CN107564712A - Single phase power transformer - Google Patents
Single phase power transformer Download PDFInfo
- Publication number
- CN107564712A CN107564712A CN201610514085.4A CN201610514085A CN107564712A CN 107564712 A CN107564712 A CN 107564712A CN 201610514085 A CN201610514085 A CN 201610514085A CN 107564712 A CN107564712 A CN 107564712A
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- Prior art keywords
- power transformer
- principal post
- single phase
- iron core
- phase power
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Abstract
The present invention relates to a kind of single phase power transformer, and it enables to the structure of power transformer compacter, and overcomes the adverse effect of half turn effect.This single phase power transformer includes：One iron core, at least one Working winding and two compensative windings.The iron core includes at least one principal post and two other posts positioned at the principal post both sides.The Working winding is corresponding with the principal post, and is wrapped on the corresponding principal post.The compensative winding is respectively wound around on two other posts.Wherein, the head end of the Working winding and tail end are located at the both sides of the iron core, and the head end and tail end difference short circuit of two compensative windings respectively.
Description
Technical field
The present invention relates to power transformer, more particularly to single phase power transformer.
Background technology
The head end of same Working winding and tail end can be because in the different windows of iron core in not same side output terminal in auto-transformer
Ampere-turn it is uneven and produce extra magnetomotive force, i.e., so-called " half turn effect ".Under rated current, unbalanced magnetic
Kinetic potential can cause saturation, loss, the noise exception of iron core, and then have a strong impact on the performance parameter of transformer.
The content of the invention
It is an object of the invention to provide a kind of single phase power transformer, and it enables to the structure of power transformer compacter,
And overcome the adverse effect of half turn effect.This single phase power transformer includes：One iron core, at least one Working winding with
And two compensative windings.The iron core includes at least one principal post and two other posts positioned at the principal post both sides.The work
Winding is corresponding with the principal post, and is wrapped on the corresponding principal post.The compensative winding is respectively wound around two sides
On post.Wherein, the head end of the Working winding and tail end are located at the both sides of the iron core, and two compensative windings respectively
Head end and tail end difference short circuit.
According to the one side of the single phase power transformer of the present invention, the cross-sectional area of two other posts is the principal post
The half of cross-sectional area.
According to the another aspect of the single phase power transformer of the present invention, the iron core has two principal posts or three principal posts.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 illustrates a kind of loop construction schematic diagram of embodiment of the single phase power transformer according to the present invention；
Fig. 2 illustrates the loop construction schematic diagram of another embodiment of the single phase power transformer according to the present invention；
Fig. 3 illustrates the loop construction schematic diagram of a further embodiment of the single phase power transformer according to the present invention.
Label declaration
Embodiment
In order to which the technical characteristic of invention, purpose and effect are more clearly understood, now control illustrates the tool of the present invention
Body embodiment, in the various figures identical label represent identical part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, part related to the present invention is only schematically show in each figure, they do not represent its work
For the practical structures of product.In addition, so that simplified form readily appreciates, there is the portion of identical structure or function in some figures
Part, one of those is only symbolically depicted, or only marked one of those.
Herein, "one" not only represents " only this ", can also represent the situation of " more than one ".
Fig. 1 illustrates a kind of loop construction schematic diagram of embodiment of the single phase power transformer according to the present invention.Single-phase electricity
Power transformer includes 10, Working windings 22 of an iron core and two compensative windings 21,23.Iron core 10 includes one
Individual principal post 12 and two other posts 11,13 positioned at the both sides of principal post 12.Working winding 22 is corresponding with principal post 12, and is wrapped in
On corresponding principal post 12.Two compensative windings 21,23 are respectively wound around on two other posts 11,13.Wherein, Working winding
22 head end and tail end is located at the both sides of iron core 10, and the head end and tail end difference short circuit of two compensative windings 21,23 respectively.
Compensative winding 21 is identical with the direction of 23 coilings and equal turn numbers.Although iron core 10 in the embodiment shown in Fig. 1
With a principal post 12, but iron core can also have more than one principal post, and corresponding with these principal posts respectively one
Working winding (i.e. Working winding is identical with the quantity of principal post) above, such as shown in Fig. 2 and Fig. 3 embodiment.This
The power transformer of invention by by the head end of Working winding and tail end both sides outlet power transformer structure more
It is compact, and by setting the compensative winding of short circuit to produce the induced electromotive force compensated to hinder uneven electromotive force on other post
Variation tendency, and then overcome the adverse effect of half turn effect.
Fig. 2 illustrates the loop construction schematic diagram of another embodiment of the single phase power transformer according to the present invention.Iron core 30
Two other posts 31,34 including two principal posts 32,33 and positioned at two principal posts 32,33 both sides.Two Working windings 42,
43 is corresponding with principal post 32,33, and is wrapped on corresponding principal post 32,33.Two compensative windings 41,44 are wound respectively
On two other posts 31,34.Wherein, the head end of Working winding 42,43 and tail end are located at the both sides of iron core 30 respectively,
And the head end and tail end difference short circuit of two compensative windings 41,44.Compensative winding 41 is identical with the direction of 44 coilings and circle
Number is equal.
Fig. 3 illustrates the loop construction schematic diagram of a further embodiment of the single phase power transformer according to the present invention.Iron core 50
Two other posts 51,55 including three principal posts 52,53,54 and positioned at three both sides of principal post 52,53,54.Three work
Winding 62,63,64 is corresponding with three principal posts 52,53,54, and is wrapped on corresponding principal post 52,53,54.Two
Individual compensative winding 61,65 is respectively wound around on two other posts 51,55.Wherein, the head end of Working winding 62,63,64
It is located at the both sides of iron core 50, and the head end and tail end difference short circuit of two compensative windings 61,65 respectively with tail end.Compensation around
61 and equal turn numbers identical with the direction of 65 coilings of group.
In the above-mentioned and unshowned embodiment of the single phase power transformer of the present invention, two other posts 11,13,31,
34th, 51,55 cross-sectional area is the half of the cross-sectional area of principal post 12,32,33,52,53,54, but also has
Can be other ratios for meeting technical requirements.The cross-sectional area of other post for principal post cross-sectional area half design more
Adduction is managed, and can be saved material to greatest extent, be reduced cost.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to describe illustrating only for feasibility embodiment of the invention in detail, it
And be not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change,
Such as the combination, segmentation or repetition of feature, should be included in the scope of the protection.
Claims (3)
1. single phase power transformer, it is characterised in that including：
One iron core (10,30,50), it includes at least one principal post (12,32,33,52,53,54) and positioned at the principal post
The other post (11,13,31,34,51,55) of two of (12,32,33,52,53,54) both sides；
At least one Working winding (22,42,43,62,63,64), itself and the principal post (12,32,33,52,53,54)
It is corresponding, and be wrapped on the corresponding principal post (12,32,33,52,53,54)；And
Two compensative windings (21,23,41,44,61,65), its be respectively wound around two other posts (11,13,31,34,
51st, on 55)；
Wherein, the head end of the Working winding (22,42,43,62,63,64) and tail end respectively positioned at the iron core (10,30,
50) both sides, and the head end and tail end difference short circuit of two compensative windings (21,23,41,44,61,65).
2. single phase power transformer as claimed in claim 1, it is characterised in that two other posts (11,13,31,34,51,
55) cross-sectional area is the half of the cross-sectional area of the principal post (12,32,33,52,53,54).
3. single phase power transformer as claimed in claim 1, it is characterised in that the iron core (30,50) have two principal posts (32,
Or three principal posts (52,53,54) 33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514085.4A CN107564712A (en) | 2016-06-30 | 2016-06-30 | Single phase power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514085.4A CN107564712A (en) | 2016-06-30 | 2016-06-30 | Single phase power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107564712A true CN107564712A (en) | 2018-01-09 |
Family
ID=60970031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514085.4A Pending CN107564712A (en) | 2016-06-30 | 2016-06-30 | Single phase power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107564712A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB401010A (en) * | 1932-05-09 | 1933-11-09 | British Thomson Houston Co Ltd | Improvements relating to the compensation of three-phase potential transformers |
| US3768055A (en) * | 1972-06-23 | 1973-10-23 | Hewlett Packard Co | Transformer providing half-turn secondary windings |
| CN101783230A (en) * | 2010-01-31 | 2010-07-21 | 湖南大学 | Linear iron core-closed power reactor |
| CN103337342A (en) * | 2013-06-20 | 2013-10-02 | 山东电力设备有限公司 | Degaussing coil structure used in three-column shunt transformer |
| CN104851574A (en) * | 2015-05-15 | 2015-08-19 | 广州金升阳科技有限公司 | Magnetic element and switch power supply based on magnetic element |
| CN205920865U (en) * | 2016-06-30 | 2017-02-01 | 广州西门子变压器有限公司 | Single phase power transformer of doing all can |
-
2016
- 2016-06-30 CN CN201610514085.4A patent/CN107564712A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB401010A (en) * | 1932-05-09 | 1933-11-09 | British Thomson Houston Co Ltd | Improvements relating to the compensation of three-phase potential transformers |
| US3768055A (en) * | 1972-06-23 | 1973-10-23 | Hewlett Packard Co | Transformer providing half-turn secondary windings |
| CN101783230A (en) * | 2010-01-31 | 2010-07-21 | 湖南大学 | Linear iron core-closed power reactor |
| CN103337342A (en) * | 2013-06-20 | 2013-10-02 | 山东电力设备有限公司 | Degaussing coil structure used in three-column shunt transformer |
| CN104851574A (en) * | 2015-05-15 | 2015-08-19 | 广州金升阳科技有限公司 | Magnetic element and switch power supply based on magnetic element |
| CN205920865U (en) * | 2016-06-30 | 2017-02-01 | 广州西门子变压器有限公司 | Single phase power transformer of doing all can |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |