CN203839947U - Substation system in composite structure - Google Patents
Substation system in composite structure Download PDFInfo
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- CN203839947U CN203839947U CN201420208163.4U CN201420208163U CN203839947U CN 203839947 U CN203839947 U CN 203839947U CN 201420208163 U CN201420208163 U CN 201420208163U CN 203839947 U CN203839947 U CN 203839947U
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- transformer
- substation
- transformer station
- double
- station
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to a substation system in a composite structure. The system comprises a hub station, a center substation, a middle substation and a terminal substation, wherein the hub station, the center substation, the middle substation and the terminal substation are connected through a grid. The hub station is provided with 4 to 8 groups of transformers. 1.5 circuit breaker wirings are used. An outgoing wire with 16 to 24 loops is connected with the center substation. The center substation is provided with 3 to 4 main transformers. A double-bus double-segment wiring is used to realize power receiving from the hub station or a power plant. Outgoing and incoming wires with 9 to 20 loops are connected with the middle substation and/or the terminal substation. The middle substation uses double-bus, double-bus single-segment and double-bus double-segment wirings to realize connection and power receiving. Outgoing and incoming wires with 6 to 12 loops are connected with the center substation, other middle substations or terminal substations. The terminal substation does not transmit power to other substations. Each wiring uses the transformers with circuit breaker lines. According to the utility model, different substations are connected, which is convenient for line detection and repair and ensures the safety of current transport.
Description
Technical field
The utility model relates to a kind of transformer station, especially relates to a kind of transformer substation system of composite construction.
Background technology
The function of existing transformer station is mostly more single in the market.In addition, for the transformer station that is applicable to different situations and occasion, cannot mutually connect by effective network, thereby make the application of transformer station be tending towards maximizing, therefore, how to design the transformer substation system that obtains widely applicable composite construction and become a technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is exactly to provide a kind of transformer substation system that different substation is connected, conveniently carried out the composite construction of wireline inspection maintenance in order to overcome the defect of above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
A transformer substation system for composite construction, comprises the junction, Central Substations, middle transformer station and the one-end substation that through electrical network, connect,
Described junction is generally provided with 4 main transformers, the wiring of transformer adopting half breaker, and the outlet that 16-24 loop is set is connected with Central Substations,
Described Central Substations is provided with 3-4 platform main transformer, adopts the two section wirings of double-bus from junction or power plant is subject to electricity, and the line that 9-20 loop is set is connected with middle transformer station or one-end substation,
The described all or part of loop of middle transformer station is subject to electricity from Central Substations or other transformer station, adopt double-bus, bus single-subsection, the two section wirings of double-bus to connect and be subject to electricity, 6-12 is set to be connected with Central Substations, other transformer station or one-end substation back into outlet
Described one-end substation is not to other transformer station's transferring electric power, and wiring adopts the transformer with circuit breaker circuit.
Described junction is 500kV transformer station, and the main transformer of employing is two winding transformer, and the capacity of this transformer is 750MVA-1500MVA.
Capacity preferred 750MVA, 1000MVA, 1200MVA or the 1500MVA of described main transformer.
Described Central Substations is 220kV transformer station, and the main transformer of employing is three-winding transformer, and the capacity of this transformer is 180MVA-300MVA.
The preferred 180MVA of capacity of described main transformer, 240MVA, 300MVA.
Described middle transformer station is 220kV transformer station, and three windings or two winding transformer are set in middle transformer station.
Described one-end substation is 220kV transformer station, and three-winding transformer is set in one-end substation.
Described electrical network is the electric power transmission network that large-cross section aerial line and cable form.
Compared with prior art, the utlity model has following advantage:
(1) for the transformer station of applicable different voltages, adopt the main transformer of different capabilities;
(2) for different transformer stations, adopt different loops and the mode of connection, guaranteed the security performance of current delivery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1 is that transformer station centered by junction, 2,3 is that middle transformer station, 4 is that one-end substation, 5 is that large-cross section aerial line, 6 is that two winding transformer, 7 is three-winding transformer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
A transformer substation system for composite construction, its structure as shown in Figure 1, comprises the junction 1, Central Substations 2, middle transformer station 3 and the one-end substation 4 that through electrical network, connect, use therein electrical network is the electric current transport net that large-cross section aerial line 5 forms.
Junction 1 is 500kV transformer station, is provided with 4 main transformers, is two winding transformer 6, and the capacity of transformer is 750MVA-1500MVA.In the present embodiment, the capacity of two winding transformer 6 is 750MVA, 1000MVA, 1200MVA or 1500MVA.Adopt a half breaker wiring, the outlet that 16-24 loop is set is connected with Central Substations.Central Substations 2 is 220kV transformer station, is provided with 3-4 platform main transformer, is provided with 3 three-winding transformers 7 in the present embodiment, and the capacity of transformer is 180MVA-300MVA.In the present embodiment, the capacity of main transformer is 180MVA, 240MVA, 300MVA.Adopt the two section wirings of double-bus from junction or power plant is subject to electricity, the line that 9-20 loop is set is connected with middle transformer station or one-end substation, middle transformer station is 220kV transformer station, 3 all or part of loops are subject to electricity from Central Substations or other transformer station, adopt double-bus, bus single-subsection, the two section wirings of double-bus to connect and be subject to electricity, 6-12 is set and back into outlet, is connected with Central Substations 2, other transformer station 3 or one-end substation 4.One-end substation 4 is 220kV transformer station, and not to other transformer station's transferring electric power, wiring adopts the transformer with circuit breaker circuit.
Claims (8)
1. a transformer substation system for composite construction, is characterized in that, comprises the junction, Central Substations, middle transformer station and the one-end substation that through electrical network, connect,
Described junction is provided with 4 main transformers, half breaker wiring of transformer adopting, and the outlet that 16-24 loop is set is connected with Central Substations,
Described Central Substations is provided with 3-4 platform main transformer, adopts the two section wirings of double-bus from junction or power plant is subject to electricity, and the line that 9-20 loop is set is connected with middle transformer station or one-end substation,
The described all or part of loop of middle transformer station is subject to electricity from Central Substations or other transformer station, adopt double-bus, bus single-subsection, the two section wirings of double-bus to connect and be subject to electricity, 6-12 is set to be connected with Central Substations, other transformer station or one-end substation back into outlet
Described one-end substation is not to other transformer station's transferring electric power, and wiring adopts the transformer with circuit breaker circuit.
2. the transformer substation system of a kind of composite construction according to claim 1, is characterized in that, described junction is 500kV transformer station, and the main transformer of employing is two winding transformer, and the capacity of this transformer is 750MVA-1500MVA.
3. the transformer substation system of a kind of composite construction according to claim 1, is characterized in that, capacity preferred 750MVA, 1000MVA, 1200MVA or the 1500MVA of described main transformer.
4. the transformer substation system of a kind of composite construction according to claim 2, is characterized in that, described Central Substations is 220kV transformer station, and the main transformer of employing is three-winding transformer, and the capacity of this transformer is 180MVA-300MVA.
5. the transformer substation system of a kind of composite construction according to claim 4, is characterized in that, the preferred 180MVA of capacity of described main transformer, 240MVA, 300MVA.
6. the transformer substation system of a kind of composite construction according to claim 3, is characterized in that, described middle transformer station is 220kV transformer station, and double winding or three-winding transformer are set in middle transformer station.
7. the transformer substation system of a kind of composite construction according to claim 4, is characterized in that, described one-end substation is 220kV transformer station, and three-winding transformer is set in one-end substation.
8. according to the transformer substation system of a kind of composite construction described in any one in claim 1-7, it is characterized in that, described electrical network is the electric power transmission network that large-cross section aerial line and cable form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208163.4U CN203839947U (en) | 2014-04-25 | 2014-04-25 | Substation system in composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208163.4U CN203839947U (en) | 2014-04-25 | 2014-04-25 | Substation system in composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839947U true CN203839947U (en) | 2014-09-17 |
Family
ID=51517746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208163.4U Expired - Lifetime CN203839947U (en) | 2014-04-25 | 2014-04-25 | Substation system in composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944163A (en) * | 2014-04-25 | 2014-07-23 | 国网上海市电力公司 | Combined transformer substation system |
-
2014
- 2014-04-25 CN CN201420208163.4U patent/CN203839947U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944163A (en) * | 2014-04-25 | 2014-07-23 | 国网上海市电力公司 | Combined transformer substation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |