CN201562545U - Winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies - Google Patents
Winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies Download PDFInfo
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- CN201562545U CN201562545U CN200920314061XU CN200920314061U CN201562545U CN 201562545 U CN201562545 U CN 201562545U CN 200920314061X U CN200920314061X U CN 200920314061XU CN 200920314061 U CN200920314061 U CN 200920314061U CN 201562545 U CN201562545 U CN 201562545U
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Abstract
The utility model relates to a winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies, which belongs to the technical field of transformer manufacturing. The technical scheme is that the transformer comprises a series connected winding (HV), a public winding (LV2), a switching winding (LV1), and a public winding (LV1) is provided between the series connected winding (HV) and the public winding (LV2), and a series connection winding or a series connected public winding are control by the unloaded switch. The utility model provides a winding wiring structure of the self-coupled transformer which is non-executive voltage regulative in high voltage, can be switched on the electric grid with two types of voltage stages, and can further performing loaded voltage regulation under different voltages in the low voltage. The transformer adopting the structure can be applied on the electric grid with three different voltage stages, but is only responsible for surge input and output between two types of low voltage electric grids for the high voltage electric grid. The utility model adopts a design of novel double device bodies, effectively solves the problem of voltage bias caused by the sharing of one voltage regulation winding set by different voltage stages in low voltage.
Description
Affiliated technical field:
The utility model relates to a kind of winding connection structure of double-active-part on-load-tap-changing auto-transformer, belongs to technical field of transformer manufacturing.
Background technology:
The autotransformer high pressure is a non-excitation pressure adjustment, low pressure can be switched on the electrical network of two kinds of electric pressures, and low pressure can also be carried out on-load voltage regulation respectively under different voltage, and at present the problem that exists is: low pressure under different voltage during a shared cover pressure regulation winding voltage deviation excessive.
It is non-excitation pressure adjustment that the utility model provides a kind of high pressure, and low pressure can be switched on the electrical network of two kinds of electric pressures, and low pressure can also be carried out the winding connection structure of load tapchanging autotransformer respectively under different voltage.Adopt the transformer of this kind structure to can be used between the electrical network of three kinds of different electric pressures, but the high-voltage fence of only being responsible for wherein come and go respectively to the trend between two kinds of low voltage electric networks.
The technical barrier that the utility model solved is: adopted a kind of brand-new two machine body structures designs, solved low pressure excessive problem of shared one voltage deviation when overlapping the pressure regulation winding under different voltage effectively.
For realizing that low pressure can connect the electrical network of two kinds of electric pressures,
The utility model content:
The utility model purpose provides a kind of winding connection structure of double-active-part on-load-tap-changing auto-transformer, adopts two machine body structure designs, solves the problems referred to above that exist in the background technology.
The technical solution of the utility model is:
A kind of winding connection structure of double-active-part on-load-tap-changing auto-transformer comprises series connection winding, common winding, switching winding, for realizing that low pressure can connect the electrical network of two kinds of electric pressures, between series connection winding and common winding, be provided with one and switch winding, controlling it with no load switch seals in the series connection winding or seals in common winding, promptly the number of turn by this control common winding can change significantly, changes significantly under the electrical network of two kinds of electric pressures to realize low pressure.
For make low pressure winding under two kinds of electric pressures can be shared a cover pressure regulation winding and a loaded switch, and guarantee that each tapping voltage error is as best one can little, adopt brand-new two device bodies, become the flux compensation pressure adjusting structure: be provided with two three-phase three-limb transformer bodies in the oil tank of transformer, one of them device is as permanent magnetic flux device body, and another is for becoming magnetic flux device body; Permanent magnetic flux device body puts in order to balance winding, common winding, pressure regulation winding, switches winding, series connection winding from core limb winding from inside to outside; It is compensation winding, field winding that change magnetic flux device body puts in order from core limb winding from inside to outside; Between these two device bodies be electrically connected for: the series connection winding connect with common winding and be the self coupling structure, selects the switching winding to seal in by no load switch and connects winding or seal in common winding, switch between the electrical network of different electric pressures with realization low pressure.
When low voltage voltage is low voltage, will compensate windings in series in pressure regulation winding end with no load switch control, field winding is connected in parallel on pressure regulation winding and the compensation winding.Like this, field winding is just given the compensation winding excitation be connected on pressure regulation winding end, make low pressure under low voltage during on-load voltage regulation voltage deviation as much as possible little.When low voltage voltage is high voltage, will compensate winding and field winding excises from circuit with no load switch control, make the pressure regulation winding directly string at the common winding end, with the on-load voltage regulation of realization low pressure.In addition, also be provided with the balance winding that a ground connects on one's body, so that circulation triple-frequency harmonics and zero sequence magnetic flux at permanent magnetic flux device.
The beneficial effects of the utility model: it is non-excitation pressure adjustment that the utility model provides a kind of high pressure, low pressure can be switched on the electrical network of two kinds of electric pressures, and low pressure can also be carried out the winding connection structure of load tapchanging autotransformer respectively under different voltage.Adopt the transformer of this structure to can be used between the electrical network of three kinds of different electric pressures, but the high-voltage fence of only being responsible for wherein come and go respectively to the trend between two kinds of low voltage electric networks.The utility model has adopted a kind of brand-new two machine body structures designs, and shared one overlaps the excessive problem of voltage deviation that the pressure regulation winding causes when having solved the electrical network of the different electric pressures of low crimping effectively.
Description of drawings:
Accompanying drawing 1 is the utility model winding connection schematic diagram.
Accompanying drawing 2 is balance winding connection figure.
Among the figure: series connection winding HV, common winding LV2, switching winding L V1, pressure regulation winding TV, field winding EV, compensation winding L V3, balance winding PV.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
In an embodiment, a kind of winding connection structure of double-active-part on-load-tap-changing auto-transformer comprises series connection winding HV, common winding LV2, switches winding L V1, for realizing that low pressure can connect the electrical network of two kinds of electric pressures, between series connection winding HV and common winding LV2, be provided with one and switch winding L V1, controlling it with no load switch seals in the series connection winding or seals in common winding, promptly the number of turn by this control common winding can change significantly, changes significantly under the electrical network of two kinds of electric pressures to realize low pressure.
For make low pressure winding under two kinds of electric pressures can be shared a cover pressure regulation winding and a loaded switch, and guarantee that each tapping voltage error is as best one can little, adopt brand-new two device bodies, become the flux compensation pressure adjusting structure: be provided with two three-phase three-limb transformer bodies in the oil tank of transformer, one of them device is as permanent magnetic flux device body, and another is for becoming magnetic flux device body; Permanent magnetic flux device body puts in order to balance winding PV, common winding LV2, pressure regulation winding TV, switches winding L V1, series connection winding HV from core limb winding from inside to outside; It is compensation winding L V3, field winding EV that change magnetic flux device body puts in order from core limb winding from inside to outside; Between these two device bodies be electrically connected for: series connection winding HV connects with common winding LV2 and is the self coupling structure, select to switch winding L V1 by no load switch and seal in the series connection winding or seal in common winding, between the electrical network of different electric pressures, switch to realize low pressure.
When low voltage voltage is low voltage, will compensate winding L V3 with no load switch control and be series at pressure regulation winding TV end, field winding EV is connected in parallel on pressure regulation winding TV and the compensation winding L V3.Like this, field winding is just given the compensation winding excitation be connected on pressure regulation winding end, make low pressure under low voltage during on-load voltage regulation voltage deviation as much as possible little.When low voltage voltage is high voltage, will compensate winding L V3 and field winding EV excises from circuit with no load switch control, make the pressure regulation winding directly string at the common winding end, with the on-load voltage regulation of realization low pressure.In addition, also be provided with the balance winding PV that a ground connects on one's body, so that circulation triple-frequency harmonics and zero sequence magnetic flux at permanent magnetic flux device.
Claims (3)
1. the winding connection structure of a double-active-part on-load-tap-changing auto-transformer, it is characterized in that comprising series connection winding (HV), common winding (LV2), switch winding (LV1), be provided with one and switch winding (LV1) between series connection winding (HV) and common winding (LV2), no load switch is controlled it and is sealed in the series connection winding or seal in common winding.
2. according to the winding connection structure of the described double-active-part on-load-tap-changing auto-transformer of claim 1, it is characterized in that adopting two device bodies, become the flux compensation pressure adjusting structure: be provided with two three-phase three-limb transformer bodies in the oil tank of transformer, one of them device is as permanent magnetic flux device body, and another is for becoming magnetic flux device body; Permanent magnetic flux device body puts in order to balance winding (PV), common winding (LV2), pressure regulation winding (TV), switches winding (LV1), series connection winding (HV) from core limb winding from inside to outside; It is compensation winding (LV3), field winding (EV) that change magnetic flux device body puts in order from core limb winding from inside to outside.
3. according to the winding connection structure of the described double-active-part on-load-tap-changing auto-transformer of claim 1, it is characterized in that also being provided with the balance winding (PV) that a ground connects on one's body at permanent magnetic flux device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920314061XU CN201562545U (en) | 2009-11-05 | 2009-11-05 | Winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920314061XU CN201562545U (en) | 2009-11-05 | 2009-11-05 | Winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562545U true CN201562545U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920314061XU Expired - Fee Related CN201562545U (en) | 2009-11-05 | 2009-11-05 | Winding wiring structure for self-coupled loaded voltage regulating transformer with double bodies |
Country Status (1)
| Country | Link |
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| CN (1) | CN201562545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN105655110A (en) * | 2014-11-20 | 2016-06-08 | 特变电工沈阳变压器集团有限公司 | Autotransformer with single fuel tank and dual-body |
| CN105827118A (en) * | 2016-04-17 | 2016-08-03 | 合肥博雷电气有限公司 | Switching power supply high frequency transformer |
-
2009
- 2009-11-05 CN CN200920314061XU patent/CN201562545U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN102682979B (en) * | 2012-05-13 | 2014-12-03 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN105655110A (en) * | 2014-11-20 | 2016-06-08 | 特变电工沈阳变压器集团有限公司 | Autotransformer with single fuel tank and dual-body |
| CN105655110B (en) * | 2014-11-20 | 2017-12-19 | 特变电工沈阳变压器集团有限公司 | A kind of single oil box double body auto-transformer |
| CN105827118A (en) * | 2016-04-17 | 2016-08-03 | 合肥博雷电气有限公司 | Switching power supply high frequency transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121105 |