CN201219060Y - Multi-tap dry-type voltage-regulating transformer - Google Patents
Multi-tap dry-type voltage-regulating transformer Download PDFInfo
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- CN201219060Y CN201219060Y CNU200820025083XU CN200820025083U CN201219060Y CN 201219060 Y CN201219060 Y CN 201219060Y CN U200820025083X U CNU200820025083X U CN U200820025083XU CN 200820025083 U CN200820025083 U CN 200820025083U CN 201219060 Y CN201219060 Y CN 201219060Y
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Abstract
A multi-level dry type voltage-regulating transformer comprises an iron core (1), upper and lower jigs (2), high and low voltage windings etc. The high and low voltage winding is sleeved onto the iron core (1), the upper and lower jigs are disposed at upper and lower end of the iron core(1), a insulation barrel is disposed between high and low voltage windings. Low voltage coil of low voltage winding is not less than two, the low voltage coils are nested from outside to inside according to voltage magnitude; every low voltage coil (4) are all provided with tap (7), another end of the tap (7) is connected with low voltage output insulated terminals (8) of the terminal. A set of multiple low voltage coils (4) can accordingly promote capacity of capacitance, thereby different voltages and currents can be simultaneously outputted under low voltage, voltage regulation range is wide which can satisfy demand for utilization of multi-level voltage regulating equipment.
Description
One, technical field:
The utility model belongs to a kind of dry-type transformer, relates in particular to a kind of multi-stage dry voltage regulating transformer.Be applicable to that particularly polysilicon smelts usefulness, can realize the multi-stage dry voltage regulating transformer of many gears transformation, also can be used for the operating environment of other many gears of needs transformation.
Two, background technology:
Along with current society is more and more higher to the requirement of environmental protection and energy use, solar energy receives much concern as a kind of renewable free of contamination energy.Need in the use of solar energy with a large amount of polysilicons, reacting furnace is a necessaries of producing polysilicon.According to the special process process of production of polysilicon, the transformer that present domestic reacting furnace adopts is the oil-filled transformer of import all, and it costs an arm and a leg, safeguard frequently, and the maintenance cost height, and influence is produced.In addition, the user is in order to improve the output of polysilicon, must boost and increase mixed gas flow reacting furnace, increase mixed gas flow and then need to increase lot of energy, and the oil-filled transformer capacity of import is low, can not satisfy the needs that increase mixed gas flow, thereby has influenced quality, the output of production of polysilicon, even can cause that tripping operation has a power failure, and has a strong impact on ordinary production.In addition,, mostly be oil-filled transformer, and range of regulation generally is no more than 10%, can not satisfies the needs of reacting furnace (reacting furnace) production polysilicon though at present many grades transformer is arranged.
Three, summary of the invention
The purpose of this utility model provides a kind of multi-stage dry transformer, and its high pressure winding coupling group adopts three-phase, and low pressure is used single-phase; The low pressure winding can be exported various different voltages and electric current simultaneously, and range of regulation is big.
For achieving the above object, the technical scheme that the utility model is taked is: adopt a plurality of low-voltage coils to form the method for low pressure winding.Promptly include iron core, folder from top to bottom, high-low pressure winding etc., the high-low pressure winding is sleeved on the iron core, and folder from top to bottom is provided with the two ends up and down of iron core, is provided with insulating cylinder between the high and low pressure winding.The low-voltage coil of winding mesolow winding is no less than 2, and low-voltage coil is provided with the insulating radiation air flue according to voltage height suit successively from outside to inside between two adjacent low-voltage coils.Each low-voltage coil is provided with tap, and the other end of tap is connected with the insulated terminal of the low pressure of transformer output.So just, can obtain the low pressure of shelves identical number and current gear number of times (as 2 grades, 3 grades, 4 grades, 6 grades, even 8 grades etc.) with the low-voltage line number of turns; And each low-voltage coil can design as required, and the pressure regulation rate just can break through 10% scope.
Winding mesohigh coil is wire-wound, resin-cast, segmented layered structure; Low-voltage coil is that paper tinsel is around structure.
For the ease of heat radiation, the high-tension coil in the winding is provided with air flue I, is provided with the air flue II that insulating stay supports between each low-voltage coil.The heat that produces during transformer work dispels the heat by air flue I, II.
High pressure adopts three-phase to connect with high-voltage fence in use, and low pressure adopts single-phase connection.When high pressure access electrical network, the low pressure winding produces the low voltage voltage shelves number identical with the low-voltage line number of turns.Just can carry out fluid drive by AEG or other control system of using equipment, to satisfy the instructions for use of equipment.
Because the utility model adopts a plurality of low-voltage coil suits to form the method for the low pressure winding in the winding, the quantity of low-voltage coil can come to determine as required, each low-voltage coil can design as required, also can correspondingly improve simultaneously the capacity of transformer, satisfy the needs of many grades of voltages of equipment use.Therefore, the utlity model has when low pressure and can export various different voltages and electric current simultaneously, and characteristics such as range of regulation is big.Can the satisfy the demand equipment instructions for use of many grades of pressure regulation.
Four, description of drawings
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2.
Five, embodiment
The utility model is a kind of multi-stage dry transformer, is that the method that adopts a plurality of low-voltage coil 4 suits to form the low pressure winding realizes many grades of pressure regulation.Promptly include iron core 1, folder from top to bottom 2, high-low pressure winding etc., on the iron core 1 of high-low pressure winding suit, folder from top to bottom 2 is provided with the two ends up and down of iron core 1, is provided with insulating cylinder 5 between the high and low pressure winding.The low-voltage coil 4 of winding mesolow winding is no less than 2, and low-voltage coil 4 is according to voltage height suit successively from outside to inside, and each low-voltage coil 4 is provided with tap 7, and the other end of tap 7 is connected with the insulated terminal 8 that the low pressure of transformer is exported.So just, can obtain and the low pressure of the identical shelves of low-voltage coil 4 number numbers and current gear number of times (as 2 grades, 3 grades, 4 grades, 6 grades, even 8 grades etc.).
Accompanying drawing is an embodiment of the present utility model.Present embodiment be a kind ofly be used for reactor for polycrystalline silicon, be 4 grades dry voltage regulating transformer with low pressure.Be that low-voltage coil 4 is 4, be respectively 4-1,4-2,4-3,4-4.
Winding mesohigh coil 6 is wire-wound, resin-cast, segmented layered structure; Low-voltage coil 4 is that paper tinsel is around structure.
For the ease of heat radiation, the high-tension coil 6 in the winding is provided with air flue I 9, is provided with the air flue II 11 that insulating stay 10 supports between each low-voltage coil 4.The heat that produces during transformer work dispels the heat by air flue I 9, II 11.
High pressure adopts three-phase to connect with high-voltage fence, and low pressure adopts single-phase connection.When high pressure inserts electrical network, produce 4 different low pressure and electric current, i.e. 250V/3200A, 350V/1850A, 660V/760A, 1650V/225A at the low pressure winding.Present embodiment is connected with the AEG control system of reacting furnace, can realize fluid drive.
Because the utility model adopts a plurality of low-voltage coil 4 suits to form the method for low pressure winding, low-voltage coil 4 quantity can come as required to determine that each low-voltage coil 4 can design as required, also can simultaneously Correspondingly improve the capacity of transformer, satisfied the needs of reacting furnace production polysilicon. Therefore, this practicality is new Type has when low pressure can export multiple different voltage and current simultaneously, and the characteristics such as range of regulation is big. Energy The satisfy the demand equipment instructions for use of many grades of pressure regulation.
Claims (3)
1, a kind of multi-stage dry voltage regulating transformer, include iron core (1), folder from top to bottom (2), high-low pressure winding etc., on the iron core (1) of high-low pressure winding suit, folder from top to bottom (2) is provided with the two ends up and down of iron core (1), be provided with insulating cylinder (5) between the high and low pressure winding, the low-voltage coil (4) that it is characterized in that winding mesolow winding is no less than 2, low-voltage coil (4) is according to voltage height suit successively from outside to inside, each low-voltage coil (4) is provided with tap (7), and the other end of tap (7) is connected with the insulated terminal (8) of the low pressure of transformer output.
2, multi-stage dry voltage regulating transformer according to claim 1 is characterized in that described winding mesohigh coil (6) is wire-wound, resin-cast, segmented layered structure; Low-voltage coil (4) is that paper tinsel is around structure.
3, multi-stage dry voltage regulating transformer according to claim 1 is characterized in that the high-tension coil (6) in the winding is provided with air flue I (9), is provided with the air flue II (11) that insulating stay (10) supports between each low-voltage coil (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820025083XU CN201219060Y (en) | 2008-06-30 | 2008-06-30 | Multi-tap dry-type voltage-regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820025083XU CN201219060Y (en) | 2008-06-30 | 2008-06-30 | Multi-tap dry-type voltage-regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201219060Y true CN201219060Y (en) | 2009-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820025083XU Expired - Lifetime CN201219060Y (en) | 2008-06-30 | 2008-06-30 | Multi-tap dry-type voltage-regulating transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201219060Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388280B (en) * | 2008-06-30 | 2010-12-15 | 山东鲁能泰山电力设备有限公司 | Multi-stage dry voltage regulating transformer |
| CN102637514A (en) * | 2012-05-17 | 2012-08-15 | 正泰电气股份有限公司 | Low-voltage coil of three-voltage dry-type transformer |
| CN102903491A (en) * | 2012-10-29 | 2013-01-30 | 常熟市森源电气科技有限公司 | Small-capacity epoxy resin poured dry type transformer |
| CN104134523A (en) * | 2014-07-17 | 2014-11-05 | 中电电气(江苏)股份有限公司 | Low-voltage-coil axial air passage transformer |
-
2008
- 2008-06-30 CN CNU200820025083XU patent/CN201219060Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388280B (en) * | 2008-06-30 | 2010-12-15 | 山东鲁能泰山电力设备有限公司 | Multi-stage dry voltage regulating transformer |
| CN102637514A (en) * | 2012-05-17 | 2012-08-15 | 正泰电气股份有限公司 | Low-voltage coil of three-voltage dry-type transformer |
| CN102903491A (en) * | 2012-10-29 | 2013-01-30 | 常熟市森源电气科技有限公司 | Small-capacity epoxy resin poured dry type transformer |
| CN104134523A (en) * | 2014-07-17 | 2014-11-05 | 中电电气(江苏)股份有限公司 | Low-voltage-coil axial air passage transformer |
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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: 20090408 Effective date of abandoning: 20080630 |