CN209232563U - A kind of three dimensional wound core natural grease Insulation Oil Transformer - Google Patents

A kind of three dimensional wound core natural grease Insulation Oil Transformer Download PDF

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Publication number
CN209232563U
CN209232563U CN201920047279.7U CN201920047279U CN209232563U CN 209232563 U CN209232563 U CN 209232563U CN 201920047279 U CN201920047279 U CN 201920047279U CN 209232563 U CN209232563 U CN 209232563U
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phase
low
wound core
transformer
coil
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CN201920047279.7U
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Chinese (zh)
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郭兴昌
樊丽
郭长明
蔡青萍
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JIANGXI HAN'S POWER TECHNOLOGY CORP Ltd
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JIANGXI HAN'S POWER TECHNOLOGY CORP Ltd
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Abstract

The utility model discloses a kind of three dimensional wound core natural grease Insulation Oil Transformers, including fuel tank and the three dimensional wound core formula body being mounted in the fuel tank, filled natural rouge insulating oil in the fuel tank, the three dimensional wound core formula body includes three dimensional wound core, high-tension coil, low-voltage coil, upper clamping piece, lower clamping piece, wood block filler, and the natural grease insulating oil is using the vegetable oil extracted in seed or other biomaterials.The fuel tank uses hexagon Full-sealing corrugated oil box.The utility model has energy conservation, material saving, three-phase circuit symmetrical, magnetic circuit balance, receiving thermal shock resistance properties good, anti-short circuit capability is strong, it is small in size, light-weight, noise is low, good manufacturability, service life are long, and advantages such as loss is low, high efficiency, maintenance cost save, operation cost is low;Natural esters insulating oil effectively prevent shelf depreciation as insulation and cooling medium;Overload capability is strong;Insulation system service life can be improved.

Description

A kind of three dimensional wound core natural grease Insulation Oil Transformer
Technical field
The utility model relates to field transformer, specifically a kind of three dimensional wound core natural grease Insulation Oil Transformer.
Background technique
Distribution transformer is one of equipment important in network system, and especially oil-immersed transformer has been widely used for Distribution network.
Oil-immersed transformer mainly uses mineral oil as cooling and dielectric at present, and mineral oil has good insulation Performance and heating conduction, but biodegradability is poor, once leakage occurs will cause the pollution for being difficult to eliminate to environment;Burning point Relatively low, fire retardant performance is poor;Furthermore mineral oil is a kind of non-renewable resource, and long-term consumption will appear resource scarcity And exhaustion.With the development of economy, environmental protection, energy-saving and emission-reduction have become the great policy of China's economic development, therefore develop The transformer equipment of environmental protection is the inexorable trend of electric power development.
Therefore, it is proposed that a kind of three dimensional wound core natural grease Insulation Oil Transformer.
Utility model content
The utility model aim is overcome the deficiencies in the prior art, adapts to realistic development, provides a kind of three dimensional wound core Natural grease Insulation Oil Transformer.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of three dimensional wound core natural grease Insulation Oil Transformer, including fuel tank and the three-dimensional winding iron being mounted in the fuel tank Core type body, filled natural rouge insulating oil in the fuel tank, the three dimensional wound core formula body includes three dimensional wound core, high-voltage line Circle, low-voltage coil, upper clamping piece, lower clamping piece, wood block filler;
The low-voltage coil is wound on three core limbs of three dimensional wound core, and the A phase head end connection A phase of low-voltage coil is led After electricity row, A phase of the conducting rod as transformer is connected across conductor grip one, the B phase head end connection B phase of the low-voltage coil is conductive Conductor grip two is passed through after row and connects B phase of the conducting rod as transformer, and the C phase head end of the low-voltage coil connects C phase busbar Conductor grip one is passed through afterwards connects C phase of the conducting rod as transformer;
The A phase tail end of the low-voltage coil passes through conductor grip one after connecting row's connection with X and one end of X copper bar is welded, institute The B phase tail end for stating low-voltage coil is connect after row's connection across conductor grip two and Y welding copper bus, the C phase tail of the low-voltage coil with Y End connect the welding of row one end with Z, and for the other end of Z connection row with after Y welding copper bus, Y copper bar passes through conductor grip one, X copper bar and Y copper The O point after connecting at B phase low-voltage coil above iron yoke as three-phase low-voltage coil is come, O phase busbar one end is connected to O Point, the other end connect O phase of the conducting rod as transformer;
The high-tension coil is located on the outside of low-voltage coil, and the A phase tap lead group outlet of high-tension coil is arranged as: with head end On the basis of, go out lead wire set one counterclockwise, A phase of the A phase head end of high-tension coil as transformer, ground lead group one passes through respectively Conductor grip three is connected to the corresponding connecting terminal of tap switch respectively;
The B phase tap lead group outlet of the high-tension coil is arranged as: on the basis of head end, go out lead wire set two clockwise, B phase of the B phase head end of high-tension coil as transformer, tap wire lead wire set two pass through conductor grip four and are connected to tap switch pair respectively The connecting terminal answered;
The C phase tap lead group outlet of the high-tension coil is arranged as: on the basis of head end, go out lead wire set three clockwise, C phase of the C phase head end of high-tension coil as transformer, tap wire lead wire set three pass through conductor grip five and are connected to tap switch pair respectively The terminals answered;
The wood block filler uses sleeper shape, and high-tension coil and low-voltage coil top and bottom are compressed by wood block filler;
The upper clamping piece and lower clamping piece are made of three channel steels of longitudinal direction and three channel steels of short side direction, short side Channel steel welds gusset close to coil sides, and the gusset is for installing three stretching screws;The lower clamping piece and the fixed company of Y shape feet It connects, the three dimensional wound core is fallen in Y shape feet;The three dimensional wound core formula body is strained and fixed by seven stretching screws.
Further, the natural grease insulating oil is using the vegetable oil extracted in seed or other biomaterials.
Further, the fuel tank uses hexagon Full-sealing corrugated oil box.
The advantages of the utility model and good effect: using three dimensional wound core structure, three-phase magnetic circuit fully symmetric equal-length, With energy conservation, material saving, three-phase circuit is symmetrical, magnetic circuit balances, receiving thermal shock resistance properties is good, and anti-short circuit capability is strong, small in size, weight Gently, noise is low, good manufacturability, service life are long, and the advantages such as loss is low, high efficiency, maintenance cost save, operation cost is low;
For the utility model using natural esters insulating oil as insulation and cooling medium, natural esters insulating oil is environmentally protective, belongs to Renewable resource, can be degradable, nontoxic;Flash-point height, fire safety, dielectric constant is big, and resistance to voltage levels are high, can be effective Prevent shelf depreciation;Overload capability is strong;Insulation system service life can be improved.
Detailed description of the invention
The outside drawing of Fig. 1 the utility model;
The top view of Fig. 2 the utility model;
The three dimensional wound core formula machine body structure schematic diagram of Fig. 3 the utility model;
The low pressure wiring diagram of Fig. 4 the utility model;
The high-voltage connecting line chart of Fig. 5 the utility model;
The cushion block scheme of installation of Fig. 6 the utility model;
The lower clamping piece structural schematic diagram of Fig. 7 the utility model.
Specific embodiment
It is necessary to understand that, "upper", "lower", "top", "bottom", "inner", "outside" etc. refer in the description of the present invention, The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, target only the utility model for ease of description It is described with simplifying, is not that indication or suggestion institute finger must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.
It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.
A kind of three dimensional wound core natural grease Insulation Oil Transformer, as shown in Figs. 1-5, including it is three dimensional wound core body, natural Ester insulating oil, oil tank of transformer and attachment, the utility model relates to oil tank of transformer in fill electric property height and environmental protection special The good natural grease insulating oil of property.
The utility model uses three dimensional wound core structure, oil tank of transformer filled natural ester insulating oil, to realize transformer Energy-saving purpose improves fire retardant performance, environmental-protecting performance and overload capability technical effect.
The utility model includes fuel tank 1 and the three dimensional wound core formula body 2 that is mounted in fuel tank 1, and filling is electrical in fuel tank 1 Performance height and the good natural grease insulating oil 3 of environmental protection characteristic, natural esters insulating oil 3 are extracted from seed or other biomaterials, are fired Point is higher than 350 DEG C, has good fire safety performance, and natural biology degradation rate is revealed, discarded pair close to 100% in 28 days Environmental nonpollution, nontoxic, environmentally protective, burning, which only generates carbon dioxide and water, preferably free of air pollution than mineral oil Environment and health characteristic, so being also environment protection type transformer using the transformer of environment-friendly type high-flash natural grease insulating oil.
Three dimensional wound core formula body 2 mainly comprising three dimensional wound core 4, low-voltage coil 33, high-tension coil 21, upper clamping piece 11, Lower clamping piece 13, wood block filler 32, three dimensional wound core 4 uses three dimensional wound core structure, when sawing sheet, using six sections seven grades of three dimensional wound core Isometric sawing sheet method (Chinese patent literature 201610613404.7) carries out sawing sheet and is assembled into magnetic after winder special is wound Road is that isometric closed ring is seamless, and rewinding material section is polygon three dimensional wound core.
Low-voltage coil 33 is wound on three core limbs of three dimensional wound core 4, and the A phase head end of low-voltage coil 33 connects A phase After busbar 7, A phase of the conducting rod as transformer is connected across conductor grip 5, the B phase head end connection B phase of low-voltage coil 33 is conductive Conductor grip 17 is passed through after row 15 and connects B phase of the conducting rod as transformer, and the C phase head end of low-voltage coil 33 connects C phase busbar 9 Conductor grip 5 is passed through afterwards connects C phase of the conducting rod as transformer;The A phase tail end of low-voltage coil 33 is worn after connecting 6 connection of row with X The one end for crossing conductor grip 5 and X copper bar 19 is welded, and the B phase tail end of low-voltage coil 33 passes through conductor grip 17 after connecting 18 connection of row with Y It is welded with Y copper bar 8, the C phase tail end of low-voltage coil 33 connect the welding of 10 one end of row, the other end and Y copper bar 8 of Z connection row 10 with Z After welding, Y copper bar 8 passes through conductor grip 5, and X copper bar 19 is made after connecting at B phase low-voltage coil 33 above iron yoke with Y copper bar 8 For the O point of three-phase low-voltage coil, 20 one end of O phase busbar is connected to O point, and the other end connects O phase of the conducting rod as transformer. The position purpose of the so selection O point of low-voltage coil 33 is to reduce the unbalance factor of low resistance;
High-tension coil 21 is located at three low-voltage coils, 33 outside, and the A phase tap lead group outlet of high-tension coil 21 is arranged as: On the basis of head end, counterclockwise out X2, X3, X4, X5, X6, X7 as lead wire set 24;The A phase head end of high-tension coil 21 is as change The A phase of depressor, tap wire lead wire set 24:X2, X3, X4, X5, X6, X7 are connected to tap switch 27 across conductor grip 23 respectively and correspond to Connecting terminal X2, X3, X4, X5, X6, X7.The B phase tap lead group outlet of high-tension coil 21 is arranged as: on the basis of head end, Go out Y7, Y6, Y5, Y4, Y3, Y2 clockwise as lead wire set 26;B phase of the B phase head end of high-tension coil 21 as transformer, tap Line lead wire set 26:Y2, Y3, Y4, Y5, Y6, Y7 pass through conductor grip 25 be connected to respectively the corresponding connecting terminal Y2 of tap switch 27, Y3,Y4,Y5,Y6,Y7.The C phase tap lead group outlet of high-tension coil 21 is arranged as: on the basis of head end, clockwise out Z7, Z6, Z5, Z4, Z3, Z2 lead wire set 29;C phase of the C phase head end of high-tension coil 21 as transformer, tap wire lead wire set 29:Z2, Z3, Z4, Z5, Z6, Z7 pass through conductor grip 28 and are connected to tap switch 27 corresponding connecting terminal Z2, Z3, Z4, Z5, Z6, Z7 respectively. The such outlet of high-tension coil 21 is advantageous in that easy-to-connect beauty, and the tap wire of three coils will not generate intersection, enhance The safety of transformer.
Wood block filler 32 uses sleeper shape, and the upper end and lower end of high-tension coil 21 and low-voltage coil 33 are pressed by wood block filler 32 Tightly, the cushion block compression area of the structure is big, and anti-short circuit capability is strong;
Upper clamping piece 11 is made of three channel steels 31 of longitudinal direction and three channel steels 30 of short side direction, and short side channel steel 30 leans on Nearly coil sides weld gusset 22;Lower clamping piece 13 is made of three channel steels 31 of longitudinal direction and three channel steels 30 of short side direction, Short side channel steel 30 welds gusset 22 close to coil sides;
As shown in fig. 6-7, the gusset 22 of upper clamping piece 11 and lower clamping piece 13 is for installing three stretching screws 12;Lower clamping piece 13 It is fixedly connected with Y shape feet 14, iron core 4 is fallen in Y shape feet 14;Three dimensional wound core formula body 2 is drawn by seven stretching screws 12 It fastens, enhances body stability, improve anti-short circuit capability.
First the lifting of three dimensional wound core formula body 2 is entered in fuel tank 1, after assembling after corresponding fuel tank attachment, to oil Natural esters insulating oil 3 is injected in case 1;There is the characteristic of the moisture absorption for natural esters insulating oil 3, to prevent natural esters insulating oil and sky Gas contacts the moisture absorption, and the utility model uses vacuum oil technique, and six sides that fuel tank 1 combines three dimensional wound core formula body 2 to use Shape all-sealed structure completely cuts off natural esters insulating oil 3 completely with outside air, extends the service life of natural esters insulating oil, subtracts The maintenance of few transformer;1 three long side of fuel tank arranges an appropriate number of corrugated plate;Multiple corrugated plate equidistant radial arrangements increase The heat dissipation area of fuel tank 1, and cause natural esters insulation oil volume to be buffered when changing in temperature change, to keep oil Stablize position;
The utility model uses three dimensional wound core structure, and three-phase magnetic circuit is full symmetric isometric, has energy conservation, material saving, three-phase Circuit symmetrical, magnetic circuit balance bear that thermal shock resistance properties is good, and anti-short circuit capability is strong, small in size, light-weight, noise is low, craftsmanship Well, the service life is long, and the advantages such as loss is low, high efficiency, maintenance cost save, operation cost is low;
For the utility model using natural esters insulating oil as insulation and cooling medium, natural esters insulating oil is environmentally protective, belongs to Renewable resource, can be degradable, nontoxic;Flash-point height, fire safety, dielectric constant is big, and resistance to voltage levels are high, can effectively prevent Only shelf depreciation, overload capability is strong, and insulation system service life can be improved.
Above-described embodiment is only the more excellent embodiment of the utility model, all according to the technical essence of the utility model pair Any simple modification, modification and alternate variation made for any of the above embodiments, are all within the scope of the technical scheme of the utility model.

Claims (3)

1. a kind of three dimensional wound core natural grease Insulation Oil Transformer, it is characterised in that: including fuel tank and be mounted in the fuel tank Three dimensional wound core formula body, filled natural rouge insulating oil in the fuel tank, the three dimensional wound core formula body includes three-dimensional winding Iron core, high-tension coil, low-voltage coil, upper clamping piece, lower clamping piece, wood block filler;
The low-voltage coil is wound on three core limbs of three dimensional wound core, and the A phase head end of low-voltage coil connects A phase busbar Afterwards, A phase of the conducting rod as transformer is connected across conductor grip one, after the B phase head end of the low-voltage coil connects B phase busbar B phase of the conducting rod as transformer is connected across conductor grip two, is worn after the C phase head end connection C phase busbar of the low-voltage coil It crosses conductor grip one and connects C phase of the conducting rod as transformer;The A phase tail end of the low-voltage coil passes through after connecting row's connection with X One end of conductor grip one and X copper bar is welded, and the B phase tail end of the low-voltage coil passes through conductor grip two and Y after connecting row's connection with Y Welding copper bus, the C phase tail end of the low-voltage coil connect row one end with Z and weld, after the other end and Y welding copper bus of Z connection row, Y copper bar passes through conductor grip one, and X copper bar is used as three-phase low-voltage line after connecting at B phase low-voltage coil above iron yoke with Y copper bar The O point of circle, O phase busbar one end are connected to O point, and the other end connects O phase of the conducting rod as transformer;
The high-tension coil is located on the outside of low-voltage coil, and the A phase tap lead group outlet of high-tension coil is arranged as: using head end as base Standard goes out lead wire set one counterclockwise, and A phase of the A phase head end of high-tension coil as transformer, ground lead group one passes through conducting wire respectively Folder three is connected to the corresponding connecting terminal of tap switch respectively;
The B phase tap lead group outlet of the high-tension coil is arranged as: on the basis of head end, going out lead wire set two, high pressure clockwise B phase of the B phase head end of coil as transformer, tap wire lead wire set two passes through conductor grip four, and to be connected to tap switch respectively corresponding Connecting terminal;
The C phase tap lead group outlet of the high-tension coil is arranged as: on the basis of head end, going out lead wire set three, high pressure clockwise C phase of the C phase head end of coil as transformer, tap wire lead wire set three passes through conductor grip five, and to be connected to tap switch respectively corresponding Terminals;
The wood block filler uses sleeper shape, and high-tension coil and low-voltage coil top and bottom are compressed by wood block filler;
The upper clamping piece and lower clamping piece are made of three channel steels of longitudinal direction and three channel steels of short side direction, short side channel steel Gusset is welded close to coil sides, the gusset is for installing three stretching screws;The lower clamping piece is fixedly connected with Y shape feet, The three dimensional wound core is fallen in Y shape feet;The three dimensional wound core formula body is strained and fixed by seven stretching screws.
2. a kind of three dimensional wound core natural grease Insulation Oil Transformer according to claim 1, it is characterised in that: described natural Rouge insulating oil is using the vegetable oil extracted in seed or other biomaterials.
3. a kind of three dimensional wound core natural grease Insulation Oil Transformer according to claim 1, it is characterised in that: the fuel tank Using hexagon Full-sealing corrugated oil box.
CN201920047279.7U 2019-01-11 2019-01-11 A kind of three dimensional wound core natural grease Insulation Oil Transformer Active CN209232563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920047279.7U CN209232563U (en) 2019-01-11 2019-01-11 A kind of three dimensional wound core natural grease Insulation Oil Transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920047279.7U CN209232563U (en) 2019-01-11 2019-01-11 A kind of three dimensional wound core natural grease Insulation Oil Transformer

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CN209232563U true CN209232563U (en) 2019-08-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903575A (en) * 2021-10-10 2022-01-07 吴江变压器有限公司 High-impedance transformer with built-in reactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903575A (en) * 2021-10-10 2022-01-07 吴江变压器有限公司 High-impedance transformer with built-in reactor
CN113903575B (en) * 2021-10-10 2023-03-17 吴江变压器有限公司 High-impedance transformer with built-in reactor

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