CN105118618A - Epoxy resin cast water internal cooling phase-shifting transformer - Google Patents
Epoxy resin cast water internal cooling phase-shifting transformer Download PDFInfo
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- CN105118618A CN105118618A CN201510529304.1A CN201510529304A CN105118618A CN 105118618 A CN105118618 A CN 105118618A CN 201510529304 A CN201510529304 A CN 201510529304A CN 105118618 A CN105118618 A CN 105118618A
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Abstract
The invention belongs to the technical field of power transformers, and particularly relates to an epoxy resin cast water internal cooling phase-shifting transformer which comprises three sets of transformer phases (A, B, C). Each set of transformer phases (A, B, C) comprises iron cores, a plurality of mesh side wires (1) and a plurality of valve side phase-shifting coils (2), all the mesh side wires (1) and the valve side phase-shifting coils (2) are sequentially arranged from top to bottom and arranged in a concentric mode. The iron cores are located in the mesh side wires (1) and the valve side phase-shifting coils (2). The epoxy resin cast water internal cooling phase-shifting transformer is characterized in that both the mesh side wires (1) and the valve side phase-shifting coils (2) are formed by winding single hollow wires (11, 12) or a plurality of parallel-connection wires (11, 21) and formed through epoxy resin in a vacuum casting mode, and insulating intervals are formed between the hollow wires (11, 21).
Description
Technical field
The invention belongs to power transformer technical field, relate to a kind of poured with epoxy resin internal water cooling phase shifting transformer more specifically.
Background technology
Source side winding and the valve side winding of poured with epoxy resin phase shifting transformer in the market all adopt solid guiding coiling, natural air cooled or forced air cooling cools, because air radiating efficiency is low, winding current density is low, product cost is high, volume is large, temperature rise, particularly jumbo product adopts air heat radiation more difficult, limits its application at special occasions.
Summary of the invention
The present invention, for overcoming at least one defect (deficiency) described in above-mentioned prior art, provides a kind of poured with epoxy resin internal water cooling phase shifting transformer.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of poured with epoxy resin internal water cooling phase shifting transformer, comprise three groups of transformer phases, each group of transformer comprises iron core mutually, multiple net lateral coil and multiple displaceable valve phase coil, each net lateral coil and displaceable valve phase coil are arranged in order respectively from the top down, described net lateral coil and displaceable valve phase coil are arranged with one heart, iron core is positioned at net lateral coil and displaceable valve phase coil, it is characterized in that, described net lateral coil and displaceable valve phase coil form by single hollow wire or many hollow conductor coilings in parallel and adopt epoxide resin vacuum moulding by casting, insulation gap is provided with between described hollow conductor.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
Poured with epoxy resin internal water cooling transformer phase shifting transformer provided by the invention, in source side winding and displaceable valve phase winding hollow conductor, pass into deionization cooling water in use and deionization cooling water is continued to flow in a steady stream and carry out heat exchange through heat exchanger, taken away by the heat that coil windings produces, iterative cycles like this realizes the quick cooling of transformer coil.
Further, for effectively reducing the flow resistance of cooling water in the winding of valve side, reducing the pressure of supply water of water system, improving product water route system reliability, in water route parallel relationship between each displaceable valve phase coil.
Further, for effectively reducing the flow resistance of cooling water in source side winding, reducing the pressure of supply water of water system, improving product water route system reliability, is that water route is in parallel, circuit connected in series relation between each net lateral coil.
Further, be connected with the outlet in water route for ease of hollow conductor realizing circuit, the top of described hollow conductor and terminal be equipped with water route lift one's head and circuit lift one's head.
Further, as optimal technical scheme, for ease of supplying water to Phase shift winding, also comprise into water collecting pipe and water outlet collecting pipe, the water route being positioned at the hollow conductor top of each displaceable valve phase coil lift one's head (12) be connected with water inlet collecting pipe respectively by flexible insulated hose; Lift one's head and to be connected with water outlet collecting pipe respectively by flexible insulated hose in the water route being positioned at the hollow conductor terminal of each displaceable valve phase coil.
Further, as optimal technical scheme, for ease of supplying water to source side winding, also comprising into water collecting pipe and water outlet collecting pipe, lifts one's head and to be connected with water inlet collecting pipe respectively by flexible insulated hose in the water route being positioned at the hollow conductor top of each net lateral coil; Lift one's head and to be connected with water outlet collecting pipe respectively by flexible insulated hose in the water route being positioned at the hollow conductor terminal of each net lateral coil; The circuit of hollow conductor terminal being positioned at each net lateral coil of top is lifted one's head respectively and the circuit at the hollow conductor top of below net lateral coil that is adjacent is lifted one's head and to be electrically connected by wire.
Further, expose the connection of circuit for ease of displaceable valve phase coil, the circuit of the hollow conductor of displaceable valve phase coil is lifted one's head and is provided with valve lateral circuit outlet terminal.
Further, be connected with external circuit for ease of net lateral coil, the circuit at the hollow conductor top of the net lateral coil of the top is lifted one's head and is lifted one's head with the circuit of the hollow conductor terminal of bottom Phase shift winding and is respectively equipped with circuit on side of overhead contact line outlet terminal.
Further, as optimal technical scheme, for ease of the layout of transformer, lift one's head in the water route of described valve side winding and circuit is lifted one's head and all adopted radial outlet, and lift one's head in the water route of source side winding and circuit is lifted one's head and all adopted axial outlet wire.
Further, as optimal technical scheme, are lifted one's head in the side being all positioned at net lateral coil and displaceable valve phase coil in described water route, and described circuit lifts one's head the opposite side being all positioned at net lateral coil and displaceable valve phase coil.
Accompanying drawing explanation
Fig. 1 is the front view of poured with epoxy resin internal water cooling phase shifting transformer of the present invention.
Fig. 2 is the left view of poured with epoxy resin internal water cooling phase shifting transformer of the present invention.
Fig. 3 is the vertical view of poured with epoxy resin internal water cooling phase shifting transformer of the present invention.
Fig. 4 is the water route parallel-connection structure schematic diagram of displaceable valve phase coil of the present invention.
Fig. 5 is the water route parallel circuit in series structural representation of net lateral coil of the present invention.
Fig. 6 is the operation principle schematic diagram of poured with epoxy resin internal water cooling phase shifting transformer of the present invention.
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent; In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable; The corresponding same or analogous parts of same or analogous label; The term describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
A kind of poured with epoxy resin internal water cooling phase shifting transformer, comprise three groups of transformer phase A, B, C, each group of transformer phase A, B, C comprises iron core, multiple net lateral coil 1, multiple displaceable valve phase coil 2 and intake collecting pipe 16 and water outlet collecting pipe 17, wherein water inlet collecting pipe 16 and water outlet collecting pipe 17 lay respectively at the homonymy of transformer, each net lateral coil 1 and displaceable valve phase coil 2 are arranged in order respectively from the top down, described net lateral coil 1 and displaceable valve phase coil 2 are arranged with one heart, iron core is positioned at net lateral coil 1 and displaceable valve phase coil 2, described net lateral coil 1 and displaceable valve phase coil 2 are by single hollow wire 11, 21 coilings form and adopt epoxide resin vacuum moulding by casting, described hollow conductor 11, insulation gap 14 is provided with between 21, the top 111,211 of described hollow conductor 11,21 and terminal 112,212 be equipped with water route lift one's head 12 and circuit lift one's head 13, lift one's head and 12 to be connected with water inlet collecting pipe 16 respectively by flexible insulated hose 5 in the water route being positioned at hollow conductor 21 top 211 of each displaceable valve phase coil 2, lifting one's head and 12 to be connected with water outlet collecting pipe 17 respectively by flexible insulated hose 5 in the water route being positioned at hollow conductor 21 terminal 212 of each displaceable valve phase coil 2, makes between each displaceable valve phase coil 2 in water route parallel relationship, lift one's head and 12 to be connected with water inlet collecting pipe 16 respectively by flexible insulated hose 5 in the water route being positioned at hollow conductor 11 top 111 of each net lateral coil 1, lift one's head and 12 to be connected with water outlet collecting pipe 17 respectively by flexible insulated hose 5 in the water route being positioned at hollow conductor 11 terminal 112 of each net lateral coil 1, the circuit of hollow conductor 11 terminal 112 being positioned at each net lateral coil 1 of top lift one's head 13 respectively and the circuit at hollow conductor 11 top 111 of the below Phase shift winding 1 be adjacent lift one's head and 13 to be electrically connected by wire 15, to make between each net lateral coil 1 in parallel, the circuit connected in series relation in water route, the water route of described valve side winding lift one's head 12 and circuit lift one's head and 13 all adopt radial outlet, the water route of source side winding lift one's head 12 and circuit lift one's head and 13 all adopt axial outlet wire, and the circuit of the hollow conductor 21 of each displaceable valve phase coil 2 is lifted one's head and 13 is provided with valve lateral circuit outlet terminal 4, the circuit at hollow conductor 11 top 111 of the net lateral coil 1 of the top lifts one's head 13 and lift one's head with the circuit of hollow conductor 11 terminal 112 of bottom Phase shift winding 1 and 13 be respectively equipped with circuit on side of overhead contact line outlet terminal 3, are lifted one's head in 12 sides being all positioned at net lateral coil 1 and displaceable valve phase coil 2 in described water route, described circuit lifts one's head 13 opposite sides being all positioned at net lateral coil 1 and displaceable valve phase coil 2.
Using method: as shown in the figure, cooling water flows into from water inlet collecting pipe 16, distribute to the hollow conductor 11,21 in each transformer phase A, the net lateral coil 1 of B, C and displaceable valve phase coil 2, the heat that coil produces is taken away, then external refrigeration system 10 is flowed through through water outlet collecting pipe 17, heat exchanger 9 pairs of cooling waters through external refrigeration system 10 cool, and cooled cooling water flows into water inlet collecting pipe 16 again, realize the cooling of transformer coil by constantly circulating.Between each parallel running in water route branch road, cooling water flow resistance is equal, and the flow between each parallel running in water route branch road distributes according to the water route length between each parallel running branch road, cross section, water route, winding resistance loss.Because net lateral coil electric pressure is high, the number of turn is many, water route is long, adopt each point of intersegmental water route parallel running effectively can reduce the flow resistance of cooling water in net lateral coil, reduce the pressure of supply water of water system, improve product water route system reliability.
Embodiment 2
The present embodiment is similar to embodiment 1, and further, described net lateral coil 1 and displaceable valve phase coil 2 form by the coiling of many hollow conductors 11,21 in parallel and adopt epoxide resin vacuum moulding by casting.The using method of the present embodiment is similar to embodiment 1.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection range that all should be included in the claims in the present invention.
Claims (10)
1. a poured with epoxy resin internal water cooling phase shifting transformer, comprise three groups of transformer phase (A, B, C), each group of transformer phase (A, B, C) iron core is comprised, multiple net lateral coil (1) and multiple displaceable valve phase coil (2), each net lateral coil (1) and displaceable valve phase coil (2) are arranged in order respectively from the top down, described net lateral coil (1) and displaceable valve phase coil (2) are arranged with one heart, iron core is positioned at net lateral coil (1) and displaceable valve phase coil (2), it is characterized in that, described net lateral coil (1) and displaceable valve phase coil (2) are by single hollow wire (11, 21) or many hollow conductors (11 in parallel, 21) coiling forms and adopts epoxide resin vacuum moulding by casting, described hollow conductor (11, 21) insulation gap (14) is provided with between.
2. poured with epoxy resin internal water cooling phase shifting transformer according to claim 1, is characterized in that, in water route parallel relationship between each displaceable valve phase coil (2).
3. poured with epoxy resin internal water cooling phase shifting transformer according to claim 1, is characterized in that, is that water route is in parallel, circuit connected in series relation between each net lateral coil (1).
4. poured with epoxy resin internal water cooling phase shifting transformer according to claim 1, is characterized in that, the top (111,211) of described hollow conductor (11,21) and terminal (112,212) are equipped with water route and lift one's head (12) and circuit lifts one's head (13).
5. poured with epoxy resin internal water cooling phase shifting transformer according to claim 4, it is characterized in that, also comprise into water collecting pipe (16) and water outlet collecting pipe (17), the water route being positioned at hollow conductor (21) top (211) of each displaceable valve phase coil (2) lift one's head (12) be connected with water inlet collecting pipe (16) respectively by flexible insulated hose (5); The water route being positioned at hollow conductor (21) terminal (212) of each displaceable valve phase coil (2) lift one's head (12) be connected with water outlet collecting pipe (17) respectively by flexible insulated hose (5).
6. poured with epoxy resin internal water cooling phase shifting transformer according to claim 4, it is characterized in that, also comprise into water collecting pipe (16) and water outlet collecting pipe (17), the water route being positioned at hollow conductor (11) top (111) of each net lateral coil (1) lift one's head (12) be connected with water inlet collecting pipe (16) respectively by flexible insulated hose (5); The water route being positioned at hollow conductor (11) terminal (112) of each net lateral coil (1) lift one's head (12) be connected with water outlet collecting pipe (17) respectively by flexible insulated hose (5); The circuit of hollow conductor (11) terminal (112) being positioned at each net lateral coil (1) of top lift one's head (13) respectively and the circuit at hollow conductor (11) top (111) of below net lateral coil (1) be adjacent lift one's head (13) be electrically connected by wire (15).
7. poured with epoxy resin internal water cooling phase shifting transformer according to claim 5, is characterized in that, the circuit of the hollow conductor (21) of displaceable valve phase coil (2) lift one's head (13) be provided with valve lateral circuit outlet terminal (4).
8. poured with epoxy resin internal water cooling phase shifting transformer according to claim 6, it is characterized in that, the circuit at hollow conductor (11) top (111) of the net lateral coil (1) of the top lift one's head (13) and with the circuit of hollow conductor (11) terminal (112) of bottom Phase shift winding (1) lift one's head (13) be respectively equipped with circuit on side of overhead contact line outlet terminal (3).
9. the poured with epoxy resin internal water cooling phase shifting transformer according to any one of claim 4-8, it is characterized in that, lift one's head in the water route of described displaceable valve phase coil (2) and circuit is lifted one's head and all adopted radial outlet, and lift one's head in the water route of net lateral coil (1) and circuit is lifted one's head and all adopted axial outlet wire.
10. poured with epoxy resin internal water cooling phase shifting transformer according to claim 9, it is characterized in that, described water route lift one's head (12) be all positioned at the side of net lateral coil (1) and displaceable valve phase coil (2), described circuit lift one's head (13) be all positioned at the opposite side of net lateral coil (1) and displaceable valve phase coil (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529304.1A CN105118618A (en) | 2015-08-26 | 2015-08-26 | Epoxy resin cast water internal cooling phase-shifting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529304.1A CN105118618A (en) | 2015-08-26 | 2015-08-26 | Epoxy resin cast water internal cooling phase-shifting transformer |
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| Publication Number | Publication Date |
|---|---|
| CN105118618A true CN105118618A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510529304.1A Pending CN105118618A (en) | 2015-08-26 | 2015-08-26 | Epoxy resin cast water internal cooling phase-shifting transformer |
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| Country | Link |
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| CN (1) | CN105118618A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335887A (en) * | 2018-04-17 | 2018-07-27 | 江苏力阳电器制造有限公司 | Phase shift self coupling zigzag transformer |
| CN112750605A (en) * | 2020-12-28 | 2021-05-04 | 广州智光电气技术有限公司 | Water-cooled transformer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112081Y (en) * | 2007-09-27 | 2008-09-10 | 李正雄 | Packaging type coil assembly |
| CN201266530Y (en) * | 2008-09-10 | 2009-07-01 | 广州（从化）亨龙机电制造实业有限公司 | Cooling apparatus |
| CN202120727U (en) * | 2011-06-03 | 2012-01-18 | 中国电器科学研究院有限公司 | Water-cooling foil wound casting type rectifier transformer |
| JP4942605B2 (en) * | 2007-10-03 | 2012-05-30 | トクデン株式会社 | Three-phase induction machine |
| CN202373441U (en) * | 2011-12-26 | 2012-08-08 | 苏州博远特种变压器有限公司 | Water-cooled transformer with reactor |
| CN203325665U (en) * | 2013-05-08 | 2013-12-04 | 特变电工股份有限公司 | Frequency-conversion phase-shift rectifier transformer |
| CN203983008U (en) * | 2014-08-18 | 2014-12-03 | 台力电气有限公司 | A kind of high-tension transformer |
| CN204029567U (en) * | 2014-09-04 | 2014-12-17 | 台力电气有限公司 | Water-cooled transformer |
| CN204407159U (en) * | 2014-12-31 | 2015-06-17 | 金盘电气集团（上海）有限公司 | A kind of dry type phase-shifting rectifier transformer |
| CN204991372U (en) * | 2015-08-26 | 2016-01-20 | 明珠电气有限公司 | Epoxy resin casting internal water cooling phase -shifting transformer |
-
2015
- 2015-08-26 CN CN201510529304.1A patent/CN105118618A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112081Y (en) * | 2007-09-27 | 2008-09-10 | 李正雄 | Packaging type coil assembly |
| JP4942605B2 (en) * | 2007-10-03 | 2012-05-30 | トクデン株式会社 | Three-phase induction machine |
| CN201266530Y (en) * | 2008-09-10 | 2009-07-01 | 广州（从化）亨龙机电制造实业有限公司 | Cooling apparatus |
| CN202120727U (en) * | 2011-06-03 | 2012-01-18 | 中国电器科学研究院有限公司 | Water-cooling foil wound casting type rectifier transformer |
| CN202373441U (en) * | 2011-12-26 | 2012-08-08 | 苏州博远特种变压器有限公司 | Water-cooled transformer with reactor |
| CN203325665U (en) * | 2013-05-08 | 2013-12-04 | 特变电工股份有限公司 | Frequency-conversion phase-shift rectifier transformer |
| CN203983008U (en) * | 2014-08-18 | 2014-12-03 | 台力电气有限公司 | A kind of high-tension transformer |
| CN204029567U (en) * | 2014-09-04 | 2014-12-17 | 台力电气有限公司 | Water-cooled transformer |
| CN204407159U (en) * | 2014-12-31 | 2015-06-17 | 金盘电气集团（上海）有限公司 | A kind of dry type phase-shifting rectifier transformer |
| CN204991372U (en) * | 2015-08-26 | 2016-01-20 | 明珠电气有限公司 | Epoxy resin casting internal water cooling phase -shifting transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335887A (en) * | 2018-04-17 | 2018-07-27 | 江苏力阳电器制造有限公司 | Phase shift self coupling zigzag transformer |
| CN112750605A (en) * | 2020-12-28 | 2021-05-04 | 广州智光电气技术有限公司 | Water-cooled transformer |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510000, No. 118 East Ring Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District Applicant after: Pearl Electric Limited by Share Ltd Address before: 510000, No. 118 East Ring Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District Applicant before: Pearl Electric Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |