CN102570844A - Control transformer for high-speed train - Google Patents
Control transformer for high-speed train Download PDFInfo
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- CN102570844A CN102570844A CN2012100329452A CN201210032945A CN102570844A CN 102570844 A CN102570844 A CN 102570844A CN 2012100329452 A CN2012100329452 A CN 2012100329452A CN 201210032945 A CN201210032945 A CN 201210032945A CN 102570844 A CN102570844 A CN 102570844A
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- transformer
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Abstract
The invention discloses a control transformer for a high-speed train. The control transformer comprises a primary transformer and an auxiliary transformer; the primary transformer comprises a primary winding and a primary iron core; the primary winding is sleeved on the primary iron core; the auxiliary transformer comprises an auxiliary winding and an auxiliary iron core; the auxiliary winding is sleeved on the auxiliary iron core capable of adjusting an air gap; a low-voltage part of the primary winding is serially connected with the auxiliary winding; the auxiliary transformer is arranged on the primary transformer; a clamping element is arranged between the primary iron core and the auxiliary iron core; an insulator is arranged among the primary iron core, the clamping element and the auxiliary iron core; insulating material is arranged between the primary winding and the auxiliary winding; the insulating material is arranged between the primary winding and the primary iron core and the insulating material is arranged between the auxiliary winding and the auxiliary iron core. The control transformer for the high-speed train, disclosed by the invention, has the advantages of simple structure and low cost, simplifies an additional circuit by power-frequency transformation, and is suitable for electric control of the high-speed train.
Description
Technical field
The invention belongs to transformer manufacture technology, specifically a kind of bullet train is used control transformer.
Background technology
Bullet train is used control transformer, requires to possess high-precision reactance value, and very big capability of overload, anti-vibration, waterproof etc. have strict restriction to overall dimensions and weight.Bullet train electrical control transformer mostly adopts imported product at present.Imported product adopts the intermediate frequency transformation, and additional have a complicated Power Electronic Circuit, not only system complex but also cost an arm and a leg.
Summary of the invention
In order to overcome the problem that existing import bullet train electrical control transformer exists; The purpose of this invention is to provide a kind of bullet train and use control transformer, this transformer adopting power frequency transformation has been simplified adjunct circuit; Simple in structure, cost is low, be applicable in the bullet train electrical control.
The objective of the invention is to realize through following technical scheme:
A kind of bullet train is used control transformer, it is characterized in that: this transformer comprises main transformer and auxiliary transformer, and said main transformer comprises main winding and main core, and main winding is sleeved on the main core; Auxiliary transformer comprises auxiliary winding and auxiliary iron core, and auxiliary winding is sleeved on the auxiliary iron core of adjustable air gap; The low pressure part and the auxiliary windings in series of main winding; Auxiliary transformer is installed on the main transformer; Between main core and auxiliary iron core, be provided with folder; Between main core, folder, auxiliary iron core, be provided with insulating part; Be provided with insulating material between main winding and auxiliary winding, be provided with insulating material between main winding and main core, between auxiliary winding and auxiliary iron core, be provided with insulating material.
Among the present invention, said auxiliary winding is the threephase cable input, and main winding is threephase cable output.
The present invention adopts the power frequency transformation, has simplified adjunct circuit, and is simple in structure, cost is low, has increased the security reliability of control system.
Rated capacity 253kVA of the present invention, input and output voltage 1295 V/417.44 V running frequency 50Hz, thermal endurance class H level.Be applicable in the bullet train electrical control.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a side-looking structural representation of the present invention.
Fig. 3 is a plan structure sketch map of the present invention.
Embodiment
A kind of bullet train of the present invention is used control transformer, and Fig. 1 is a structural representation of the present invention.Fig. 2 is a side-looking structural representation of the present invention.Fig. 3 is a plan structure sketch map of the present invention.This transformer comprises main transformer 1 and auxiliary transformer 2, and main transformer 1 comprises main winding 11 and main core 12, and main winding 11 is sleeved on the main core 12; Auxiliary transformer 2 comprises auxiliary winding 21 and auxiliary iron core 22, and auxiliary winding 21 is sleeved on the auxiliary iron core 22 of adjustable air gap; The low pressure of main winding 11 is partly connected with auxiliary winding 21; Auxiliary transformer 2 is installed in main transformer 1 top; Be provided with folder 3 at main core 12 and 22 of auxiliary iron cores; Be provided with insulating part 4 at main core 12, folder 3,22 of auxiliary iron cores.Be equipped with insulating material at 11 of main windings, 21 of auxiliary windings, main winding 11 and 12 of main cores, auxiliary winding 21 and 22 of auxiliary iron cores.Among Fig. 1, a, b, c are the threephase cable inputs; A, B, C are threephase cable output.
Among the present invention, the auxiliary iron core adjustable air gap.Between Transformer Winding, between winding and iron core, insulate with fire proofing between iron core and folder.Transformer is by the threephase cable input and output.The present invention adopts the power frequency transformation, has simplified adjunct circuit, and is simple in structure, cost is low, has increased the security reliability of control system.
Claims (2)
1. a bullet train is used control transformer; It is characterized in that: this transformer comprises main transformer (1) and auxiliary transformer (2); Said main transformer (1) comprises main winding (11) and main core (12), and main winding (11) is sleeved on the main core (12); Auxiliary transformer (2) comprises auxiliary winding (21) and auxiliary iron core (22), and auxiliary winding (21) is sleeved on the auxiliary iron core (22) of adjustable air gap; The low pressure of main winding (11) is partly connected with auxiliary winding (21); Auxiliary transformer (2) is installed on the main transformer (1); Between main core (12) and auxiliary iron core (22), be provided with folder (3); Between main core (12), folder (3), auxiliary iron core (22), be provided with insulating part (4); Be provided with insulating material between main winding (11) and auxiliary winding (21), be provided with insulating material between main winding (11) and main core (12), between auxiliary winding (21) and auxiliary iron core (22), be provided with insulating material.
2. bullet train according to claim 1 is used control transformer, it is characterized in that: said auxiliary winding (21) is the threephase cable input, and main winding (11) is threephase cable output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100329452A CN102570844A (en) | 2012-02-15 | 2012-02-15 | Control transformer for high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100329452A CN102570844A (en) | 2012-02-15 | 2012-02-15 | Control transformer for high-speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102570844A true CN102570844A (en) | 2012-07-11 |
Family
ID=46415475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100329452A Pending CN102570844A (en) | 2012-02-15 | 2012-02-15 | Control transformer for high-speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102570844A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0369102A (en) * | 1989-08-08 | 1991-03-25 | Daido Signal Co Ltd | Impedance bond |
| CN2503580Y (en) * | 2001-10-24 | 2002-07-31 | 青岛经济技术开发区创统科技发展有限公司 | Transformer |
| CN1380156A (en) * | 2002-02-11 | 2002-11-20 | 姜孟泽 | Power supply system for arc welding |
| CN200998805Y (en) * | 2006-08-18 | 2008-01-02 | 李志刚 | Energy-saving highly-effective alternating current energy arc welder |
| CN201364356Y (en) * | 2008-12-08 | 2009-12-16 | 大连第一互感器有限责任公司 | Cascade current sensor |
| CN202455276U (en) * | 2012-02-15 | 2012-09-26 | 镇江天力变压器有限公司 | Control transformer for high-speed train |
-
2012
- 2012-02-15 CN CN2012100329452A patent/CN102570844A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0369102A (en) * | 1989-08-08 | 1991-03-25 | Daido Signal Co Ltd | Impedance bond |
| CN2503580Y (en) * | 2001-10-24 | 2002-07-31 | 青岛经济技术开发区创统科技发展有限公司 | Transformer |
| CN1380156A (en) * | 2002-02-11 | 2002-11-20 | 姜孟泽 | Power supply system for arc welding |
| CN200998805Y (en) * | 2006-08-18 | 2008-01-02 | 李志刚 | Energy-saving highly-effective alternating current energy arc welder |
| CN201364356Y (en) * | 2008-12-08 | 2009-12-16 | 大连第一互感器有限责任公司 | Cascade current sensor |
| CN202455276U (en) * | 2012-02-15 | 2012-09-26 | 镇江天力变压器有限公司 | Control transformer for high-speed train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |