CN202121323U - External power supply system of electric railway traction station - Google Patents
External power supply system of electric railway traction station Download PDFInfo
- Publication number
- CN202121323U CN202121323U CN201120223321XU CN201120223321U CN202121323U CN 202121323 U CN202121323 U CN 202121323U CN 201120223321X U CN201120223321X U CN 201120223321XU CN 201120223321 U CN201120223321 U CN 201120223321U CN 202121323 U CN202121323 U CN 202121323U
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- electric railway
- station
- traction station
- traction
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Abstract
An external power supply system of an electric railway traction station is provided. The system at least comprises an old electric railway traction station and a new electric railway traction station, old electric railway traction station power supply lines, and new lines which are split and ringed into the new electric railway traction station. The single bus subsection wiring is adopted in the high voltage side main wiring of the new electric railway traction station, each section of bus is provided with a traction transformer, and the two electric railway traction station power supply lines of the old electric railway traction station are respectively split and ringed into two sections of buses of the new electric railway traction station to constitute the new lines. Breakers are arranged on the sides of the new lines, and subsection breakers are arranged between the two sections of buses, and the two traction transformers are respectively connected with the two sections of buses through breakers on the sides of the traction transformers. By applying the external power supply system of the electric railway traction station, the new electric railway traction station can be power-supplied only by establishing short opening lines, establishing the system transformer substation 220 kV power distribution interval is unnecessary, the line corridor resources are saved, and the investment is saved.
Description
Technical field
The utility model relates to a kind of externally fed system of novel electric railway traction station.
Background technology
The development of China's electric railway cause is at present advanced by leaps and bounds, and under the background of national large-scale basis Facilities Construction, government investment has been built large quantities of electric railway projects such as military wide visitor is special, the Shanghai-Hangzhou is objective specially, Zhejiang, Taiwan and Wenzhou railway.The Traction Station of these electric railways need be supplied power by electric power system, and power supply voltage level adopts 110kV or 220kV.For guaranteeing power supply reliability, the power supply of two telegram in reply sources is adopted at the electric railway traction station, and subsequent use each other.When adopting the power supply of 220kV electric pressure, the traction transformer high-pressure side generally adopts line to become set of connections, and conventional supply power mode is that every traction station of electrical railroad draws from the transformer station of electric power system and meets supply line 2 go back tos, and the Traction Station inserts electrical network with the pattern that the terminal becomes.
Because the quick propelling that electric railway is built; A plurality of traction station of electrical railroad often need be arranged in zone, transport hub in that many electric railways cross; And the transformer station's resource in the certain area coverage is limited, will take the separated and precious circuit corridor resource of a large amount of transformer station's power distribution stations according to above-mentioned externally fed mode, even because transformer station nearby can't insert Traction Station supply line; Need draw from place far away and connect power supply, thereby cause rolling up of investment cost.For conservation of power system resource and circuit corridor resource, reduce investment, we are necessary electric railway traction station externally fed mode is done deep research and optimization.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of above-mentioned existence; And provide a kind of novel, under the prerequisite that guarantees power supply reliability; Can reduce taking the separated and circuit corridor of transformer station's power distribution station, thereby practice thrift the electric railway traction station externally fed system of investment.
The purpose of the utility model realizes through following scheme: which comprises at least the Traction Station of existing electric railway and the newly-built circuit that the Traction Station of newly-built electric railway, existing traction station of electrical railroad supply line and split ring are gone into newly-built traction station of electrical railroad; The high-pressure side main electrical scheme at said newly-built electric railway traction station adopts single mother partition wiring; Every section bus is with a traction to become, with two telegram in reply railway traction station supply lines of the Traction Station of existing electric railway respectively split ring go on two sections buses at newly-built electric railway traction station and constitute described newly-built circuit.
Described newly-built line side disposes circuit breaker, disposes section breaker between two sections buses, has two flexible traction change side circuit breakers of crossing of traction to be connected on respectively on two sections buses simultaneously.
The utility model adopts and will have the supply power mode that Traction Station supply line split ring is gone into newly-built Traction Station, supply line that need not newly-built Traction Station to power system transformer substation, and the power distribution station that also need not take transformer station of system is separated; The on high-tension side Main Wire Connection Scheme in newly-built Traction Station adopts single mother partition wiring; Can satisfy the requirement of Traction Station power supply reliability; Need not change the mode of connection of existing Traction Station, when the traction change wiring pattern of new and old traction station of electrical railroad is inconsistent, also can adopt this novel supply power mode.
Compared with prior art, the beneficial effect of the utility model is: can reduce the length of newly-built supply line, the power distribution station that need not extend transformer station of system is separated, thereby has practiced thrift circuit corridor resource, has reduced investment.
Description of drawings
Fig. 1 is a kind of electric railway externally fed engineering system wiring schematic diagram.
Fig. 2 is high-pressure side, the Traction Station main electrical scheme sketch map that adopts the externally fed system.
Embodiment
To combine accompanying drawing that the utility model is done further to describe in detail below.Shown in Figure 1; With a simple electric railway traction station externally fed scheme is example; The somewhere has an electric railway A, and a Traction Station A1 is arranged in this area, connects 2 loop line road to Traction Station A1 realization power supply through drawing from power system transformer substation; A1 adopts the mode of connection of line change group to insert its 2 traction transformers, and subsequent use each other.Existing this area needs newly-built electric railway traction station B1 again with a newly-built electric railway B, and A1 and B1 close together.Traditional power supply plan of B1 Traction Station is that in addition newly-built 2 times supply lines draw from power system transformer substation and connect, and B1 adopts the mode of connection of line change group to insert its 2 traction transformers.
Fig. 1, shown in 2; The utility model comprises the Traction Station A1 of existing electric railway and the newly-built circuit 4 that the Traction Station B1 of newly-built electric railway, existing traction station of electrical railroad supply line 3 and split ring are gone into newly-built traction station of electrical railroad at least; The high-pressure side main electrical scheme of said newly-built electric railway traction station B1 adopts single mother partition wiring; Every section bus is with a traction to become, with the two telegram in reply railway traction station supply lines 3 of the Traction Station A1 of existing electric railway respectively split ring go on two sections buses of newly-built electric railway traction station B1 and constitute described newly-built circuit 4.
Described newly-built circuit 4 sides dispose configuration section breaker 9 between 7, two sections buses of circuit breaker, have two traction changes 6 to become side circuit breaker 8 through traction simultaneously and are connected on respectively on two sections buses; The wiring pattern of the traction modified line change group of original Traction Station A1 need not change.
As a kind of improvement, the high-pressure side main electrical scheme of newly-built electric railway changes single mother partition wiring into by the line change set of connections of routine, goes into newly-built traction station of electrical railroad for existing two telegram in reply railway traction station supply lines 3 split rings and has created condition.Adopt conventional traction station of electrical railroad externally fed mode to need newly-built twice 220kV circuits to the C of transformer station of system, circuit is longer, and the 220kV power distribution station that needs the C of transformer station of enlarging system is at a distance from two.After adopting novel externally fed mode, a Traction Station B1 who only needs newly-built one section short opening circuit 4 promptly to can be newly-built electric iron reliably supplies power, and it is separated to extend the 220kV power distribution station of transformer station of system.
The novel externally fed mode in described electric railway traction station; It is characterized in that described newly-built traction station of electrical railroad B1 high-pressure side main electrical scheme adopts single mother partition wiring, is newly-built traction station of electrical railroad B1 power supply through two sections buses that twice existing traction station of electrical railroad supply line 3 split rings are gone into newly-built traction station of electrical railroad B1.
At last, it should be noted that above what enumerate only is the specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and a lot of distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought the protection range of the utility model.
Claims (2)
1. the externally fed system at an electric railway traction station; The Traction Station (B1), existing traction station of electrical railroad supply line (3) and the split ring that which comprises at least Traction Station (A1) and the newly-built electric railway of existing electric railway are gone into the newly-built circuit (4) of newly-built traction station of electrical railroad; The high-pressure side main electrical scheme that it is characterized in that said newly-built electric railway traction station (B1) adopts single mother partition wiring; Every section bus is with a traction to become, with two telegram in reply railway traction station supply lines (3) of the Traction Station (A1) of existing electric railway respectively split ring go on two sections buses at newly-built electric railway traction station (B1) and constitute described newly-built circuit (4).
2. the externally fed system at electric railway traction according to claim 1 station; It is characterized in that described newly-built circuit (4) side disposes circuit breaker (7); Dispose section breaker (9) between two sections buses, have two tractions to become (6) simultaneously and be connected on respectively on two sections buses through traction change side circuit breaker (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223321XU CN202121323U (en) | 2011-06-29 | 2011-06-29 | External power supply system of electric railway traction station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223321XU CN202121323U (en) | 2011-06-29 | 2011-06-29 | External power supply system of electric railway traction station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121323U true CN202121323U (en) | 2012-01-18 |
Family
ID=45462360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120223321XU Expired - Lifetime CN202121323U (en) | 2011-06-29 | 2011-06-29 | External power supply system of electric railway traction station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202121323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320255A (en) * | 2011-06-29 | 2012-01-18 | 浙江省电力设计院 | External power supply system of electrified railway traction station |
| CN110611309A (en) * | 2019-09-19 | 2019-12-24 | 中国电力工程顾问集团西南电力设计院有限公司 | Power grid access structure of railway traction station |
-
2011
- 2011-06-29 CN CN201120223321XU patent/CN202121323U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320255A (en) * | 2011-06-29 | 2012-01-18 | 浙江省电力设计院 | External power supply system of electrified railway traction station |
| CN102320255B (en) * | 2011-06-29 | 2013-01-30 | 浙江省电力设计院 | External power supply system of electrified railway traction station |
| CN110611309A (en) * | 2019-09-19 | 2019-12-24 | 中国电力工程顾问集团西南电力设计院有限公司 | Power grid access structure of railway traction station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120118 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |