CN203180526U - Medium-voltage overhead power network tie connection system - Google Patents
Medium-voltage overhead power network tie connection system Download PDFInfo
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- CN203180526U CN203180526U CN 201320153297 CN201320153297U CN203180526U CN 203180526 U CN203180526 U CN 203180526U CN 201320153297 CN201320153297 CN 201320153297 CN 201320153297 U CN201320153297 U CN 201320153297U CN 203180526 U CN203180526 U CN 203180526U
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- interconnection switch
- overhead power
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Abstract
The utility model relates to a medium-voltage overhead power network tie connection system, which is used for connecting substations to form a connection network. The medium-voltage overhead power network tie connection system comprises cables and circuit breakers, section switches and a tie switch which are arranged, wherein the circuit breaker is arranged at the side close to the substation, the section switches and the tie switch are arranged on the cables forming the connection network, the section switches remain a normally closed state, and the tie switch remains a normally open state. Compared with the prior art, the medium-voltage overhead power network tie connection system is simple in structure and convenient to use and maintain. Partial network control is realized through the arranged circuit breaker, the section switches and the tie switch, thereby being capable of forming the medium-voltage overhead power network tie connection system with high integrality.
Description
Technical field
The utility model relates to a kind of wiring system, especially relates to a kind of middle built on stilts net contact wiring system of pressing.
Background technology
At power network development under the new situation, in the face of demand and the challenge of " high-quality with intelligent " electrical network, the distribution network planning traditional mode of will seeking to achieve breakthrough is realized multiobject unified plannings such as private subscribers, distributed power source, diversification electricity consumption.For improving the distribution network planning quality, plan as a whole electric network coordination development at different levels, solve power distribution network and develop weak problem, need the unified planning method, explore the planning technology that is fit to different power distribution network characteristics and demand.By refinement distribution network planning unit, be that unit carries out planning and designing and standardization planning management with the division module, study science and determine power supply zone method and corresponding programme thereof, realize specific aim, adaptability and the operability of distribution network planning.What wherein, play key effect a bit is exactly the configuration that built on stilts net is got in touch with wiring system.
The utility model content
The purpose of this utility model is exactly to provide a kind of simple in structure in order to overcome the defective that above-mentioned prior art exists, use and overhaul easily in press built on stilts net contact wiring system.
The purpose of this utility model can be achieved through the following technical solutions:
Press built on stilts net contact wiring system in a kind of, be used for connecting transformer station and constitute the wiring network, the circuit breaker, block switch and the interconnection switch that comprise cable and setting, described circuit breaker is arranged on the side near transformer station, described block switch and interconnection switch are located on the cable that constitutes the wiring network, described block switch keeps normally off, and described interconnection switch keeps normally open.
Described interconnection switch is connected on the wiring network of cable formation.
Described interconnection switch is connected in parallel on the wiring network of cable formation, forms branching networks.
Described interconnection switch series, parallel is on the wiring network that cable constitutes.
Described wiring network settings are between two 35kV transformer stations.
Described wiring network settings are between two 110kV transformer stations.
The transformer capacity that arranges in the described transformer station is not less than 1600kVA.
Compared with prior art, the utility model is simple in structure, uses and overhaul convenience, realizes localized network control by the circuit breaker, block switch and the interconnection switch that arrange, thereby can form the built on stilts contact wiring system of netting of the strong middle pressure of a globality.
Description of drawings
Fig. 1 is structural representation of the present utility model among the embodiment 1;
Fig. 2 is structural representation of the present utility model among the embodiment 2.
Among the figure, 1 is that transformer station, 2 is that wiring network, 3 is that circuit breaker, 4 is that block switch, 5 is interconnection switch.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment 1
Press built on stilts net contact wiring system in a kind of, its structure is used for connecting transformer station 1 and constitutes wiring network 2 as shown in Figure 1, mainly is made up of cable and the circuit breaker 3, block switch 4 and the interconnection switch 5 that are arranged on the cable.Transformer station 1 is two 35kV transformer stations, and the transformer capacity that arranges in transformer station 1 is not less than 1600kVA.Circuit breaker 3 is arranged on the side near transformer station 1, block switch 4 and interconnection switch 5 are located on the cable that constitutes the wiring network, and in the present embodiment, interconnection switch 5 is connected on the wiring network of cable formation, block switch 4 keeps normally off, and interconnection switch 5 keeps normally open.
Press built on stilts net contact wiring system in a kind of, its structure is used for connecting transformer station 1 and constitutes wiring network 2 as shown in Figure 2, mainly is made up of cable and the circuit breaker 3, block switch 4 and the interconnection switch 5 that are arranged on the cable.Transformer station 1 is two 110kV transformer stations, and the transformer capacity that arranges in transformer station 1 is not less than 1600kVA.Circuit breaker 3 is arranged on the side near transformer station 1, block switch 4 and interconnection switch 5 are located on the cable that constitutes the wiring network, in the present embodiment, interconnection switch 5 series connection, also be connected in parallel in addition on the wiring network of cable formation, the interconnection switch 5 that is connected in parallel on the cable forms branching networks, and block switch 4 keeps normally off, and interconnection switch 5 keeps normally open.
Claims (7)
1. press built on stilts net contact wiring system in one kind, it is characterized in that, be used for connecting transformer station and constitute the wiring network, the circuit breaker, block switch and the interconnection switch that comprise cable and setting, described circuit breaker is arranged on the side near transformer station, described block switch and interconnection switch are located on the cable that constitutes the wiring network, and described block switch keeps normally off, and described interconnection switch keeps normally open.
2. a kind of middle built on stilts net contact wiring system of pressing according to claim 1 is characterized in that described interconnection switch is connected on the wiring network of cable formation.
3. a kind of middle built on stilts net contact wiring system of pressing according to claim 1 is characterized in that described interconnection switch is connected in parallel on the wiring network of cable formation, forms branching networks.
4. a kind of middle built on stilts net contact wiring system of pressing according to claim 1 is characterized in that described interconnection switch series, parallel is on the wiring network of cable formation.
5. a kind of middle built on stilts net contact wiring system of pressing according to claim 1 is characterized in that described wiring network settings are between two 35kV transformer stations.
6. a kind of middle built on stilts net contact wiring system of pressing according to claim 1 is characterized in that described wiring network settings are between two 110kV transformer stations.
7. a kind of middle built on stilts net contact wiring system of pressing according to claim 1 is characterized in that the transformer capacity of setting is not less than 1600kVA in the described transformer station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153297 CN203180526U (en) | 2013-03-29 | 2013-03-29 | Medium-voltage overhead power network tie connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153297 CN203180526U (en) | 2013-03-29 | 2013-03-29 | Medium-voltage overhead power network tie connection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180526U true CN203180526U (en) | 2013-09-04 |
Family
ID=49077186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320153297 Expired - Lifetime CN203180526U (en) | 2013-03-29 | 2013-03-29 | Medium-voltage overhead power network tie connection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024329A (en) * | 2015-08-04 | 2015-11-04 | 国家电网公司 | Medium-voltage overhead trunk power distribution network construction structure and building method thereof |
-
2013
- 2013-03-29 CN CN 201320153297 patent/CN203180526U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024329A (en) * | 2015-08-04 | 2015-11-04 | 国家电网公司 | Medium-voltage overhead trunk power distribution network construction structure and building method thereof |
| CN105024329B (en) * | 2015-08-04 | 2017-07-18 | 国家电网公司 | A kind of empty trunk distribution network construction structure of middle pressure rack and its construction method |
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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: 20130904 |
|
| CX01 | Expiry of patent term |