CN110600248A - Scott magnetic regulating transformer for glass ball production process - Google Patents
Scott magnetic regulating transformer for glass ball production process Download PDFInfo
- Publication number
- CN110600248A CN110600248A CN201910860465.7A CN201910860465A CN110600248A CN 110600248 A CN110600248 A CN 110600248A CN 201910860465 A CN201910860465 A CN 201910860465A CN 110600248 A CN110600248 A CN 110600248A
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- coil
- primary coil
- scott
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- magnetic
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- 239000011521 glass Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 title abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a Scott magnetic tuning transformer for a glass ball production process, which comprises a primary coil, a secondary coil and a magnetic core, and further comprises a reactance coil connected in series with the primary coil and a direct current control coil coupled with the primary coil. The Scott magnetic regulating transformer has three-phase input and two single-phase outputs, so that three-phase balance of a power grid is ensured, the transformer has the stepless voltage regulating characteristic of a magnetic voltage regulator, and can be independently controlled in two groups to ensure output power requirements, meet different power requirements of a glass kiln, simplify gear shifting operation, improve process precision, and realize constant current or constant temperature control by being matched with automatic control.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a Scott magnetic regulating transformer for a glass ball production process.
Background
In the past process of glass ball production and heating in the glass industry, 8 electrodes are inserted into a glass kiln, two single-phase transformers supply power, and a plurality of taps are arranged on the low-voltage side of each transformer so as to meet the requirements of different powers of the glass kiln.
The prior art has a plurality of defects: the shifting of the transformer is troublesome; the output power of the transformer cannot be well matched with the required power; because 2 single-phase transformers are used, three-phase power is unbalanced.
Therefore, in view of the above technical problems, there is a need for a scott magnetic tuning transformer for glass ball production process.
Disclosure of Invention
In view of the above, the present invention provides a scott magnetic tuning transformer for glass ball production process, so as to achieve stepless voltage regulation and adjust output of any power within an adjustable range.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the Scott magnetic tuning transformer comprises a primary coil, a secondary coil and a magnetic core, and further comprises a reactance coil and a direct current control coil, wherein the reactance coil is connected with the primary coil in series, and the direct current control coil is coupled with the primary coil.
As a further improvement of the present invention, the primary coil includes a first primary coil, a second primary coil, a third primary coil and a fourth primary coil arranged in parallel, the first primary coil and the second primary coil are connected to the a-phase terminal, the third primary coil is connected to the B-phase terminal, and the fourth primary coil is connected to the C-phase terminal.
As a further improvement of the present invention, the reactance coils include a first reactance coil, a second reactance coil, a third reactance coil and a fourth reactance coil which are respectively arranged in series with the first primary coil, the second primary coil, the third primary coil and the fourth primary coil.
As a further improvement of the present invention, the dc control coil includes a first dc control coil coupled to the first primary coil and the second primary coil, and a second dc control coil coupled to the third primary coil and the fourth primary coil.
As a further improvement of the invention, the direct current control coil and the primary coil are arranged in a cross-coupling mode.
As a further improvement of the present invention, the magnetic cores include a first magnetic core opposing the first primary coil and the second primary coil, and a second magnetic core opposing the third primary coil and the fourth primary coil.
As a further improvement of the present invention, the secondary coil includes a first secondary coil and a second secondary coil arranged in parallel, and a third secondary coil and a fourth secondary coil arranged in parallel, and the first secondary coil, the second secondary coil, the third secondary coil and the fourth secondary coil are respectively connected to the output terminal a, the output terminal x, the output terminal b and the output terminal y.
The invention has the beneficial effects that:
the Scott magnetic regulating transformer has three-phase input and two single-phase outputs, so that three-phase balance of a power grid is ensured, the transformer has the stepless voltage regulating characteristic of a magnetic voltage regulator, and can be independently controlled in two groups to ensure output power requirements, meet different power requirements of a glass kiln, simplify gear shifting operation, improve process precision, and realize constant current or constant temperature control by being matched with automatic control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic circuit diagram of a Scott transformer of the prior art;
fig. 2 is a schematic circuit diagram of a scott magnetic tuning transformer in an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the various drawings of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration and, therefore, are used only to illustrate the basic structure of the subject matter of the present invention.
Referring to fig. 1, a scott magnetic tuning transformer used in a glass ball production process in the prior art includes a primary coil, a secondary coil, and a magnetic core, and further includes a reactance coil connected in series with the primary coil, and a dc control coil coupled to the primary coil.
Specifically, the primary coils include a first primary coil 11, a second primary coil 12, a third primary coil 13, and a fourth primary coil 14 arranged in parallel, the first primary coil 11 and the second primary coil 12 are connected to the a-phase terminal, the third primary coil 13 is connected to the B-phase terminal, and the fourth primary coil 14 is connected to the C-phase terminal.
The magnetic cores include a first magnetic core 31 opposing the first primary coil 11 and the second primary coil 12, and a second magnetic core 32 opposing the third primary coil 13 and the fourth primary coil 14.
The secondary coils include a first secondary coil 21 and a second secondary coil 22 arranged in parallel, and a third secondary coil 23 and a fourth secondary coil 24 arranged in parallel, and the first secondary coil 21, the second secondary coil 22, the third secondary coil 23 and the fourth secondary coil 24 are respectively connected with an output terminal a, an output terminal x, an output terminal b and an output terminal y.
Referring to fig. 2, in an embodiment of the present invention, a scott transformer is combined with a magnetic voltage regulator, and a reactance coil and a dc control coil are added on the basis of the original scott transformer, the reactance coil is connected in series with a primary coil, and the dc control coil is coupled with the reactance coil.
Specifically, the reactor includes a first reactor 41, a second reactor 42, a third reactor 43, and a fourth reactor 44, which are provided in series with the first primary coil 11, the second primary coil 12, the third primary coil 13, and the fourth primary coil 14, respectively.
The dc control coil includes a first dc control coil 51 coupled to the first primary coil 11 and the second primary coil 12, and a second dc control coil 52 coupled to the third primary coil 13 and the fourth primary coil 14. Preferably, the dc control coil in this embodiment is disposed to be vertically cross-coupled with the primary coil.
By adjusting the magnitude of the direct current flowing through the first direct current control coil 51 and the second direct current control coil 52, the magnitude of the output voltage Uax and Uby can be independently adjusted, stepless voltage regulation can be realized, the output of any power can be adjusted within an adjustable range, different power requirements of the glass kiln can be met, the gear shifting operation is simplified, and the process precision is improved.
Three-phase in and two-phase out of the Scott magnetic control system ensure three-phase balance of a power grid and can utilize electric energy more efficiently.
According to the technical scheme, the invention has the following beneficial effects:
the Scott magnetic regulating transformer has three-phase input and two single-phase outputs, so that three-phase balance of a power grid is ensured, the transformer has the stepless voltage regulating characteristic of a magnetic voltage regulator, and can be independently controlled in two groups to ensure output power requirements, meet different power requirements of a glass kiln, simplify gear shifting operation, improve process precision, and realize constant current or constant temperature control by being matched with automatic control.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The Scott magnetic tuning transformer for the glass ball production process comprises a primary coil, a secondary coil and a magnetic core, and is characterized by further comprising a reactance coil and a direct current control coil, wherein the reactance coil is connected with the primary coil in series, and the direct current control coil is coupled with the primary coil.
2. The Scott magnetic tuning transformer for glass sphere production process according to claim 1, wherein the primary coils comprise a first primary coil, a second primary coil, a third primary coil and a fourth primary coil which are arranged in parallel, the first primary coil and the second primary coil are connected with the A-phase terminal, the third primary coil is connected with the B-phase terminal, and the fourth primary coil is connected with the C-phase terminal.
3. A scott magnetic tuning transformer for glass sphere production process according to claim 2, wherein the reactance coils comprise a first reactance coil, a second reactance coil, a third reactance coil and a fourth reactance coil arranged in series with a first primary coil, a second primary coil, a third primary coil and a fourth primary coil, respectively.
4. A scott magnetic tuning transformer for glass sphere production process according to claim 2, wherein the dc control coils comprise a first dc control coil coupled to the first primary coil and the second primary coil, and a second dc control coil coupled to the third primary coil and the fourth primary coil.
5. A scott magnetic tuning transformer for glass sphere production process according to claim 1, characterized in that the dc control coil is cross-coupled with the primary coil.
6. A scott magnetic tuning transformer for glass sphere production process according to claim 2, characterized in that the magnetic cores comprise a first magnetic core opposite to the first and second primary coils and a second magnetic core opposite to the third and fourth primary coils.
7. A scott magnetic tuning transformer for glass ball production process according to claim 2, characterized in that the secondary coils comprise a first secondary coil and a second secondary coil arranged in parallel and a third secondary coil and a fourth secondary coil arranged in parallel, the first secondary coil, the second secondary coil, the third secondary coil and the fourth secondary coil are respectively connected with output terminal a, output terminal x, output terminal b and output terminal y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860465.7A CN110600248A (en) | 2019-09-11 | 2019-09-11 | Scott magnetic regulating transformer for glass ball production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860465.7A CN110600248A (en) | 2019-09-11 | 2019-09-11 | Scott magnetic regulating transformer for glass ball production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110600248A true CN110600248A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860465.7A Pending CN110600248A (en) | 2019-09-11 | 2019-09-11 | Scott magnetic regulating transformer for glass ball production process |
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| CN (1) | CN110600248A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650173A1 (en) * | 1993-10-22 | 1995-04-26 | Mitsuya Matsumura | A three-phase autotransformer with a balancing function |
| CN103354157A (en) * | 2013-06-27 | 2013-10-16 | 宜兴市兴益特种变压器有限公司 | Multi-tap Scott split-phase voltage-regulating magnetic voltage regulator |
| WO2017221253A1 (en) * | 2016-06-22 | 2017-12-28 | U.T.T. Unique Transformer Technologies Ltd | Three-phase transformer |
| CN208489097U (en) * | 2018-08-07 | 2019-02-12 | 江苏新特变科技股份有限公司 | Secondary split-phase magnetic voltage regulator for glass furnace |
| CN210956421U (en) * | 2019-09-11 | 2020-07-07 | 江苏新特变科技股份有限公司 | Scott magnetic regulating transformer for glass ball production process |
-
2019
- 2019-09-11 CN CN201910860465.7A patent/CN110600248A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650173A1 (en) * | 1993-10-22 | 1995-04-26 | Mitsuya Matsumura | A three-phase autotransformer with a balancing function |
| CN103354157A (en) * | 2013-06-27 | 2013-10-16 | 宜兴市兴益特种变压器有限公司 | Multi-tap Scott split-phase voltage-regulating magnetic voltage regulator |
| WO2017221253A1 (en) * | 2016-06-22 | 2017-12-28 | U.T.T. Unique Transformer Technologies Ltd | Three-phase transformer |
| CN208489097U (en) * | 2018-08-07 | 2019-02-12 | 江苏新特变科技股份有限公司 | Secondary split-phase magnetic voltage regulator for glass furnace |
| CN210956421U (en) * | 2019-09-11 | 2020-07-07 | 江苏新特变科技股份有限公司 | Scott magnetic regulating transformer for glass ball production process |
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