CN201788796U - Three-phase five-column dry transformer - Google Patents
Three-phase five-column dry transformer Download PDFInfo
- Publication number
- CN201788796U CN201788796U CN2010205350742U CN201020535074U CN201788796U CN 201788796 U CN201788796 U CN 201788796U CN 2010205350742 U CN2010205350742 U CN 2010205350742U CN 201020535074 U CN201020535074 U CN 201020535074U CN 201788796 U CN201788796 U CN 201788796U
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- iron core
- pressure winding
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- low pressure
- folder
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Abstract
The utility model relates to a three-phase five-column dry transformer, comprising a five-column amorphous alloy iron core, a three-phase low voltage winding and a high voltage winding sleeved at the corresponding iron core, the upper, lower, left, and right parts of the iron core are provided with clamp pieces used for fastening the iron core, the cross section of each clamping piece is of an omega shape, the upper and lower clamping pieces are fixedly connected with the left and right clamping pieces via screws at two sides, the iron core is fastened between the upper and lower omega-shaped clamping pieces, the high and low voltage windings are fastened between the external edges of the upper and lower omega-shaped clamping pieces, the high and low voltage windings are in an insulation connection with the external edges of the upper and lower omega-shaped clamping pieces. The upper, lower, left, and right omega-shaped clamping pieces are in a combined fixation, the iron core is placed in the clamping piece frame, making the iron core and the clamping pieces in a tight and fixed combination, enhancing whole mechanical strength, and reducing noise.
Description
Technical field
The utility model relates to a kind of three-phase five-limb amorphous alloy iron core dry transformer.
Background technology
The patent No. is that the Chinese patent file of CN201478091U discloses a kind of three-phase five-limb dry-type transformer, this dry-type transformer adopts non-crystaline amorphous metal as core material, making its no-load loss is 30% of traditional silicon steel plate iron core transformer, thereby greatly reduced the energy loss of transformer itself, improve the service efficiency of the energy, reached energy-conservation effect.But the mechanical performance of the folder of this transformer is relatively poor.
The utility model content
The purpose of this utility model provides a kind of three-phase five-limb dry-type transformer, in order to solve the problem of prior art bad mechanical property.
For achieving the above object, scheme of the present utility model is: a kind of three-phase five-limb dry-type transformer, comprise five-limb amorphous alloy-iron core, be sleeved on three-phase low pressure winding and high pressure winding on the corresponding iron core, on the iron core, down, a left side, the right side is equipped with the folder that is used for fastening iron core, described folder cross section all is Ω shape, on, the screw of lower clamping piece by both sides respectively with a left side, right folder is fixedly connected, iron core is fastened on, between the indent of following Ω clevis spare, the high-low pressure winding is fastened on, between the outer of following Ω clevis spare, high-low pressure winding and last, the outer insulation of following Ω clevis spare connects.
Upper and lower, left and right Ω clevis spare is united fixing, and iron core is placed in the folder frame, makes the tight secure bond of iron core and folder, has strengthened whole mechanical strength, can also reduce noise.
All fixedly be equipped with on the outer of upper and lower Ω clevis spare and press nail, be disposed with disk spring and resin cushion block between described pressure nail and the corresponding high-low pressure winding, increased the anti-seismic performance of iron core.All be provided with axial air flue in high-low pressure winding inside, can play the effect of the cooling of ventilating, improved the heat radiation and the insulation property of transformer.Be provided with the sound absorbing layer of making by sound-absorbing material between described folder and the iron core, can reduce transformer noise.Have end play between described high pressure winding and the low pressure winding, in this end play insulating cylinder is housed, strengthened insulation property.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the utility model A-A is to cutaway view;
Fig. 3 is that the utility model B-B is to cutaway view.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
A kind of three-phase five-limb dry-type transformer, as Fig. 1, Fig. 2, shown in Figure 3, iron core 2 be by amorphous alloy strips through rolling compression moulding, according to the one or more iron core closed assemblies of design alternative, form the pentastyle iron core form.High pressure winding 13, the low pressure winding 15 of corresponding phase are sleeved on the iron core column of amorphous alloy iron core 2.On the low pressure winding 15 suit stem stems, high pressure winding 13 is sleeved on the outside of corresponding low pressure winding 15, the two sides of iron core 2 are equipped with left folder 5, right folder 6, the left and right sides folder is to be made of two corresponding vertical plate bending machining, the upper/lower terminal of left side folder 5, right folder 6 uses bolted respectively on Ω shape upper clamping piece 1, lower clamping piece 10, folder from top to bottom also is to be made of two transverse plate bending machining, folder from top to bottom clamps the left and right sides folder by bolt, and iron core 2 is fixed in the frame of four folders compositions.The cross section of four folders is Ω shape up and down, and iron core is fastened between the indent of upper and lower Ω clevis spare, and the high-low pressure winding is fastened between the outer of upper and lower Ω clevis spare, and the high-low pressure winding is connected with the outer insulation of upper and lower Ω clevis spare.Elasticity presses nail 18 to be installed on the outer of folder from top to bottom, on the upper and lower termination of high pressure winding 13 and low pressure winding 15 resin cushion block 9 is housed all, elasticity presses nail 18 that resin cushion block 9 and high and low pressure winding are fixed, and resin cushion block 9 separates high and low pressure winding and iron core 2.Elasticity presses the nail 18 and the junction of resin cushion block 6 to have disk spring 19, the vibrations when butterfly spring 19 can absorb transformer work, thus prevent that elasticity from pressing the loosening of nail 18 and resin cushion block 9.Be placed with sound-absorbing material 17 between iron core 2 and the upper and lower folder, noise of transformer is reduced.Suspension ring 4 are welded on the upper clamping piece 1, and lower clamping piece 10 is fixed on the base.Leave end play 16 between high pressure winding 13 and the low pressure winding 15, the insulating cylinder 14 that extends vertically is installed in the end play 16.High pressure winding 13 and low pressure winding 15 are provided with the axial air flue 22 of cooling channel in all, heat radiation and insulating capacity when improving the transformer operation.High pressure winding 13, low pressure winding 15 are made up of copper conductor 21 and pours 20, and the main component of pours 20 constitutes epoxy resin, silicon powder, glass tape, felt.Copper conductor 21 is cast among the pours 20, and the lead of copper conductor 21 is outwards drawn from the binding post 7 of the tap face of high pressure winding 13, connects to form the wiring of D shape by connecting rod 8.
Claims (5)
1. three-phase five-limb dry-type transformer, comprise five-limb amorphous alloy-iron core, be sleeved on three-phase low pressure winding and high pressure winding on the corresponding iron core, it is characterized in that, the iron core upper and lower, left and right are equipped with the folder that is used for fastening iron core, described folder cross section all is Ω shape, upper and lower folder is fixedlyed connected with left and right folder respectively by the screw of both sides, iron core is fastened between the indent of upper and lower Ω clevis spare, the high-low pressure winding is fastened between the outer of upper and lower Ω clevis spare, and the high-low pressure winding is connected with the outer insulation of upper and lower Ω clevis spare.
2. a kind of three-phase five-limb dry-type transformer according to claim 1 is characterized in that, all fixedly is equipped with on the outer of upper and lower Ω clevis spare to press nail, is disposed with disk spring and resin cushion block between described pressure nail and the corresponding high-low pressure winding.
3. a kind of three-phase five-limb dry-type transformer according to claim 1 is characterized in that, described high pressure winding and low pressure winding inside are equipped with axial air flue.
4. a kind of three-phase five-limb dry-type transformer according to claim 1 is characterized in that, is equipped with the sound absorbing layer of being made by sound-absorbing material between described upper and lower folder and the iron core.
5. a kind of three-phase five-limb dry-type transformer according to claim 1 is characterized in that, has end play between described high pressure winding and the low pressure winding, in this end play insulating cylinder is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205350742U CN201788796U (en) | 2010-09-19 | 2010-09-19 | Three-phase five-column dry transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205350742U CN201788796U (en) | 2010-09-19 | 2010-09-19 | Three-phase five-column dry transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788796U true CN201788796U (en) | 2011-04-06 |
Family
ID=43820753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205350742U Expired - Lifetime CN201788796U (en) | 2010-09-19 | 2010-09-19 | Three-phase five-column dry transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788796U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360839A (en) * | 2011-11-08 | 2012-02-22 | 江苏正佰电气有限公司 | Shockproof dry type transformer |
| CN103943322A (en) * | 2014-03-18 | 2014-07-23 | 国家电网公司 | 35 kV level oil-immersed type amorphous alloy power transformer |
| CN103971898A (en) * | 2014-05-27 | 2014-08-06 | 镇江天力变压器有限公司 | Three-frame five-pillar clamp structure for amorphous alloy dry-type transformer |
| CN105321671A (en) * | 2014-07-07 | 2016-02-10 | 郑州金源特变电气有限公司 | Novel efficient energy-saving open wound iron core dry type transformer |
| CN106469604A (en) * | 2015-08-25 | 2017-03-01 | 上海置信电气非晶有限公司 | A kind of new folder for amorphous oil immersion-type distribution transformer |
| CN107658112A (en) * | 2017-11-01 | 2018-02-02 | 江苏中天伯乐达变压器有限公司 | A kind of apparatus for fixing transformer device for preventing sudden short circuit |
-
2010
- 2010-09-19 CN CN2010205350742U patent/CN201788796U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360839A (en) * | 2011-11-08 | 2012-02-22 | 江苏正佰电气有限公司 | Shockproof dry type transformer |
| CN103943322A (en) * | 2014-03-18 | 2014-07-23 | 国家电网公司 | 35 kV level oil-immersed type amorphous alloy power transformer |
| CN103971898A (en) * | 2014-05-27 | 2014-08-06 | 镇江天力变压器有限公司 | Three-frame five-pillar clamp structure for amorphous alloy dry-type transformer |
| CN105321671A (en) * | 2014-07-07 | 2016-02-10 | 郑州金源特变电气有限公司 | Novel efficient energy-saving open wound iron core dry type transformer |
| CN106469604A (en) * | 2015-08-25 | 2017-03-01 | 上海置信电气非晶有限公司 | A kind of new folder for amorphous oil immersion-type distribution transformer |
| CN107658112A (en) * | 2017-11-01 | 2018-02-02 | 江苏中天伯乐达变压器有限公司 | A kind of apparatus for fixing transformer device for preventing sudden short circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |