CN210040896U

CN210040896U - Mixed double-bus medium-sized arrangement structure

Info

Publication number: CN210040896U
Application number: CN201921310701.XU
Authority: CN
Inventors: 李根富; 卓越; 王亚莉; 潘峰; 王正华; 何立新; 蒋明双; 叶德意; 曹斯祚; 周辰昕; 夏麒
Original assignee: Sichuan Electric Power Design and Consulting Co Ltd
Current assignee: Sichuan Electric Power Design and Consulting Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-02-07
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a mix medium-sized arrangement structure of double bus-bar, including A looks I section generating line, B looks I section generating line, C looks I section generating line, A looks II section generating line, B looks II section generating line and C looks II section generating line, A looks II section generating line sets up with A looks I section generating line is adjacent, and B looks II section generating line sets up with B looks I section generating line is adjacent, and C looks II section generating line sets up with C looks I section generating line is adjacent. The utility model discloses with the A, B, C three-phase of II section generating line and the A, B, C three-phase of I section generating line mix the setting, avoid the A, B, C three-phase of II section generating line adjacent to set up and take place the short circuit, avoid the A, B, C three-phase of I section generating line adjacent to set up and take place the short circuit simultaneously, can improve the transmission of electricity security, reduce the frequency of occurrence of transmission accident.

Description

Mixed double-bus medium-sized arrangement structure

Technical Field

The utility model relates to a power transmission and transformation equipment field, concretely relates to mix medium-sized arrangement structure of double bus-bar.

Background

A traditional double-bus medium-sized arrangement mode in a transformer substation is shown in fig. 1, wherein an A-phase I-section bus 1, a B-phase I-section bus 2, a C-phase I-section bus 3, an A-phase II-section bus 4, a B-phase II-section bus 5 and a C-phase II-section bus 6 are sequentially arranged, and the arrangement mode has high probability of interphase short circuit; if the simultaneous reverse outgoing needs to be realized, the high overline is reversely led out in the station through the heightening framework, so that the utilization rate of the outgoing line portal frame of the transformer substation is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a medium-sized arrangement structure of mixed double bus-bar of reducible alternate short circuit is provided.

The utility model provides a technical scheme that technical problem adopted is: mix medium-sized arrangement structure of double bus, including A looks I section generating line, B looks I section generating line, C looks I section generating line, A looks II section generating line, B looks II section generating line and C looks II section generating line, A looks II section generating line sets up with A looks I section generating line is adjacent, and B looks II section generating line sets up with B looks I section generating line is adjacent, and C looks II section generating line sets up with C looks I section generating line is adjacent.

Furthermore, the A-phase II section bus, the A-phase I section bus, the B-phase II section bus, the B-phase I section bus, the C-phase II section bus and the C-phase I section bus are sequentially arranged.

Further, still including first framework, second framework, third framework, fourth framework, fifth framework and the sixth framework that sets gradually, A looks II section generating line, A looks I section generating line, B looks II section generating line, B looks I section generating line, C looks II section generating line and C looks I section generating line set up respectively on first framework, second framework, third framework, fourth framework, fifth framework and sixth framework.

Further, first framework, second framework, third framework, fourth framework, fifth framework and sixth framework all include the stake body, the top of stake body is provided with vertical left horizontal open-type isolator and right horizontal open-type isolator, and the left horizontal open-type isolator top of first framework, third framework and fifth framework is provided with first bus bracket, and the top of second framework, fourth framework and sixth framework is provided with second bus bracket, A looks II section generating line, B looks II section generating line and C looks II section generating line are installed on first bus bracket, and A looks I section generating line, B looks I section generating line and C looks I section generating line are installed on second bus bracket.

Furthermore, the single-phase outgoing line structure comprises an A-phase single-phase outgoing line structure, a B-phase single-phase outgoing line structure and a C-phase single-phase outgoing line structure which are sequentially arranged, wherein the B-phase single-phase outgoing line structure is located between the second structure and the third structure, the C-phase single-phase outgoing line structure is located between the fourth structure and the fifth structure, and the first structure and the second structure are located between the A-phase single-phase outgoing line structure and the B-phase single-phase outgoing line structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses with the A, B, C three-phase of II section generating line and the A, B, C three-phase of I section generating line mix the setting, avoid the A, B, C three-phase of II section generating line adjacent to set up and take place the short circuit, avoid the A, B, C three-phase of I section generating line adjacent to set up and take place the short circuit simultaneously, can improve the transmission of electricity security, reduce the frequency of occurrence of transmission accident.

Drawings

FIG. 1 is a schematic top view of a prior art double bus mesoscopic arrangement;

FIG. 2 is a schematic top view of a double bus mesoscopic arrangement of the present invention;

fig. 3 is a schematic front view of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

reference numerals: 1-A phase I section bus; 2-B phase I section bus; 3-C phase I section bus; 4-phase A and phase II section bus; 5-B phase II section bus; 6-C phase II section bus; 7-a first framework; 8-a second framework; 9-a third framework; 10-a fourth framework; 11-a fifth framework; 12 — a sixth framework; 13-a stent body; 14-left horizontal open-type disconnector; 15-right horizontal open-type disconnecting switch; 16 — a first busbar cradle; 17 — a second busbar cradle; an 18-A phase single-phase outgoing line framework; 19-B phase single-phase outgoing line framework; 20-C phase single-phase outgoing line framework.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model discloses a mix medium-sized arrangement structure of double bus, as shown in fig. 2, including A looks I section generating line 1, B looks I section generating line 2, C looks I section generating line 3, A looks II section generating line 4, B looks II section generating line 5 and C looks II section generating line 6, A looks II section generating line 4 sets up with A looks I section generating line 1 is adjacent, and B looks II section generating line 5 sets up with B looks I section generating line 2 is adjacent, and C looks II section generating line 6 sets up with C looks I section generating line 3 is adjacent.

Because the short circuit phenomenon can not appear between the homophase generating line, consequently, set up A looks II section generating line 4 and A looks I section generating line 1 adjacent, can avoid appearing the short circuit between A looks II section generating line 4 and A looks I section generating line 1, set up B looks II section generating line 5 and B looks I section generating line 2 adjacent, can avoid appearing the short circuit between B looks II section generating line 5 and B looks I section generating line 2, set up C looks II section generating line 6 and C looks I section generating line 3 adjacent, can avoid appearing the short circuit between C looks II section generating line 6 and C looks I section generating line 3, compare with current wiring mode, can reduce the probability that the short circuit takes place, reduce the fault rate of change transmission line.

The A-phase II section bus 4, the A-phase I section bus 1, the B-phase II section bus 5, the B-phase I section bus 2, the C-phase II section bus 6 and the C-phase I section bus 3 are sequentially arranged. In addition, an a-phase I-section bus 1, an a-phase II-section bus 4, a B-phase I-section bus 2, a B-phase II-section bus 5, a C-phase I-section bus 3, and a C-phase II-section bus 6 may be sequentially provided.

As shown in fig. 3 and 4, the three-phase bus-bar structure further includes a first frame 7, a second frame 8, a third frame 9, a fourth frame 10, a fifth frame 11, and a sixth frame 12, which are sequentially disposed, wherein the a-phase II-section bus-bar 4, the a-phase I-section bus-bar 1, the B-phase II-section bus-bar 5, the B-phase I-section bus-bar 2, the C-phase II-section bus-bar 6, and the C-phase I-section bus-bar 3 are respectively disposed on the first frame 7, the second frame 8, the third frame 9, the fourth frame 10, the fifth frame 11, and the sixth frame 12. The first framework 7 and the second framework 8 form an A-phase framework, the third framework 9 and the fourth framework 10 form a B-phase framework, the fifth framework 11 and the sixth framework 12 form a C-phase framework, the A-phase framework, the B-phase framework and the C-phase framework are uniformly arranged on a straight line, the distance from the first framework 7 to the second framework 8, the distance from the third framework 9 to the fourth framework 10 and the distance from the fifth framework 11 to the sixth framework 12 are smaller than the distance between the A-phase framework and the B-phase framework, so that the distance from the A-phase I-section bus 1 to the B-phase II-section bus 5 and the distance from the B-phase I-section bus 2 to the C-phase II-section bus 6 can be increased, and the probability of short circuit between the A-phase I-section bus 1 and the B-phase II-section bus 5 and the probability of short circuit between the B-phase I-section bus 2 and the C-phase II-section bus 6 are.

The first framework 7, the second framework 8, the third framework 9, the fourth framework 10, the fifth framework 11 and the sixth framework 12 can adopt the existing bus supporting framework, preferably, the first framework 7, the second framework 8, the third framework 9, the fourth framework 10, the fifth framework 11 and the sixth framework 12 all comprise a support body 13, a vertical left horizontal open type isolating switch 14 and a right horizontal open type isolating switch 15 are arranged at the top of the support body 13, a first bus bracket 16 is arranged at the top of the left horizontal open type isolating switch 14 of the first framework 7, the third framework 9 and the fifth framework 11, a second bus bracket 17 is arranged at the top of the right horizontal open type isolating switch 15 of the second framework 8, the fourth framework 10 and the sixth framework 12, the A-phase II-section bus 4, the B-phase II-section bus 5 and the C-phase II-section bus 6 are arranged on the first bus bracket 16, the A-phase I-section bus 1, the B-phase I-section bus 2 and the C-phase I-section bus 3 are mounted on a second bus bracket 17. Specifically, the a-phase II-section bus bar 4 is mounted on the first bus bar bracket 16 of the first frame 7, the B-phase II-section bus bar 5 is mounted on the first bus bar bracket 16 of the third frame 9, the C-phase II-section bus bar 6 is mounted on the first bus bar bracket 16 of the fifth frame 11, and the a-phase I-section bus bar 1, the B-phase I-section bus bar 2, and the C-phase I-section bus bar 3 are mounted on the second bus bar brackets 17 of the second frame 8, the fourth frame 10, and the sixth frame 12, respectively. Conventional bus bar support framework adopts support insulator to support the generating line, and horizontal open-type isolator separately sets up with support insulator, and area is wider, consequently, the utility model discloses utilize left horizontal open-type isolator 14 and right horizontal open-type isolator 15 to support the generating line, need not set up support insulator again to area has been reduced, construction cost has been reduced. Both the left and right directions are referred to the view direction shown in fig. 3, and the left and right directions should be adjusted adaptively after the view direction is changed.

According to the power transmission requirement, need be qualified for the next round of competitions simultaneously forward and backward sometimes, therefore, the utility model discloses still including the single-phase framework 18 of being qualified for the next round of competitions of A phase that sets gradually, the single-phase framework 19 of being qualified for the next round of competitions of B phase and the single-phase framework 20 of being qualified for the next round of competitions of C phase, B phase single-phase framework 19 of being qualified for the next round of competitions is located between second framework 8 and third framework 9, and C phase single-phase framework 20 of being qualified for the next round of competitions is located between fourth framework 10 and fifth framework 11, and first framework 7. The A-phase single-phase outgoing line framework 18, the B-phase single-phase outgoing line framework 19 and the C-phase single-phase outgoing line framework 20 adopt a double-side line hanging mode, one side of each framework is used for outgoing lines in the forward direction, and the other side of each framework is used for outgoing lines in the reverse direction.

Claims

1. Mix medium-sized arrangement structure of double bus, including A looks I section generating line (1), B looks I section generating line (2), C looks I section generating line (3), A looks II section generating line (4), B looks II section generating line (5) and C looks II section generating line (6), its characterized in that, A looks II section generating line (4) set up with A looks I section generating line (1) is adjacent, and B looks II section generating line (5) set up with B looks I section generating line (2) is adjacent, and C looks II section generating line (6) set up with C looks I section generating line (3) is adjacent.

2. The medium-sized arrangement structure of mixed double buses according to claim 1, wherein the A-phase II-section bus bar (4), the A-phase I-section bus bar (1), the B-phase II-section bus bar (5), the B-phase I-section bus bar (2), the C-phase II-section bus bar (6) and the C-phase I-section bus bar (3) are arranged in sequence.

3. The medium-sized arrangement structure of mixed double buses according to claim 1 or 2, further comprising a first framework (7), a second framework (8), a third framework (9), a fourth framework (10), a fifth framework (11) and a sixth framework (12) which are arranged in sequence, wherein the A-phase II-section bus (4), the A-phase I-section bus (1), the B-phase II-section bus (5), the B-phase I-section bus (2), the C-phase II-section bus (6) and the C-phase I-section bus (3) are respectively arranged on the first framework (7), the second framework (8), the third framework (9), the fourth framework (10), the fifth framework (11) and the sixth framework (12).

4. The medium arrangement structure of hybrid double bus bars according to claim 3, wherein the first, second, third, fourth, fifth and sixth frameworks (7, 8, 9, 10, 11, 12) each include a support body (13), the top of the support body (13) is provided with a vertical left and right horizontally-open disconnector (14, 15), the top of the left horizontally-open disconnector (14) of the first, third and fifth frameworks (7, 9, 11) is provided with a first bus bar bracket (16), the top of the right horizontally-open disconnector (15) of the second, fourth and sixth frameworks (8, 10, 12) is provided with a second bus bar bracket (17), the A-phase II-section bus bar (4), the B-phase II-section bus bar (5) and the C-phase II-section bus bar (6) are mounted on the first bus bar bracket (16), the A-phase I-section bus (1), the B-phase I-section bus (2) and the C-phase I-section bus (3) are arranged on a second bus bracket (17).

5. The medium-sized arrangement structure of mixed double buses according to claim 4, further comprising an A-phase single-phase outgoing line framework (18), a B-phase single-phase outgoing line framework (19) and a C-phase single-phase outgoing line framework (20) which are arranged in sequence, wherein the B-phase single-phase outgoing line framework (19) is located between the second framework (8) and the third framework (9), the C-phase single-phase outgoing line framework (20) is located between the fourth framework (10) and the fifth framework (11), and the first framework (7) and the second framework (8) are located between the A-phase single-outgoing line framework (18) and the B-phase single-outgoing line framework (19).