CN115967017B - Compact distribution outgoing line arrangement structure - Google Patents
Compact distribution outgoing line arrangement structure Download PDFInfo
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- CN115967017B CN115967017B CN202310252082.8A CN202310252082A CN115967017B CN 115967017 B CN115967017 B CN 115967017B CN 202310252082 A CN202310252082 A CN 202310252082A CN 115967017 B CN115967017 B CN 115967017B
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a compact distribution outlet line arrangement structure, which belongs to the technical field of distribution line installation and comprises a distribution device building, a GIS outlet 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 C phase line is located directly over the A phase line, the B phase line is located directly over the C phase line, 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 the power distribution device building, a hanging point is arranged at one end, far away from the power distribution device building, of the insulating fixing piece, and distances between the hanging points of the A phase line, the B phase line and the C phase line in each group of loops and the outer wall of the power distribution device building are unequal. The compact distribution outlet arrangement structure can reduce the transverse distance of the loop, reduce the overall occupied area of the distribution device building, is not easy to be short-circuited due to the crossing of lines in windy weather, and has high safety.
Description
Technical Field
The invention relates to the technical field of distribution line installation, in particular to a compact distribution outlet arrangement structure.
Background
The existing GIS power distribution device is generally arranged in a user, and the GIS outlet frame extends out to an outdoor outlet balcony.
In order to facilitate the wiring of A, B, C three-phase lines and ensure necessary inter-phase distance and inter-circuit distance, A, B, C three-phase lines of a power distribution device building in the prior art are horizontally arranged in a same row in a straight line. Because a certain distance needs to be reserved between the three-phase lines and between different loops, the wire-outgoing mode can lead to a large transverse size of the power distribution device building, and finally can lead to an increase in the volume of the power distribution device building and a large occupied area, thereby improving the manufacturing cost of the power distribution device building.
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 to arrange the A-phase line, the B-phase line and the C-phase line in each group of loops in a finished product shape, so that transverse gaps are reduced, the overall occupied area of a power distribution device building is reduced, the outlet herringbone posts and the cross beams of the power distribution device building are saved, the land is saved, and the manufacturing cost of the power distribution device building 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 phase-to-phase distance meets the requirement, the GIS outlet sleeve connected with the B phase line and the GIS outlet sleeve respectively connected with the A phase line and the C phase line are mutually independent, and the GIS outlet sleeve belongs to equipment which needs to be independently and specially manufactured, so that the manufacturing cost is increased.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the compact distribution outlet arrangement structure, which can greatly reduce the transverse size of a distribution device building so as to reduce the occupied area and has high safety.
In order to solve the technical problems, the invention provides a compact distribution outlet line arrangement structure, which comprises a distribution device building for installing a GIS distribution device, a GIS outlet line frame extending out of the distribution device building, and a loop which is arranged above the GIS outlet 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 C phase line is positioned right above the A phase line, and the B phase line is positioned right above the C phase line;
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;
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;
the power distribution device is characterized in that 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 the power distribution device building, a hanging point is arranged at one end, away from the power distribution device building, of the insulating fixing piece, and distances between the hanging points of the A phase line, the B phase line and the C phase line in each group of loops and the outer wall of the power distribution device building are unequal.
As the improvement of the scheme, the distance between the hanging point connected with the C phase line and the outer wall of the power distribution device building is larger than that between the hanging point connected with the B phase line and the outer wall of the power distribution device building, and the distance between the hanging point connected with the A phase line and the outer wall of the power distribution device building is larger than that between the hanging point connected with the C phase line and the outer wall of the power distribution device building.
As an improvement of the scheme, the C phase line is provided with a first rod-shaped suspension composite insulator connected with the A phase line and a second rod-shaped suspension composite insulator connected with the B phase line;
the A phase line down lead and the first rod-shaped suspension composite insulator are sequentially arranged along the direction of the A phase line away from the hanging point of the A phase line;
the C-phase line down-lead, the second rod-shaped suspension type composite insulator and the first rod-shaped suspension type composite insulator are sequentially arranged along the direction of the C-phase line away from the hanging point of the C-phase line;
the phase B line down lead and the second rod-shaped suspension composite insulator are sequentially arranged along the direction that the phase B line is far away from the hanging point.
As an improvement of the scheme, the insulating fixing piece which is hung with the A-phase line comprises a first tension insulator string and a first extension ring which is used for connecting the first tension insulator string end to end, one end of the C-phase line down-lead is connected with the C-phase line, and the other end of the C-phase line down-lead penetrates through the first extension ring and is connected with the C-phase line sleeve.
As an improvement of the scheme, the insulating fixing pieces which are connected with the C-phase line in a hanging mode all comprise second tension insulator strings and second extension rings which are used for connecting the second tension insulator strings end to end, one end of the B-phase line down-lead is connected with the B-phase line, and the other end of the B-phase line down-lead sequentially penetrates through the second extension rings and the first extension rings and is connected with the B-phase line sleeve.
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 conductor and one end of the C-phase outlet sleeve connected with the C-phase line down conductor are arranged in an extending way towards one side away from the outer wall of the power distribution device building, one end of the a-phase outlet sleeve connected with the a-phase line down conductor and one end of the C-phase outlet sleeve connected with the C-phase line down conductor are away from each other;
and one end of the B-phase line sleeve connected with the B-phase line down lead extends to one side close to the outer wall of the power distribution device building.
As an improvement of the scheme, the system further comprises a B-phase lightning arrester connected with the B-phase line through a lead, and the B-phase lightning arrester is arranged between the outer wall of the power distribution device building and the C-phase line bushing.
As an improvement of the scheme, the power distribution equipment further comprises an A-phase voltage transformer connected with the A-phase line, wherein the A-phase voltage transformer is arranged between the outer wall of the power distribution equipment 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 power distribution device is characterized in that an outgoing balcony is arranged outside the 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 the improvement of above-mentioned scheme, still including locating the ground wire of B phase line top, the top of distribution unit building is equipped with the support, the ground wire with the insulating mounting of B phase line all with the support is fixed, the insulating mounting that A phase line is connected with the insulating mounting that C phase line is connected all with the distribution unit building outer wall is fixed.
The implementation of the invention has the following beneficial effects:
according to the invention, the three phase lines in each group of loops are arranged in a layered manner by optimizing the positions of the three phase lines, specifically, the C phase line is positioned right above the A phase line, and the B phase line is positioned right above the C phase line.
The C phase line is located directly over the A phase line, the B phase line is located directly over the C phase line, so that the arrangement direction of the outlet points on the outer wall of the power distribution device building is consistent with the arrangement direction of the wiring points of the A phase line, the B phase line and the C phase line on the line iron tower, namely, the three phase lines are vertically arranged, three-dimensional intersection of the three phase lines in the air is avoided, the probability of interphase short circuit when a strong wind weather line waves is further reduced, and the safety is high.
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 the three phase lines in each group of loops are not equal to the distance between the outer wall of the distribution device building, so that the hanging points of the phase lines are staggered along the length direction of the phase lines, the phase line down-lead, especially the phase line positioned on the upper part, can be staggered by a certain distance with the phase line positioned on the lower part and the down-lead of other phase lines when being connected with the sleeve on the GIS outlet frame through the phase line down-lead, and the safety distance between the phase lines is easily realized while the transverse distance is reduced.
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 plan view of the structure of one embodiment of a compact distribution outlet arrangement of the present invention;
FIG. 4 is a schematic cross-sectional view of the outlet balcony of FIG. 3;
fig. 5 is a side view of the structure of one embodiment of a compact arrangement of distribution outlet of the present invention.
Detailed Description
The present invention 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 invention more apparent.
As shown in fig. 3 to 5, the present invention discloses an embodiment of a compact distribution outlet structure, which specifically includes a distribution device building 1 for installing a GIS distribution device, a GIS outlet frame 2 extending out of the distribution device building 1, and a loop comprising a phase line a, a phase line B and a phase line C arranged in parallel and above the GIS outlet frame 2; 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 C phase line is positioned right above the A phase line, the B phase line is positioned right above the C phase line, the minimum distance among the A phase line, the B phase line and the C phase line is d1, and d1 is larger than the minimum allowable value of the phase-to-phase distance; the power distribution device building 1 is provided with an insulating fixing piece which is correspondingly hung with the A phase line, the B phase line and the C phase line, the insulating fixing piece is provided with hanging points a which are correspondingly hung with the A phase line, the B phase line or the C phase line, and the distances between the hanging points a of the A phase line, the B phase line and the C phase line in each group of loops and the outer wall of the power distribution device building 1 are unequal; 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 three-phase line distribution device, the three-phase lines in each group of loops are arranged in a layered mode through optimizing the positions of the three-phase lines, the C-phase line is specifically located right above the A-phase line, the B-phase line is located right above the C-phase line, when the outer wall of the distribution device building is routed, only the space between the loops is reserved transversely, the inter-phase distance is not required to be reserved, the inter-phase distance utilizes the height of the outer wall of the distribution device building, therefore, the transverse size occupied by each loop on the outer wall of the distribution device building is reduced, the whole occupied area of the distribution device building is reduced, the land is saved, and the construction cost of the distribution device building is reduced.
The C phase line is located directly over the A phase line, the B phase line is located directly over the C phase line, and the arrangement direction of the outgoing line points on the outer wall of the power distribution device building 1 is consistent with the arrangement direction of the wiring points of the A phase line, the B phase line and the C phase line on the line iron tower, namely, the wiring points are vertically arranged, three phase lines are prevented from crossing in the air in a three-dimensional manner, and the probability of interphase short circuit during the galloping of a high wind weather line is further reduced.
The GIS outgoing line frame 2 is arranged below three phase lines, when the three phase lines are respectively connected with the sleeves on the GIS outgoing line frame 2 through the phase line outgoing lines, as the distances between the A phase line, the B phase line and the hanging point a of the C phase line in each group of loops and the outer wall of the power distribution device building 1 are unequal, the phase line hanging points a are staggered along the length direction of the phase lines, and the phase line outgoing lines on the upper part, particularly, when the phase line on the upper part is connected with the sleeves on the GIS outgoing line frame 2 through the phase line outgoing lines, can be staggered with the phase line outgoing lines on the lower part and other phase line outgoing lines by a certain distance, so that the transverse distance is reduced, and meanwhile, the safety distance between the phase lines is easily realized.
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 12 outside the power distribution device 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 power distribution device building, and there is no obvious distinction between the three in the technical scheme, and the distinction is for convenience of description.
Because the B-phase line down-lead 4 connecting the B-phase line and the B-phase line sleeve 22 is longer than the C-phase line down-lead 5 connecting the C-phase line and the C-phase line sleeve 23, the distance between the hanging point a connected with the C-phase line and the outer wall of the power distribution device building 1 is preferably set to be greater than the distance between the hanging point a connected with the B-phase line and the outer wall of the power distribution device building 1 in order to reduce the horizontal windage influence for the stability of the B-phase line down-lead 4. And similarly, setting the distance between the hanging point connected with the A phase line and the outer wall of the distribution device building to be larger than the distance between the hanging point connected with the C phase line and the outer wall of the distribution device building. 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 and the C-phase line down conductor 5, the insulating fixing member, which is hung on the a-phase line in this embodiment, includes a first strain insulator string 61, and a first extension ring 62 for connecting the first strain insulator string 61 end to end, and one end of the C-phase line down conductor is connected to the C-phase line, while the other end passes through the first extension ring 62 and is connected to the C-phase line bushing 23. The insulating fixing members connected with the C-phase line in a hanging manner comprise a second strain insulator string 71 and a second extension ring 72 for connecting the second strain insulator string 71 end to end, one end of the B-phase line down-lead is connected with the B-phase line, and the other end sequentially passes through the second extension ring 72 and the first extension ring 62 and is connected with the B-phase line sleeve 22. Thus, the middle parts of the B-phase line down-lead 4 and the C-phase line down-lead 5 are fixed, the whole arrangement of the B-phase line down-lead 4 and the C-phase line down-lead 5 is more stable, and the influence of horizontal windage yaw on the B-phase line down-lead is reduced.
In addition, in the present embodiment, a first rod-shaped suspended composite insulator 81 connected to the a-phase line and a second rod-shaped suspended composite insulator 82 connected to the B-phase line are preferably provided on the C-phase line. Specifically, the a-phase line down conductor and the first rod-shaped suspension composite insulator 81 are sequentially arranged along the a-phase line in a direction away from the hanging point; the C-phase line down conductor, the second rod-shaped suspended composite insulator 82 and the first rod-shaped suspended composite insulator 81 are sequentially arranged along the direction that the C-phase line is far away from the hanging point, and the B-phase line down conductor and the second rod-shaped suspended composite insulator 82 are sequentially arranged along the direction that the B-phase line is far away from the hanging point.
The first rod-shaped suspended composite insulator 81 and the second rod-shaped suspended composite insulator 82 are light in weight and high in rigidity, are installed between two vertical wires, the positions of the two adjacent wires are further fixed, discharge short circuits caused by wind deflection and the like of the wires are further avoided, safety is further improved, and therefore the distance between insulating fixing pieces on a power distribution device building can be further compressed, and accordingly the height requirement on the power distribution device building is reduced.
The top of this embodiment distribution equipment building 1 is equipped with the support, the insulating mounting of B phase line with the support is fixed, still be equipped with ground wire 9 on the support in the top of B phase line. The insulating fixing pieces connected with the A phase line and the insulating fixing pieces connected with the C phase line are fixed with the outer wall of the power distribution device building 1.
Due to the arrangement of the first rod-shaped suspension type composite insulator 81 and the second rod-shaped suspension type composite insulator 82, the C phase line can be arranged right above the A phase line on the premise that a sufficient safety space is reserved below the A phase line on the outer wall of the power distribution device building 1, and the ground wire 9 and the B phase line are only arranged on the support, so that the load of the support at the top of the power distribution device building 1 can be reduced.
In order to meet the latest national standard requirements, the compact distribution outlet arrangement structure of the embodiment is also provided with an open type lightning arrester and an A-phase voltage transformer 101 in a fusion way, wherein the lightning arrester specifically comprises an A-phase lightning arrester 102 connected with the A-phase line, a B-phase lightning arrester 103 connected with the B-phase line, and a C-phase lightning arrester 104 connected with the C-phase line, and the A-phase voltage transformer 101 is connected with the A-phase line.
In order to facilitate wiring connection, the phase A voltage transformer 101 and the phase B lightning arrester 103 are both arranged on the outlet balcony 12, and the phase A voltage transformer 101 is arranged between the outer wall of the power distribution device building 1 and the phase A outlet sleeve 21; the B-phase lightning arrester 103 is arranged between the outer wall of the power distribution device building 1 and the C-phase outlet sleeve 23, and helps to reduce the width of the outlet balcony 12.
In order to further reduce the width of the outgoing balcony 12 and reduce the overall floor space of the power distribution device, the a-phase lightning arrester 102 and the C-phase lightning arrester 104 are arranged on a support independent of the outgoing balcony 12, the a-phase voltage transformer 101, the a-phase outgoing bushing 21 and the a-phase lightning arrester 102 are sequentially arranged, and the B-phase lightning arrester 103, the C-phase outgoing bushing 23 and the C-phase lightning arrester 104 are sequentially arranged.
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 power distribution device 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; and one end of the B-phase line sleeve 22 connected with the B-phase line down conductor 4 extends to the side close to the outer wall of the power distribution device building 1.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (6)
1. The utility model provides a distribution compact arrangement structure of being qualified for next round of competitions, its characterized in that includes the distribution equipment building that is used for installing GIS distribution equipment, stretches out to the GIS play line frame outside the distribution equipment building, and locates above the GIS play line frame, by parallel arrangement's A phase line, B phase line and C phase line constitute the return circuit;
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 C phase line is positioned right above the A phase line, and the B phase line is positioned right above the C phase line;
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;
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;
the power distribution device building is provided with an insulating fixing piece which is correspondingly hung with the A phase line, the B phase line and the C phase line, one end of the insulating fixing piece, which is far away from the power distribution device building, is provided with hanging points, the distances between the hanging points of the A phase line, the B phase line and the C phase line in each group of loops and the power distribution device building outer wall are unequal, the distance between the hanging points of the C phase line connection and the power distribution device building outer wall is greater than the distance between the hanging points of the B phase line connection and the power distribution device building outer wall, the distance between the hanging points of the A phase line connection and the power distribution device building outer wall is greater than the distance between the hanging points of the C phase line connection and the power distribution device building outer wall, and the insulating fixing piece connected with the A phase line and the insulating fixing piece connected with the C phase line are fixed with the power distribution device building outer wall;
the insulation fixing piece which is hung with the phase A line comprises a first tension insulator string and a first extension ring which is used for connecting the first tension insulator string end to end, one end of the phase C line down-lead is connected with the phase C line, and the other end of the phase C line down-lead passes through the first extension ring and is connected with a phase C line sleeve;
the insulating fixing pieces hung on the C-phase line comprise a second tension insulator string and a second extension ring used for connecting the second tension insulator string end to end, one end of the B-phase line down-lead is connected with the B-phase line, and the other end sequentially penetrates through the second extension ring and the first extension ring and is connected with a B-phase line sleeve;
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 arranged in an extending way towards one side deviating from the outer wall of the power distribution device building, 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 deviate from each other;
one end of the phase B wire outlet sleeve connected with the phase B wire outlet wire extends to one side close to the outer wall of the power distribution device building;
the lightning arrester also 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.
2. The compact distribution outlet arrangement of claim 1, wherein the C-phase line is provided with a first rod-shaped suspended composite insulator connected to the a-phase line and a second rod-shaped suspended composite insulator connected to the B-phase line;
the A phase line down lead and the first rod-shaped suspension composite insulator are sequentially arranged along the direction of the A phase line away from the hanging point of the A phase line;
the C-phase line down-lead, the second rod-shaped suspension type composite insulator and the first rod-shaped suspension type composite insulator are sequentially arranged along the direction of the C-phase line away from the hanging point of the C-phase line;
the phase B line down lead and the second rod-shaped suspension composite insulator are sequentially arranged along the direction that the phase B line is far away from the hanging point.
3. The compact distribution outlet compact arrangement of claim 1, further comprising a B-phase lightning arrester connected to the B-phase line by a wire, the B-phase lightning arrester disposed between an exterior wall of the distribution unit building and the C-phase outlet bushing.
4. A compact distribution outlet compact arrangement as claimed in claim 3, further comprising an a-phase voltage transformer connected to the a-phase line, the a-phase voltage transformer being disposed between the distribution unit building exterior wall and the a-phase outlet sleeve.
5. The distribution outlet compact arrangement structure according to claim 4, wherein an outlet balcony is arranged outside a distribution device building, the GIS outlet rack is arranged on the outlet balcony, the A-phase lightning arrester and the C-phase lightning arrester are arranged on a support independent of the outlet balcony, the A-phase voltage transformer, the A-phase outlet sleeve and the A-phase lightning arrester are sequentially arranged, and the B-phase lightning arrester, the C-phase outlet sleeve and the C-phase lightning arrester are sequentially arranged.
6. The compact distribution outlet compact arrangement of claim 1, further comprising a ground wire disposed above the B-phase wire, wherein a bracket is disposed on top of the distribution unit building, and wherein the ground wire and the B-phase wire are secured to the bracket by insulated fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310252082.8A CN115967017B (en) | 2023-03-16 | 2023-03-16 | Compact distribution outgoing line arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310252082.8A CN115967017B (en) | 2023-03-16 | 2023-03-16 | Compact distribution outgoing line arrangement structure |
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| Publication Number | Publication Date |
|---|---|
| CN115967017A CN115967017A (en) | 2023-04-14 |
| CN115967017B true CN115967017B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310252082.8A Active CN115967017B (en) | 2023-03-16 | 2023-03-16 | Compact distribution outgoing line arrangement structure |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706750A (en) * | 2017-11-03 | 2018-02-16 | 国网江苏省电力公司经济技术研究院 | Indoor GIS device roof outlet structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2408075A1 (en) * | 2010-07-15 | 2012-01-18 | Olle Corfitsson | Air-insulated switchgear |
| CN205141390U (en) * | 2015-12-02 | 2016-04-06 | 国网北京市电力公司 | Transformer substation's overhead wire outlet structure |
| CN106437219A (en) * | 2016-08-31 | 2017-02-22 | 中国电力技术装备有限公司郑州电力设计院 | 330kV sailing combined three-phase perpendicular line outlet structure |
| CN214707093U (en) * | 2021-04-08 | 2021-11-12 | 国家电投集团宁夏能源铝业中卫新能源有限公司 | Windage yaw preventing device for high-voltage overhead line tangent tower |
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2023
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706750A (en) * | 2017-11-03 | 2018-02-16 | 国网江苏省电力公司经济技术研究院 | Indoor GIS device roof outlet structure |
Non-Patent Citations (1)
| Title |
|---|
| 城市110kV变电站建设模式和建设方案探讨;杨桂丹;;电工技术(03);全文 * |
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| CN115967017A (en) | 2023-04-14 |
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