CN107424787A - A kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers - Google Patents
A kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers Download PDFInfo
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- CN107424787A CN107424787A CN201710585467.0A CN201710585467A CN107424787A CN 107424787 A CN107424787 A CN 107424787A CN 201710585467 A CN201710585467 A CN 201710585467A CN 107424787 A CN107424787 A CN 107424787A
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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
- H01F27/2847—Sheets; Strips
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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
- H01F27/2847—Sheets; Strips
- H01F27/2852—Construction of conductive connections, of leads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers, the vertical copper bars of its a1 are oppositely arranged up and down with the vertical copper bars of a5, the vertical copper bars of x2 are oppositely arranged up and down with the vertical copper bars of x6, the vertical copper bars of a3 are oppositely arranged up and down with the vertical copper bars of a7, and the vertical copper bars of x4 are oppositely arranged up and down with the vertical copper bars of x8.The vertical copper bars of b1 are oppositely arranged up and down with the vertical copper bars of b5, and the vertical copper bars of y2 are oppositely arranged up and down with the vertical copper bars of y6, and the vertical copper bars of b3 are oppositely arranged up and down with the vertical copper bars of b7, and the vertical copper bars of y4 are oppositely arranged up and down with the vertical copper bars of y8.The vertical copper bars of c1 are oppositely arranged up and down with the vertical copper bars of c5, and the vertical copper bars of z2 are oppositely arranged up and down with the vertical copper bars of z6, and the vertical copper bars of c3 are oppositely arranged up and down with the vertical copper bars of c7, and the vertical copper bars of z4 are oppositely arranged up and down with the vertical copper bars of z8.The present invention can apply and realize transformer of the low-tension current in more than 40kA.
Description
Technical field
The present invention relates to a kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers.
Background technology
With the development of national economy, low-voltage and high-current rectifier transformer is more and more, DC voltage 160V, direct current
The double anti-star half-wave cophase counter parallel connection rectifying circuits of rectifier transformer generally use that electric current is 230kA,
The technical scheme that existing double anti-star half-wave Cophasal inverse parallel rectifying transformer uses is:Fig. 1 is seen, per mutually including 4
Positive dihedral angle 8 vertical copper bars 1 end to end are organized, totally 24 vertical vertical copper bars 1 of copper bar 1,24 are laterally in one line i.e. horizontal for three-phase
Direction one shares the vertical copper bar of 24 rows.For low-tension current, in below 40kA transformer, the arrangement architecture is adapted to, still
For low-tension current more than 40kA transformer, because low-tension current is larger, wiring line footpath need it is larger cause it is adjacent vertically
Interval between copper bar needs larger, and especially low-tension current is needed between adjacent vertical copper bar larger in 230KA transformer
Position, it is difficult that current existing structure ultimately results in vertical copper bar arrangement, and transformer makes difficult, and cost is high.Therefore, for
Low-tension current does not adapt in more than the 40kA especially above-mentioned arrangement architectures of 230KA transformer.
In addition, in the prior art, the rectifier transformer room of double anti-star half-wave Cophasal inverse parallel rectifying transformers and rectifier
Room is separated, and the connection between the outlet terminal of rectifier transformer room and the outlet terminal of rectifier chamber drains into few needs
More than 1000mm length, the loss of connection row is so not only added, low pressure phase fault is easily caused to equipment, to equipment
Maintenance and safety bring hidden danger, add the operating cost of transformer.
The content of the invention
The technical problem to be solved in the present invention is：A kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers are provided, can
Using realizing transformer of the low-tension current in more than 40kA.
The technical solution adopted for the present invention to solve the technical problems is：A kind of double anti-star half-wave cophase counter parallel connection rectifications become
Depressor, using double anti-star half-wave cophase counter parallel connection rectifying circuit structures, double anti-star half-wave cophase counter parallel connection rectifying circuit knots
Structure has vertical copper bar arrangement architecture, and the vertical copper bar arrangement architecture includes the vertical copper bars of a1, the vertical copper bars of x2, the vertical copper of a5
Row, the vertical copper bars of x6, the vertical copper bars of a3, the vertical copper bars of x4, the vertical copper bars of a7, the vertical copper bars of x8, the vertical copper bars of b1, the vertical copper of y2
Row, the vertical copper bars of b5, the vertical copper bars of y6, the vertical copper bars of b3, the vertical copper bars of y4, the vertical copper bars of b7, the vertical copper bars of y8, the vertical copper of c1
Row, the vertical copper bars of z2, the vertical copper bars of c5, the vertical copper bars of z6, the vertical copper bars of c3, the vertical copper bars of z4, the vertical copper bars of c7, the vertical copper of z8
Row.
The vertical copper bars of a1 are oppositely arranged up and down with the vertical copper bars of a5, above and below the vertical copper bars of x2 and the vertical copper bars of x6
It is oppositely arranged, the vertical copper bars of a3 are oppositely arranged up and down with the vertical copper bars of a7, on the vertical copper bars of x4 and the vertical copper bars of x8
Under be oppositely arranged.
The vertical copper bars of b1 are oppositely arranged up and down with the vertical copper bars of b5, above and below the vertical copper bars of y2 and the vertical copper bars of y6
It is oppositely arranged, the vertical copper bars of b3 are oppositely arranged up and down with the vertical copper bars of b7, on the vertical copper bars of y4 and the vertical copper bars of y8
Under be oppositely arranged.
The vertical copper bars of c1 are oppositely arranged up and down with the vertical copper bars of c5, above and below the vertical copper bars of z2 and the vertical copper bars of z6
It is oppositely arranged, the vertical copper bars of c3 are oppositely arranged up and down with the vertical copper bars of c7, on the vertical copper bars of z4 and the vertical copper bars of z8
Under be oppositely arranged.
The vertical copper bar of the a1, the vertical copper bars of x2, the vertical copper bars of a3, the vertical copper bars of x4, the vertical copper bars of b1, the vertical copper of y2
Row, the vertical copper bars of b3, the vertical copper bars of y4, the vertical copper bars of c1, the vertical copper bars of z2, the vertical copper bars of c3, the vertical copper bars of z4 be arranged in parallel.
The vertical copper bar of the a5, the vertical copper bars of x6, the vertical copper bars of a7, the vertical copper bars of x8, the vertical copper bars of b5, the vertical copper of y6
Row, the vertical copper bars of b7, the vertical copper bars of y8, the vertical copper bars of c5, the vertical copper bars of z6, the vertical copper bars of c7, the vertical copper bars of z8 be arranged in parallel.
Further, double anti-star half-wave cophase counter parallel connection rectifying circuit structures include the first U-shaped copper bar, the second U-shaped
Copper bar, the 3rd U-shaped copper bar, the 4th U-shaped copper bar, the 5th U-shaped copper bar, the 6th U-shaped copper bar.
Described first U-shaped copper bar one end connects x1a2 transverse direction copper bars, and the first U-shaped copper bar other end connection x3a4 is horizontal
Copper bar.
Described second U-shaped copper bar one end connects x5a6 transverse direction copper bars, and the second U-shaped copper bar other end connection x7a8 is horizontal
Copper bar.
Described 3rd U-shaped copper bar one end connects y1b2 transverse direction copper bars, and the 3rd U-shaped copper bar other end connection y3b4 is horizontal
Copper bar.
Described 4th U-shaped copper bar one end connects y5b6 transverse direction copper bars, and the 4th U-shaped copper bar other end connection y7b8 is horizontal
Copper bar.
Described 5th U-shaped copper bar one end connects z1c2 transverse direction copper bars, and the 5th U-shaped copper bar other end connection z3c4 is horizontal
Copper bar.
Described 6th U-shaped copper bar one end connects z5c6 transverse direction copper bars, and the 6th U-shaped copper bar other end connection z7c8 is horizontal
Copper bar.
Further, the first U-shaped copper bar and the second U-shaped copper bar stagger setting up and down, the 3rd U-shaped copper bar and the
The upper and lower stagger setting of four U-shaped copper bars, the upper and lower stagger setting of the 5th U-shaped copper bar and the 6th U-shaped copper bar.
Further, the transformer has rectifier transformer room and rectifier chamber, the outlet of the rectifier transformer room
It is directly connected between terminal and the outlet terminal of rectifier chamber by lateral connection copper bar, locular wall and the rectification of the rectifier chamber become
The locular wall of depressor room is welded to connect.
The beneficial effects of the invention are as follows：4 groups of copper bars of a phase of the present invention are horizontal by the 8 of the prior art vertical words of copper bar one
2 groups of vertical copper bars, following 2 groups of vertical copper bars above are improved to arrangement, is oppositely arranged up and down, so that vertical copper in a phase
The quantity for arranging horizontal direction is reduced to 4 rows by 8 rows, and the quantity of vertical copper bar horizontal direction is horizontal direction for 12 rows needed for three-phase
Altogether only have the vertical copper bar of 12 rows, compared with prior art lacked one times, hence in so that between adjacent two vertical copper bars away from
From increasing one times, needed for interval of the low-tension current between more than 40kA especially 230KA adjacent vertical copper bar
Larger transformer also can adapt to and make.The production quality of transformer is protected and improved.The present invention's is adjacent vertical
Larger position can be vacated between copper bar, the present invention, which can apply, realizes low-tension current more than 40kA especially 230KA's
Transformer.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the vertical copper bar arrangement architecture in double anti-star half-wave cophase counter parallel connection rectifying circuit structures of prior art
Structural representation；
Fig. 2 is double anti-star half-wave cophase counter parallel connection rectifying circuit schematic diagrams of the present invention；
Fig. 3 is the knot of the vertical copper bar arrangement architecture in double anti-star half-wave cophase counter parallel connection rectifying circuit structures of the present invention
Structure schematic diagram；
Fig. 4 is rectifier transformer room and the connection diagram of rectifier chamber of the present invention.
Wherein：1st, vertical copper bar, 2, rectifier transformer room, 3, rectifier chamber, 4, lateral connection copper bar.
Embodiment
Presently in connection with accompanying drawing, the present invention is further illustrated.These accompanying drawings are simplified schematic diagram only with signal side
Formula illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 3, a kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers, using double anti-star half-wave cophase counter parallel connections
Rectifier circuit structure.Double anti-star half-wave cophase counter parallel connection rectifying circuit schematic diagrams are as shown in Figure 2.
Double anti-star half-wave cophase counter parallel connection rectifying circuit structures have vertical copper bar arrangement architecture, the vertical copper bar
Arrangement architecture includes the vertical copper bars of a1, the vertical copper bars of x2, the vertical copper bars of a5, the vertical copper bars of x6, the vertical copper bars of a3, the vertical copper of x4
Row, the vertical copper bars of a7, the vertical copper bars of x8, the vertical copper bars of b1, the vertical copper bars of y2, the vertical copper bars of b5, the vertical copper bars of y6, the vertical copper of b3
Row, the vertical copper bars of y4, the vertical copper bars of b7, the vertical copper bars of y8, the vertical copper bars of c1, the vertical copper bars of z2, the vertical copper bars of c5, the vertical copper of z6
Row, the vertical copper bars of c3, the vertical copper bars of z4, the vertical copper bars of c7, the vertical copper bars of z8.
The vertical copper bars of a1 are oppositely arranged up and down with the vertical copper bars of a5, above and below the vertical copper bars of x2 and the vertical copper bars of x6
It is oppositely arranged, the vertical copper bars of a3 are oppositely arranged up and down with the vertical copper bars of a7, on the vertical copper bars of x4 and the vertical copper bars of x8
Under be oppositely arranged.
The vertical copper bars of b1 are oppositely arranged up and down with the vertical copper bars of b5, above and below the vertical copper bars of y2 and the vertical copper bars of y6
It is oppositely arranged, the vertical copper bars of b3 are oppositely arranged up and down with the vertical copper bars of b7, on the vertical copper bars of y4 and the vertical copper bars of y8
Under be oppositely arranged.
The vertical copper bars of c1 are oppositely arranged up and down with the vertical copper bars of c5, above and below the vertical copper bars of z2 and the vertical copper bars of z6
It is oppositely arranged, the vertical copper bars of c3 are oppositely arranged up and down with the vertical copper bars of c7, on the vertical copper bars of z4 and the vertical copper bars of z8
Under be oppositely arranged；
The vertical copper bar of the a1, the vertical copper bars of x2, the vertical copper bars of a3, the vertical copper bars of x4, the vertical copper bars of b1, the vertical copper of y2
Row, the vertical copper bars of b3, the vertical copper bars of y4, the vertical copper bars of c1, the vertical copper bars of z2, the vertical copper bars of c3, the vertical copper bars of z4 be arranged in parallel.
The vertical copper bar of the a5, the vertical copper bars of x6, the vertical copper bars of a7, the vertical copper bars of x8, the vertical copper bars of b5, the vertical copper of y6
Row, the vertical copper bars of b7, the vertical copper bars of y8, the vertical copper bars of c5, the vertical copper bars of z6, the vertical copper bars of c7, the vertical copper bars of z8 be arranged in parallel.
Double anti-star half-wave cophase counter parallel connection rectifying circuit structures include the first U-shaped copper bar, the second U-shaped copper bar, the 3rd U
Shape copper bar, the 4th U-shaped copper bar, the 5th U-shaped copper bar, the 6th U-shaped copper bar.
Described first U-shaped copper bar one end connects x1a2 transverse direction copper bars, and the first U-shaped copper bar other end connection x3a4 is horizontal
Copper bar.
Described second U-shaped copper bar one end connects x5a6 transverse direction copper bars, and the second U-shaped copper bar other end connection x7a8 is horizontal
Copper bar.
Described 3rd U-shaped copper bar one end connects y1b2 transverse direction copper bars, and the 3rd U-shaped copper bar other end connection y3b4 is horizontal
Copper bar.
Described 4th U-shaped copper bar one end connects y5b6 transverse direction copper bars, and the 4th U-shaped copper bar other end connection y7b8 is horizontal
Copper bar.
Described 5th U-shaped copper bar one end connects z1c2 transverse direction copper bars, and the 5th U-shaped copper bar other end connection z3c4 is horizontal
Copper bar.
Described 6th U-shaped copper bar one end connects z5c6 transverse direction copper bars, and the 6th U-shaped copper bar other end connection z7c8 is horizontal
Copper bar.
Stagger setting above and below the first U-shaped copper bar and the second U-shaped copper bar, the 3rd U-shaped copper bar and the 4th U-shaped copper bar
Upper and lower stagger setting, the upper and lower stagger setting of the 5th U-shaped copper bar and the 6th U-shaped copper bar.
4 groups of copper bars of a phase of the present invention are improved to 2 groups above by the 8 of the prior art vertical words of copper bar one are transversely arranged
Vertical copper bar, following 2 groups of vertical copper bars, are oppositely arranged, so that the quantity of vertical copper bar horizontal direction is by 8 in a phase up and down
Row is reduced to 4 rows, and the quantity of vertical copper bar horizontal direction is that horizontal direction only has altogether the vertical copper of 12 rows for 12 rows needed for three-phase
Row, compared with prior art lacked one times, hence in so that the distance between adjacent two vertical copper bars increase one times, for
Interval of the low-tension current between more than 40kA especially 230KA adjacent vertical copper bar needs larger transformer also to fit
Should and it make.The production quality of transformer is protected and improved.It can be vacated between the adjacent vertical copper bar of the present invention larger
Position, the present invention can apply realizes low-tension current in more than 40kA especially 230KA transformers.
As shown in figure 4, the transformer has rectifier transformer room 2 and rectifier chamber 3, the rectifier transformer room 2
It is directly connected between the outlet terminal of outlet terminal and rectifier chamber 3 by lateral connection copper bar 4, the locular wall of the rectifier chamber 3
It is welded to connect with the locular wall of rectifier transformer room 2.
By rectifier transformer room 2 and rectifier chamber 3 into the structure being integral, that is, place space is saved, is saved again
Length needed for lateral connection copper bar 4, more make the reduction of its load loss, its efficiency is up to more than 99.2%, and power factor is by original
Highest 0.87 bring up to minimum more than 0.92.The Spring Festival holidays electricity charge reduce the operation expense of transformer up to 3,000,000 or so,
Improve the safe for operation and operating efficiency of transformer.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (4)
- A kind of 1. double anti-star half-wave Cophasal inverse parallel rectifying transformers, using double anti-star half-wave cophase counter parallel connection rectifying circuit knots Structure, double anti-star half-wave cophase counter parallel connection rectifying circuit structures have vertical copper bar arrangement architecture, the vertical copper bar arrangement Structure includes the vertical copper bars of a1, the vertical copper bars of x2, the vertical copper bars of a5, the vertical copper bars of x6, the vertical copper bars of a3, the vertical copper bars of x4, a7 Vertical copper bar, the vertical copper bars of x8, the vertical copper bars of b1, the vertical copper bars of y2, the vertical copper bars of b5, the vertical copper bars of y6, the vertical copper bars of b3, y4 Vertical copper bar, the vertical copper bars of b7, the vertical copper bars of y8, the vertical copper bars of c1, the vertical copper bars of z2, the vertical copper bars of c5, the vertical copper bars of z6, c3 Vertical copper bar, the vertical copper bars of z4, the vertical copper bars of c7, the vertical copper bars of z8；It is characterized in that：The vertical copper bars of a1 are oppositely arranged up and down with the vertical copper bars of a5, and the vertical copper bars of x2 and the vertical copper bars of x6 are relative up and down Set, be oppositely arranged above and below the vertical copper bars of a3 and the vertical copper bars of a7, the vertical copper bars of x4 and the vertical copper bars of x8 phase up and down To setting；The vertical copper bars of b1 are oppositely arranged up and down with the vertical copper bars of b5, and the vertical copper bars of y2 and the vertical copper bars of y6 are relative up and down Set, be oppositely arranged above and below the vertical copper bars of b3 and the vertical copper bars of b7, the vertical copper bars of y4 and the vertical copper bars of y8 phase up and down To setting；The vertical copper bars of c1 are oppositely arranged up and down with the vertical copper bars of c5, and the vertical copper bars of z2 and the vertical copper bars of z6 are relative up and down Set, be oppositely arranged above and below the vertical copper bars of c3 and the vertical copper bars of c7, the vertical copper bars of z4 and the vertical copper bars of z8 phase up and down To setting；The vertical copper bar of the a1, the vertical copper bars of x2, the vertical copper bars of a3, the vertical copper bars of x4, the vertical copper bars of b1, the vertical copper bars of y2, b3 Vertical copper bar, the vertical copper bars of y4, the vertical copper bars of c1, the vertical copper bars of z2, the vertical copper bars of c3, the vertical copper bars of z4 be arranged in parallel；The vertical copper bar of the a5, the vertical copper bars of x6, the vertical copper bars of a7, the vertical copper bars of x8, the vertical copper bars of b5, the vertical copper bars of y6, b7 Vertical copper bar, the vertical copper bars of y8, the vertical copper bars of c5, the vertical copper bars of z6, the vertical copper bars of c7, the vertical copper bars of z8 be arranged in parallel.
- A kind of 2. double anti-star half-wave Cophasal inverse parallel rectifying transformers according to claim 1, it is characterised in that：It is described double Anti- star half-wave cophase counter parallel connection rectifying circuit structure includes the first U-shaped copper bar, the second U-shaped copper bar, the 3rd U-shaped copper bar, the 4th U-shaped Copper bar, the 5th U-shaped copper bar, the 6th U-shaped copper bar；Described first U-shaped copper bar one end connects x1a2 transverse direction copper bars, and the first U-shaped copper bar other end connects x3a4 transverse direction copper Row；Described second U-shaped copper bar one end connects x5a6 transverse direction copper bars, and the second U-shaped copper bar other end connects x7a8 transverse direction copper Row；Described 3rd U-shaped copper bar one end connects y1b2 transverse direction copper bars, and the 3rd U-shaped copper bar other end connects y3b4 transverse direction copper Row；Described 4th U-shaped copper bar one end connects y5b6 transverse direction copper bars, and the 4th U-shaped copper bar other end connects y7b8 transverse direction copper Row；Described 5th U-shaped copper bar one end connects z1c2 transverse direction copper bars, and the 5th U-shaped copper bar other end connects z3c4 transverse direction copper Row；Described 6th U-shaped copper bar one end connects z5c6 transverse direction copper bars, and the 6th U-shaped copper bar other end connects z7c8 transverse direction copper Row.
- A kind of 3. double anti-star half-wave Cophasal inverse parallel rectifying transformers according to claim 2, it is characterised in that：Described One U-shaped copper bar and the upper and lower stagger setting of the second U-shaped copper bar, the upper and lower stagger setting of the 3rd U-shaped copper bar and the 4th U-shaped copper bar, Stagger setting above and below the 5th U-shaped copper bar and the 6th U-shaped copper bar.
- A kind of 4. double anti-star half-wave Cophasal inverse parallel rectifying transformers according to claim 2, it is characterised in that：The change Depressor has rectifier transformer room and rectifier chamber, the outlet terminal of the rectifier transformer room and the outlet terminal of rectifier chamber Between be directly connected to by port connecting copper bar, the locular wall and the locular wall of rectifier transformer room of the rectifier chamber are welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585467.0A CN107424787B (en) | 2017-07-18 | 2017-07-18 | Double-inverse star half-wave in-phase anti-parallel rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585467.0A CN107424787B (en) | 2017-07-18 | 2017-07-18 | Double-inverse star half-wave in-phase anti-parallel rectifier transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107424787A true CN107424787A (en) | 2017-12-01 |
| CN107424787B CN107424787B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710585467.0A Active CN107424787B (en) | 2017-07-18 | 2017-07-18 | Double-inverse star half-wave in-phase anti-parallel rectifier transformer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783501Y (en) * | 2005-03-11 | 2006-05-24 | 特变电工衡阳变压器有限公司 | Low voltage tapping structure for transformer of electric furnace |
| CN204289053U (en) * | 2014-12-15 | 2015-04-22 | 中国西电电气股份有限公司 | Envelope corner connection branched trackside outlet pin configuration in a kind of secondary lateral of electric stove transformer |
| CN206148232U (en) * | 2016-10-19 | 2017-05-03 | 保定市晶科变压器有限公司 | Two anti - star rectifier transformer of five post six phases of three -phase |
| CN207009258U (en) * | 2017-07-18 | 2018-02-13 | 江苏五洲电力科技有限公司 | A kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers |
-
2017
- 2017-07-18 CN CN201710585467.0A patent/CN107424787B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783501Y (en) * | 2005-03-11 | 2006-05-24 | 特变电工衡阳变压器有限公司 | Low voltage tapping structure for transformer of electric furnace |
| CN204289053U (en) * | 2014-12-15 | 2015-04-22 | 中国西电电气股份有限公司 | Envelope corner connection branched trackside outlet pin configuration in a kind of secondary lateral of electric stove transformer |
| CN206148232U (en) * | 2016-10-19 | 2017-05-03 | 保定市晶科变压器有限公司 | Two anti - star rectifier transformer of five post six phases of three -phase |
| CN207009258U (en) * | 2017-07-18 | 2018-02-13 | 江苏五洲电力科技有限公司 | A kind of double anti-star half-wave Cophasal inverse parallel rectifying transformers |
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| Publication number | Publication date |
|---|---|
| CN107424787B (en) | 2023-08-15 |
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