CN210404520U - Dumbbell type 220kV semi-indoor transformer substation optimization arrangement structure - Google Patents
Dumbbell type 220kV semi-indoor transformer substation optimization arrangement structure Download PDFInfo
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- CN210404520U CN210404520U CN201921677953.6U CN201921677953U CN210404520U CN 210404520 U CN210404520 U CN 210404520U CN 201921677953 U CN201921677953 U CN 201921677953U CN 210404520 U CN210404520 U CN 210404520U
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Abstract
An optimized layout structure of a dumbbell type 220kV semi-indoor transformer substation comprises a power distribution unit building and main transformers arranged on two outdoor sides of the power distribution unit building, wherein a 110kV main transformer inlet wire, a 220kV main transformer inlet wire and a 10kV main transformer inlet wire are respectively connected to one side of each main transformer in a leading-in mode, the 110kV main transformer inlet wire and the 10kV main transformer inlet wire are connected to one layer of the power distribution unit building, and the 220kV main transformer inlet wire is connected to the second layer of the power distribution unit building; a 10kV power distribution device room, 10kV reactive equipment, a 110kV cable shaft, a 220kV cable shaft and a grounding transformer arc suppression coil complete device are arranged on one floor of the power distribution device building; a cable interlayer is arranged below the 10kV distribution device room; GIS equipment and secondary equipment rooms are arranged on the second floor of the power distribution unit building; a fall platform is arranged between the first floor and the second floor of the power distribution device. The utility model discloses keeping the outdoor prerequisite of arranging, the built on stilts line of high-medium voltage that becomes of main transformer under, optimizing transformer substation arranges, reduces transformer area, the operation maintenance of being convenient for, reduces the engineering investment, the fortune dimension is convenient.
Description
Technical Field
The utility model relates to a transformer substation technical field, concretely relates to semi-indoor transformer substation of dumbbell type 220kV optimizes arrangement structure.
Background
The transformer substation general planning and general plane arrangement scheme directly relate to the construction investment benefits and the later-stage operation quality of the transformer substation and related lines, and the reasonable electric general plane arrangement scheme is crucial to saving precious land resources, ensuring the process smoothness of the transformer substation and facilitating operation and maintenance work. Through reasonable arrangement, on the premise of meeting the requirement of safe operation, the occupied area is reduced, the construction difficulty is reduced, the transformer substation is more tidy and attractive, and the method has important significance for improving the overall design level of the transformer substation.
The existing transformer substation is large in total planar arrangement occupied area, large in equipment installation and construction difficulty, large in operation and maintenance workload and large in engineering investment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, overcome the above-mentioned defect that prior art exists, provide optimization transformer substation and arrange, reduce transformer area, the operation maintenance of being convenient for, reduce the engineering investment, fortune dimension convenient one kind dumbbell type 220kV semi-indoor transformer substation optimizes layout structure.
The utility model provides a technical scheme that its technical problem adopted is: the optimized layout structure of the dumbbell type 220kV semi-indoor transformer substation comprises a power distribution unit building and main transformers arranged on two outdoor sides of the power distribution unit building, wherein a 110kV main transformer inlet wire, a 220kV main transformer inlet wire and a 10kV main transformer inlet wire are respectively connected to one side of each main transformer in a leading mode, the 110kV main transformer inlet wire and the 10kV main transformer inlet wire are connected to one layer of the power distribution unit building, the 220kV main transformer inlet wire is connected to the two layers of the power distribution unit building, and the 110kV main transformer inlet wire and the 220kV main transformer inlet wire ensure the charged distance between leads through lead height difference; a 10kV power distribution device room, 10kV reactive equipment, a 110kV cable shaft, a 220kV cable shaft and a grounding transformer arc suppression coil complete device are arranged on one floor of the power distribution device building; a cable interlayer is arranged below the 10kV distribution device room; GIS equipment and a secondary equipment room are arranged on the second floor of the power distribution unit building; a fall platform is arranged between the first floor and the second floor of the power distribution device building.
Further, the 220kV cable shaft is led down by utilizing a shunt reactor chamber in an air-induced mode; the 110kV cable shaft is arranged in a 10kV distribution device room, and the grounding transformer arc suppression coil complete device is arranged beside the 110kV cable shaft.
Furthermore, the 10kV distribution device room is arranged in a double equal-sign mode, and single-bus four-section annular wiring of a closed bus bridge is used.
Furthermore, the 10kV main transformer inlet wire adopts a copper bar to be connected with a main transformer bushing.
Furthermore, the 110kV main transformer inlet wire is laid in a cable interlayer, a 110kV high-voltage cable is adopted, and the cable terminal is connected with a main transformer sleeve through a lead.
Furthermore, the 220kV main transformer inlet wire adopts a GIL bus and is connected with a main transformer sleeve through a lead.
Furthermore, the 220kV main transformer inlet wire is laid on a fall platform, and a multi-loop GIL branch bus is adopted.
Furthermore, a fire fighting channel is arranged on the fall platform.
The utility model has the advantages that:
1. the transformers are arranged at two ends of the power distribution device, 2 power distribution buildings are combined into 1 power distribution device building, the road area in the station, the occupied area in the enclosing wall, the building area, the material consumption of 10kV cables and the like are effectively reduced, and the investment of a transformer substation is reduced;
the 2.110kV main transformer incoming line adopts a 110kV high-voltage cable, and is laid by utilizing a cable interlayer at the lower part of a 10kV room, so that the area of the cable interlayer is not required to be enlarged. A GIL bus is not adopted at the 110kV side, and the two layers are provided with a spatial arrangement hoisting platform and a hoisting hole, so that equipment hoisting can be realized more conveniently;
the 3.220kV main transformer incoming line 220kV GIL pipeline is arranged on 2 layers, and a platform formed by longitudinal size difference between one layer and the second layer is used for laying, so that multi-loop GIL branch buses can be laid, the branch buses do not need to be stacked, and the requirements of hoisting and overhauling in all directions can be met;
4.110kV and 220kV main transformer inlet wires can be led from one side of the transformer, the live distance between the leads is ensured through the lead height difference, a main transformer inlet wire framework is cancelled, and the operation and maintenance are convenient;
5. the GIL bus can meet the fire-fighting evacuation requirement, reduce the arrangement of passages in the building and reduce the volume of the building;
6. the cable shafts are reasonably arranged in the space of the reactor chamber and the 10kV distribution device chamber, so that the cable channels are smooth; a cable interlayer is arranged only under the 10kV distribution device room, and a cable interlayer is not arranged under the reactive power equipment room, so that the area of the interlayer is reduced, the laying requirement of cables can be met, and the operation and maintenance are convenient;
7. under the precondition that the outdoor arrangement of a main transformer and the overhead outgoing line of a high-medium voltage transformer are kept, the arrangement of the transformer substation is optimized, the occupied area of the transformer substation is reduced, the operation and the maintenance are convenient, the engineering investment is reduced, and the operation and the maintenance are convenient.
Drawings
FIG. l is a one-layer floor plan of the present invention;
FIG. 2 is a two-layer floor plan of the present invention;
FIG. 3 is a cross-sectional view of the main transformer inlet wire of the present invention;
fig. 4 is a cross-sectional view of the power distribution apparatus of the present invention.
In the figure: 1. the transformer comprises a main transformer, 2, a distribution device building, 211, 10kV distribution device rooms, 212, 10kV reactive equipment, 213, GIS equipment, 221, a secondary equipment room, 222, 110kV cable shafts, 223, 220kV cable shafts, 311, 110kV main transformer inlet wires, 312, 220kV main transformer inlet wires, 313, 10kV main transformer inlet wires, 321 cable interlayers, 322, a drop platform, 323 and a grounding transformer arc suppression coil complete device.
Detailed Description
The following embodiments are described in detail with reference to the following examples:
as shown in fig. 1 to 4, an embodiment of an optimized layout structure of a dumbbell type 220kV semi-indoor substation includes a distribution equipment building 2 and main transformers 1 arranged on both outdoor sides of the distribution equipment building 2, wherein a 110kV main transformer incoming line 311, a 220kV main transformer incoming line 312 and a 10kV main transformer incoming line 313 are respectively connected to one side of the main transformer 1, the 110kV main transformer incoming line 311 and the 10kV main transformer incoming line 313 are connected to one layer of the distribution equipment building 2, the 220kV main transformer incoming line 312 is connected to two layers of the distribution equipment building 2, and the 110kV main transformer incoming line 311 and the 220kV main transformer incoming line 312 ensure a live distance between the leads through a lead height difference; a 10kV power distribution device room 211, 10kV reactive equipment 212, a 110kV cable shaft 222, a 220kV cable shaft 223 and a grounding transformer arc suppression coil complete device 323 are arranged on one floor of the power distribution device building 2; a cable interlayer 321 is arranged below the 10kV distribution device room 211; a GIS device 213 and a secondary device room 221 are disposed on the second floor of the distribution equipment building 2; a fall platform 322 is arranged between the first floor and the second floor of the power distribution device building 2, and a fire fighting channel is arranged on the fall platform 322.
The 220kV cable shaft 223 is led down by utilizing a parallel reactor chamber; the 110kV cable shaft 222 is arranged in a 10kV distribution device room, and the grounding transformer arc suppression coil complete device 323 is arranged beside the 110kV cable shaft 222; 10kV distribution device room 211 adopts "two equal sign" to arrange, use the single generating line quartering ring wiring of closed generating line bridge, 10kV owner becomes inlet wire 313 adopts and adopts the copper bar to be connected with main transformer bushing, 110kV owner becomes inlet wire 311 lays in cable interlayer 321, adopt 110kV high tension cable, cable terminal is connected with main transformer bushing through the wire, 220kV owner becomes inlet wire 312 and adopts the GIL generating line, and be connected with main transformer bushing through the wire, 220kV owner becomes inlet wire 312 and lays on drop platform 322, and adopt multiloop GIL branch generating line.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be considered to be within the protection scope of the present invention.
Those not described in detail in the specification are well within the skill of the art.
Claims (8)
1. The optimized layout structure of the dumbbell type 220kV semi-indoor transformer substation is characterized by comprising a power distribution unit building and main transformers arranged on two sides of the power distribution unit building outdoors, wherein a 110kV main transformer inlet wire, a 220kV main transformer inlet wire and a 10kV main transformer inlet wire are respectively connected to one side of each main transformer in a leading mode, the 110kV main transformer inlet wire and the 10kV main transformer inlet wire are connected to one layer of the power distribution unit building, the 220kV main transformer inlet wire is connected to two layers of the power distribution unit building, and the 110kV main transformer inlet wire and the 220kV main transformer inlet wire ensure the charged distance between the leads through lead height difference; a 10kV power distribution device room, 10kV reactive equipment, a 110kV cable shaft, a 220kV cable shaft and a grounding transformer arc suppression coil complete device are arranged on one floor of the power distribution device building; a cable interlayer is arranged below the 10kV distribution device room; GIS equipment and a secondary equipment room are arranged on the second floor of the power distribution unit building; a fall platform is arranged between the first floor and the second floor of the power distribution device building.
2. The optimized layout structure of the dumbbell type 220kV semi-indoor substation according to claim 1, wherein the 220kV cable shaft is led down by a parallel reactor chamber in an air-induced mode; the 110kV cable shaft is arranged in a 10kV distribution device room, and the grounding transformer arc suppression coil complete device is arranged beside the 110kV cable shaft.
3. The optimized layout structure of a dumbbell type 220kV semi-indoor substation according to claim 1 or 2, characterized in that the 10kV distribution equipment room adopts a double equal sign layout and uses a single-bus four-segment ring connection of a closed bus bridge.
4. The optimized layout structure of the dumbbell type 220kV semi-indoor substation according to claim 3, wherein the 10kV main transformer inlet wire is connected with a main transformer bushing by adopting a copper bar.
5. The optimized layout structure of a dumbbell type 220kV semi-indoor substation according to claim 4, wherein the 110kV main transformer inlet wire is laid in a cable interlayer, a 110kV high-voltage cable is adopted, and the 110kV main transformer inlet wire is connected with a main transformer bushing through a lead.
6. The optimized layout structure of the dumbbell type 220kV semi-indoor substation according to claim 5, wherein the 220kV main transformer incoming line adopts a GIL bus and is connected with a main transformer bushing through a lead.
7. The optimized layout structure of the dumbbell type 220kV semi-indoor substation according to claim 6, wherein the 220kV main transformer inlet wire is laid on a drop platform and a multi-loop GIL branch bus is adopted.
8. The optimized layout structure of a dumbbell type 220kV semi-indoor substation according to claim 7, characterized in that a fire fighting tunnel is arranged on the drop platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677953.6U CN210404520U (en) | 2019-10-09 | 2019-10-09 | Dumbbell type 220kV semi-indoor transformer substation optimization arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677953.6U CN210404520U (en) | 2019-10-09 | 2019-10-09 | Dumbbell type 220kV semi-indoor transformer substation optimization arrangement structure |
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| Publication Number | Publication Date |
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| CN210404520U true CN210404520U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921677953.6U Active CN210404520U (en) | 2019-10-09 | 2019-10-09 | Dumbbell type 220kV semi-indoor transformer substation optimization arrangement structure |
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| CN (1) | CN210404520U (en) |
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- 2019-10-09 CN CN201921677953.6U patent/CN210404520U/en active Active
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