CN205828100U - Dry-type transformer in a kind of wind power generator cabin - Google Patents
Dry-type transformer in a kind of wind power generator cabin Download PDFInfo
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- CN205828100U CN205828100U CN201620670990.4U CN201620670990U CN205828100U CN 205828100 U CN205828100 U CN 205828100U CN 201620670990 U CN201620670990 U CN 201620670990U CN 205828100 U CN205828100 U CN 205828100U
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Abstract
The utility model discloses dry-type transformer in a kind of wind power generator cabin, the low-voltage coil including iron core, being wound on iron core, be wound on the high-tension coil outside low-voltage coil, the upper clamping piece being positioned at two ends unshakable in one's determination and lower clamping piece;Cushion block on being provided with between upper clamping piece and high-tension coil;Lower cushion block it is provided with between lower clamping piece and high-tension coil;Being provided with the panel connecting peripheral hardware in the outside of high-tension coil, be provided with two groups of binding posts on the panel, these two groups of binding posts are respectively as follows: upper connecting terminal and lower connecting terminal;Spark gap it is electrically connected with on lower connecting terminal;High-tension coil is sectional circular cartridge type, described low-voltage coil use paper tinsel around, described low-voltage coil has 2 voltage taps;Having low temperature resistant epoxy resin layer at described high-tension coil and low-voltage coil upper, the external coating at described low temperature resistant epoxy resin layer has hydrophobic material layer;Described lower clamping piece is provided with air-cooled interface;Described low-voltage coil is embedded with temperature sensor.
Description
Technical field
This utility model relates to transformer technology field, particularly relates to dry-type transformer in a kind of wind power generator cabin.
Background technology
Weather harsh during in order to adapt to run in cabin and environmental condition, it is desirable to transformator has corrosion resistance and resists
The feature that vibration ability is strong.Because the restriction of the size in cabin own, the volume and weight of transformator there is strict demand.It is arranged on
Transformator in wind-force cabin, high to the reliability requirement of transformator, the dielectric strength of transformator, tolerance high humility, high salinity
The ability of environment, lightning impulse resistant, the ability of anti-vibration are the important technology requirements of this type of transformator.Conventional type transformator can not
Meet above-mentioned requirements.Existing wind power generation transformer, generally uses and is arranged at the bottom of tower by transformator, through 0.69kV low-voltage cable
Connect, then voltage is raised to 35kV is transported to main sub-station.This mode line loss is big, and generating efficiency is low, and integrated cost is high.
And transformator be arranged at the bottom of tower easily contact, barrier propterty is poor, reliability is low.Oversea wind power generation is not owing to having earth's surface, more
Cannot at sea use by wind field.
Utility model content
The technical problems to be solved in the utility model is: for overcoming deficiencies of the prior art, for existing wind
The defect existing for mounting means that power generator separates with transformator, proposes a kind of dry type being applicable in wind power generator cabin
Transformator.Transformator is arranged in the separate space of nacelle rear, shortens the distance between transformator and electromotor, reduce
Connection cable needed for, reduces line loss, has saved cost, improve the efficiency of wind-power electricity generation.This type of transformator is adopted
Using epoxy casting structure, volume is little, lightweight, electric property is stable, good weatherability, lightning impulse resistant ability strong, antivibration kinetic energy
Power is strong, can meet the use of the harsh running environment such as severe cold, filth, dust, high humility, high salinity, Long-term Vibration in cabin
Requirement.
This utility model is adopted the technical scheme that by solving technical problem present in known technology:
Dry-type transformer in a kind of wind power generator cabin, including iron core (12), the low-voltage coil that is wound on iron core (12)
(11) high-tension coil (4), the upper clamping piece (1) being positioned at iron core (12) two ends and the lower clamping piece in low-voltage coil (11) outside, it are wound on
(10);It is characterized in that:
Upper cushion block (3) it is provided with between upper clamping piece (1) and high-tension coil (4);At lower clamping piece (10) and high-tension coil (4)
Between be provided with lower cushion block (7);
It is provided with the panel (5) connecting peripheral hardware in the outside of high-tension coil (4), described panel (5) is provided with two
Group binding post, these two groups of binding posts are respectively as follows: upper connecting terminal and lower connecting terminal;Wherein, at described lower connecting terminal
On be electrically connected with spark gap (6);
Described high-tension coil is sectional circular cartridge type, described low-voltage coil use paper tinsel around, described low-voltage coil has 2 voltages to take out
Head;
Low temperature resistant epoxy resin layer is had, in described low temperature resistant epoxy resin at described high-tension coil and low-voltage coil upper
The external coating of layer has hydrophobic material layer;
Described lower clamping piece (10) is provided with air-cooled interface (8);Described low-voltage coil (11) is embedded with temperature pass
Sensor.
Further: described temperature sensor is PT100 temperature sensor.
Further: between described high-tension coil (4) and upper cushion block (3), between high-tension coil (4) and lower cushion block (7) all
It is provided with damping rubber pad.
Further: on described upper clamping piece (1) and lower clamping piece (10), to be provided with hoisting bracket (2);Described hoisting bracket (2)
It is connected by support with wind power generator cabin top.
Further: also to include the base (9) for connection transformer Yu wind power generator cabin.
Further: the surface configuration at described panel has projection and depression, described binding post to be positioned in described projection.
Further: described cushion block is umbrella skirt construction.
This utility model has the advantage that with good effect:
By using technique scheme, compared with prior art, have that volume is little, lightweight, electric property is stable, resistance to
The features such as time property is good, lightning impulse resistant ability strong, anti-vibration ability is strong.Shorten the distance between transformator and electromotor, subtract
Lack required connection cable, reduced line loss, saved cost, improve the efficiency of wind-power electricity generation.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model preferred embodiments;
Fig. 2 is the left view of this utility model preferred embodiments;
Fig. 3 is the top view of this utility model preferred embodiments;
Fig. 4 is the front view of cushion block in this utility model preferred embodiments;
Fig. 5 is the left view of cushion block in this utility model preferred embodiments;
Fig. 6 is the top view of cushion block in this utility model preferred embodiments.
Wherein: 1, upper clamping piece, 2, hoisting bracket, 3, upper cushion block, 4, high-tension coil, 5, panel, 6, spark gap, 7, underlay
Block, 8, air-cooled interface, 9, base, 10, lower clamping piece, 11, low-voltage coil, 12 is unshakable in one's determination, and 13, PT100 sensing cable.
Detailed description of the invention
For utility model content of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and
Accompanying drawing is coordinated to describe in detail as follows:
Refer to Fig. 1 to Fig. 6, dry-type transformer in a kind of wind power generator cabin, including: unshakable in one's determination 12, coil, upper clamping piece 1,
Lower clamping piece 10, cushion block, base 9, spark gap 6, PT100 sensing cable 13.Wherein: coil includes high-tension coil 4 and low-voltage coil
11;Cushion block includes cushion block 3 and lower cushion block 7;Described low-voltage coil 11 is wound on unshakable in one's determination 12, and high-tension coil 4 is wound on low pressure
On coil 11;Upper clamping piece 1 is positioned at the upper end of unshakable in one's determination 12, and lower clamping piece 10 is positioned at the lower end of unshakable in one's determination 12;At upper clamping piece 1 and high-tension coil
Cushion block 3 it is provided with between 4;Lower cushion block 7 it is provided with between lower clamping piece 10 and high-tension coil 4;Set in the outside of high-tension coil 4
Being equipped with the panel 5 connecting peripheral hardware, be provided with two groups of binding posts on described panel 5, these two groups of binding posts are respectively as follows:
Binding post and lower connecting terminal;Wherein, described lower connecting terminal is electrically connected with spark gap 6;
Described high-tension coil 4 is sectional circular cartridge type, described low-voltage coil 11 use paper tinsel around, described low-voltage coil has 2 electricity
Pressure tap;
Low temperature resistant epoxy resin layer is had, at described low temperature resistant epoxy at described high-tension coil 4 and low-voltage coil 11 upper
The external coating of resin bed has hydrophobic material layer;
Described lower clamping piece 10 is provided with air-cooled interface 8;Described low-voltage coil 11 is embedded with temperature sensor;Institute
State temperature sensor to be connected with external reception equipment by sensing cable.In the preferred embodiment, said temperature sensor choosing
Select is PT100 temperature sensor, and therefore, what sensing cable selected is PT100 sensing cable 13;
Between described high-tension coil 4 and upper cushion block 3, between high-tension coil 4 and lower cushion block 7, it is provided with damping rubber pad.
In order to reduce vibrations: be provided with hoisting bracket 2 on described upper clamping piece 1 and lower clamping piece 10;Described hoisting bracket 2 with
Wind power generator cabin top is connected by support.
Base 9 is for connection transformer and wind power generator cabin.
Surface configuration at described panel has projection and depression, described binding post to be positioned in described projection.
Described cushion block is umbrella skirt construction.
Being mainly characterized in that: of this patent
High-tension coil sectional circular cartridge type, low-voltage coil use paper tinsel around, low-voltage coil has 2 voltage taps.
High-voltage coil and low-voltage coil mould material uses new formula low temperature resistant epoxy resin.Coil surface brushing hydrophobic material.
There is outlet panel in high-tension coil front, and panel has binding post up and down, zinc oxide surge arresters on lower connecting terminal.
Transformator uses forced air cooling radiating mode, arranges forced air cooling interface, low pressure on the lower clamping piece of coil bottom
Coil upper end portion buries PT100 temperature sensor underground.
There is the cushion block with full skirt between coil and upper clamping piece and lower clamping piece, between cushion block and coil, be provided with damping rubber
Pad.
Transformer bolt be connected by anti-loosening saucer washer.
Transformer base is connected with wind power generator cabin base, and upper clamping piece both sides hoisting bracket is connected with nacelle top.
The metalwork of transformator uses hot dip galvanizing process, to reach C4 antiseptic effect.
Had by the soluble subject matter of technique scheme:
Transformer high-low-voltage coil all uses low temperature resistant resin system to pour into a mould.Coil entered resin-cast, can be complete
Total incapsulation coil inside conductor, completely cuts off outer low temperature, high humility, highly-saline air, it is ensured that transformator adverse circumstances are run
In reliability.Resin material adds highly heat-conductive material, rapidly the heat that transformator produces can be transmitted to coil surface
In air.Coil surface brushing hydrophobic material.Can prevent coil surface from producing condensation, improve transformator and transport in adverse circumstances
The reliability of row.
High-tension coil outlet panel uses flighting schedule design, and the position having terminal outlet is protruding, does not has the portion of terminal outlet
Position depression.Terminal uses arc transition with panel junction.Comparing the plane outlet panel of routine, new construction can be effectively increased table
The creep age distance in face, reduces transformator probability of creeping discharge in dust, filthy environment.Terminal uses arc transition, can prevent
Only finish lead cracking, improves the safety and reliability of transformator.
Zinc oxide surge arresters on input terminal, effectively can will be limited in equipment because thunder and lightning or system operate the overvoltage produced
Or in the voltage range that can bear of system, powerful electric current earial drainage being entered ground, protection transformator is not hit and damages.
Use the radiating mode of forced air cooling.By being embedded in the PT100 temperature sensor of low-voltage coil upper end, accurately
The temperature of monitoring transformator.When transformer temperature is too high, forced air cooling system start-up, speed reduces transformer temperature.So
The temperature rise that can improve transformator limits, and reduces volume, reduces weight, adapts to the requirement of wind power generator cabin installation environment.
Use the cushion block with full skirt to support coil, creep age distance can be increased, improve the ability of coil lightning impulse resistant.Line
Enclose the flexible damping rubber cushion between cushion block, can effective buffering vibration, reduction noise.
For meeting wind power generator cabin internal vibration environmental requirement, transformator uses the most fixing mounting means.Become
Depressor bottom feet is fixed with base in cabin, and transformator top folder is fixed by adjustable support with cabin inner top.Become
Using between the internal each parts of depressor and flexibly connect, available buffer vibrates.Metalwork is connected by loosening the preferable butterfly-type of dynamic effect
Packing ring, avoids using long pore structure simultaneously, prevents displacement.
For meeting requirement for anticorrosion in wind power generator cabin, metalwork uses hot dip galvanizing process to process, and sprays three-proofing coating, meets
C4 level requirement for anticorrosion.
Above embodiment of the present utility model has been described in detail, but described content be only of the present utility model preferably
Embodiment, it is impossible to be considered for limiting practical range of the present utility model.All according to this utility model application range made equal
Deng change and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (6)
1. a dry-type transformer in wind power generator cabin, including iron core (12), the low-voltage coil that is wound on iron core (12)
(11) high-tension coil (4), the upper clamping piece (1) being positioned at iron core (12) two ends and the lower clamping piece in low-voltage coil (11) outside, it are wound on
(10);It is characterized in that:
Upper cushion block (3) it is provided with between upper clamping piece (1) and high-tension coil (4);Between lower clamping piece (10) and high-tension coil (4)
It is provided with lower cushion block (7);
It is provided with the panel (5) connecting peripheral hardware in the outside of high-tension coil (4), described panel (5) is provided with two groups and connects
Line terminals, these two groups of binding posts are respectively as follows: upper connecting terminal and lower connecting terminal;Wherein, power at described lower connecting terminal
Connect and have spark gap (6);
Described high-tension coil is sectional circular cartridge type, described low-voltage coil use paper tinsel around, described low-voltage coil has 2 voltage taps;
Low temperature resistant epoxy resin layer is had, at described low temperature resistant epoxy resin layer at described high-tension coil and low-voltage coil upper
External coating has hydrophobic material layer;
Described lower clamping piece (10) is provided with air-cooled interface (8);Described low-voltage coil (11) is embedded with temperature sensor.
Dry-type transformer in wind power generator cabin the most according to claim 1, it is characterised in that: described temperature sensor is
PT100 temperature sensor.
Dry-type transformer in wind power generator cabin the most according to claim 1, it is characterised in that: in described high-tension coil (4)
And between upper cushion block (3), be provided with damping rubber pad between high-tension coil (4) and lower cushion block (7).
Dry-type transformer in wind power generator cabin the most according to claim 1, it is characterised in that: at described upper clamping piece (1) and
Hoisting bracket (2) it is provided with on lower clamping piece (10);Described hoisting bracket (2) is connected by support with wind power generator cabin top.
Dry-type transformer in wind power generator cabin the most according to claim 4, it is characterised in that: also include for connecting transformation
Device and the base (9) of wind power generator cabin.
Dry-type transformer in wind power generator cabin the most according to claim 4, it is characterised in that: set on the surface of described panel
Being equipped with projection and depression, described binding post is positioned in described projection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620670990.4U CN205828100U (en) | 2016-06-29 | 2016-06-29 | Dry-type transformer in a kind of wind power generator cabin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620670990.4U CN205828100U (en) | 2016-06-29 | 2016-06-29 | Dry-type transformer in a kind of wind power generator cabin |
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Publication Number | Publication Date |
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CN205828100U true CN205828100U (en) | 2016-12-21 |
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CN201620670990.4U Active CN205828100U (en) | 2016-06-29 | 2016-06-29 | Dry-type transformer in a kind of wind power generator cabin |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105895338A (en) * | 2016-06-29 | 2016-08-24 | 天津市特变电工变压器有限公司 | Dry type transformer in wind power generator cabin |
CN109148122A (en) * | 2018-08-01 | 2019-01-04 | 江苏宏源电气有限责任公司 | The coil and cushion block and its full skirt preparation method of a kind of dry-type transformer |
-
2016
- 2016-06-29 CN CN201620670990.4U patent/CN205828100U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105895338A (en) * | 2016-06-29 | 2016-08-24 | 天津市特变电工变压器有限公司 | Dry type transformer in wind power generator cabin |
CN109148122A (en) * | 2018-08-01 | 2019-01-04 | 江苏宏源电气有限责任公司 | The coil and cushion block and its full skirt preparation method of a kind of dry-type transformer |
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