CN202230845U - Three-phase stereo-wound-core type resin-insulated dry power transformer - Google Patents
Three-phase stereo-wound-core type resin-insulated dry power transformer Download PDFInfo
- Publication number
- CN202230845U CN202230845U CN2011203932442U CN201120393244U CN202230845U CN 202230845 U CN202230845 U CN 202230845U CN 2011203932442 U CN2011203932442 U CN 2011203932442U CN 201120393244 U CN201120393244 U CN 201120393244U CN 202230845 U CN202230845 U CN 202230845U
- Authority
- CN
- China
- Prior art keywords
- low
- voltage coil
- iron core
- wound
- phase
- 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.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000010453 quartz Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000011241 protective layer Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 239000000945 filler Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to a three-phase stereo-wound-core type resin-insulated dry power transformer. The transformer comprises a stereo triangular wound core, as well as a low-voltage coil and a high-voltage coil which are coaxially wound on a three-phase core column from inside to outside in sequence; a resin-insulated protective layer containing quartz powder filling is poured on the low-voltage coil and the high-voltage coil in a vacuum manner; the stereo triangular wound core is a stereo equilateral triangular wound core assembled by three identical core single frames wound by silicon steel sheets; on the core column, a piece of insulation paper is arranged at the junction of every two adjacent core single frames; and each core single frame is provided with a ground piece. The three-phase stereo-wound-core type resin-insulated dry power transformer has the characteristics of low consumption, high energy conversation, low noise, small volume, light weight, good fire resistance and moisture protection performance, can go deep into a load center, is a preferable product applicable to urban and rural power grids and high-rise building users, has a good development direction, and is a new generation of energy-saving dry transformer.
Description
Technical field
The utility model relates to a kind of transformer technology, and especially a kind of three-phase stereo is rolled up resin-insulated dry power transformer unshakable in one's determination.
Background technology
The kind of transformer is a lot, and oil-filled transformer, dry-type transformer etc. are arranged.The poured with epoxy resin dry-type transformer has its unique advantage, rises since the middle and later periods in last century, and dry-type transformer is worldwide developed rapidly.At present, along with the energy-conservation needs of power transformer, electricity consumption department constantly requires low-loss, high performance transformer.Three-phase stereo roll up resin-insulated dry power transformer unshakable in one's determination because have that low-loss, high energy-conservation, low noise, volume are little, in light weight, fire prevention and moistureproof fail safe be good, has good developing direction, is the energy-conservation dry-type transformer of a new generation.
Summary of the invention
The purpose of the utility model is to provide a kind of and has that low-loss, high energy-conservation, low noise, volume are little, in light weight, fire prevention and the good three-phase stereo of moistureproof fail safe are rolled up resin-insulated dry power transformer unshakable in one's determination.
The utility model; Comprise 3-D triangle volume iron core, coaxial successively low-voltage coil and the high-tension coil that is wound on the tri-phase iron core post from the inside to the outside; Vacuum pouring contains the insulation resin protective layer of quartz powder filler on said low-voltage coil and high-tension coil; Said 3-D triangle volume iron core, low-voltage coil and high-tension coil are by the fixing assembling of upper clamping piece, lower clamping piece, screw rod securing member and base, and the three-phase low-voltage coil is drawn the low pressure output line after connecting by star connection, and the three-phase high-voltage coil is drawn the high pressure incoming line after connecting by delta connection; Said 3-D triangle volume iron core is the three-dimensional equilateral triangle volume iron core that three identical iron core single frames that silicon steel sheet rolls piece together; On iron core column, adjacent two iron core single frame mosaics are provided with an insulating paper, on each single frame unshakable in one's determination, are provided with ground strip.
The utility model, said upper clamping piece and lower clamping piece are the triangle overall structure.
The utility model between iron core column and low-voltage coil, is provided with the support rubber bar; Two ends between low-voltage coil and high-tension coil are provided with spacer pad.
The utility model; Have that low-loss, high energy-conservation, low noise, volume are little, in light weight, fire prevention and moistureproof fail safe be good; Can go deep into the characteristics of load center; Being urban and rural power grids, particularly skyscraper user's preferred product, having good developing direction, is the energy-conservation dry-type transformer of a new generation.
Description of drawings
Fig. 1-Fig. 2 is the overall structure schematic diagram of embodiment; Wherein, Fig. 1 is a front view, and Fig. 2 is a vertical view.Fig. 3 is the single-phase structure principle chart of embodiment.Fig. 4-Fig. 5 is the structure principle chart of embodiment iron core single frame, and wherein, Fig. 4 is a front view, and Fig. 5 is the A-A cutaway view of Fig. 4.Fig. 6 is the vertical view of the 3-D triangle volume iron core of embodiment.
Among the figure, 1, iron core 2, low-voltage coil 3, high-tension coil 4, insulating protective layer 5, upper clamping piece 6, lower clamping piece 7, screw rod securing member 8, binding strap 9, insulating paper 10, ground strip 11, base 12, support rubber bar 13, spacer pad.
Embodiment
With reference to accompanying drawing; A kind of three-phase stereo is rolled up resin-insulated dry power transformer unshakable in one's determination; Comprise 3-D triangle volume iron core 1, coaxial successively low-voltage coil 2 and the high-tension coil 3 that is wound on the tri-phase iron core post from the inside to the outside; Vacuum pouring contains the insulation resin protective layer 4 of quartz powder filler on said low-voltage coil 2 and high-tension coil 3; Said 3-D triangle volume iron core 1, low-voltage coil 2 and high-tension coil 3 are by upper clamping piece 5, lower clamping piece 6, screw rod securing member 7 and base 11 fixing assemblings, and three-phase low-voltage coil 2 is drawn low pressure output line a, b, c, 0 after connecting by star connection, and three-phase high-voltage coil 3 is drawn high pressure incoming line A, B, C after connecting by delta connection; The three-dimensional equilateral triangle volume iron core that three identical single frames unshakable in one's determination that said 3-D triangle volume iron core 1 rolls for silicon steel sheet piece together; On iron core column, adjacent two iron core single frame mosaics are provided with an insulating paper 9, on each single frame unshakable in one's determination, are provided with ground strip 10.Said upper clamping piece and lower clamping piece are triangular framing.Between iron core column 1 and low-voltage coil 2, support rubber bar 12 is set; Two ends between low-voltage coil 2 and high-tension coil 3 are provided with spacer pad 13, make in the transformer between the iron core and low-voltage coil, form the ventilation and heat passage between low-voltage coil and the high-tension coil.
Present embodiment, iron core adopt 27ZH100 grain orientation cold-reduced silicon sheet, iron core colligation and be coated with overcoat.Adopt three-dimensional three-legged structure on the structure, guaranteed the reliability of transformer.Because the performance of silicon steel sheet is good, add reliable clamping simultaneously, reduced no-load loss, no-load current and the noise of transformer.Low-voltage coil adopts the Copper Foil coiling, and the anti-short circuit capability of product is provided.High-tension coil has adopted F level reinforced wire bag enamel-cover anaerobic copper cash, has reduced the load loss of transformer, has improved the insulation property and the reliability of transformer.High-voltage coil and low-voltage coil is the resin-cast with the band quartz powder filler, forms the insulating barrier of no air gap homogeneous around the coil.Have high mechanical strength and electrical strength and humidity resistance.Because the resin coefficient of expansion of band quartz powder filler and the coefficient of expansion of copper reach unanimity; Add and in the coil winding process, taked reliable measure; Solved the problem of coil easy of crack; Make coil can bear the impact of internal stress and external stress well, improved the product reliability of operation greatly, strengthened the ability of anti-sudden short circuit.Secure fit is in aggregates between the high-low pressure winding and between low pressure winding and the iron core, and winding overhang can reduce vibration with flexible fixed bolster support, reduces noise, has improved the product reliability of operation.
Claims (3)
1. a three-phase stereo is rolled up resin-insulated dry power transformer unshakable in one's determination; Comprise 3-D triangle volume iron core (1), coaxial successively low-voltage coil (2) and the high-tension coil (3) that is wound on the tri-phase iron core post from the inside to the outside; Go up the insulation resin protective layer (4) that vacuum pouring contains quartz powder filler at said low-voltage coil (2) and high-tension coil (3); Said 3-D triangle volume iron core (1), low-voltage coil (2) and high-tension coil (3) are by the fixing assembling of upper clamping piece (5), lower clamping piece (6), screw rod securing member (7) and base (11); Three-phase low-voltage coil (2) is drawn low pressure output line (a, b, c, 0) after connecting by star connection; Three-phase high-voltage coil (3) is drawn high pressure incoming line (A, B, C) after connecting by delta connection; It is characterized in that: the three-dimensional equilateral triangle volume iron core that three identical single frames unshakable in one's determination that said 3-D triangle volume iron core (1) rolls for silicon steel sheet piece together; On iron core column, adjacent two iron core single frame mosaics are provided with an insulating paper (9), on each single frame unshakable in one's determination, are provided with ground strip (10).
2. three-phase stereo according to claim 1 is rolled up resin-insulated dry power transformer unshakable in one's determination, it is characterized in that: said upper clamping piece and lower clamping piece are the triangle overall structure.
3. three-phase stereo according to claim 1 and 2 is rolled up resin-insulated dry power transformer unshakable in one's determination, it is characterized in that: between iron core column (1) and low-voltage coil (2), support rubber bar (12) is set; Two ends between low-voltage coil (2) and high-tension coil (3) are provided with spacer pad (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203932442U CN202230845U (en) | 2011-10-15 | 2011-10-15 | Three-phase stereo-wound-core type resin-insulated dry power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203932442U CN202230845U (en) | 2011-10-15 | 2011-10-15 | Three-phase stereo-wound-core type resin-insulated dry power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230845U true CN202230845U (en) | 2012-05-23 |
Family
ID=46081423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203932442U Expired - Fee Related CN202230845U (en) | 2011-10-15 | 2011-10-15 | Three-phase stereo-wound-core type resin-insulated dry power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202230845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310951A (en) * | 2013-06-28 | 2013-09-18 | 广东海鸿变压器有限公司 | Three-dimensional wound iron core three-phase dry-type transformer for nuclear station |
| WO2018176869A1 (en) * | 2017-04-01 | 2018-10-04 | 海鸿电气有限公司 | Novel transformer three-dimensional wound core low-voltage lead structure |
| CN114551066A (en) * | 2022-02-28 | 2022-05-27 | 西安热工研究院有限公司 | Three-phase core type controllable reactor |
-
2011
- 2011-10-15 CN CN2011203932442U patent/CN202230845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310951A (en) * | 2013-06-28 | 2013-09-18 | 广东海鸿变压器有限公司 | Three-dimensional wound iron core three-phase dry-type transformer for nuclear station |
| WO2018176869A1 (en) * | 2017-04-01 | 2018-10-04 | 海鸿电气有限公司 | Novel transformer three-dimensional wound core low-voltage lead structure |
| US11315722B2 (en) | 2017-04-01 | 2022-04-26 | Haihong Electric Co., Ltd. | Low-voltage lead structure for three-dimensional wound core of transformer |
| CN114551066A (en) * | 2022-02-28 | 2022-05-27 | 西安热工研究院有限公司 | Three-phase core type controllable reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201204118Y (en) | Resin insulated dry power transformer | |
| US9129739B2 (en) | Resin-molded stereo wound-core dry-type amorphous alloy transformer | |
| CN201259817Y (en) | Tridimensional rolling magnetic core resin insulation dry transformer | |
| CN201741535U (en) | Stereo-triangular wound core power transformer with voltage class more than or equal to 110KV | |
| CN102306542A (en) | Non-encapsulated dry-type transformer with three-dimensional noncrystalline alloy roll iron core | |
| CN102682988A (en) | Amorphous alloy transformer iron core of three-dimensional triangle structure | |
| CN201868202U (en) | Variable-frequency speed regulating dry type rectifier transformer with stereoscopic rolled iron core | |
| CN201298427Y (en) | Oil-filled transformer | |
| CN202221691U (en) | Resin pouring three-dimensional rolled iron core amorphous alloy dry type transformer | |
| CN103413655B (en) | Insulation resin amorphous alloy dry-type traction rectifier transformer | |
| CN102262955A (en) | 110kV and higher voltage level stereo triangle wound iron core power transformer | |
| CN202230838U (en) | Dry-type transformer with wound iron core | |
| CN209804425U (en) | Amorphous alloy transformer winding framework with short circuit resistance | |
| CN216287906U (en) | Three-dimensional triangular wound core and three-dimensional wound core transformer | |
| CN202076081U (en) | C-stage stereoscopic dry type transformer installed in suspension type and provided with coiled iron core | |
| CN202977108U (en) | EE-type argon arc welding iron core inductor | |
| CN201340794Y (en) | High-voltage current transformer | |
| CN202067642U (en) | Amorphous alloy air-immersed transformer of non-encapsulating three-dimensional winding iron core | |
| CN208938784U (en) | A novel anti-short-circuit structure of three-dimensional triangular iron core transformer | |
| CN201307485Y (en) | Trisected dry-type rectiformer of epoxy resin insulating variable frequency drive | |
| CN201927454U (en) | Electric three-dimensional laminated core | |
| CN202134343U (en) | Double-voltage dry-type transformer cast by thin-insulating epoxy | |
| CN203103109U (en) | Integral combined transformer | |
| CN203941790U (en) | A kind of novel high-efficiency and energy-saving dry-type transformer for hatch winding iron core | |
| CN201332013Y (en) | Combined outdoor voltage transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20141015 |
|
| EXPY | Termination of patent right or utility model |