CN205911127U - Three -phase on -load tap -changer reactor - Google Patents
Three -phase on -load tap -changer reactor Download PDFInfo
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- CN205911127U CN205911127U CN201620699260.7U CN201620699260U CN205911127U CN 205911127 U CN205911127 U CN 205911127U CN 201620699260 U CN201620699260 U CN 201620699260U CN 205911127 U CN205911127 U CN 205911127U
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- enzyme
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Abstract
The utility model discloses a three -phase on -load tap -changer reactor, including the iron core and set up the phase 1 enzyme winding on the iron core respectively, phase 2 enzyme winding and three -phase winding, the phase 1 enzyme winding, phase 2 enzyme winding and the coaxial range of the equal axial of three -phase winding, the phase 1 enzyme winding, phase 2 enzyme winding and three -phase winding are all including first coil and second coil, opposite and the intercoordination of polarity of first coil and second coil, is advantaged by simple whole structure, and reasonable design, the problem of adopt operation loss when non - bridging state of reactor formula on -load tap -changer's powerstat too big is solved, it does not receive present on -load tap -changer rated current can not be greater than 1200A's technique restriction, reactor formula on -load tap -changer rated current can reach 2500A, and energy saving and high efficiency are achieved, and is high in safety, and strong in overload capability, still can reduce large -scale transformer main body height, satisfy the requirement of railway transportation.
Description
Technical field
The utility model is related to electrical equipment technical field, especially relates to three-phase load ratio bridging switch reactor.
Background technology
At present, the widely used high-pressure side of power transformer product directly carries load tapchanging mode, this kind of voltage regulating mode
Switch is a kind of resistance-type load ratio bridging switch.This resistance-type shunting switch needs to be equipped with a special resistor, to limit
Resistance-type shunting switch processed is bridging the circulation producing during position；Require switch in unbridged state, switching reator simultaneously
Remaining induction reactance be approximately zero.At present at home, the development of switching reator is also in the elementary step.On market abroad,
The coil of similar reactor generally adopts the structure of inside and outside two mounting coils, and the switching reator of this structure is although fabricate
Simply, but when switch is in unbridged state, can there is a problem of that remaining induction reactance is excessive, and existing anti-device formula has load
The operating in of the adjustable transformer of shunting switch is lost excessive during unbridged state, load ratio bridging switch rated current can not be more than
1200a, overload capacity is poor, and range is smaller.
Utility model content
Problem to be solved in the utility model there is provided that a kind of structure is simple, reasonable in design, efficient energy-saving, security
High, overload capacity three-phase load ratio bridging switch reactor that is strong and being applied to large-scale on-load voltage regulation rectifier transformer.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: three-phase load ratio bridging switch reactor,
Including cored and be separately positioned on the first phase winding on described iron core, the second phase winding and third phase winding, described
The all axial arranged in co-axial alignment of one phase winding, the second phase winding and third phase winding, described first phase winding, the second phase winding and the 3rd
Phase winding all includes first coil and the second coil, the opposite polarity of described first coil and described second coil and phase mutual coupling
Close, the terminal of described first coil and described second coil all in the same side, described first coil and described second coil
Axial height and width are all equal to mean radius.
Preferably, above-mentioned three-phase load ratio bridging switch reactor, wherein said first phase winding, the second phase winding and
The upper and lower ends of three-phase windings are provided with overhang insulation layer.
Preferably, above-mentioned three-phase load ratio bridging switch reactor, wherein said first phase winding, the second phase winding and
The middle part of three-phase windings is provided with middle part insulating barrier.
Preferably, above-mentioned three-phase load ratio bridging switch reactor, wherein said first coil and described second coil it
Between be provided with coil covering.
Preferably, above-mentioned three-phase load ratio bridging switch reactor, wherein said first coil, the second coil are all wrapped in
On insulating cylinder.
Preferably, above-mentioned three-phase load ratio bridging switch reactor, the two ends of wherein said first coil are respectively arranged with
First leading-out end and the 3rd leading-out end, the two ends of described second coil are respectively arranged with the second leading-out end and the 4th leading-out end.
The utility model has the advantage that with beneficial effect is: includes cored and is separately positioned on iron core first
Phase winding, the second phase winding and third phase winding, the first phase winding, the second phase winding and third phase winding are all axially coaxial to be arranged
Row, the opposite polarity of the first phase winding and the second phase winding and intercoupling, the polarity phase of the second phase winding and third phase winding
Anti- and intercouple, the first phase winding, the second phase winding and third phase winding all include first coil and the second coil, and first
Coil and the second coil lift one's head all in the same side, the axial height of first coil and the second coil and width are homogeneous to mean radius
Simple Deng, overall structure, reasonable in design, solve operating in of the adjustable transformer using reactor formula load ratio bridging switch non-
Excessive problem is lost, it is not subject to the technology that present load ratio bridging switch rated current can not be more than 1200a during bridge status
Limit, up to 2500a, efficient energy-saving, safe, overload capacity are strong, also may be used for reactor formula load ratio bridging switch rated current
Reduce high-power transformer body height, meet the requirement of railway transportation.
Brief description
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the electrical block diagram of first coil and the second coil in the utility model.
In figure: 1, iron core 2, the first phase winding 3, the second phase winding
4th, third phase winding 5, overhang insulation layer 6, coil covering
7th, first coil 8, middle part insulating barrier 9, the second coil
10th, insulating cylinder 11, the first leading-out end 12, the second leading-out end
13rd, the 3rd leading-out end 14, the 4th leading-out end
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the utility model is elaborated.
As depicted in figs. 1 and 2, three-phase load ratio bridging switch reactor, including cored 1 and be separately positioned on iron core 1
On the first phase winding 2, the second phase winding 3 and third phase winding 4, the first phase winding 2, the second phase winding 3 and third phase winding 4
All axial arranged in co-axial alignment, the first phase winding 2, the second phase winding 3 and third phase winding 4 all include first coil 7 and the second line
Circle 9, the opposite polarity of first coil 7 and the second coil 9 and intercoupling, the mutual inductance m between so adjacent two-way winding is close
Or it is equal to 1, the upper and lower ends of each phase winding are provided with overhang insulation layer 5, and the middle part of each phase winding is provided with middle part absolutely
Edge layer 8, first coil 7 and the second coil 9 lift one's head all in the same side, the axial height of first coil 7 and the second coil 9 and width
All equal to mean radius, it is provided with coil covering 6, first coil 7 and the second line between first coil 7 and the second coil 9
Circle 9 is all wrapped on insulating cylinder 10, and insulating cylinder 10 is fixed on iron core 1 again, and the two ends of first coil 7 are respectively arranged with first and draw
Lift one's head 11 and the 3rd leading-out end 13, the two ends of the second coil 9 are respectively arranged with the second leading-out end 12 and the 4th leading-out end 14.Overall
Structure is simple, and reasonable in design, solve the adjustable transformer using reactor formula load ratio bridging switch operates in unbridged shape
Excessive problem is lost, it is not subject to the technology restriction that present load ratio bridging switch rated current can not be more than 1200a, electricity during state
Up to 2500a, efficient energy-saving, safe, overload capacity are strong, also can reduce large-scale for anti-device formula load ratio bridging switch rated current
Transformer body height, meets the requirement of railway transportation.
Above an embodiment of the present utility model is described in detail, but described content is only of the present utility model
Preferred embodiment is it is impossible to be considered for limiting practical range of the present utility model.All made according to the utility model application range
Impartial change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (6)
1. three-phase load ratio bridging switch reactor it is characterised in that: include cored (1) and be separately positioned on described iron core
(1) the first phase winding (2) on, the second phase winding (3) and third phase winding (4), described first phase winding (2), second around
The all axial arranged in co-axial alignment of group (3) and third phase winding (4), described first phase winding (2), the second phase winding (3) and third phase around
Group (4) all includes first coil (7) and the second coil (9), the polarity of described first coil (7) and described second coil (9)
Contrary and intercouple, the terminal of described first coil (7) and described second coil (9) all in the same side, described First Line
Enclose (7) and the axial height of described second coil (9) and width is all equal to mean radius.
2. three-phase load ratio bridging switch reactor according to claim 1 it is characterised in that: described first phase winding (2),
The upper and lower ends of the second phase winding (3) and third phase winding (4) are provided with overhang insulation layer (5).
3. three-phase load ratio bridging switch reactor according to claim 1 it is characterised in that: described first phase winding (2),
The middle part of the second phase winding (3) and third phase winding (4) is provided with middle part insulating barrier (8).
4. three-phase load ratio bridging switch reactor according to claim 1 it is characterised in that: described first coil (7) and
It is provided with coil covering (6) between described second coil (9).
5. three-phase load ratio bridging switch reactor according to claim 1 it is characterised in that: described first coil (7),
Two coil (9) is all wrapped on insulating cylinder (10).
6. three-phase load ratio bridging switch reactor according to claim 1 it is characterised in that: described first coil (7)
Two ends are respectively arranged with the first leading-out end (11) and the 3rd leading-out end (13), and the two ends of described second coil (9) are respectively arranged with
Second leading-out end (12) and the 4th leading-out end (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699260.7U CN205911127U (en) | 2016-07-05 | 2016-07-05 | Three -phase on -load tap -changer reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699260.7U CN205911127U (en) | 2016-07-05 | 2016-07-05 | Three -phase on -load tap -changer reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911127U true CN205911127U (en) | 2017-01-25 |
Family
ID=57805148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620699260.7U Expired - Fee Related CN205911127U (en) | 2016-07-05 | 2016-07-05 | Three -phase on -load tap -changer reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951576A (en) * | 2021-03-22 | 2021-06-11 | 保定天威保变电气股份有限公司 | Wiring method of switch connection type tapping winding for adjustable reactor |
-
2016
- 2016-07-05 CN CN201620699260.7U patent/CN205911127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951576A (en) * | 2021-03-22 | 2021-06-11 | 保定天威保变电气股份有限公司 | Wiring method of switch connection type tapping winding for adjustable reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20210705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |