CN204927002U - Move phase winding pressure regulating rectifier transformer - Google Patents
Move phase winding pressure regulating rectifier transformer Download PDFInfo
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- CN204927002U CN204927002U CN201520259414.6U CN201520259414U CN204927002U CN 204927002 U CN204927002 U CN 204927002U CN 201520259414 U CN201520259414 U CN 201520259414U CN 204927002 U CN204927002 U CN 204927002U
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Abstract
The utility model belongs to the technical field of the transformer, a move phase winding pressure regulating rectifier transformer is disclosed, internal A, B, the C three -phase iron core post of including of this transformer box, it has two sets of A, B, C three -phase winding altogether to twine respectively. The basic winding that the every three -phase winding of group middle and high voltage inclined is established ties with the end of the same name that adjacent phase shift phase winding is the minor face for the end of the same name on long limit, and the terminal shunting on high -pressure side length limit is taken a percentage and is established ties through the terminal of tapping switch and reverse adjacent looks minor face, forms closed looks return circuit of moving, the terminal shunting of each winding is taken a percentage to establish ties through tapping switch and is switched the pressure regulating, the star hookup winding and the angular form hookup winding of low tension side move many pulse waves of the certain voltage of phase angle height adjustable electric energy to rectifier output. The utility model discloses moving the looks angle and confirming, the pressure regulating range is good with winding shunting number of turns matching nature. Product compact structure manufacturability is good, has reduced transformer manufacturing cost and operation loss.
Description
Technical field
The utility model belongs to transformer technology field, relates to rectifier transformer, is specifically related to rectifier transformer high-pressure side phase-shift voltage regulating technology.
Background technology
DC power-supply system is widely used at high energy consumption, electrochemical industry.In order to harmonic inhabitation pollutes, improve power factor, rectifier transformer capacity is larger requires that pulse number is more, many pulse numbers are become in order to obtain, being generally that employing two transformer group that even more multiple stage 12 tunnel exports is combined, staggers in the electrical signal phase angle, each road two or multiple stage transformer being exported by transformer phase shift.Here two aspect problems are had: the problem that the coordination problem of phase shift and pressure regulation and many devices body combine.Transformer phase-moving method has multiple, but combines with pressure regulation, is not easy to realize.General transformer low voltage umber of turn is few, and phase shift is all placed on high-pressure side and realizes, and the Phase shift winding that on high-tension side basic winding is connected in series adjacent phase produces corresponding phase shifting angle.When DC load change in voltage needs to carry out pressure regulation to rectifier transformer.Only change basic umber of turn and meet voltage request, can not ensure that phase shifting angle is constant.If phase shifting angle changes, harmonic inhabitation and each phase load balance can be affected.Often volume is bigger than normal for the transformer of many devices body simple combination, and material cost is high.
Summary of the invention
The purpose of this utility model is: based on the above-mentioned state of the art of phase shift adjustment convertor transformer, provide one can meet pressure regulation requirement and can effectively ensure that phase shifting angle is constant again, and compact conformation deposits office's rational phase-shift voltage regulating rectifier transformer solution.
For achieving the above object, the technical solution adopted in the utility model is: a kind of phase-shift voltage regulating rectifier transformer, comprise transformer-cabinet, it is characterized in that, comprise vertical parallel A, B, C tri-phase iron core post arranged in casing, the upper end of A, B, C tri-phase iron core post is connected by the upper yoke of horizontally set, and lower end is connected by the lower yoke of horizontally set, A phase iron core column is connected with iron yoke in first with the middle part of B phase iron core column, is connected with iron yoke in second in the middle part of B phase iron core column and C phase iron core column.
The first half of A, B, C tri-phase iron core post is wound with first group of A, B, C three-phase windings respectively, and the latter half of A, B, C tri-phase iron core post is wound with second group of A, B, C three-phase windings respectively; Every phase winding comprises the basic winding of high pressure, high pressure Phase shift winding, the first low pressure winding, the second low pressure winding.
Often organize the first low pressure winding Astrocytic conditioned medium of A, B, C three-phase windings, the second low pressure winding dihedral connects.
In one A, B, C three-phase windings, the basic Motor Winding Same Name of Ends of A phase high pressure is connected with C phase high pressure Phase shift winding Same Name of Ends, the basic Motor Winding Same Name of Ends of B phase high pressure is connected with A phase high pressure Phase shift winding Same Name of Ends, and the basic Motor Winding Same Name of Ends of C phase high pressure is connected with B phase high pressure Phase shift winding Same Name of Ends; The basic winding ends shunting tap of A phase high pressure is connected by shunting switch with B phase high pressure Phase shift winding end shunting tap, the basic winding ends shunting tap of B phase high pressure is connected by shunting switch with C phase high pressure Phase shift winding end shunting tap, and the basic winding ends shunting tap of C phase high pressure is connected by shunting switch with A phase high pressure Phase shift winding end shunting tap.
In 2nd A, B, C three-phase windings, the basic Motor Winding Same Name of Ends of A phase high pressure is connected with B phase high pressure Phase shift winding Same Name of Ends, the basic Motor Winding Same Name of Ends of B phase high pressure is connected with C phase high pressure Phase shift winding Same Name of Ends, and the basic Motor Winding Same Name of Ends of C phase high pressure is connected with A phase high pressure Phase shift winding Same Name of Ends; The basic winding ends shunting tap of A phase high pressure is connected by shunting switch with C phase high pressure Phase shift winding end shunting tap, the basic winding ends shunting tap of B phase high pressure is connected by shunting switch with A phase high pressure Phase shift winding end shunting tap, and the basic winding ends shunting tap of C phase high pressure is connected by shunting switch with B phase high pressure Phase shift winding end shunting tap.
The quantity of different winding ends shunting tap and the access turn ratio of shunting tap at the same level all identical.
Advantage of the present utility model has: basic winding and Phase shift winding separate, phase shift angle determination Working winding number of turn ratio accuracies is high, and pressure regulation amplitude determination winding tap number of turn matching is good.Do not need to increase other windings or device body, product with compact structure good manufacturability, reduce transformer manufacturing cost and running wastage.And because provide triple-frequency harmonics loop, the input of electrical network harmonic inhabitation device can be alleviated.
Accompanying drawing explanation
Fig. 1 is that the utility model phase-shift voltage regulating rectifier transformer first group of three-phase windings connects schematic diagram.
Fig. 2 is that the utility model phase-shift voltage regulating rectifier transformer second group of three-phase windings connects schematic diagram.
Specific embodiments
Below in conjunction with accompanying drawing, by embodiment, the utility model is described further.
It is different that the utility model phase-shift voltage regulating rectifier transformer and 24 arteries and veins by two separate phase shifting transformer simple combination export rectifier transformer, the utility model adopts single body structure, in a casing, by top-bottom layout vibrational power flow two groups of three-phase windings, two groups of three-phase windings share a set of iron core.A whole set of iron core comprises three verticals and to walk abreast the iron core column of spaced set, is respectively A, B, C tri-phase iron core post.A, B, C tri-phase iron core post upper end is coupled together by the upper yoke of horizontally set, and lower end is then coupled together by the lower yoke of horizontally set.The same phase winding of two groups of three-phase windings shares same iron core column, with in the middle part of iron core column for boundary, be wrapped in the first half and the Lower Half of an iron core column respectively.Coupled together by two middle iron yokes in the middle part of A, B, C tri-phase iron core post.The cross section of A, B, C tri-phase iron core post is circular, and the cross section of upper and lower iron yoke is circular, and the cross section of middle iron yoke is oval, and oval large radius is equal with the cross section circular radius of upper and lower iron yoke.
With reference to Fig. 1,2, the rectifier transformer of a kind of three grades of pressure regulation that what the present embodiment was shown is, long and short limit, high-pressure side winding ends all establishes three grades of shunting taps, and in different winding, the turn ratio of shunting tap access at the same level is identical.Shunting switch adopts two cage types, five grades of shunting switchs, and wherein second gear and fourth speed are neutral gear.Often organize A, B, C three-phase windings and use a shunting switch.Each shunting switch comprises three moving contacts of upper and lower spaced A, B, C tri-groups of fixed contacts and corresponding three groups of fixed contacts setting respectively, often organize fixed contact and comprise six fixed contacts, each fixed contact establishes terminals, six terminals in one group between two a pair, respectively corresponding three grades of shunting taps.Three moving contact coaxial synchronous in each shunting switch rotate.
In first group of three-phase windings, the basic Motor Winding Same Name of Ends of A phase high pressure is connected with C phase high pressure Phase shift winding Same Name of Ends, the basic Motor Winding Same Name of Ends of B phase high pressure is connected with A phase high pressure Phase shift winding Same Name of Ends, and the basic Motor Winding Same Name of Ends of C phase high pressure is connected with B phase high pressure Phase shift winding Same Name of Ends;
A phase high pressure basic winding one-level shunting tap A2 connects the first shunting switch A group first terminals, and secondary shunting tap A4 connects the first shunting switch A group the 3rd terminals, and three grades of shunting tap A6 connect the first shunting switch A group the 5th terminals;
A phase high pressure Phase shift winding one-level shunting tap A3 connects the first shunting switch C group second terminals, and secondary shunting tap A5 connects the first shunting switch C group the 4th terminals, and three grades of shunting tap A7 connect the first shunting switch C group the 6th terminals;
B phase high pressure basic winding one-level shunting tap B2 connects the first shunting switch B group first terminals, and secondary shunting tap B4 connects the first shunting switch B group the 3rd terminals, and three grades of shunting tap B6 connect the first shunting switch B group the 5th terminals;
B phase high pressure Phase shift winding one-level shunting tap B3 connects the first shunting switch A group second terminals, and secondary shunting tap B5 connects the first shunting switch A group the 4th terminals, and three grades of shunting tap B7 connect the first shunting switch A group the 6th terminals;
C phase high pressure basic winding one-level shunting tap C2 connects the first shunting switch C group first terminals, and secondary shunting tap C4 connects the first shunting switch C group the 3rd terminals, and three grades of shunting tap C6 connect the first shunting switch C group the 5th terminals;
C phase high pressure Phase shift winding one-level shunting tap C3 connects the first shunting switch B group second terminals, and secondary shunting tap C5 connects the first shunting switch B group the 4th terminals, and three grades of shunting tap C7 connect the first shunting switch B group the 6th terminals.
In the 2nd A, B, C three-phase windings, the basic Motor Winding Same Name of Ends of A phase high pressure is connected with B phase high pressure Phase shift winding Same Name of Ends, the basic Motor Winding Same Name of Ends of B phase high pressure is connected with C phase high pressure Phase shift winding Same Name of Ends, and the basic Motor Winding Same Name of Ends of C phase high pressure is connected with A phase high pressure Phase shift winding Same Name of Ends;
A phase high pressure basic winding one-level shunting tap A2 connects the second shunting switch A group first terminals, and secondary shunting tap A4 connects the second shunting switch A group the 3rd terminals, and three grades of shunting tap A6 connect the second shunting switch A group the 5th terminals;
A phase high pressure Phase shift winding one-level shunting tap A3 connects the second shunting switch B group second terminals, and secondary shunting tap A5 connects the second shunting switch B group the 4th terminals, and three grades of shunting tap A7 connect the second shunting switch B group the 6th terminals;
B phase high pressure basic winding one-level shunting tap B2 connects the second shunting switch B group first terminals, and secondary shunting tap B4 connects the second shunting switch B group the 3rd terminals, and three grades of shunting tap B6 connect the second shunting switch B group the 5th terminals;
B phase high pressure Phase shift winding one-level shunting tap B3 connects the second shunting switch C group second terminals, and secondary shunting tap B5 connects the second shunting switch C group the 4th terminals, and three grades of shunting tap B7 connect the second shunting switch C group the 6th terminals;
C phase high pressure basic winding one-level shunting tap C2 connects the second shunting switch C group first terminals, and secondary shunting tap C4 connects the second shunting switch C group the 3rd terminals, and three grades of shunting tap C6 connect the second shunting switch C group the 5th terminals;
C phase high pressure Phase shift winding one-level shunting tap C3 connects the second shunting switch A group second terminals, and secondary shunting tap C5 connects the second shunting switch A group the 4th terminals, and three grades of shunting tap C7 connect the second shunting switch A group the 6th terminals.
Claims (6)
1. a phase-shift voltage regulating rectifier transformer, comprise transformer-cabinet, it is characterized in that, vertical parallel A, B, C tri-phase iron core post arranged is comprised in casing, the upper end of A, B, C tri-phase iron core post is connected by the upper yoke of horizontally set, lower end is connected by the lower yoke of horizontally set, and A phase iron core column is connected with iron yoke in first with the middle part of B phase iron core column, is connected with iron yoke in second in the middle part of B phase iron core column and C phase iron core column; The first half of A, B, C tri-phase iron core post is wound with first group of A, B, C three-phase windings respectively, and the latter half of A, B, C tri-phase iron core post is wound with second group of A, B, C three-phase windings respectively; Every phase winding comprises the basic winding of high pressure, high pressure Phase shift winding, the first low pressure winding, the second low pressure winding; Often organize the first low pressure winding Astrocytic conditioned medium of A, B, C three-phase windings, the second low pressure winding dihedral connects;
In first group of A, B, C three-phase windings, the basic Motor Winding Same Name of Ends of A phase high pressure is connected with C phase high pressure Phase shift winding Same Name of Ends, the basic Motor Winding Same Name of Ends of B phase high pressure is connected with A phase high pressure Phase shift winding Same Name of Ends, and the basic Motor Winding Same Name of Ends of C phase high pressure is connected with B phase high pressure Phase shift winding Same Name of Ends; The basic winding ends shunting tap of A phase high pressure is connected by shunting switch with B phase high pressure Phase shift winding end shunting tap, the basic winding ends shunting tap of B phase high pressure is connected by shunting switch with C phase high pressure Phase shift winding end shunting tap, and the basic winding ends shunting tap of C phase high pressure is connected by shunting switch with A phase high pressure Phase shift winding end shunting tap;
In second group of A, B, C three-phase windings, the basic Motor Winding Same Name of Ends of A phase high pressure is connected with B phase high pressure Phase shift winding Same Name of Ends, the basic Motor Winding Same Name of Ends of B phase high pressure is connected with C phase high pressure Phase shift winding Same Name of Ends, and the basic Motor Winding Same Name of Ends of C phase high pressure is connected with A phase high pressure Phase shift winding Same Name of Ends; The basic winding ends shunting tap of A phase high pressure is connected by shunting switch with C phase high pressure Phase shift winding end shunting tap, the basic winding ends shunting tap of B phase high pressure is connected by shunting switch with A phase high pressure Phase shift winding end shunting tap, and the basic winding ends shunting tap of C phase high pressure is connected by shunting switch with B phase high pressure Phase shift winding end shunting tap.
2. phase-shift voltage regulating rectifier transformer according to claim 1, it is characterized in that, the cross section of A, B, C tri-phase iron core post is circular, and the cross section of upper and lower iron yoke is circular, the cross section of middle iron yoke is oval, and oval large radius is equal with the cross section circular radius of upper and lower iron yoke.
3. phase-shift voltage regulating rectifier transformer according to claim 1, is characterized in that, the quantity of different winding ends shunting tap and the access turn ratio of shunting tap at the same level all identical.
4. phase-shift voltage regulating rectifier transformer according to claim 1, is characterized in that, the basic winding of high pressure and high pressure transposition winding ends all establish three grades of shunting taps, and in different winding, the turn ratio of shunting tap access at the same level is identical; Shunting switch adopts two cage types, five grades of shunting switchs, and wherein second gear and fourth speed are neutral gear; Often organize A, B, C three-phase windings and use a shunting switch; Each shunting switch comprises three moving contacts of upper and lower spaced A, B, C tri-groups of fixed contacts and corresponding three groups of fixed contacts setting respectively, often organize fixed contact and comprise six fixed contacts, each fixed contact establishes terminals, six terminals in one group between two a pair, respectively corresponding three grades of shunting taps; Three moving contact coaxial synchronous in each shunting switch rotate.
5. phase-shift voltage regulating rectifier transformer according to claim 4, it is characterized in that, in first group of A, B, C three-phase windings, A phase high pressure basic winding one-level shunting tap (A2) connects the first shunting switch A group first terminals, secondary shunting tap (A4) connects the first shunting switch A group the 3rd terminals, and three grades of shunting taps (A6) connect the first shunting switch A group the 5th terminals; A phase high pressure Phase shift winding one-level shunting tap (A3) connects the first shunting switch C group second terminals, and secondary shunting tap (A5) connects the first shunting switch C group the 4th terminals, and three grades of shunting taps (A7) connect the first shunting switch C group the 6th terminals; B phase high pressure basic winding one-level shunting tap (B2) connects the first shunting switch B group first terminals, and secondary shunting tap (B4) connects the first shunting switch B group the 3rd terminals, and three grades of shunting taps (B6) connect the first shunting switch B group the 5th terminals; B phase high pressure Phase shift winding one-level shunting tap (B3) connects the first shunting switch A group second terminals, and secondary shunting tap (B5) connects the first shunting switch A group the 4th terminals, and three grades of shunting taps (B7) connect the first shunting switch A group the 6th terminals; C phase high pressure basic winding one-level shunting tap (C2) connects the first shunting switch C group first terminals, and secondary shunting tap (C4) connects the first shunting switch C group the 3rd terminals, and three grades of shunting taps (C6) connect the first shunting switch C group the 5th terminals; C phase high pressure Phase shift winding one-level shunting tap (C3) connects the first shunting switch B group second terminals, and secondary shunting tap (C5) connects the first shunting switch B group the 4th terminals, and three grades of shunting taps (C7) connect the first shunting switch B group the 6th terminals.
6. phase-shift voltage regulating rectifier transformer according to claim 4, it is characterized in that, in second group of A, B, C three-phase windings, A phase high pressure basic winding one-level shunting tap (A2) connects the second shunting switch A group first terminals, secondary shunting tap (A4) connects the second shunting switch A group the 3rd terminals, and three grades of shunting taps (A6) connect the second shunting switch A group the 5th terminals; A phase high pressure Phase shift winding one-level shunting tap (A3) connects the second shunting switch B group second terminals, and secondary shunting tap (A5) connects the second shunting switch B group the 4th terminals, and three grades of shunting taps (A7) connect the second shunting switch B group the 6th terminals; B phase high pressure basic winding one-level shunting tap (B2) connects the second shunting switch B group first terminals, and secondary shunting tap (B4) connects the second shunting switch B group the 3rd terminals, and three grades of shunting taps (B6) connect the second shunting switch B group the 5th terminals; B phase high pressure Phase shift winding one-level shunting tap (B3) connects the second shunting switch C group second terminals, and secondary shunting tap (B5) connects the second shunting switch C group the 4th terminals, and three grades of shunting taps (B7) connect the second shunting switch C group the 6th terminals; C phase high pressure basic winding one-level shunting tap (C2) connects the second shunting switch C group first terminals, and secondary shunting tap (C4) connects the second shunting switch C group the 3rd terminals, and three grades of shunting taps (C6) connect the second shunting switch C group the 5th terminals; C phase high pressure Phase shift winding one-level shunting tap (C3) connects the second shunting switch A group second terminals, secondary shunting tap (C5) connects the second shunting switch A group the 4th terminals, and three grades of shunting taps (C7) connect the second shunting switch A group the 6th terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259414.6U CN204927002U (en) | 2015-04-27 | 2015-04-27 | Move phase winding pressure regulating rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259414.6U CN204927002U (en) | 2015-04-27 | 2015-04-27 | Move phase winding pressure regulating rectifier transformer |
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| Publication Number | Publication Date |
|---|---|
| CN204927002U true CN204927002U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520259414.6U Withdrawn - After Issue CN204927002U (en) | 2015-04-27 | 2015-04-27 | Move phase winding pressure regulating rectifier transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882259A (en) * | 2015-04-27 | 2015-09-02 | 江山市电炉变压器有限公司 | Phase-shifting winding type voltage-regulating rectifier transformer and voltage regulating method thereof |
-
2015
- 2015-04-27 CN CN201520259414.6U patent/CN204927002U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882259A (en) * | 2015-04-27 | 2015-09-02 | 江山市电炉变压器有限公司 | Phase-shifting winding type voltage-regulating rectifier transformer and voltage regulating method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20170926 |