CN103050254A - Single-phase low-voltage double-split transformer with functions of dual high voltage and off-circuit voltage regulation - Google Patents
Single-phase low-voltage double-split transformer with functions of dual high voltage and off-circuit voltage regulation Download PDFInfo
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- CN103050254A CN103050254A CN2012105652093A CN201210565209A CN103050254A CN 103050254 A CN103050254 A CN 103050254A CN 2012105652093 A CN2012105652093 A CN 2012105652093A CN 201210565209 A CN201210565209 A CN 201210565209A CN 103050254 A CN103050254 A CN 103050254A
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Abstract
The invention relates to a single-phase low-voltage double-split transformer with functions of dual high voltage and off-circuit voltage regulation and belongs to the technical field of transformers. According to the technical scheme, the transformer comprises a rectangular core (1), a low-voltage winding LV1 (4), a low-voltage winding LV2 (7), a high-voltage winding HV1-1 (2), a high-voltage winding HV1-2 (3), a high-voltage winding HV2-1 (5) and a high-voltage winding HV2-2 (6). The transformer switches on a power grid of two voltage levels with more than doubled voltage difference, is available for non-excitation voltage regulation, and simultaneously splits into two windings at low voltage, namely the low-voltage LV1 and the low-voltage LV2. The rectangular core is provided with two core poles only with no side pole. The low-voltage winding LV1 and the low-voltage winding LV2 are disposed on the two core poles respectively, so that the transformer is simple in insulation structure and has fine short-circuit resistance during half-crossing operation. The problems that a traditional high-voltage transformer with the function of low-voltage radial double splitting is complex in insulation structure and the traditional low-voltage axial double-split transformer is poor in short-circuit resistance are solved.
Description
Technical field
The present invention relates to a kind of single-phase, two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of high pressure, belong to the transformer technology field.
Background technology
At present, the background technology width of cloth is to the division high voltage transformer, and insulation system is complicated, and axial split transformer short-circuit axial force is excessive; How can only switch at two kinds of electric pressure electrical networks with a cover winding by high pressure, complicated and low-pressure shaft is this area developing direction to the poor problem of two transformer with split winding anti-short circuit capabilities to two division high voltage transformer insulation systems effectively to solve simultaneously low pressure amplitude.
Summary of the invention
The purpose of this invention is to provide a kind of single-phase, two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of high pressure, high pressure is only with a cover winding, two kinds of electric pressure electrical networks one times of voltage phase difference switch, effectively solve simultaneously low pressure amplitude to two division high voltage transformer insulation systems complicated and low-pressure shaft to the poor problem of two transformer with split winding anti-short circuit capabilities.
Technical scheme of the present invention is:
A kind of single-phase, two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of high pressure, comprise openning iron-core, low pressure winding L V1, low pressure winding L V2, high pressure winding HV1-1, high pressure winding HV1-2, high pressure winding HV2-1 and high pressure winding HV2-2, electrical network in two kinds of electric pressures of one times of voltage phase difference switches, and can carry out non-excitation pressure adjustment, low pressure is split into two windings, low pressure winding L V1 and low pressure winding L V2 simultaneously; The openning iron-core only arranges two core limbs, core limb one and core limb two, other post is not set, and low pressure winding L V1 and low pressure winding L V2 are arranged on two core limbs, so that transformer insulation structure is simple and have good anti-short circuit capability when partly passing through operation.
High pressure winding HV1-1, high pressure winding HV1-2, high pressure winding HV2-1 and high pressure winding HV2-2, each high pressure winding inside all is provided for the tap winding of non-excitation pressure adjustment; Low pressure winding L V1, high pressure winding HV1-1 and a high pressure winding HV1-2 left side around to, low pressure winding L V2, high pressure winding HV2-1 and the high pressure winding HV2-2 right side around to; Core limb one winding from inside to outside of openning iron-core puts in order and is low pressure winding L V1, high pressure winding HV1-1 and high pressure winding HV1-2, and high pressure winding HV1-1 and high pressure winding HV1-2 upwards are in same position at the width of cloth, in the axial direction lower the arrangement; Core limb two winding from inside to outside of openning iron-core puts in order and is low pressure winding L V2, high pressure winding HV2-1 and high pressure winding HV2-2, and high pressure winding HV2-1 and high pressure winding HV2-2 upwards are in same position at the width of cloth, in the axial direction lower the arrangement.
High pressure winding HV1-1 and high pressure winding HV2-1 compose in parallel high pressure winding HV1, and the tap winding respective terminal of high pressure winding HV1-1 and high pressure winding HV2-1 access in parallel two-phase without one in the field switch mutually; High pressure winding HV1-2 and high pressure winding HV2-2 compose in parallel high pressure winding HV2, and another in the respective terminal of high pressure winding HV1-2 and the high pressure winding HV2-2 tap winding access in parallel two-phase non-excitation pressure adjustment switch mutually.
Arrange one single-phase without the excitation parallel-series switch, with its control high pressure winding HV1 and high pressure winding HV2 connection in series-parallel relation; When realizing high voltage, high pressure winding HV1 and high pressure winding HV2 series connection, when realizing low voltage, high pressure winding HV1 and high pressure winding HV2 are in parallel.
Transformer is provided with a two-phase non-excitation pressure adjustment switch, is used for the non-excitation pressure adjustment of high pressure.
Transformer of the present invention can be used between the electrical network of three kinds of different electric pressures, and two kinds of high-voltage fences come and go to the trend between the two branch road low voltage electric networks respectively but only be responsible for wherein.
Good effect of the present invention is: realized the purpose that high pressure only switches at two kinds of electric pressure electrical networks with a cover winding, effectively solved the conventional low width of cloth simultaneously to two division high voltage transformer insulation systems complexity and the poor problem of conventional low axial direction double bundle transformer anti-short circuit capability.
Description of drawings
Fig. 1 is that transformer device structure of the present invention is arranged vertical view;
Fig. 2 is device body winding Pareto diagram of the present invention;
Fig. 3 is electrical wiring schematic diagram of the present invention;
Among the figure: 1 openning iron-core; 2 high pressure winding HV1-1; 3 high pressure winding HV1-2; 4 low pressure winding L V1; 5 high pressure winding HV2-1; 6 high pressure winding HV2-2; 7 low pressure winding L V2; 8 two-phase non-excitation pressure adjustment switches; 9 is single-phase without the excitation parallel-series switch; Terminal 11,12,13,14.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described by embodiment.
High voltage side of transformer is provided with a two-phase non-excitation pressure adjustment switch 8, is used for the non-excitation pressure adjustment of high pressure.Step down side be provided with one single-phase without excitation parallel-series switch 9, be used for high pressure and between two kinds of voltage, switch.First and last end difference leading-out terminal 11 and terminal 12 after high pressure winding HV1-1 and the high pressure winding HV2-1 parallel connection, first and last end difference leading-out terminal 13 and terminal 14 after high pressure winding HV1-2 and the high pressure winding HV2-2 parallel connection; Make terminal 11 and terminal 14 unsettled when single-phase without the excitation parallel-series switch, when terminal 12 and terminal 13 UNICOM, the high-pressure side can connect high voltage grade electrical network; Make terminal 11 and terminal 13 UNICOMs when single-phase without the excitation parallel-series switch, when terminal 12 and terminal 14 UNICOM, the high-pressure side can connect low voltage grade electrical network.
Claims (6)
1. two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of single-phase, high pressure, it is characterized in that: comprise openning iron-core (1), low pressure winding L V1(4), low pressure winding L V2(7), high pressure winding HV1-1(2), high pressure winding HV1-2(3), high pressure winding HV2-1(5) and high pressure winding HV2-2(6), electrical network in two kinds of electric pressures of one times of voltage phase difference switches, and can carry out non-excitation pressure adjustment, low pressure is split into two windings, low pressure winding L V1 and low pressure winding L V2 simultaneously; The openning iron-core only arranges two core limbs, core limb one and core limb two, other post is not set, and low pressure winding L V1 and low pressure winding L V2 are arranged on two core limbs, so that transformer insulation structure is simple and have good anti-short circuit capability when partly passing through operation.
2. two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of a kind of single-phase, high pressure according to claim 1, it is characterized in that: high pressure winding HV1-1, high pressure winding HV1-2, high pressure winding HV2-1 and high pressure winding HV2-2, each high pressure winding inside all is provided for the tap winding of non-excitation pressure adjustment; Low pressure winding L V1, high pressure winding HV1-1 and a high pressure winding HV1-2 left side around to, low pressure winding L V2, high pressure winding HV2-1 and the high pressure winding HV2-2 right side around to; Core limb one winding from inside to outside of openning iron-core puts in order and is low pressure winding L V1, high pressure winding HV1-1 and high pressure winding HV1-2, and high pressure winding HV1-1 and high pressure winding HV1-2 upwards are in same position at the width of cloth, in the axial direction lower the arrangement; Core limb two winding from inside to outside of openning iron-core puts in order and is low pressure winding L V2, high pressure winding HV2-1 and high pressure winding HV2-2, and high pressure winding HV2-1 and high pressure winding HV2-2 upwards are in same position at the width of cloth, in the axial direction lower the arrangement.
3. two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of a kind of single-phase, high pressure according to claim 1 and 2, it is characterized in that: high pressure winding HV1-1 and high pressure winding HV2-1 compose in parallel high pressure winding HV1, and the tap winding respective terminal of high pressure winding HV1-1 and high pressure winding HV2-1 access in parallel two-phase without one in the field switch mutually; High pressure winding HV1-2 and high pressure winding HV2-2 compose in parallel high pressure winding HV2, and another in the respective terminal of high pressure winding HV1-2 and the high pressure winding HV2-2 tap winding access in parallel two-phase non-excitation pressure adjustment switch mutually.
4. two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of a kind of single-phase, high pressure according to claim 1 and 2, it is characterized in that: arrange one single-phase without excitation parallel-series switch (9), with its control high pressure winding HV1 and high pressure winding HV2 connection in series-parallel relation; When realizing high voltage, high pressure winding HV1 and high pressure winding HV2 series connection, when realizing low voltage, high pressure winding HV1 and high pressure winding HV2 are in parallel.
5. a kind of single-phase, two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of high pressure according to claim 1 and 2 is characterized in that: be provided with a two-phase non-excitation pressure adjustment switch, be used for the non-excitation pressure adjustment of high pressure.
6. two transformer with split windings of the two voltage non-excitation pressure adjustment low pressure of a kind of single-phase, high pressure according to claim 4, it is characterized in that: first and last end difference leading-out terminal (11) and terminal (12) after high pressure winding HV1-1 and the high pressure winding HV2-1 parallel connection, first and last end difference leading-out terminal (13) and terminal (14) after high pressure winding HV1-2 and the high pressure winding HV2-2 parallel connection; Make terminal (11) and terminal (14) unsettled when single-phase without the excitation parallel-series switch, when terminal (12) and terminal (13) UNICOM, the high-pressure side can connect high voltage grade electrical network; Make terminal (11) and terminal (13) UNICOM when single-phase without the excitation parallel-series switch, when terminal (12) and terminal (14) UNICOM, the high-pressure side can connect low voltage grade electrical network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105652093A CN103050254A (en) | 2012-12-24 | 2012-12-24 | Single-phase low-voltage double-split transformer with functions of dual high voltage and off-circuit voltage regulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105652093A CN103050254A (en) | 2012-12-24 | 2012-12-24 | Single-phase low-voltage double-split transformer with functions of dual high voltage and off-circuit voltage regulation |
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| CN2012105652093A Pending CN103050254A (en) | 2012-12-24 | 2012-12-24 | Single-phase low-voltage double-split transformer with functions of dual high voltage and off-circuit voltage regulation |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280305A (en) * | 2013-07-01 | 2013-09-04 | 保定天威集团有限公司 | 132kV-class 36-pulse-wave transmission rectifier transformer |
| CN103515071A (en) * | 2013-09-23 | 2014-01-15 | 保定保菱变压器有限公司 | High-voltage coarse and fine regulation on-load voltage regulation power transformer |
| CN103680876A (en) * | 2013-12-13 | 2014-03-26 | 中国西电电气股份有限公司 | Dual-frequency universal power transformer |
| CN103730241A (en) * | 2013-12-25 | 2014-04-16 | 保定天威保变电气股份有限公司 | Transformer model for direct-current magnetic biasing test |
| CN105719799A (en) * | 2014-07-30 | 2016-06-29 | 特变电工衡阳变压器有限公司 | Split-winding transformer |
| CN107546015A (en) * | 2017-10-10 | 2018-01-05 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of circuit adjustable transformer with vector function |
| CN107564716A (en) * | 2016-06-30 | 2018-01-09 | 广州西门子变压器有限公司 | The adjustable power transformer of voltage |
| CN108010679A (en) * | 2016-10-27 | 2018-05-08 | 江苏瑞凌新能源科技有限公司 | A kind of single-phase core type transformer |
| CN108597823A (en) * | 2018-05-28 | 2018-09-28 | 保定天威保变电气股份有限公司 | A kind of novel axial transformer with split winding |
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| CN201562573U (en) * | 2009-11-05 | 2010-08-25 | 保定天威集团有限公司 | Self-coupling low-voltage dual-voltage on-load voltage-regulating transformer |
| CN202134379U (en) * | 2011-07-11 | 2012-02-01 | 申达电气集团有限公司 | Double-voltage convertible transformer |
| CN102360849A (en) * | 2011-07-12 | 2012-02-22 | 三变科技股份有限公司 | Double-high and low voltage on-load regulating transformer |
| CN102436920A (en) * | 2011-12-05 | 2012-05-02 | 保定天威集团有限公司 | High-capacity three-body split winding type transformer |
| CN202487383U (en) * | 2012-03-01 | 2012-10-10 | 广西柳州特种变压器有限责任公司 | Novel single body transformer with wiring structure |
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| CN201562573U (en) * | 2009-11-05 | 2010-08-25 | 保定天威集团有限公司 | Self-coupling low-voltage dual-voltage on-load voltage-regulating transformer |
| CN202134379U (en) * | 2011-07-11 | 2012-02-01 | 申达电气集团有限公司 | Double-voltage convertible transformer |
| CN102360849A (en) * | 2011-07-12 | 2012-02-22 | 三变科技股份有限公司 | Double-high and low voltage on-load regulating transformer |
| CN102436920A (en) * | 2011-12-05 | 2012-05-02 | 保定天威集团有限公司 | High-capacity three-body split winding type transformer |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280305A (en) * | 2013-07-01 | 2013-09-04 | 保定天威集团有限公司 | 132kV-class 36-pulse-wave transmission rectifier transformer |
| CN103280305B (en) * | 2013-07-01 | 2015-11-25 | 保定天威集团特变电气有限公司 | A kind of 132kV level 36 pulse wave drive rectifier transformer |
| CN103515071A (en) * | 2013-09-23 | 2014-01-15 | 保定保菱变压器有限公司 | High-voltage coarse and fine regulation on-load voltage regulation power transformer |
| CN103515071B (en) * | 2013-09-23 | 2015-09-02 | 保定保菱变压器有限公司 | A kind of high pressure raw fine regulation on-load voltage regulation |
| CN103680876A (en) * | 2013-12-13 | 2014-03-26 | 中国西电电气股份有限公司 | Dual-frequency universal power transformer |
| CN103680876B (en) * | 2013-12-13 | 2016-04-06 | 中国西电电气股份有限公司 | The power transformer that a kind of double frequency is general |
| CN103730241B (en) * | 2013-12-25 | 2016-01-20 | 保定天威保变电气股份有限公司 | A kind of D.C. magnetic biasing testing transformer model |
| CN103730241A (en) * | 2013-12-25 | 2014-04-16 | 保定天威保变电气股份有限公司 | Transformer model for direct-current magnetic biasing test |
| CN105719799A (en) * | 2014-07-30 | 2016-06-29 | 特变电工衡阳变压器有限公司 | Split-winding transformer |
| CN105719799B (en) * | 2014-07-30 | 2019-01-08 | 特变电工衡阳变压器有限公司 | A kind of transformer with split winding |
| CN107564716A (en) * | 2016-06-30 | 2018-01-09 | 广州西门子变压器有限公司 | The adjustable power transformer of voltage |
| CN108010679A (en) * | 2016-10-27 | 2018-05-08 | 江苏瑞凌新能源科技有限公司 | A kind of single-phase core type transformer |
| CN107546015A (en) * | 2017-10-10 | 2018-01-05 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of circuit adjustable transformer with vector function |
| CN107546015B (en) * | 2017-10-10 | 2024-04-05 | 国网辽宁省电力有限公司鞍山供电公司 | Line voltage regulating transformer with vector conversion function |
| CN108597823A (en) * | 2018-05-28 | 2018-09-28 | 保定天威保变电气股份有限公司 | A kind of novel axial transformer with split winding |
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Application publication date: 20130417 |