CN202997949U - Twenty-four pulse wave rectification transformer - Google Patents
Twenty-four pulse wave rectification transformer Download PDFInfo
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- CN202997949U CN202997949U CN 201220634274 CN201220634274U CN202997949U CN 202997949 U CN202997949 U CN 202997949U CN 201220634274 CN201220634274 CN 201220634274 CN 201220634274 U CN201220634274 U CN 201220634274U CN 202997949 U CN202997949 U CN 202997949U
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Abstract
The utility model relates to a twenty-four pulse wave rectification transformer, belonging to the technical field of transformers. The twenty-four pulse wave rectification transformer comprises iron cores, coils and clamps, and is characterized in that, the coils are of three phases, and the iron core of the coils of each phase is sequentially coated by a low-voltage coil and a high-voltage coil from inside to outside; the low-voltage coil is formed by four independent coils which are sleeved together in an axis direction, and the four independent coils each is provided with a lead-out terminal which is connected with a rectifier; and the high-voltage coil is formed by two independent coils which are sleeved together in an axis direction and connected in parallel for use. According to the utility model, a transformer is used to realize 24 pulse wave rectification, saving cost and in-site space, and the transformer has the advantages of simple structure, convenience in operation and maintenance, stable performance and long service life.
Description
Technical field
The utility model belongs to the transformer technology field, particularly relates to a kind of 24 pulse wave rectifier transformers.
Background technology
At present, the pulse wave rectifier transformer must be taked poly phase rectification for the ripple factor that reduces the Rectification Power Factor DC side and the harmonic content of AC, and this just need to produce artificial phase shift in Rectification Power Factor.Though multiple phase-shifted version is arranged, a kind of mode of often using is to carry out the displacement of corresponding phase at rectifier transformer net side winding.General separate unit rectifier transformer is 12 pulse waves, adopts low pressure axis of winding splitted construction more, if need to realize 24 pulse wave rectifiers like this, usually needs two 12 pulse wave rectifier transformers to use simultaneously, and existing increases cost, the technical problems such as wasting space.
Summary of the invention
The utility model provides a kind of 24 pulse wave rectifier transformers for solving the technical problem that exists in known technology.
The utility model 24 pulse wave rectifier transformers, every have six coils mutually, every transformer is totally 18 coils, can realize 24 pulse wave rectifiers at a transformer, and the high tension voltage tap adopts the end pressure adjusting structure, draw different number of turn terminals at end winding, realize the voltage tap conversion by regulating conducting rod at the diverse location terminal.
The purpose of this utility model is to provide to be had a transformer and realizes 24 pulse wave rectifiers, saves cost and site space, and product structure is simple, operation and easy to maintenance, stable performance, 24 pulse wave rectifier transformers of the characteristics such as long service life.
The technical scheme that the utility model 24 pulse wave rectifier transformers are taked is:
A kind of 24 pulse wave rectifier transformers comprise iron core, coil and folder; Be characterized in: coil is three-phase, on the iron core of every phase coil, is low-voltage coil and high-tension coil from inside to outside successively; Low-voltage coil by four independently coil axes form to being set in together, four independently coil respectively leading-out terminal be connected with rectifier; High-tension coil by two independently coil axes form to being set in together, the assembling mode that uses in parallel.
The utility model 24 pulse wave rectifier transformers can also adopt following technical scheme:
Described 24 pulse wave rectifier transformers are characterized in: two absolute coil capacity of high-tension coil are four absolute coil capacity sums of low-voltage coil, and the high-tension coil voltage tap adopts the end pressure adjusting structure.
Described 24 pulse wave rectifier transformers are characterized in: coil adopts copper conductor or aluminium conductor, adopt paper tinsel around or the wire winding method.
Described 24 pulse wave rectifier transformers are characterized in: four of low-voltage coil independently the coil terminal of drawing respectively be that single face is drawn or the two sides lead-out mode.
Described 24 pulse wave rectifier transformers are characterized in: on folder, blower fan is installed below high-tension coil or low-voltage coil.
Described 24 pulse wave rectifier transformers are characterized in: transformer is dry-type transformer or oil-filled transformer.
Advantage and the good effect that the utlity model has are:
24 pulse wave rectifier transformers compared with prior art, the utlity model has a transformer and realize 24 pulse wave rectifiers owing to having adopted the brand-new technical scheme of the utility model, save cost and site space, product structure is simple, operation and easy to maintenance, stable performance, the advantages such as long service life.
Description of drawings
Fig. 1 is 24 pulse wave rectifier transformer device structure schematic diagrames;
Fig. 2 is the right TV structure schematic diagram of Fig. 1.
In figure, 1-iron core, 2-upper clamping piece, 3-high-tension coil, 4-conducting rod, 5-lower clamping piece, 6-blower fan, 7-feet, 8-low-voltage coil, 9-low-voltage terminal.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Consult accompanying drawing 1 and Fig. 2.
Embodiment 1
A kind of dry type 24 pulse wave rectifier transformers comprise iron core, coil and folder; Coil is three-phase, and coil adopts copper conductor or aluminium conductor, paper tinsel around or the wire winding method.On the iron core of every phase coil, be low-voltage coil and high-tension coil from inside to outside successively; Low-voltage coil by four independently coil axes form to being set in together, four independently coil respectively leading-out terminal be connected with rectifier; High-tension coil by two independently coil axes form to being set in together, the assembling mode that uses in parallel; Two absolute coil capacity of high-tension coil are four absolute coil capacity sums of low-voltage coil, and the high-tension coil voltage tap adopts the end pressure adjusting structure.
Four of low-voltage coil independently the coil terminal of drawing respectively be that single face is drawn or the two sides lead-out mode.On folder, blower fan is installed below high-tension coil or low-voltage coil.
The concrete structure of the present embodiment and characteristics:
Referring to accompanying drawing 1 and Fig. 2.Dry type 24 pulse wave rectifier transformers comprise iron core 1, high-tension coil 3, low-voltage coil 8, upper clamping piece 2, lower clamping piece 5.High-tension coil 3 and low-voltage coil 8 are three-phase, on the iron core 1 of every phase high-tension coil 3 and low-voltage coil 8, are low-voltage coil 8 from inside to outside successively, high-tension coil 3.Low-voltage coil 8 comprises four independently coils, and four absolute coils form low-voltage coil 8 together.Four independently coil draw respectively 9, four groups of low-voltage terminals 9 of low-voltage terminal and be connected with rectifier respectively.High-tension coil 3 comprises two independently coils, and its capacity is four independent low-voltage coil capacity sums.High-tension coil 3 voltage tap are regulated and are adopted conducting rod 4 end pressure adjusting structures.On every phase high-tension coil 3, low-voltage coil 8, lower clamping piece 5, blower fan 6 is installed.
The present embodiment has described simple in structure, and is easy to maintenance, and a transformer is realized 24 pulse wave rectifiers, saves the characteristics such as cost and site space.
Claims (6)
1. a pulse wave rectifier transformer, comprise iron core, coil and folder; It is characterized in that: coil is three-phase, on the iron core of every phase coil, is low-voltage coil and high-tension coil from inside to outside successively; Low-voltage coil by four independently coil axes form to being set in together, four independently coil respectively leading-out terminal be connected with rectifier; High-tension coil by two independently coil axes form to being set in together, the assembling mode that uses in parallel.
2. 24 pulse wave rectifier transformers according to claim 1, it is characterized in that: two absolute coil capacity of high-tension coil are four absolute coil capacity sums of low-voltage coil, the high-tension coil voltage tap adopts the end pressure adjusting structure.
3. 24 pulse wave rectifier transformers according to claim 1 is characterized in that: coil adopts copper conductor or aluminium conductor, adopt paper tinsel around or the wire winding method.
4. 24 pulse wave rectifier transformers according to claim 1 is characterized in that: four of low-voltage coil independently the coil terminal of drawing respectively be that single face is drawn or the two sides lead-out mode.
5. the described 24 pulse wave rectifier transformers of arbitrary claim of according to claim 1 to 4, is characterized in that: on folder, blower fan is installed below high-tension coil or low-voltage coil.
6. described 24 pulse wave rectifier transformers of arbitrary claim of according to claim 1 to 4, it is characterized in that: transformer is dry-type transformer or oil-filled transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634274 CN202997949U (en) | 2012-11-26 | 2012-11-26 | Twenty-four pulse wave rectification transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634274 CN202997949U (en) | 2012-11-26 | 2012-11-26 | Twenty-four pulse wave rectification transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997949U true CN202997949U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634274 Expired - Lifetime CN202997949U (en) | 2012-11-26 | 2012-11-26 | Twenty-four pulse wave rectification transformer |
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| CN (1) | CN202997949U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006352A (en) * | 2015-08-21 | 2015-10-28 | 常州太平洋电力设备(集团)有限公司 | 24-pulse wound core rectifier transformer |
| CN105336480A (en) * | 2015-11-28 | 2016-02-17 | 河南铜牛变压器有限公司 | One-machine 24-pulse conjugated iron core liquid immersion type rectifier transformer |
| CN105336473A (en) * | 2015-11-28 | 2016-02-17 | 河南铜牛变压器有限公司 | Conjugate iron core for 24-pulse-wave rectifier transformer |
| CN112444689A (en) * | 2019-08-29 | 2021-03-05 | 特变电工京津冀智能科技有限公司 | Temperature rise test method and device for transformer |
-
2012
- 2012-11-26 CN CN 201220634274 patent/CN202997949U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006352A (en) * | 2015-08-21 | 2015-10-28 | 常州太平洋电力设备(集团)有限公司 | 24-pulse wound core rectifier transformer |
| CN105006352B (en) * | 2015-08-21 | 2017-03-08 | 常州太平洋电力设备(集团)有限公司 | 24 pulse wave rewinding material rectifier transformers |
| CN105336480A (en) * | 2015-11-28 | 2016-02-17 | 河南铜牛变压器有限公司 | One-machine 24-pulse conjugated iron core liquid immersion type rectifier transformer |
| CN105336473A (en) * | 2015-11-28 | 2016-02-17 | 河南铜牛变压器有限公司 | Conjugate iron core for 24-pulse-wave rectifier transformer |
| CN105336473B (en) * | 2015-11-28 | 2018-12-18 | 河南铜牛变压器有限公司 | A kind of 24 pulse wave rectifier transformer conjugation-type iron cores |
| CN112444689A (en) * | 2019-08-29 | 2021-03-05 | 特变电工京津冀智能科技有限公司 | Temperature rise test method and device for transformer |
| CN112444689B (en) * | 2019-08-29 | 2022-11-29 | 特变电工京津冀智能科技有限公司 | Temperature rise test method and device for transformer |
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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: 20130612 |
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| CX01 | Expiry of patent term |