CN105895338A - Dry type transformer in wind power generator cabin - Google Patents
Dry type transformer in wind power generator cabin Download PDFInfo
- Publication number
- CN105895338A CN105895338A CN201610507262.6A CN201610507262A CN105895338A CN 105895338 A CN105895338 A CN 105895338A CN 201610507262 A CN201610507262 A CN 201610507262A CN 105895338 A CN105895338 A CN 105895338A
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- China
- Prior art keywords
- low
- wind power
- power generator
- voltage
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
- H01F2027/2857—Coil formed from wound foil conductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a dry type transformer in a wind power generator cabin. The dry type transformer comprises iron cores, low-voltage coils, high-voltage coils, an upper clamp and a lower clamp, wherein the low-voltage coils are arranged on the iron cores in a winding way; the high-voltage coils are arranged at the outer sides of the low-voltage coils in the winding way; the upper clamp and the lower clamp are positioned at two ends of the iron cores; upper cushion blocks are arranged between the upper clamp and the high-voltage coils; lower cushion blocks are arranged between the lower clamp and the high-voltage coils; panels which are used for connecting external equipment are arranged at the outer sides of the high-voltage coils; two groups of terminals are arranged on each panel; the two groups of terminals are respectively an upper terminal and a lower terminal; the lower terminals are electrically connected with arresters; the high-voltage coils are in a sectioned cylinder type; the low-voltage coils are wound by foils; each low-voltage coil is provided with two voltage taps; low-temperature-resisting epoxy resin layers are poured on the high-voltage coils and the low-voltage coils; hydrophobic materials coat the surfaces of the low-temperature-resisting epoxy resin layers; air-cooled connectors are arranged on the lower clamp; temperature sensors are embedded in the low-voltage coils.
Description
Technical field
The present invention relates to transformer technology field, particularly relate 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 antivibration
The feature that kinetic force is strong.Because the restriction of the size in cabin own, the volume and weight of transformator there is strict demand.Install
Transformator in wind-force cabin, high to the reliability requirement of transformator, the dielectric strength of transformator, tolerance high humility,
The ability of high salt time-sharing 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, warp
0.69kV low-voltage cable connects, then voltage is raised to 35kV is transported to main sub-station.This mode line loss is big, 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.Marine
Wind-power electricity generation, owing to not having earth's surface, more cannot at sea use by wind field.
Summary of the invention
The technical problem to be solved in the present invention is: for overcoming deficiencies of the prior art, for existing wind-power electricity generation
The defect existing for mounting means that machine separates with transformator, proposes a kind of dry type transformation being applicable in wind power generator cabin
Device.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 transformation
Device uses epoxy casting structure, volume is little, lightweight, electric property is stable, good weatherability, lightning impulse resistant ability strong,
Anti-vibration ability is strong, and in can meeting cabin, severe cold, filth, dust, high humility, high salinity, Long-term Vibration etc. are harsh
The use requirement of running environment.
The present invention solves that technical problem is adopted the technical scheme that present in known technology:
Dry-type transformer in a kind of wind power generator cabin, including iron core (12), the low-voltage line that is wound on iron core (12)
Circle (11), it is wound on the high-tension coil (4) in low-voltage coil (11) outside, is positioned at the upper clamping piece at iron core (12) two ends
And lower clamping piece (10) (1)；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-voltage line
It is provided with lower cushion block (7) between circle (4)；
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 of binding posts, these two groups of binding posts are respectively as follows: upper connecting terminal and lower connecting terminal；Wherein, connect under described
Spark gap (6) it is electrically connected with in line terminals；
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, at described low temperature resistant epoxy resin layer at described high-tension coil and low-voltage coil upper
External coating have 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.
Further: described temperature sensor is PT100 temperature sensor.
Further: between described high-tension coil (4) and upper cushion block (3), high-tension coil (4) and lower cushion block (7)
Between be 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 lifting is propped up
Frame (2) 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.
The present invention 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,
The features such as good weatherability, lightning impulse resistant ability are strong, anti-vibration ability is strong.Shorten between transformator and electromotor away from
From, decrease required connection cable, reduce line loss, saved cost, improve the efficiency of wind-power electricity generation.
Accompanying drawing explanation
Fig. 1 is the front view of the preferred embodiment of the invention；
Fig. 2 is the left view of the preferred embodiment of the invention；
Fig. 3 is the top view of the preferred embodiment of the invention；
Fig. 4 is the front view of cushion block in the preferred embodiment of the invention；
Fig. 5 is the left view of cushion block in the preferred embodiment of the invention；
Fig. 6 is the top view of cushion block in the preferred embodiment of the invention.
Wherein: 1, upper clamping piece, 2, hoisting bracket, 3, upper cushion block, 4, high-tension coil, 5, panel, 6, spark gap,
7, lower cushion 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 the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
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 folder
Part 1, lower clamping piece 10, cushion block, base 9, spark gap 6, PT100 sensing cable 13.Wherein: coil includes high-voltage line
Circle 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,
High-tension coil 4 is wound on low-voltage 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 unshakable in one's determination 12
Lower end；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 arranged
Having two groups of binding posts, these two groups of binding posts are respectively as follows: upper connecting terminal and lower connecting terminal；Wherein, under described
Spark gap 6 it is electrically connected with on binding post；
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 asphalt mixtures modified by epoxy resin at described high-tension coil 4 and low-voltage coil 11 upper
The external coating of lipid 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 sensor；Institute
State temperature sensor to be connected with external reception equipment by sensing cable.In the preferred embodiment, said temperature sensor
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
It is connected by support with wind power generator cabin top.
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-voltage line on the lower clamping piece of coil bottom
Circle upper end 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
Encapsulating coil inside conductor, completely cuts off outer low temperature, high humility, highly-saline air, it is ensured that transformator adverse circumstances are transported
Reliability in row.Resin material adds highly heat-conductive material, rapidly the heat that transformator produces can be transmitted to coil table
In the air in face.Coil surface brushing hydrophobic material.Can prevent coil surface from producing condensation, improve transformator badly
Reliability of operation in environment.
High-tension coil outlet panel uses flighting schedule design, and the position having terminal outlet is protruding, does not has the position of terminal outlet
Depression.Terminal uses arc transition with panel junction.Comparing the plane outlet panel of routine, new construction can be effectively increased
The creep age distance on surface, reduces transformator probability of creeping discharge in dust, filthy environment.Terminal uses arc transition,
Can prevent finish lead from ftractureing, improve the safety and reliability of transformator.
Zinc oxide surge arresters on input terminal, can effectively by because of thunder and lightning or system operate the overvoltage produced be limited in equipment or
In the voltage range that system can bear, powerful electric current earial drainage entering 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.
The temperature rise that so can improve transformator limits, and reduces volume, reduces weight, adapts to wanting of wind power generator cabin installation environment
Ask.
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.Transformation
Device 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 of dynamic effect
Type 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 embodiments of the invention are described in detail, but described content has been only presently preferred embodiments of the present invention, no
The practical range for limiting the present invention can be considered.All impartial changes made according to the present patent application scope and improvement etc.,
Within all should still belonging to the patent covering scope of the present invention.
Claims (6)
1. a dry-type transformer in wind power generator cabin, including iron core (12), the low pressure that is wound on iron core (12)
Coil (11), it is wound on the high-tension coil (4) in low-voltage coil (11) outside, is positioned at the upper folder at iron core (12) two ends
Part (1) and lower clamping piece (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-voltage line
It is provided with lower cushion block (7) between circle (4)；
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 of binding posts, these two groups of binding posts are respectively as follows: upper connecting terminal and lower connecting terminal；Wherein, connect under described
Spark gap (6) it is electrically connected with in line terminals；
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, at described low temperature resistant epoxy resin layer at described high-tension coil and low-voltage coil upper
External coating have 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
For PT100 temperature sensor.
Dry-type transformer in wind power generator cabin the most according to claim 1, it is characterised in that: at described high-tension coil
(4) and between upper cushion block (3), between high-tension coil (4) and lower cushion block (7), it is provided with damping rubber pad.
Dry-type transformer in wind power generator cabin the most according to claim 1, it is characterised in that: in described upper clamping piece (1)
Be provided with hoisting bracket (2) on lower clamping piece (10)；Described hoisting bracket (2) passes through with wind power generator cabin top
Support connects.
Dry-type transformer in wind power generator cabin the most according to claim 4, it is characterised in that: also include for connecting
Transformator 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: at the table of described panel
Face is provided with projection and depression, and described binding post is positioned in described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507262.6A CN105895338A (en) | 2016-06-29 | 2016-06-29 | Dry type transformer in wind power generator cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507262.6A CN105895338A (en) | 2016-06-29 | 2016-06-29 | Dry type transformer in wind power generator cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105895338A true CN105895338A (en) | 2016-08-24 |
Family
ID=56719348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610507262.6A Pending CN105895338A (en) | 2016-06-29 | 2016-06-29 | Dry type transformer in wind power generator cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105895338A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278524A (en) * | 2020-11-18 | 2022-04-05 | 中车株洲电力机车研究所有限公司 | Connecting structure of wind turbine generator cabin and dry-type transformer |
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| CN204390835U (en) * | 2015-02-15 | 2015-06-10 | 广东科源电气有限公司 | A kind of transformer |
| CN105185539A (en) * | 2015-09-18 | 2015-12-23 | 常熟市森源电气科技有限公司 | Insulation dry-type transformer of 20kV voltage class |
| CN205069348U (en) * | 2015-10-18 | 2016-03-02 | 中铁电气工业有限公司保定铁道变压器分公司 | Iron core single -phase auto -transformer is rolled up to dry -type |
| CN205828100U (en) * | 2016-06-29 | 2016-12-21 | 天津市特变电工变压器有限公司 | Dry-type transformer in a kind of wind power generator cabin |
-
2016
- 2016-06-29 CN CN201610507262.6A patent/CN105895338A/en active Pending
Patent Citations (13)
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| JPS5555507A (en) * | 1978-10-18 | 1980-04-23 | Hitachi Ltd | Wire winder for electric induction apparatus |
| CN201315223Y (en) * | 2008-09-26 | 2009-09-23 | 江西大族电源科技有限公司 | Novel high tension coil for encapsulating dry type transformer |
| CN201369224Y (en) * | 2009-02-06 | 2009-12-23 | 保定天威集团有限公司 | Safety dry type transformer |
| CN101651022A (en) * | 2009-08-05 | 2010-02-17 | 济南志亨特种变压器有限公司 | Backside pressure regulating anti-creepage high voltage coil |
| CN201608039U (en) * | 2009-09-25 | 2010-10-13 | 山东鲁能泰山电力设备有限公司 | Small-capacity three-phase dry-type transformer |
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| CN103578705A (en) * | 2012-07-24 | 2014-02-12 | 昆山禾旺电子有限公司 | Self-protection three-column amorphous alloy transformer |
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| CN203377069U (en) * | 2013-07-09 | 2014-01-01 | 国家电网公司 | Coil of rolled iron core transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278524A (en) * | 2020-11-18 | 2022-04-05 | 中车株洲电力机车研究所有限公司 | Connecting structure of wind turbine generator cabin and dry-type transformer |
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Application publication date: 20160824 |