CN2927284Y - Adjusting transformer for smelting polycrystalline silicon - Google Patents
Adjusting transformer for smelting polycrystalline silicon Download PDFInfo
- Publication number
- CN2927284Y CN2927284Y CN 200620091873 CN200620091873U CN2927284Y CN 2927284 Y CN2927284 Y CN 2927284Y CN 200620091873 CN200620091873 CN 200620091873 CN 200620091873 U CN200620091873 U CN 200620091873U CN 2927284 Y CN2927284 Y CN 2927284Y
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- CN
- China
- Prior art keywords
- transformer
- current
- regulating transformer
- utility
- polysilicon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a multi-position regulating transformer for polysilicon smelting, characterized in that: a regulating transformer for polysilicon smelting is a three-phase transformer, primary winding adopts delta connection, without a tap, winding on a secondary side adopts insulated three single-phases, each winding on the secondary side has five taps for output. The utility model regulating transformer for polysilicon smelting is a multi-position regulating transformer, 1.2 times of rated current overload operation is permitted for each position in long term, three windings on the secondary side satisfy asymmetric requirement of 20% current, the influence of 3rd, 5th, 7th, 9th, 11th, 13th etc harmonics caused by waveform distortion has been considered in the design, wherein a maximum value of the 3rd harmonic content is 40%; the maximum value of the 5th harmonic content is 15%; the maximum value of the 13th harmonic content is 6% etc. At the maximum current peak value, the worst current waveform duty ratio is 50%. For no-load condition of the transformer, switching inrush current less than or equal to 7 times of rated current, the utility model has the advantages of reasonable structure, advanced technical performance, safe and reliable performance.
Description
Technical field
The utility model belongs to electricapparatus and equipment is made the field, relates to a kind of polysilicon and smelts with many grades of voltage regulating transformers.
Background technology
At present, the structure of traditional voltage regulating transformer is in the industrial production, and former limit is a delta connection, or star connection, and secondary is a delta connection, or star connection, and on former limit tap is arranged, and adjusts voltage fluctuation or changes the secondary output voltage by the tap of former limit; Its wiring can be: Dd wiring, DY wiring, Yd wiring, Yy wiring; Traditional voltage regulating transformer is a three-phase or single-phase.This frame mode is incompatible requirement of smelting polysilicon output voltage and leakage reactance in actual production.
Summary of the invention
Utility model has overcome the problem of above-mentioned existence, and purpose is to provide a kind of polysilicon smelting voltage regulating transformer for producing the smelting polysilicon.
The utility model polysilicon is smelted and is used the voltage regulating transformer content Description:
The utility model polysilicon is smelted and is used voltage regulating transformer, it is characterized in that: it is three-phase transformer that polysilicon is smelted with voltage regulating transformer, and former limit winding is delta connection, not tap, the secondary winding is three single-phase mutually insulateds, 5 tap outputs of each secondary winding.
It is many retaining voltage regulating transformers that the utility model polysilicon is smelted with voltage regulating transformer, each grade can 1.2 times the long-term work of rated current overload, three windings of secondary satisfy the asymmetrical requirement of 20% electric current, the influence of harmonic such as 3,5,7,9,11,13 of having considered in design that wave distortion causes, wherein 3 subharmonic content maximums 40%; 5 subharmonic content maximums 15%; 7 subharmonic content maximums 12%; 9 subharmonic content maximums 9%; 11 subharmonic content maximums 7%; 13 subharmonic content maximums 6%.To consider that also current effective value is certain, but the situation of current peak maximum, and current waveform duty ratio worst case is 50%.During no-load transformer, inrush phenomenon≤7 times rated current.Have rational in infrastructure, technical performance advanced person, the characteristics that performance is safe and reliable.
Description of drawings
Fig. 1 is that polysilicon is smelted with voltage regulating transformer electrical structure schematic diagram
Among the figure: the 1st, former limit winding, the 2nd, secondary winding.
Embodiment
It is that many grades of voltage regulating transformers are achieved in that to do below in conjunction with accompanying drawing and specify that the utility model polysilicon is smelted with voltage regulating transformer.See Fig. 1, it is three-phase transformer that polysilicon is smelted with voltage regulating transformer, and former limit winding 1 is delta connection, not tap, and secondary winding 2 is three single-phase mutually insulateds, 5 tap outputs of each secondary winding.To satisfy the asymmetrical requirement of 20% electric current.
In order to satisfy requirements of actual production, the influence of harmonic such as 3,5,7,9,11,13 of having considered in design that wave distortion causes, wherein 3 subharmonic content maximums 40%; 5 subharmonic content maximums 15%; 7 subharmonic content maximums 12%; 9 subharmonic content maximums 9%; 11 subharmonic content maximums 7%; 13 subharmonic content maximums 6%.To consider that also current effective value is certain, but the situation of current peak maximum, and current waveform duty ratio worst case is 50%.During no-load transformer, inrush phenomenon≤7 times rated current.Iron core adopts the 0.3mm cold-reduced silicon sheet, the complete oblique three grades of laminations of 45, and no latitude colligation, the tension of U type bar has reduced no-load loss and no-load current.Coil adopts the concentric type structure, and former limit is placed inboard, and secondary is placed the outside, makes things convenient for tap, and the transposing gear satisfies the requirement in the minimum leakage reactance of different gears simultaneously.In order to reduce eddy current loss and stray loss, each section of portion replaces in coil, and copper bar is drawn tap, and case lid adopts large tracts of land every magnetic, and it is minimum that its supplementary load loss are reduced to.Casing is the gilled radiator structure, and the secondary binding post is a double containment TED guide rod type structure, and overload capacity is strong.
Claims (1)
1, a kind of polysilicon is smelted and is used voltage regulating transformer, it is characterized in that: it is three-phase transformer that polysilicon is smelted with voltage regulating transformer, and former limit winding (1) is delta connection, not tap, secondary winding (2) is three single-phase mutually insulateds, (2) 5 tap outputs of each secondary winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091873 CN2927284Y (en) | 2006-07-01 | 2006-07-01 | Adjusting transformer for smelting polycrystalline silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091873 CN2927284Y (en) | 2006-07-01 | 2006-07-01 | Adjusting transformer for smelting polycrystalline silicon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2927284Y true CN2927284Y (en) | 2007-07-25 |
Family
ID=38281537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620091873 Expired - Fee Related CN2927284Y (en) | 2006-07-01 | 2006-07-01 | Adjusting transformer for smelting polycrystalline silicon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2927284Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7851942B2 (en) * | 2007-01-18 | 2010-12-14 | Aeg Power Solution B.V. | Circuit arrangement for supplying variable loads from three phases |
-
2006
- 2006-07-01 CN CN 200620091873 patent/CN2927284Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7851942B2 (en) * | 2007-01-18 | 2010-12-14 | Aeg Power Solution B.V. | Circuit arrangement for supplying variable loads from three phases |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20150701 |
|
| EXPY | Termination of patent right or utility model |