CN204991372U - Epoxy resin casting internal water cooling phase -shifting transformer - Google Patents

Epoxy resin casting internal water cooling phase -shifting transformer Download PDF

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Publication number
CN204991372U
CN204991372U CN201520649350.0U CN201520649350U CN204991372U CN 204991372 U CN204991372 U CN 204991372U CN 201520649350 U CN201520649350 U CN 201520649350U CN 204991372 U CN204991372 U CN 204991372U
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China
Prior art keywords
coil
head
lift
circuit
hollow conductor
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Application number
CN201520649350.0U
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Chinese (zh)
Inventor
蔡定国
杨祥江
黎剑锋
唐金权
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Pearl Electric Limited by Share Ltd
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PEARL ELECTRIC CO Ltd
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Abstract

The utility model belongs to the technical field of power transformer, more specifically relate to an epoxy resin casting internal water cooling phase -shifting transformer, including three group's transformer looks (A, B, C), each is organized transformer looks (A, B, C) and inclines with a plurality of valve including unshakable in one's determination, a plurality of net side line circles (1) and move looks coil (2), and each is netted side line circle (1) and valve and inclines and move looks coil (2) and arrange in proper order from the top down respectively, looks coil (2) concentric setting is moved to net side line circle (1) and valve side, and the iron core lies in net side line circle (1) and looks coil (2) are moved to the valve side, its characterized in that, net side line circle (1) and valve side are moved looks coil (2) and are formed and adopt the epoxy vacuum casting shaping by single hollow conductor (11, 21) or many parallelly connected hollow conductor (11, 21) coilings, be equipped with between hollow conductor (11, 21) insulating interval (14).

Description

A kind of poured with epoxy resin internal water cooling phase shifting transformer
Technical field
The utility model belongs to power transformer technical field, relates 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 utility model, 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, the technical solution of the utility model 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 solutions of the utility model is:
The poured with epoxy resin internal water cooling transformer phase shifting transformer that the utility model provides, 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 the utility model poured with epoxy resin internal water cooling phase shifting transformer.
Fig. 2 is the left view of the utility model poured with epoxy resin internal water cooling phase shifting transformer.
Fig. 3 is the vertical view of the utility model poured with epoxy resin internal water cooling phase shifting transformer.
Fig. 4 is the water route parallel-connection structure schematic diagram of the utility model displaceable valve phase coil.
Fig. 5 is the water route parallel circuit in series structural representation of the utility model net lateral coil.
Fig. 6 is the operation principle schematic diagram of the utility model poured with epoxy resin internal water cooling phase shifting transformer.
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, the technical solution of the utility model 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, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.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 do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection range that all should be included in the utility model claim.

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 the circuit of hollow conductor (11) terminal (112) of net lateral coil (1) of (13) and bottom 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).
CN201520649350.0U 2015-08-26 2015-08-26 Epoxy resin casting internal water cooling phase -shifting transformer Active CN204991372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520649350.0U CN204991372U (en) 2015-08-26 2015-08-26 Epoxy resin casting internal water cooling phase -shifting transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520649350.0U CN204991372U (en) 2015-08-26 2015-08-26 Epoxy resin casting internal water cooling phase -shifting transformer

Publications (1)

Publication Number Publication Date
CN204991372U true CN204991372U (en) 2016-01-20

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105118618A (en) * 2015-08-26 2015-12-02 明珠电气有限公司 Epoxy resin cast water internal cooling phase-shifting transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105118618A (en) * 2015-08-26 2015-12-02 明珠电气有限公司 Epoxy resin cast water internal cooling phase-shifting transformer

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C56 Change in the name or address of the patentee
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Address after: 510000, No. 118, East Ring Road, east ring street, Guangzhou, Guangdong, Panyu District

Patentee after: Pearl Electric Limited by Share Ltd

Address before: 510000, No. 118 East Ring Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District

Patentee before: Pearl Electric Co., Ltd.