CN203288408U - Three-phase iron core electric reactor with wires coming out from two faces - Google Patents
Three-phase iron core electric reactor with wires coming out from two faces Download PDFInfo
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- CN203288408U CN203288408U CN2013203670326U CN201320367032U CN203288408U CN 203288408 U CN203288408 U CN 203288408U CN 2013203670326 U CN2013203670326 U CN 2013203670326U CN 201320367032 U CN201320367032 U CN 201320367032U CN 203288408 U CN203288408 U CN 203288408U
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Abstract
The utility model discloses a three-phase iron core electric reactor with wires coming out from two faces. The three-phase iron core electric reactor comprises an A-phase coil, a B-phase coil and a C-phase coil. The B-phase coil is a middle column, and the A-phase coil and the C-phase coil are side columns. The actual number of geometrical turns of one side column is larger than that of the B-phase coil by one, and the actual number of geometrical turns of the other side column is the same as that of the B-phase coil. The size of a total air gap of the coil with the actual number of geometrical turns larger than that of the B-phase coil by one is larger than the size of a total air gap of the coil with the actual number of geometrical turns the same as that of the B-phase coil, and the size of the total air gap of the coil with the actual number of geometrical turns the same as that of the B-phase coil is larger than the size of a total air gap of the B-phase coil. In order to solve the problem that three phases of inductance values of an existing three-phase iron core electric reactor are unbalanced, a novel design scheme of the coils and iron cores is provided, and through adjustment of the actual numbers of geometrical turns of the three-phase electric reactor and the total air gaps in the three phases of iron core columns, three phases of magnetic circuits are balanced and the three phases of inductance values are balanced. Therefore, normal use of the electric reactor is guaranteed.
Description
Technical field
The utility model relates to reactor, particularly a kind of tri-phase iron core reactor of two-sided outlet.
Background technology
Two-sided outlet: the initiating terminal of winding and end are at same side output terminal not, and namely actual how much numbers of turn of winding there will be the phenomenon of 0.5 circle.
According to customer requirement, some three-phase reactor can require to be designed to two-sided outlet method.In this case, pass the difference of core window quantity due to winding, there will be the geometry number of turn and the actual inconsistent situation of the electric number of turn of winding.Difference according to the coiling direction of winding is divided into again following two kinds of situations:
1, as shown in Figure 2, actual how much numbers of turn of three phase windings are 2.5 circles, yet the actual electric number of turn of A phase winding is 2 circles, and the actual electric number of turn of B phase winding is the vector sum (approximately 2.5 circle left and right) that 2 circles add the 3rd circle, and the actual electric number of turn of C phase winding is 3 circles.
2, as shown in Figure 3, actual how much numbers of turn of three phase windings are 2.5 circles, yet the actual electric number of turn of A phase winding is 3 circles, and the actual electric number of turn of B phase winding is the vector sum (approximately 2.5 circle left and right) that 2 circles add the 3rd circle, and the actual electric number of turn of C phase winding is 2 circles.
So, can cause the imbalance of the magnetic circuit of three-phase reactor, thereby cause the three-phase electricity sensibility reciprocal uneven.The serious normal use that affects reactor.So all the time, all there is this problem in the tri-phase iron core reactor of two-sided outlet.
Therefore be necessary to adopt a kind of new design, solve the unbalanced problem of tri-phase iron core reactor three-phase electricity sensibility reciprocal of two-sided outlet.
The utility model content
Technical problem to be solved in the utility model is: a kind of tri-phase iron core reactor of two-sided outlet is provided, and it can solve the unbalanced problem of tri-phase iron core reactor three-phase electricity sensibility reciprocal of two-sided outlet.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: the tri-phase iron core reactor of described two-sided outlet, comprise A phase winding, B phase winding and C phase winding, described B phase winding is intermediolateral column, described A phase winding and C phase winding are side columns, actual how much many circles of turn ratio B phase winding of one of them side column, actual how much numbers of turn of another side column are identical with the B phase winding; The actual electric number of turn of two side columns is identical; Total size of gaps in each phase winding iron core column is by being followed successively by from big to small: the side column of actual how much many circles of turn ratio B phase winding, actual how much number of turn side column, B phase windings identical with the B phase winding.
The all coilings in the direction of the clock of one: two side column winding of situation; Actual how much many circles of turn ratio B phase winding of described A phase winding, actual how much numbers of turn of described C phase winding are identical with the B phase winding; The actual electric number of turn of two side columns is identical; Total size of gaps in each phase winding iron core column is by being followed successively by from big to small: A phase winding, C phase winding, B phase winding.
Further, all coilings in the direction of the clock of each phase winding; Actual how much numbers of turn of described A phase winding are 3.5 circles, and actual how much numbers of turn of described C phase winding and B phase winding are 2.5 circles; The actual electric number of turn of two side columns is 3 circles; Total size of gaps in each phase winding iron core column is by being followed successively by from big to small: A phase winding, C phase winding, B phase winding.
Two: two side column windings of situation are all by counterclockwise coiling; Actual how much many circles of turn ratio B phase winding of described C phase winding, actual how much numbers of turn of described A phase winding are identical with the B phase winding; The actual electric number of turn of two side columns is identical; Total size of gaps in each phase winding iron core column is by being followed successively by from big to small: C phase winding, A phase winding, B phase winding.
Further, each phase winding is all by counterclockwise coiling; Actual how much numbers of turn of described C phase winding are 3.5 circles, and actual how much numbers of turn of described A phase winding and B phase winding are 2.5 circles; The actual electric number of turn of two side columns is 3 circles; Total size of gaps in each phase winding iron core column is by being followed successively by from big to small: C phase winding, A phase winding, B phase winding.
The utility model adopts new winding and core design scheme, the unbalanced problem of tri-phase iron core reactor three-phase electricity sensibility reciprocal that the geometry number of turn by adjusting three phase windings and the total air gap in the tri-phase iron core post solve two-sided outlet.According to technique scheme, its implementing method is as follows: if actual how much numbers of turn of three-phase reactor winding are: N+0.5(N comprises 0 positive integer), the actual electric number of turn of three-phase reactor winding is respectively: N, N+0.5 (approximately) and N+1, make actual how much numbers of turn of the winding that the actual electric number of turn is N increase by 1 circle, become the N+0.5+1 circle, the actual electric number of turn of this winding also becomes N+1 by N, and actual how much numbers of turn of three phase windings are respectively: N+0.5, N+0.5 and N+0.5+1(N are the positive integer greater than 0).At this moment, because actual how much numbers of turn of three phase windings are inconsistent, make the number of ampere turns (products of electric current and actual how much numbers of turn) of three phase windings also inconsistent, again by adjusting respectively total air gap (the total air gap minimum of intermediolateral column in the tri-phase iron core post, total air gap of the side column that actual how much numbers of turn are N+0.5+1 is maximum, total size of gaps of the side column that actual how much numbers of turn are N+1 is placed in the middle, and concrete numerical value fibrous root border model factually calculates), namely adjust respectively the total magnetic resistance in three phase windings.So, make the three-phase magnetic circuit balance, thereby make three-phase electricity sensibility reciprocal balance.
The three-phase umber of turn of tradition tri-phase iron core reactor is the same, and the total air gap in the tri-phase iron core post too.
Therefore, the utility model is for the tri-phase iron core reactor three-phase electricity sensibility reciprocal imbalance problem of two-sided outlet, a kind of new winding and the design of iron core are proposed, by actual how much numbers of turn of adjustment three-phase reactor winding and the total air gap in the tri-phase iron core post, make the three-phase magnetic circuit balance, make three-phase electricity sensibility reciprocal balance, thereby guaranteed the normal use of reactor.
Description of drawings
Fig. 1 is the tri-phase iron core reactor schematic diagram of two-sided outlet;
Fig. 2 is tri-phase iron core reactor winding (clockwise direction coiling) schematic diagram of the two-sided outlet of prior art;
Fig. 3 is tri-phase iron core reactor winding (counterclockwise coiling) schematic diagram of the two-sided outlet of prior art;
Fig. 4 is tri-phase iron core reactor winding (clockwise direction coiling) schematic diagram of the two-sided outlet of the utility model;
Fig. 5 is tri-phase iron core reactor winding (counterclockwise coiling) schematic diagram of the two-sided outlet of the utility model.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the tri-phase iron core reactor of described two-sided outlet, comprise A phase winding 1, B phase winding 2 and C phase winding 3, and described B phase winding 2 is intermediolateral columns, and described A phase winding 1 and C phase winding 3 are side columns.
Fig. 4 has provided an embodiment for Fig. 2 of the present utility model.As shown in Figure 2, all coilings in the direction of the clock of each phase winding; Actual how much numbers of turn of three phase windings are 2.5 circles, yet the actual electric number of turn of A phase winding 1 is two circles, and the actual electric number of turn of B phase winding 2 is the vector sum (approximately 2.5 circle left and right) that two circles add the 3rd circle, and the actual electric number of turn of C phase winding 3 is three circles.Operating process is as follows: as shown in Figure 4, first actual how much numbers of turn of the A phase winding 1 in above-mentioned Fig. 2 are increased by a circle, become 3.5 circles, the actual electric number of turn of A phase winding 1 is three circles, adjust respectively the more total air gap in A phase winding 1 iron core column, B phase winding 2 iron core column and C phase winding 3 iron core column, make the A phase〉the C phase〉the B phase, make the three-phase magnetic circuit balance, thereby make the three-phase electricity sensibility reciprocal reach balance.
Fig. 5 has provided another embodiment for Fig. 3 of the present utility model.As shown in Figure 3, each phase winding is all by counterclockwise coiling; Actual how much numbers of turn of three phase windings are 2.5 circles, yet the actual electric number of turn of C phase winding 3 is two circles, and the actual electric number of turn of B phase winding 2 is the vector sum (approximately 2.5 circle left and right) that two circles add the 3rd circle, and the actual electric number of turn of A phase winding 1 is three circles.Operating process is as follows: as shown in Figure 5, first actual how much numbers of turn of the C phase winding 3 in above-mentioned Fig. 3 are increased by a circle, become 3.5 circles, the actual electric number of turn of C phase winding 3 is three circles, adjust respectively the more total air gap in A phase winding 1 iron core column, B phase winding 2 iron core column and C phase winding 3 iron core column, make the C phase〉the A phase〉the B phase, make the three-phase magnetic circuit balance, thereby make the three-phase electricity sensibility reciprocal reach balance.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all being included in protection range of the present utility model.
Claims (5)
1. the tri-phase iron core reactor of a two-sided outlet, comprise A phase winding (1), B phase winding (2) and C phase winding (3), described B phase winding (2) is intermediolateral column, described A phase winding (1) and C phase winding (3) are side columns, it is characterized in that: the many circles of actual how much turn ratio B phase windings (2) of one of them side column, actual how much numbers of turn of another side column are identical with B phase winding (2); The actual electric number of turn of two side columns is identical; Total size of gaps in each phase winding iron core column is by being followed successively by from big to small: the side column of the many circles of actual how much turn ratio B phase windings (2), actual how much number of turn side column, B phase windings (2) identical with B phase winding (2).
2. the tri-phase iron core reactor of two-sided outlet as claimed in claim 1, is characterized in that: two all coilings in the direction of the clock of side column winding; The many circles of actual how much turn ratio B phase windings (2) of described A phase winding (1), actual how much numbers of turn of described C phase winding (3) are identical with B phase winding (2).
3. the tri-phase iron core reactor of two-sided outlet as claimed in claim 1, it is characterized in that: each phase winding is coiling in the direction of the clock all; Actual how much numbers of turn of described A phase winding (1) are 3.5 circles, and actual how much numbers of turn of described C phase winding (3) and B phase winding (2) are 2.5 circles; The actual electric number of turn of two side columns is 3 circles.
4. the tri-phase iron core reactor of two-sided outlet as claimed in claim 1 is characterized in that: two side column windings are all by counterclockwise coiling; The many circles of actual how much turn ratio B phase windings (2) of described C phase winding (3), actual how much numbers of turn of described A phase winding (1) are identical with B phase winding (2).
5. the tri-phase iron core reactor of two-sided outlet as claimed in claim 1 is characterized in that: each phase winding is all by counterclockwise coiling; Actual how much numbers of turn of described C phase winding (3) are 3.5 circles, and actual how much numbers of turn of described A phase winding (1) and B phase winding (2) are 2.5 circles; The actual electric number of turn of two side columns is 3 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203670326U CN203288408U (en) | 2013-06-25 | 2013-06-25 | Three-phase iron core electric reactor with wires coming out from two faces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203670326U CN203288408U (en) | 2013-06-25 | 2013-06-25 | Three-phase iron core electric reactor with wires coming out from two faces |
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| Publication Number | Publication Date |
|---|---|
| CN203288408U true CN203288408U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203670326U Expired - Lifetime CN203288408U (en) | 2013-06-25 | 2013-06-25 | Three-phase iron core electric reactor with wires coming out from two faces |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185526A (en) * | 2015-09-14 | 2015-12-23 | 广东新昇电业科技股份有限公司 | Three-phase three-core column half-turn reactor with unequal gaps and fabrication method thereof |
| CN105513760A (en) * | 2015-09-14 | 2016-04-20 | 广东新昇电业科技股份有限公司 | Three phrase unequal-cross section three-core column half-turn electric reactor and manufacturing method for same |
-
2013
- 2013-06-25 CN CN2013203670326U patent/CN203288408U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185526A (en) * | 2015-09-14 | 2015-12-23 | 广东新昇电业科技股份有限公司 | Three-phase three-core column half-turn reactor with unequal gaps and fabrication method thereof |
| CN105513760A (en) * | 2015-09-14 | 2016-04-20 | 广东新昇电业科技股份有限公司 | Three phrase unequal-cross section three-core column half-turn electric reactor and manufacturing method for same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Zhuzhou Lukou Town Tree Hill 412007 in Hunan city of Zhuzhou Province Patentee after: ZHUZHOU CRRC QIHONG COOLING TECHNOLOGY CO.,LTD. Address before: Zhuzhou Lukou Town Tree Hill 412007 in Hunan city of Zhuzhou Province Patentee before: ZHUZHOU CSR QIHONG COOLING TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
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| CX01 | Expiry of patent term |