CN201556514U - Large capacity and high electric current dry-type transformer for polycrystalline silicon electric furnace - Google Patents
Large capacity and high electric current dry-type transformer for polycrystalline silicon electric furnace Download PDFInfo
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- CN201556514U CN201556514U CN2009202408151U CN200920240815U CN201556514U CN 201556514 U CN201556514 U CN 201556514U CN 2009202408151 U CN2009202408151 U CN 2009202408151U CN 200920240815 U CN200920240815 U CN 200920240815U CN 201556514 U CN201556514 U CN 201556514U
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Abstract
A large capacity and high electric current dry-type transformer for a polycrystalline silicon electric furnace comprises an iron core (1), a high-voltage coil (2), a low-voltage coil (3) and so on, wherein the low-voltage coil (3) is fixed on the iron core (1), and the high-voltage coil (2) is sleeved on the outer side of the low-voltage coil (3). The dry-type transformer is characterized in that two groups of extraction copper bars (6) are symmetrically arranged on the low-voltage coil (3), windings in the low-voltage coil (3) adopt double-layered copper foil windings, and insulation is arranged between the two layer copper foils of the same turn in the low-voltage coil (3), so that the two extraction copper bars (6) are connected in parallel to bear secondary current respectively. Since the coil adopts the double-layered copper foil winding and insulation is arranged in the coil, the low-voltage coil (3) forms two low-voltage coils which are sleeved together; and the two low-voltage coils can supply power to two sets of electric equipments at the same time, so that investment, electrical distribution facilities and occupied land areas are reduced, the capacity is improved to meet the operation requirement for large current operation, the voltage regulating range is enlarged and so on.
Description
One, technical field
The utility model relates to a kind of big capacity polysilicon electric furnace dry-type transformer, relates in particular to many grades of pressure regulation dry-type transformers of low pressure of a kind of big capacity, high electric current.
Two, background technology
In the production of polysilicon, use reduction furnace and hydrogenation furnace usually, what provide power supply for these stoves is a kind of polysilicon dry-type transformer, and every cover stove need be equipped with a polysilicon dry-type transformer, and every transformer need be equipped with independent switchgear house.And manufacturing enterprise often multiple muffle furnace produce polysilicon, dry-type transformer and switchgear house that this just needs same quantity cause that investment is big, floor space is big.In order to reduce investment outlay, reduce switchgear house, it is the dry-type transformer of 2 cover polysilicon stove operation power supplies simultaneously that the client wishes to have.
Three, summary of the invention:
The purpose of this utility model is in order to satisfy client's needs, to provide a kind of and can satisfy the big capacity of 2 cover polysilicon electric furnace operation needs, the polysilicon electric furnace dry-type transformer of big electric current simultaneously; And be that the enterprise that produces polysilicon reduces investment outlay, reduces floor space.
For achieving the above object, the technical solution of the utility model is: the high pressure winding connects group and adopts three-phase, and low pressure is used single-phase; The current value that the low pressure winding can be exported various different voltages and electric current and low pressure simultaneously is big, and the range of regulation of low pressure is big.It includes iron core, high-tension coil, low-voltage coil etc.High-tension coil and low-voltage coil respectively are three, and low-voltage coil is fixed on the iron core, and high-tension coil is sleeved on the outside of low-voltage coil, form three-phase, and the copper bar of drawing on the low-voltage coil is connected with insulated terminal.It is characterized in that: low-voltage coil is provided with two groups of symmetric arrangement and draws copper bar; Winding in the low-voltage coil adopts double-deck Copper Foil (or copper cash) coiling, is provided with insulation between the two-layer Copper Foil with circle in the low-voltage coil, makes two to draw formation parallel connection between the copper bar, bears secondary current respectively.
Because each winding in the utility model low-voltage coil all adopts double-deck Copper Foil (or copper cash) coiling to form, and between two-layer Copper Foil, be provided with insulation, so just, make low-voltage coil form " two coils arranged side by side ", and be provided with two groups and draw copper bar, also just make each low pressure winding formed " two be sleeved on together, one group of low pressure winding of drawing copper bar is equipped with separately ".So just, realized a transformer just can be simultaneously to the requirement of two cover electricity consumption power devices.Also just reduce investment and switchgear house, also just reduced floor space.
Be arranged in juxtaposition because the winding in the utility model low-voltage coil is, winding can come as required to determine that improved the capacity of transformer, the operation needs of big electric current have been satisfied in parallel running, and the range of regulation of low-voltage coil is enlarged.
Four, description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the low-voltage coil schematic diagram.
Five, embodiment:
Accompanying drawing is an embodiment of the present utility model, present embodiment is that 6600kVA is an example with the capacity, the voltage of high pressure is 10kV, and the voltage and current of low pressure is respectively: the polysilicon electric furnace dry-type transformer of 235V/6400A, 335V/3500A, 660V/1515A and 1540V/400A is an example.It can replace the polysilicon electric furnace dry-type transformer of two 330kVA, can once drive 2 polysilicon electric furnace operation work.Include iron core (1), high-tension coil (2), low-voltage coil (3) etc.High-tension coil (2) and low-voltage coil (3) respectively are three, and low-voltage coil (3) is fixed on the iron core (1), and each high-tension coil (2) respectively is sleeved on the outside of a low-voltage coil (3), form one single-phase, three-phase transformer of three single-phase compositions; The copper bar (6) of drawing on the low-voltage coil (3) is connected with insulated terminal.The low-voltage coil of present embodiment (3) is provided with two groups of symmetric arrangement and draws copper bar (6); Low pressure output has fourth gear, then draws copper bar (6) and all has four to draw copper bar (6) for every group, adds 0 row again, and drawing copper bar (6) for every group all has five to draw copper bar (6).Winding in the low-voltage coil (3) adopts double-deck Copper Foil (or copper cash) coiling, each draws the winding of each low pressure output class copper bar (6) and is connected with one, the winding of each low pressure output class then has 2 to draw copper bar (6), draw copper bar (6) symmetric arrangement for two of the winding of each low pressure output class, like this, copper bar (6) symmetric arrangement of drawing of the winding of a plurality of low pressure output class becomes two groups to draw copper bar (6).Be provided with insulation between the two-layer Copper Foil with circle in the low-voltage coil (3), make two to draw formation parallel connection between the copper bar (6), bear secondary current respectively.So just, make low-voltage coil (3) form " two coils arranged side by side ", and be provided with two groups and draw copper bar (6), also just make low-voltage coil (3) formed " two be sleeved on together, one group of low-voltage coil of drawing copper bar is equipped with separately ".So just, realized a transformer just can be simultaneously to the requirement of two cover electricity consumption power devices.
High pressure winding of the present utility model still can adopt wire-wound, resin-cast, segmented layered structure.
Since low pressure to draw copper bar (6) more, assembling nargin for product, two groups of two 0 rows that draw in the copper bar (6) are arranged up and down, one 0 row's the copper bar (6) of drawing is lifted one's head above low-voltage coil (3), and another 0 row's the copper bar (6) of drawing is then lifted one's head below low-voltage coil (3).
In order to consider the cost of product, the high-pressure side in the low pressure winding, promptly the electric current between 660V and the 1540V is less, double-deck Copper Foil coiling can be do not adopted, the coiling of individual layer Copper Foil can be adopted, at this moment, the tap position of 1540V voltage selects the top of this section to be connected with the copper bar (6) of drawing of 660V.Also can be merged into one and draw copper bar (6) and draw copper bar (6) for two of minimum current output shelves (0 get rid of outer).
Present embodiment can be provided with multilayer, every layer of a plurality of axial air flue according to the heat radiation requirement in low-voltage coil (3) inside.
Because each winding in the utility model low-voltage coil (3) all adopts double-deck Copper Foil (or copper cash) coiling to form, and between two-layer Copper Foil, be provided with insulation, and be provided with two groups and draw copper bar (6), also just make low-voltage coil (3) formed " two be sleeved on together, one group of low-voltage coil of drawing copper bar is equipped with separately ".Winding in the low-voltage coil (3) is and is arranged in juxtaposition, and winding can come to determine as required.Therefore the utlity model has a transformer and just can reduce investment and switchgear house, also just reduced floor space simultaneously to the requirement of two cover electricity consumption power devices; Improved the capacity of transformer, the operation needs of big electric current have been satisfied in parallel running, and make the characteristics such as range of regulation expansion of low pressure winding.
Claims (1)
1. a polysilicon electric furnace is with big capacity, high electric current dry-type transformer, include iron core (1), high-tension coil (2), low-voltage coil (3), high-tension coil (2) and low-voltage coil (3) respectively are three, low-voltage coil (3) is fixed on the iron core (1), high-tension coil (2) is sleeved on the outside of low-voltage coil (3), form three-phase, the copper bar (6) of drawing on the low-voltage coil (3) is connected with insulated terminal; It is characterized in that: low-voltage coil (3) is provided with two groups of symmetric arrangement and draws copper bar (6); Winding in the low-voltage coil (3) adopts double-deck Copper Foil coiling, is provided with insulation between the two-layer Copper Foil with circle in the low-voltage coil (3), makes two to draw formation parallel connection between the copper bar (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202408151U CN201556514U (en) | 2009-11-06 | 2009-11-06 | Large capacity and high electric current dry-type transformer for polycrystalline silicon electric furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202408151U CN201556514U (en) | 2009-11-06 | 2009-11-06 | Large capacity and high electric current dry-type transformer for polycrystalline silicon electric furnace |
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CN201556514U true CN201556514U (en) | 2010-08-18 |
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CN2009202408151U Expired - Fee Related CN201556514U (en) | 2009-11-06 | 2009-11-06 | Large capacity and high electric current dry-type transformer for polycrystalline silicon electric furnace |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102226966A (en) * | 2011-04-06 | 2011-10-26 | 张家港新特变科技有限公司 | Transformer |
CN112216486A (en) * | 2020-09-30 | 2021-01-12 | 中电电气(江苏)变压器制造有限公司 | Novel three-phase transformer composed of three single-phase multi-tap transformers |
-
2009
- 2009-11-06 CN CN2009202408151U patent/CN201556514U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102226966A (en) * | 2011-04-06 | 2011-10-26 | 张家港新特变科技有限公司 | Transformer |
CN112216486A (en) * | 2020-09-30 | 2021-01-12 | 中电电气(江苏)变压器制造有限公司 | Novel three-phase transformer composed of three single-phase multi-tap transformers |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20171106 |