
Fig. 9 leads to II group of bus sectional drawing for No. I transmission line circuit in the utility model；
Figure 10 is the sectional drawing in No. I main transformer wire inlet loop in the utility model at the breaker in the second interval；
Figure 11 leads to I group of bus sectional drawing for No. I main transformer wire inlet loop in the utility model；
Figure 12 leads to I group of bus sectional drawing for No. II transmission line circuit in the utility model；
Figure 13 is the sectional drawing in No. II main transformer wire inlet loop in the utility model at the breaker in the second interval；
Figure 14 leads to II group of bus sectional drawing for No. II main transformer wire inlet loop in the utility model；
Figure 15 is the electrical wiring of the breaker connection arrangement of 500kV power distribution equipments 3/2nds described in the utility model
Figure.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in Fig. 8 to Figure 15, a kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds, including I group of mother
Line 1, II group of bus 2, two complete string loops, open/standby become wire inlet loop 3.Two complete string loops and open/standby become wire inlet loop
3 this three are longitudinally arranged in juxtaposition, and each complete string loop is arranged in three adjacent intervals, are opened/are arranged for change wire inlet loop 3
In an interval, in the present embodiment, three adjacent intervals shared by each complete string loop are designated as the respectively from left to right
One interval, the second interval, the 3rd interval.In addition, each interval is 28m.
Each complete string loop also includes inlet wire framework 4, transition bus framework 6, bus framework 5, intermediate frame 7, outlet
Framework 8, in the present embodiment, is illustrated by taking a complete string loop as an example, the number of inlet wire framework 4 in each complete string loop
Measure as two, the quantity of transition bus framework 6 is four, the quantity of bus framework 5 is four, the quantity of intermediate frame 7 is two
Individual, outlet structure 8 quantity is one.It has been longitudinally arranged respectively in the first interval and the 3rd interval in each complete string loop
Be disposed with an intermediate frame 7 between each two bus framework 5 in two bus frameworks 5, each interval, at the same the first interval and
Also it has been longitudinally arranged respectively in 3rd interval in two transition bus frameworks 6, the first interval and the 3rd interval and has also distinguished longitudinal cloth
An inlet wire framework 4 is equipped with, outlet structure 8 is arranged in the first interval.
Each complete string loop also includes three groups of breakers and distinguishes supporting current transformer with three groups of breakers, isolates
Switch, capacitance type potential transformer, arrester, transition bus 9 and the supported insulator for supporting wire, wherein transition bus 9
The hard conductor on transition bus framework 6 is suspended in for the insulator chain 10 by V-type, with keeping apart that transition bus 9 is connected
Pass uses vertical opening type.
As shown in figure 15, two complete string loops are designated as the Ith complete string, the IIth complete string respectively；IIth complete displacement in
Ith left side completely gone here and there, open/it is located at the Ith right side completely gone here and there for change wire inlet loop.
Ith complete string includes No. I main transformer wire inlet loop and No. I transmission line circuit；No. I main transformer wire inlet loop is arranged in three
In the 3rd interval in adjacent spaces；One end of No. I transmission line circuit is arranged in the first interval in three adjacent spaces, another
End is entered in the second interval through the first interval, while being also connected with No. I main transformer wire inlet loop in the 3rd interval.
IIth complete string includes No. II main transformer wire inlet loop and No. II transmission line circuit；No. II main transformer wire inlet loop is arranged in three
In the 3rd interval in individual adjacent spaces；One end of No. II transmission line circuit is arranged in the first interval in three adjacent spaces,
The other end is entered in the second interval through the first interval, while being also connected with No. II main transformer wire inlet loop in the 3rd interval.
No. II main transformer wire inlet loop include the second disconnecting switch 202, the first current transformer 211, the first breaker 231,
3rd disconnecting switch 203, the first disconnecting switch 201, the first capacitance type potential transformer 221, the first arrester 241.No. II master
The one end for becoming wire inlet loop passes sequentially through the second disconnecting switch 202, the first current transformer 211, the first breaker the 231, the 3rd
Disconnecting switch 203 is connected on II group of bus 2, the other end and first the 201, first electricity of disconnecting switch of No. II main transformer wire inlet loop
Appearance formula voltage transformer 221, the first arrester 241 are sequentially connected.
The 6th disconnecting switch 206 that No. II transmission line circuit includes being located in same interval, the 3rd current transformer 213, the
Three breakers 233, the 7th disconnecting switch 207, the 8th disconnecting switch 208, the second capacitance type potential transformer 222, second are taken shelter from the thunder
Device 242；One end of No. II transmission line circuit passes sequentially through the 6th disconnecting switch 206, the 3rd current transformer 213, the 3rd breaker
233rd, the 7th disconnecting switch 207 is connected on I group of bus 1, the other end of No. II transmission line circuit and the 8th disconnecting switch 208,
Two capacitance type potential transformers 222, the second arrester 242 are sequentially connected.
Due to use 3/2nds breaker connection modes, between No. II main transformer wire inlet loop and No. II transmission line circuit also according to
It is secondary to be connected with the 4th disconnecting switch 204, the second breaker 232, the second current transformer 212, the 5th disconnecting switch 205.
As shown in figure 8, in the IIth complete string, the second disconnecting switch 202 is arranged in the transition bus framework 6 in the 3rd interval
Lower section, the first disconnecting switch 201, the first capacitance type potential transformer 221, the first arrester 241 are arranged in the 3rd interval
Between transition bus framework 6 and inlet wire framework 4, the first current transformer 211, the first breaker 231 are arranged in the 3rd interval
Transition bus framework 6 and bus framework 5 between, the 3rd disconnecting switch 203 be arranged in the 3rd interval in bus framework 5 under
Side.4th disconnecting switch 204, the second breaker 232, the second current transformer 212, the 5th disconnecting switch 205 are arranged in second
In interval.6th disconnecting switch 206 is arranged in the lower section of the transition bus framework 6 in the first interval, the 3rd current transformer
213rd, the 3rd breaker 233 is arranged between the transition bus framework 6 in the first interval and bus framework 5, the 7th disconnecting switch
207 are arranged in the lower section of the bus framework 5 in the first interval, the 8th disconnecting switch 208, the second capacitance type potential transformer 222,
Second arrester 242 is arranged in the outside of the outlet structure 8 in the first interval.
In addition in the present embodiment, the distance of the center line of outlet structure 8 and the center line of intermediate frame 7 is 28.5m；It is female
The distance of the center line of the pillar at the two ends of line framework 5 is 54m；The center line of inlet wire framework 4 is with transition bus framework 6 close to inlet wire
The distance between center line of pillar of side is 11.5m；The distance of the center line of the pillar at the two ends of transition bus framework 6 is 24m.
The distance of the center line of outlet structure 8 and the center line of inlet wire framework 4 is 101.5m.
Because the Ith complete string is structurally similar with the IIth complete string, simply No. I main transformer wire inlet loop is connected to I
On group bus 1, No. I transmission line circuit is connected on II group of bus 2, therefore it is not repeated specifically herein.
The length of every transition bus 9 is respectively less than an interval.Outlet structure 8 is provided with lightning conducter, in addition, power distribution equipment
Provided with circumferential highway, during meeting equipment conveying and maintenance the need for vehicle pass-through, enclosure wall is additionally provided with.
Interval, inlet wire framework 4, transition bus framework 6, bus framework 5, intermediate frame 7, outlet structure 8, complete string loop
It is this area proprietary term, is not in refer to not clear situation in the opinion of those skilled in the art.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
1. a kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds, including I group of bus (1), II group of bus (2),
Two complete string loops, open/standby become wire inlet loop (3)；Each complete string loop is arranged in three adjacent intervals；Its feature
It is, each complete string loop includes inlet wire framework (4), transition bus framework (6), bus framework (5), intermediate frame (7), gone out
Line framework (8), wherein, the intermediate frame (7) is arranged on bus framework (5)；Each complete string loop also includes three groups and broken
Road device and the current transformer supporting with three groups of breakers difference, disconnecting switch, capacitance type potential transformer, arrester, transition
Bus (9) and the supported insulator for supporting wire, wherein transition bus (9) are to be suspended in transition mother by insulator chain (10)
Hard conductor on line framework (6), the disconnecting switch being connected with transition bus (9) uses vertical opening type.
2. a kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds according to claim 1, its feature exists
In the bus framework (5) is longitudinally arranged in interval；The transition bus framework (6) is longitudinally arranged in bus framework (5) institute
Interval in.
3. a kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds according to claim 2, its feature exists
In the distance of the center line of the outlet structure (8) and the center line of the intermediate frame (7) is 28.5m；The bus framework
(5) distance of the center line of the pillar at two ends is 54m；The center line of the inlet wire framework (4) and the transition bus framework (6)
It is 11.5m close to the distance between center line of pillar for entering line side；The center of the pillar at transition bus framework (6) two ends
The distance of line is 24m.
4. a kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds according to claim 3, its feature exists
In the distance of the center line of the outlet structure (8) and the center line of the inlet wire framework (4) is 101.5m.
5. according to a kind of any described breaker connection arrangement of 500kV power distribution equipments 3/2nds of Claims 1-4,
Characterized in that, the insulator chain (10) uses the insulator chain of V-structure.
6. according to a kind of any described breaker connection arrangement of 500kV power distribution equipments 3/2nds of Claims 1-4,
Characterized in that, the length of every transition bus (9) is respectively less than an interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245314.7U CN206533040U (en) | 2017-03-14 | 2017-03-14 | A kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245314.7U CN206533040U (en) | 2017-03-14 | 2017-03-14 | A kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds |
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| Publication Number | Publication Date |
|---|---|
| CN206533040U true CN206533040U (en) | 2017-09-29 |
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ID=59914574
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720245314.7U Expired - Fee Related CN206533040U (en) | 2017-03-14 | 2017-03-14 | A kind of breaker connection arrangement of 500kV power distribution equipments 3/2nds |
Country Status (1)
| Country | Link |
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| CN (1) | CN206533040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117424118A (en) * | 2023-09-21 | 2024-01-19 | 中国长江电力股份有限公司 | Transformation method for current merging unit in three-half wiring intelligent substation string |
-
2017
- 2017-03-14 CN CN201720245314.7U patent/CN206533040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117424118A (en) * | 2023-09-21 | 2024-01-19 | 中国长江电力股份有限公司 | Transformation method for current merging unit in three-half wiring intelligent substation string |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 Termination date: 20180314 |