CN219477434U - Compact arrangement structure of outgoing lines of transformer substation - Google Patents
Compact arrangement structure of outgoing lines of transformer substation Download PDFInfo
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- CN219477434U CN219477434U CN202223264623.9U CN202223264623U CN219477434U CN 219477434 U CN219477434 U CN 219477434U CN 202223264623 U CN202223264623 U CN 202223264623U CN 219477434 U CN219477434 U CN 219477434U
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Abstract
The utility model discloses a compact arrangement structure of transformer substation outgoing lines, which comprises a transformer substation building, a GIS outgoing line frame and a loop consisting of an A phase line, a B phase line and a C phase line which are arranged in parallel; the circuit is arranged on at least two outgoing line layers with different heights, an insulating fixing piece which is correspondingly hung with the A phase line, the B phase line and the C phase line is arranged on each outgoing line layer, hanging points are arranged on the insulating fixing piece, and the distances between the hanging points of the B phase line and the C phase line in each group of circuits and the outer wall of the transformer substation building are different. The compact arrangement structure of the outgoing lines of the transformer substation can reduce the transverse distance of the loop, reduce the whole occupied area of the transformer substation, and has convenient operation and maintenance and low cost.
Description
Technical Field
The utility model relates to the technical field of power transformation engineering, in particular to a compact arrangement structure of outgoing lines of a transformer substation.
Background
The GIS power distribution device of the existing transformer substation is generally arranged in a user, and a GIS outlet frame extends out to an outdoor outlet balcony.
In order to facilitate the outgoing of A, B, C three-phase lines and ensure necessary inter-phase distance and inter-loop distance, A, B, C three-phase lines of a transformer substation in the prior art are arranged in a horizontal same row in a straight line. Because a certain distance is reserved between the three-phase lines and between different loops, the wire outlet mode can lead to a large transverse size of the transformer substation, and finally the building volume of the transformer substation is increased, the occupied area is large, and the manufacturing cost of the transformer substation is increased.
As shown in fig. 1 and 2, when A, B, C three-phase lines of two groups of loops are arranged in a horizontal same row in the prior art, a ground wire 1' is arranged above A, B, C three-phase lines, a three-phase lightning arrester 3' is arranged on an outgoing line side, which is close to a GIS outgoing line sleeve 2', on an outgoing line balcony, an a-phase voltage transformer 4' is arranged near an a-phase lightning arrester 3″ and GIS outgoing line sleeve 2', and the three-phase lightning arrester 3' and the a-phase voltage transformer 4' are sequentially arranged along an outgoing line direction.
The Chinese patent of patent number ZL201420366718.8 discloses a three-phase line outlet structure of an indoor transformer substation, and the three-phase line positions are optimized, as shown in fig. 3 and 4, the A phase line, the B phase line and the C phase line in each group of loops are arranged in a three-phase line shape, so that transverse gaps are reduced, the whole occupied area of the transformer substation is reduced, the three-phase line outlet herringbone posts and the cross beams of the transformer substation are saved, the land is saved, and the manufacturing cost of the transformer substation is reduced.
However, although the transverse distance of the three-phase line arranged in the delta shape is reduced to a certain extent, in order to ensure that the interval meets the requirement, the transformer substation of the utility model only sets two outlet sleeves respectively connected with an A phase line and a C phase line on a GIS outlet frame which extends to an outlet balcony, and the GIS outlet sleeves connected with a B phase line are independently arranged on the roof of a transformer substation building, so that the installation structure is inconvenient for subsequent operation and maintenance; and the GIS outlet sleeve connected with the B phase line is mutually independent from the GIS outlet sleeve respectively connected with the A phase line and the C phase line, and the GIS outlet sleeve belongs to equipment which needs to be manufactured independently and specially, so that the manufacturing cost is increased.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the transformer substation outgoing line compact arrangement structure, which can reduce the transverse size of the transformer substation so as to reduce the occupied area, does not need to additionally prepare special equipment, and has low cost and convenient operation and maintenance.
In order to solve the technical problems, the utility model provides a transformer substation outgoing line compact arrangement structure, which comprises a transformer substation building for installing a GIS power distribution device, a GIS outgoing line frame extending out of the transformer substation building, and a loop which is arranged above the GIS outgoing line frame and consists of an A phase line, a B phase line and a C phase line which are arranged in parallel;
the A phase line is connected with the GIS outlet frame through an A phase line down lead, the B phase line is connected with the GIS outlet frame through a B phase line down lead, and the C phase line is connected with the GIS outlet frame through a C phase line down lead; wherein the method comprises the steps of
The loops are arranged on at least two outgoing line layers with different heights, the minimum distance among the A phase line, the B phase line and the C phase line is d1, and d1 is more than the minimum allowable value of the phase distance;
an insulation fixing piece which is correspondingly hung with the A phase line, the B phase line and the C phase line is arranged on each outgoing line layer of the transformer substation building, hanging points are arranged on the insulation fixing piece, and the distances between the hanging points of the B phase line and the C phase line in each group of loops and the outer wall of the transformer substation building are unequal;
the minimum distance between the A-phase line down lead, the B-phase line down lead and the C-phase line down lead is d2, and d2 is more than the minimum allowable value of the phase distance.
As an improvement of the scheme, the B phase line is positioned above the C phase line, and the distance between the hanging point connected with the C phase line and the outer wall of the transformer substation building is larger than that between the hanging point connected with the B phase line and the outer wall of the transformer substation building.
As an improvement of the scheme, the insulating fixing piece connected with the C-phase line in a hanging mode comprises tension insulator strings connected end to end, two adjacent tension insulator strings are connected through an extension ring, one end of a B-phase line down-lead is connected with the B-phase line, and the other end of the B-phase line down-lead penetrates through the extension ring and is connected with a B-phase line sleeve.
As an improvement of the above-mentioned scheme, the at least two outgoing line layers include an upper outgoing line layer and a lower outgoing line layer, the a-phase line and the C-phase line are arranged on the lower outgoing line layer, the B-phase line is arranged on the upper outgoing line layer, and the B-phase line in each group of the loops is located right above the C-phase line.
As an improvement of the above-mentioned scheme, the at least two outgoing line layers include an upper outgoing line layer, a middle outgoing line layer, and a lower outgoing line layer, and the B-phase lines are arranged on the upper outgoing line layer, and the B-phase lines in each group of the loops are located right above the C-phase lines.
As an improvement of the scheme, the GIS outlet frame is provided with an a-phase outlet sleeve, a B-phase outlet sleeve and a C-phase outlet sleeve, wherein one end of the a-phase outlet sleeve connected with the a-phase line down-lead and one end of the C-phase outlet sleeve connected with the C-phase line down-lead are all extended towards one side of the outer wall of the transformer substation building, the one end of the a-phase outlet sleeve connected with the a-phase line down-lead and the one end of the C-phase outlet sleeve connected with the C-phase line down-lead are mutually deviated;
and one end of the B-phase line bushing connected with the B-phase line down lead extends to one side close to the outer wall of the transformer substation building.
As an improvement of the scheme, the transformer substation is characterized by further comprising a B-phase lightning arrester connected with the B-phase line through a lead, wherein the B-phase lightning arrester is arranged between an outer wall of a transformer substation building and a C-phase line bushing.
As an improvement of the scheme, the transformer further comprises an A-phase voltage transformer connected with the A-phase line, and the A-phase voltage transformer is arranged between the outer wall of the transformer substation building and the A-phase line bushing.
As an improvement of the scheme, the lightning arrester further comprises an A-phase lightning arrester connected with the A-phase line through a wire and a C-phase lightning arrester connected with the C-phase line through a wire;
the transformer substation is characterized in that an outgoing balcony is arranged outside the transformer substation building, the GIS outgoing rack is arranged on the outgoing balcony, the A-phase lightning arrester and the C-phase lightning arrester are arranged on a support independent of the outgoing balcony, the A-phase voltage transformer, the A-phase outgoing sleeve and the A-phase lightning arrester are sequentially arranged, and the B-phase lightning arrester, the C-phase outgoing sleeve and the C-phase lightning arrester are sequentially arranged.
As an improvement of the scheme, the transformer substation further comprises a ground wire, wherein a ground wire outlet point is arranged on the transformer substation building, and the ground wire outlet point is arranged above the B-phase line.
The implementation of the utility model has the following beneficial effects:
according to the utility model, the three phase lines in each group of loops are arranged in a layered manner by optimizing the positions of the three phase lines, so that the transverse size occupied by the two outer phase lines of each group of loops on the outer wall of a transformer substation building is reduced, the transverse distance of the loops is reduced, the whole occupied area of the transformer substation is reduced, the land is saved, and the manufacturing cost of the transformer substation is reduced.
The GIS outlet frame is arranged below three phase lines, when the three phase lines are respectively connected with the sleeve on the GIS outlet frame through the phase line down-lead, the hanging points of two outlet layers in each group of loops are different from the distance of the outer wall of the transformer substation building, so that the hanging points of the phase lines are staggered along the length direction of the phase lines, and the phase line down-lead on the upper part, especially, can be staggered with the phase lines on the lower part and the down-lead of other phase lines by a certain distance when being connected with the sleeve on the GIS outlet frame through the phase line down-lead, thereby reducing the transverse spacing and simultaneously easily realizing the safe spacing between the phase lines.
Meanwhile, each phase sleeve connected with each phase line through each phase line down lead is arranged on a GIS outlet frame below the three phase lines, and a certain outlet device (sleeve) is not required to be independently arranged on the roof in order to ensure the inter-phase safety interval, and each outlet sleeve is arranged in a concentrated way, so that the operation and maintenance are convenient; and the GIS outlet frame is universal equipment in the power transmission industry, and a special outlet device (sleeve) is not needed, so that the cost is low.
Drawings
FIG. 1 is a plan view of equipment on a GIS outlet balcony in the prior art;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic diagram of a delta-shaped outlet structure of an indoor transformer substation in the chinese utility model patent No. ZL 201420366718.8;
fig. 4 is a schematic diagram of a three phase wire outlet of A, B, C of fig. 3;
FIG. 5 is a schematic plan view of a structure of an embodiment of a compact arrangement of outlet wires of a substation according to the present utility model;
FIG. 6 is a schematic cross-sectional view of the outlet balcony of FIG. 5;
FIG. 7 is a right side view of FIG. 5;
FIG. 8 is a left side view of FIG. 5;
FIG. 9 is a schematic plan view of another embodiment of a compact arrangement of outlet wires of a substation according to the present utility model;
FIG. 10 is a schematic cross-sectional view of the outlet balcony of FIG. 9;
FIG. 11 is a right side view of FIG. 9;
fig. 12 is a left side view of fig. 9.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 5 to 8, the utility model discloses an embodiment of a compact arrangement structure of transformer substation outgoing lines, which specifically comprises a transformer substation building 1 for installing a GIS power distribution device, a GIS outgoing line frame 2 extending out of the transformer substation building 1, and a loop which is arranged above the GIS outgoing line frame 2 and consists of an a phase line, a B phase line and a C phase line which are arranged in parallel; the A phase line is connected with the GIS outlet frame 2 through an A phase line down-lead 3, the B phase line is connected with the GIS outlet frame 2 through a B phase line down-lead 4, and the C phase line is connected with the GIS outlet frame 2 through a C phase line down-lead 5; the circuit is arranged on at least two outgoing line layers with different heights, and the minimum distance among the A phase line, the B phase line and the C phase line is d1, and d1 is more than the minimum allowable value of the phase distance; an insulating fixing piece which is correspondingly hung with the A phase line, the B phase line and the C phase line is arranged on each outgoing line layer of the outer wall of the transformer substation building 1, hanging points a which are correspondingly hung with the A phase line, the B phase line or the C phase line are arranged on the insulating fixing piece, and the distances between two hanging points a in each group of loops and the outer wall of the transformer substation building 1 are different; the minimum distance among the A-phase line down-lead 3, the B-phase line down-lead 4 and the C-phase line down-lead 5 is d2, and d2 is more than the minimum allowable value of the phase distance.
According to the embodiment, the three phase lines in each group of loops are arranged in a layered mode through optimizing the positions of the three phase lines, so that the transverse size occupied by the two outer phase lines of each group of loops on the outer wall of a transformer substation building is reduced, the transverse distance of the loops is reduced, the whole occupied area of the transformer substation is reduced, the land is saved, and the manufacturing cost of the transformer substation is reduced.
The GIS outgoing line frame 2 is arranged below three phase lines, when the three phase lines are respectively connected with the sleeve pipes on the GIS outgoing line frame 2 through the phase line outgoing lines, as the distances between the hanging points a of two outgoing line layers in each group of loops and the outer wall of the transformer substation building 1 are unequal, the hanging points a of the phase lines are staggered along the length direction of the phase lines, and particularly, when the phase line on the upper part is connected with the sleeve pipes on the GIS outgoing line frame 2 through the phase line outgoing lines, the phase line outgoing lines on the lower part can be staggered by a certain distance with the phase line outgoing lines and other phase line outgoing lines on the lower part, so that the safety distance between the phase lines is easily realized while the transverse distance is reduced.
Meanwhile, each phase sleeve connected with each phase line through each phase line down lead is arranged on the GIS wire outlet frame 2 below the three phase lines, and a certain wire outlet device (sleeve) is not required to be independently arranged on the roof in order to ensure the inter-phase safety distance, and each wire outlet sleeve is arranged in a concentrated way, so that the operation and maintenance are convenient; the GIS outlet frame 2 is universal equipment in the power transmission industry, and a special outlet device (sleeve) is not needed, so that the cost is low.
In this embodiment, the GIS outlet frame 2 is specifically disposed on an outlet balcony 11 outside the substation building 1, the GIS outlet frame 2 is provided with an a-phase outlet sleeve 21, a B-phase outlet sleeve 22 and a C-phase outlet sleeve 23, the a-phase line down-lead 3 is connected to the a-phase line and the a-phase outlet sleeve 21, the B-phase line down-lead 4 is connected to the B-phase line and the B-phase outlet sleeve 22, and the C-phase line down-lead 5 is connected to the C-phase line and the C-phase outlet sleeve 23.
In this embodiment, the B-phase line is located above the C-phase line. It should be noted that the a phase line, the B phase line and the C phase line are three phase lines of the outlet circuit of the transformer substation, and there is no obvious distinction between the three phases in the technical scheme, and the distinction is for convenience of description.
Because the phase-A outlet sleeve 21, the phase-B outlet sleeve 22 and the phase-C outlet sleeve 23 are all arranged on the same GIS outlet frame 2, the length of the phase-B outlet 4 for connecting the phase-B and the phase-B outlet sleeve 22 is longer than that of the phase-C outlet 5 for connecting the phase-C and the phase-C outlet sleeve 23, in order to reduce the stability of the phase-B outlet 4 and the influence of horizontal windage, the distance between the hanging point a connected with the phase-C and the outer wall of the substation building 1 is preferably set to be larger than that between the hanging point a connected with the phase-B and the outer wall of the substation building 1. Therefore, under the condition of not increasing the occupied area, the problem of inter-phase insulation of the down conductor of the vertically arranged line is skillfully solved, and in addition, the inter-phase safety distance requirement is met on the premise that the phase outlet bushings are not required to be arranged in different places.
In order to further improve stability of the B-phase line down conductor 4, the insulating fixing member connected with the C-phase line in the embodiment includes a strain insulator string 6 connected end to end, two adjacent strain insulator strings 6 are connected through an extension ring 7, one end of the B-phase line down conductor 4 is connected with the B-phase line, and the other end passes through the extension ring 7 and is connected with a B-phase line sleeve 22. Therefore, the middle part of the B-phase line down conductor 4 is fixed, the whole arrangement of the B-phase line down conductor 4 is more stable, and the influence of horizontal windage yaw on the B-phase line down conductor is reduced.
The compact arrangement structure of the transformer substation outgoing line of the embodiment further comprises a ground wire 8, wherein the transformer substation building 1 is provided with a ground wire 8 outgoing point, and the ground wire 8 outgoing point is arranged above the B-phase line.
In order to meet the requirements of the latest national specifications, the compact arrangement structure of the outgoing line of the transformer substation of the embodiment is also provided with an open type lightning arrester and an A-phase voltage transformer 10 in a fusion way, wherein the lightning arrester specifically comprises an A-phase lightning arrester 91 connected with the A-phase line, a B-phase lightning arrester 92 connected with the B-phase line, and a C-phase lightning arrester 93 connected with the C-phase line, and the A-phase voltage transformer 10 is connected with the A-phase line.
For facilitating wiring connection, the phase a voltage transformer 10 and the phase B lightning arrester 92 are both arranged on the outlet balcony 11, and the phase a voltage transformer 10 is arranged between the outer wall of the substation building 1 and the phase a outlet sleeve 21; the B-phase lightning arrester 92 is arranged between the outer wall of the substation building 1 and the C-phase outlet bushing 23, and helps to reduce the width of the outlet balcony 11.
For further reducing the width of the outgoing balcony 11 and reducing the overall floor space of the transformer substation, the phase a lightning arresters 91 and the phase C lightning arresters 93 are arranged on a support independent of the outgoing balcony 11, the phase a voltage transformer 10, the phase a outgoing bushings 21 and the phase a lightning arresters 91 are sequentially arranged, and the phase B lightning arresters 92, the phase C outgoing bushings 23 and the phase C lightning arresters 93 are sequentially arranged.
On the premise that the B phase line in each group of loops is arranged above the C phase line, two schemes are provided for arranging the outlet layer: 1. two parallel wire outlet layers are arranged, a B phase wire is arranged on the upper wire outlet layer, and an A phase wire and a C phase wire are arranged on the lower wire outlet layer; 2. three wire outlet layers are arranged, and an A phase line, a B phase line and a C phase line are respectively arranged on different wire outlet layers.
The embodiment shown in fig. 6 to 8 is the case when two parallel outlet layers are provided, the B-phase line in each set of the loops preferably being directly above the C-phase line. At this time, the arrangement of the outlet points of the B phase line and the C phase line on the outer wall of the transformer substation building 1 is consistent with the arrangement azimuth of the wiring points of the B phase line and the C phase line on the line iron tower, so that the three-dimensional intersection of the B phase line and the C phase line in the air can be avoided, and the probability of interphase short circuit when the lines in the windy weather wave is further reduced. In this case, the lateral dimension of the substation building 1 occupied by each phase line of the loop is only the distance between the A phase line and the C phase line, and compared with the A, B, C three phase lines in the prior art, the distance between the B phase line and the C phase line is reduced.
Because the phase-to-phase distance between the B phase line and the C phase line is optimized from horizontal to vertical, the phase-to-phase distance between the B phase line and the C phase line does not need to consider the influence of horizontal windage yaw, the phase-to-phase distance between the B phase line and the C phase line can be further compressed on the basis of the phase-to-phase distance between the A phase line and the C phase line, and the distance between the A phase line and the C phase line is more than the minimum allowable value of the phase-to-phase distance between the B phase line and the C phase line.
In order to increase the safe clearance between the a-phase line down conductor 3 and the C-phase line down conductor 5 and between the B-phase line down conductor 4 and the C-phase line down conductor 5, the a-phase line bushing 21, the B-phase line bushing 22 and the C-phase line bushing 23 form a planar quincuncial structure, that is, one end of the a-phase line bushing 21 connected with the a-phase line down conductor 3, and one end of the C-phase line bushing 23 connected with the C-phase line down conductor 5 are all extended towards the side away from the outer wall of the substation building 1, and one end of the a-phase line bushing 21 connected with the a-phase line down conductor 3 and one end of the C-phase line bushing 23 connected with the C-phase line down conductor 5 are mutually deviated; the end of the B-phase outlet sleeve 22 connected to the B-phase outlet 4 extends toward the substation 1.
As shown in fig. 9 to 12, the present utility model discloses another embodiment of a compact arrangement structure of outgoing lines of a transformer substation, in which three parallel outgoing line layers, namely an upper outgoing line layer, a middle outgoing line layer and a lower outgoing line layer, are provided, the B-phase lines are arranged on the upper outgoing line layer, and the B-phase lines in each group of loops are preferably located right above the C-phase lines, so that the arrangement positions of the outgoing line points of the B-phase lines and the C-phase lines on the outer wall of the transformer substation building 1 are consistent with the arrangement positions of the connection points of the B-phase lines and the C-phase lines on the line tower, thereby avoiding three-dimensional intersection of the B-phase lines and the C-phase lines in the air, and further reducing the probability of inter-phase short circuit when the lines swing in windy weather. The B-phase line down conductor 4 passes through an extension loop 7 between the strain insulator strings 6 on the C-phase line to improve the stability of the B-phase line down conductor 4. At this time, the lateral dimensions of the substation 1 occupied by the phase lines of the circuit are smaller than in the case of two outlet layer wiring.
According to the embodiment, the strain insulator string 6 connected in series is added, the azimuth structure of the outlet sleeve on the GIS outlet frame 2 is changed, the problem of upper-layer line down is solved, the structure is simple, the operation is easy, and the cost is low.
Compared with the Chinese utility model patent with the patent number ZL201420366718.8, the transverse installation distance between the group loops is further compressed in the embodiment. This is because, according to fig. 1 and 2 of chinese utility model patent No. ZL201420366718.8, the B-phase outlet sleeve 22 of this embodiment is disposed on the side of the a-phase line facing away from the C-phase line, or the C-phase line facing away from the a-phase line, and the B-phase outlet sleeve 22 is connected by a wire, where the lateral dimension occupied by the loop is d2+d3 (where d2 and d3 are the reference numerals of chinese utility model patent No. ZL 201420366718.8), and the lateral dimension occupied by the loop will be d2 (where d2 is the reference numeral of chinese utility model patent No. ZL 201420366718.8) by adopting the compact arrangement structure of the transformer substation outlet of this utility model, which is equivalent to shortening the lateral dimension of the length d 3. In addition, each phase sleeve connected with each phase line through each phase line down lead is arranged on the GIS outlet frame 2 below the three phase lines, and a certain outlet device (sleeve) is not required to be independently arranged on the roof in order to ensure the inter-phase safety distance, and each outlet sleeve is arranged in a concentrated way, so that the operation and maintenance are convenient; and the GIS outlet frame 2 and the strain insulator string 6 are universal equipment in the power transmission industry, and an outlet device (sleeve) does not need to be specially manufactured, so that the cost is low.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (10)
1. The transformer substation outgoing line compact arrangement structure is characterized by comprising a transformer substation building for installing a GIS power distribution device, a GIS outgoing line frame extending out of the transformer substation building, and a loop which is arranged above the GIS outgoing line frame and consists of an A phase line, a B phase line and a C phase line which are arranged in parallel;
the A phase line is connected with the GIS outlet frame through an A phase line down lead, the B phase line is connected with the GIS outlet frame through a B phase line down lead, and the C phase line is connected with the GIS outlet frame through a C phase line down lead; wherein the method comprises the steps of
The loops are arranged on at least two outgoing line layers with different heights, the minimum distance among the A phase line, the B phase line and the C phase line is d1, and d1 is more than the minimum allowable value of the phase distance;
an insulation fixing piece which is correspondingly hung with the A phase line, the B phase line and the C phase line is arranged on each outgoing line layer of the transformer substation building, hanging points are arranged on the insulation fixing piece, and the distances between the hanging points of the B phase line and the C phase line in each group of loops and the outer wall of the transformer substation building are unequal;
the minimum distance between the A-phase line down lead, the B-phase line down lead and the C-phase line down lead is d2, and d2 is more than the minimum allowable value of the phase distance.
2. The compact arrangement of outlet lines of a substation of claim 1, wherein the B-phase line is located above the C-phase line, and the hanging point of the C-phase line connection is located at a greater distance from the exterior wall of the substation building than the hanging point of the B-phase line connection.
3. The compact arrangement of outlet wires of transformer substation of claim 2, wherein said insulating fixture to which said C-phase wire is attached comprises tension insulator strings connected end to end, adjacent two of said tension insulator strings being connected by an extension ring, one end of said B-phase wire down-conductor being connected to said B-phase wire, and the other end passing through said extension ring and being connected to a B-phase wire bushing.
4. A substation outlet compact arrangement according to claim 2 or 3, wherein the at least two outlet layers comprise an upper outlet layer and a lower outlet layer, the a-phase and C-phase are arranged in the lower outlet layer, the B-phase is arranged in the upper outlet layer, and the B-phase in each set of the loops is directly above the C-phase.
5. A substation outlet compact arrangement according to claim 2 or 3, wherein the at least two outlet layers comprise an upper outlet layer, a middle outlet layer and a lower outlet layer, the B-phase lines being arranged on the upper outlet layer, the B-phase lines in each set of the loops being directly above the C-phase lines.
6. The compact arrangement structure of transformer substation outgoing lines according to claim 1, wherein the GIS outgoing line rack is provided with an a-phase outgoing line sleeve, a B-phase outgoing line sleeve and a C-phase outgoing line sleeve, wherein one end of the a-phase outgoing line sleeve connected with the a-phase outgoing line and one end of the C-phase outgoing line sleeve connected with the C-phase outgoing line are arranged to extend towards one side of an outer wall facing away from the transformer substation building, one end of the a-phase outgoing line sleeve connected with the a-phase outgoing line and one end of the C-phase outgoing line sleeve connected with the C-phase outgoing line are mutually facing away;
and one end of the B-phase line bushing connected with the B-phase line down lead extends to one side close to the outer wall of the transformer substation building.
7. The compact substation outlet compact arrangement according to claim 6, further comprising a B-phase lightning arrester connected to said B-phase line by a wire, said B-phase lightning arrester being disposed between an exterior wall of a substation building and a C-phase outlet bushing.
8. The compact substation outlet compact arrangement according to claim 7, further comprising an a-phase voltage transformer connected to the a-phase line, the a-phase voltage transformer being disposed between an exterior wall of the substation building and the a-phase outlet bushing.
9. The compact substation outgoing line compact arrangement according to claim 8, further comprising an a-phase lightning arrester connected to the a-phase line by a wire and a C-phase lightning arrester connected to the C-phase line by a wire;
the transformer substation is characterized in that an outgoing balcony is arranged outside the transformer substation building, the GIS outgoing rack is arranged on the outgoing balcony, the A-phase lightning arrester and the C-phase lightning arrester are arranged on a support independent of the outgoing balcony, the A-phase voltage transformer, the A-phase outgoing sleeve and the A-phase lightning arrester are sequentially arranged, and the B-phase lightning arrester, the C-phase outgoing sleeve and the C-phase lightning arrester are sequentially arranged.
10. A substation outlet compact arrangement according to claim 1 or 2, further comprising a ground wire, the substation building being provided with a ground wire outlet point, the ground wire outlet point being located above the B-phase line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223264623.9U CN219477434U (en) | 2022-12-05 | 2022-12-05 | Compact arrangement structure of outgoing lines of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223264623.9U CN219477434U (en) | 2022-12-05 | 2022-12-05 | Compact arrangement structure of outgoing lines of transformer substation |
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| Publication Number | Publication Date |
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| CN219477434U true CN219477434U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223264623.9U Active CN219477434U (en) | 2022-12-05 | 2022-12-05 | Compact arrangement structure of outgoing lines of transformer substation |
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| Country | Link |
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| CN (1) | CN219477434U (en) |
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2022
- 2022-12-05 CN CN202223264623.9U patent/CN219477434U/en active Active
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