CN201611601U - Amorphous alloy 10kV air-immersed transformer for solar electrical energy generation - Google Patents
Amorphous alloy 10kV air-immersed transformer for solar electrical energy generation Download PDFInfo
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- CN201611601U CN201611601U CN2010201090318U CN201020109031U CN201611601U CN 201611601 U CN201611601 U CN 201611601U CN 2010201090318 U CN2010201090318 U CN 2010201090318U CN 201020109031 U CN201020109031 U CN 201020109031U CN 201611601 U CN201611601 U CN 201611601U
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Abstract
The utility model discloses an amorphous alloy 10kV air-immersed transformer for solar electrical energy generation, which comprises an iron core, a three-phase coil winding, a frame, a bracket and a base, wherein the iron core comprises four square coiled iron cores which have opening and closable lower yokes and are arranged into a four-frame five-column structure; the coiled iron core is formed by coiling amorphous alloy strip; the three-phase coil winding is an integrated coil winding formed by a low-voltage winding and a high-voltage winding wound outside the three-phase coil winding and is respectively sleeved on the iron core poles adjacently connected to four parallel iron cores; and the frame is formed by an end clamp element outside two sides of the iron core and upper and lower clamps which are positioned on the upper and lower ends of the iron core and are respectively connected to the upper and lower ends of the end clamp element. The no-load loss of the utility model is 30% of the traditional silicone sheet iron core transformer so the energy consumption of the transformer is greatly lowered, the use efficiency of the energy source is promoted and the energy-saving effect is obtained.
Description
Technical field
The utility model relates to a kind of power transformer, is specifically related to a kind of solar power generation non-crystaline amorphous metal 10kV dry-type transformer.
Background technology
The dry-type transformer that uses in the solar power generation of at present traditional 10kV grade all is that the no-load loss of the type transformer is bigger with the transformer of silicon steel sheet as core material, can cause the waste of the higher energy, does not belong to the product of high energy saving category.
Simultaneously, the solar energy project of present domestic 10kV grade is in continuous expansion, therefore the market demand of such transformer rises day by day, but the current amorphous alloy dry-type solar-electricity transformer that does not still have the 10kV grade both at home and abroad, therefore can only use traditional with silicon steel sheet as the transformer of core material as power transformer, thereby bring a large amount of energy resource consumptions, be unfavorable for making full use of of the energy, do not meet the industry and the energy policy of country, also various countries, the incompatibility world today pay attention to the trend of environmental protection.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of solar power generation non-crystaline amorphous metal 10kV dry-type transformer is provided, its no-load loss is 30% of traditional silicon steel plate iron core transformer, thereby greatly reduced the energy resource consumption of transformer itself, improve the service efficiency of the energy, reached energy-conservation effect.
The technical scheme that realizes above-mentioned purpose is: a kind of solar power generation non-crystaline amorphous metal 10kV dry-type transformer, comprise iron core, be sleeved on A, B, C three-phase coil winding on the iron core, be used for fastening iron core and A, B, the framework of C three-phase coil winding, be used for the support of support frame and be used for fixing the base of support, wherein
Described iron core is made of the square opening volume iron core that four following yokes could open and close and be arranged in four frame pentastyle structures, and this volume iron core is reeled by amorphous alloy strips and formed;
Described A, B, C three-phase coil winding are respectively by the low pressure winding and are wound on the whole coil winding that the outer high pressure winding of low pressure winding constitutes, and they are set on the iron core column of described four iron core adjacency arranged side by side;
Described framework is laid respectively at the end folder outside the iron core both sides and is positioned at the iron core upper and lower side and constitutes with the upper and lower folder that is connected of upper and lower side of end folder respectively by a pair of, be provided with some cushion blocks between the upper surface of described upper clamping piece and A, B, C three-phase coil winding, described end folder and be provided with pressing plate and cushion packing between the iron core column of iron core both sides is respectively equipped with rubber packing between described lower clamping piece and iron core and the support.
Above-mentioned solar power generation is with non-crystaline amorphous metal 10kV dry-type transformer, wherein, is provided with elastic insert between the described two adjacent iron cores.
Above-mentioned solar power generation non-crystaline amorphous metal 10kV dry-type transformer, wherein, the isolated screen that is equipped with ground connection between the low pressure winding of described A, B, C three-phase coil winding and the high pressure winding.
Above-mentioned solar power generation is with non-crystaline amorphous metal 10kV dry-type transformer, wherein, and the A phase winding in described A, B, the C three-phase coil winding and the high pressure winding lateral surface of C phase winding and between the iron core column of iron core both sides, be provided with epoxy plate.
Above-mentioned solar power generation wherein, also comprises the low pressure busbar that is fixed under the lower clamping piece with non-crystaline amorphous metal 10kV dry-type transformer, and the bottom perforate of this low pressure busbar is fixed by securing member and lower clamping piece.
Above-mentioned solar power generation wherein, is equipped with the temperature monitoring instrument with non-crystaline amorphous metal 10kV dry-type transformer on the upper surface of described iron core.
Above-mentioned solar power generation wherein, is equipped with some typhoon machines with non-crystaline amorphous metal 10kV dry-type transformer on the described base.
Above-mentioned solar power generation wherein, has roller under the described base with non-crystaline amorphous metal 10kV dry-type transformer.
The beneficial effects of the utility model are: solar power generation of the present utility model has adopted non-crystaline amorphous metal as core material with non-crystaline amorphous metal 10kV dry-type transformer, thereby make that its no-load loss is 30% of traditional silicon steel plate iron core transformer, thereby greatly reduced the energy resource consumption of transformer itself, improve the service efficiency of the energy, reached energy-conservation effect.The temperature monitoring instrument has been installed on transformer in addition, has been used for accurately, reacts the temperature of Transformer Winding reliably, faithfully, thereby made the safe operation of transformer that higher guarantee arranged.In order to improve the capacity of transformer, on the base of transformer, blower fan has been installed simultaneously,, thereby has been made the output of transformer that raising arranged in order to raising transformer cooling effect.The installation of transformer for convenience and mobile is provided with roller under the base of transformer again, becomes easily thereby make the installation of transformer and move, and has improved the efficient of installment work.
Description of drawings
Fig. 1 is the structural representation of solar power generation of the present utility model with non-crystaline amorphous metal 10kV dry-type transformer;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the fixing schematic diagram in bottom of low pressure busbar in the utility model and lower clamping piece.
Embodiment
The utility model is described in further detail below in conjunction with drawings and embodiments.
See also Fig. 1 to Fig. 3, there is shown a kind of solar power generation of the present utility model non-crystaline amorphous metal 10kV dry-type transformer, comprise iron core 2, be sleeved on A, B, C three-phase coil winding 30 on the iron core 2, be used for fastening iron core 2 and A, B, C three-phase coil winding 30 framework, be used for the support 13 of support frame and be used for fixing the base 15 of support 13, wherein
A, B, C three-phase coil winding 30 are rectangle resin-cast lock-in type dry type winding constructions, connection set is Dyn11, A, B, C three-phase coil winding 30 are respectively by low pressure winding 302 and are wound on the whole coil winding that low pressure winding 302 outer high pressure windings 301 constitute, the isolated screen 12 that is equipped with ground connection between low pressure winding 302 and the high pressure winding 301; When instantaneous overvoltage appears in solar-electricity system high pressure electrical network, this isolated screen 12 can prevent that the low pressure winding 302 of solar-electricity transformer and the solar generator AC Windings that is connected and low voltage control system thereof from are attacked by overvoltage, guarantee the safe operation of solar energy transformer, solar generator and low voltage control system; A, B, C three-phase coil winding 30 are set on the iron core column of four volume iron core adjacency arranged side by side; High pressure winding 301 lateral surfaces of A phase winding and C phase winding and between the iron core column of iron core 2 both sides, be provided with epoxy plate 3;
Framework is used for fastening iron core 2 and A, B, C three-phase coil winding 30, and it is laid respectively at the end folder 6 iron core 2 both sides outside and be positioned at iron core 2 upper and lower sides and the upper and lower folder 1,7 that is connected with the upper and lower side of holding folder 6 respectively constitutes by a pair of; Be provided with some first cushion blocks 8 between the upper surface of upper clamping piece 1 and coil windings 30, hold folder 6 and between the iron core column of iron core 2 both sides, be provided with pressing plate and cushion packing (not shown), be lined with rubber packing 14 respectively between lower clamping piece 7 and iron core 2 and the support 13, to alleviate the noise of transformer when moving; Utilize special tool(s) that upper clamping piece 1, lower clamping piece 7 and end folder 6 are tightened up, by some cushion blocks 8 that three-phase coil winding 30 is firmly fixing, prevent three-phase coil winding 30 about, left and right directions moves; High pressure winding 301 lateral surfaces of A phase winding and C phase winding and between epoxy plate between the iron core column of iron core 2 both sides 3 and end folder 6 stretching each other, can prevent the displacement of three-phase coil winding 30, so that iron core 2 is not subjected to the influence of extraneous mechanical stress as far as possible in the left, right, front and rear direction;
Solar power generation of the present utility model is 10kV or 10.5kV with high pressure winding 301 electric pressures in the non-crystaline amorphous metal 10kV dry-type transformer, high pressure winding 301 adopts F level enamel-cover circle line or lenticular wire coiling, interlayer curing type DMD, around low pressure winding 302 outsides and low pressure winding jointly under vacuum resin-cast become lock-in type.Low pressure winding 302 voltages are 0.4kV, and low pressure winding 302 adopts Copper Foil or aluminium foil coiling, and interlayer self-adhering-type DMD draws with 18 welding of low pressure busbar; The temperature limit F level of whole winding winding 30 is 155 degree, has heatproof, protection against the tide, advantage such as fire-retardant; In the high-pressure side, the tap 4 of high pressure winding 301 makes things convenient for pressure regulation by 5 transposings of wiring copper sheet.High pressure winding outlet 9 is in the upper/lower terminal of high pressure winding 301, guides to after connection set Dyn11 connects on the insulator 11 on the upper clamping piece 1, makes things convenient for terminal block.
Solar power generation of the present utility model uses non-crystaline amorphous metal 10kV dry-type transformer when capacity is big, the low pressure lead-out wire some measures have fixedly been taked, at first in the 18 bottom perforates of low pressure busbar, fix with the low pressure winding former, low pressure busbar 18 must be combined with the low pressure Copper Foil is tightr, secondly at lower clamping piece 7 places, low pressure busbar 18 firmly must be fixed on the lower clamping piece 7 by second cushion block 181, rubber blanket 182, round nut 183, middle cushion block 184 and securing member 185, reduce vibrations, low pressure busbar 18 is a flat copper line.
Solar power generation of the present utility model has used non-crystaline amorphous metal as core material with non-crystaline amorphous metal 10kV dry-type transformer, thereby make that the no-load loss of transformer is 30% of traditional silicon steel plate iron core transformer, thereby greatly reduced the energy resource consumption of transformer itself, improve the service efficiency of the energy, reached energy-conservation effect.The silicon steel sheet dry-type power transformer of a 800kVA for example, its no-load loss is 1710W, and the amorphous alloy iron core dry power transformer of same levels is 480W.
Solar power generation of the present utility model has flexible fixing with whole iron core in the non-crystaline amorphous metal 10kV dry-type transformer 2 and framework, coil windings 30 also has rigid fixing with framework, therefore iron core 2 and coil windings 30 have fixed system separately, can reduce mutual stressing influence.When transformer suffered short circuit, the short circuit stress that coil windings 30 is suffered can be delivered to iron core 2 less, with after reducing iron core 2 and being subjected to stress, increased its no-load loss, so have huge energy-saving effect.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (8)
1. a solar power generation is with non-crystaline amorphous metal 10kV dry-type transformer, comprise iron core, be sleeved on A, B, C three-phase coil winding on the iron core, be used for fastening iron core and A, B, the framework of C three-phase coil winding, be used for the support of support frame and be used for fixing the base of support, it is characterized in that
Described iron core is made of the square opening volume iron core that four following yokes could open and close and be arranged in four frame pentastyle structures, and this volume iron core is reeled by amorphous alloy strips and formed;
Described A, B, C three-phase coil winding are respectively by the low pressure winding and are wound on the whole coil winding that the outer high pressure winding of low pressure winding constitutes, and they are set on the iron core column of described four iron core adjacency arranged side by side;
Described framework is laid respectively at the end folder outside the iron core both sides and is positioned at the iron core upper and lower side and constitutes with the upper and lower folder that is connected of upper and lower side of end folder respectively by a pair of, be provided with some cushion blocks between the upper surface of described upper clamping piece and A, B, C three-phase coil winding, described end folder and be provided with pressing plate and cushion packing between the iron core column of iron core both sides is respectively equipped with rubber packing between described lower clamping piece and iron core and the support.
2. solar power generation according to claim 1 is characterized in that with non-crystaline amorphous metal 10kV dry-type transformer, is provided with elastic insert between the described two adjacent iron cores.
3. solar power generation according to claim 1 is characterized in that the isolated screen that is equipped with ground connection between the low pressure winding of described A, B, C three-phase coil winding and the high pressure winding with non-crystaline amorphous metal 10kV dry-type transformer.
4. solar power generation according to claim 1 non-crystaline amorphous metal 10kV dry-type transformer, it is characterized in that the A phase winding in described A, B, the C three-phase coil winding and the high pressure winding lateral surface of C phase winding and between the iron core column of iron core both sides, be provided with epoxy plate.
5. solar power generation according to claim 1 is characterized in that with non-crystaline amorphous metal 10kV dry-type transformer also comprise the low pressure busbar that is fixed under the lower clamping piece, the bottom perforate of this low pressure busbar is fixed by securing member and lower clamping piece.
6. solar power generation according to claim 1 is characterized in that with non-crystaline amorphous metal 10kV dry-type transformer, the temperature monitoring instrument is installed on the upper surface of described iron core.
7. solar power generation according to claim 1 is characterized in that with non-crystaline amorphous metal 10kV dry-type transformer, some typhoon machines is installed on the described base.
8. solar power generation according to claim 1 is characterized in that with non-crystaline amorphous metal 10kV dry-type transformer, has roller under the described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201090318U CN201611601U (en) | 2010-02-05 | 2010-02-05 | Amorphous alloy 10kV air-immersed transformer for solar electrical energy generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201090318U CN201611601U (en) | 2010-02-05 | 2010-02-05 | Amorphous alloy 10kV air-immersed transformer for solar electrical energy generation |
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| Publication Number | Publication Date |
|---|---|
| CN201611601U true CN201611601U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201090318U Expired - Lifetime CN201611601U (en) | 2010-02-05 | 2010-02-05 | Amorphous alloy 10kV air-immersed transformer for solar electrical energy generation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225794A (en) * | 2015-08-28 | 2016-01-06 | 国家电网公司 | A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure |
| CN106683739A (en) * | 2016-11-18 | 2017-05-17 | 四川欣意迈科技有限公司 | Rare earth aluminum alloy wire material and transformer with wire material thereof |
-
2010
- 2010-02-05 CN CN2010201090318U patent/CN201611601U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225794A (en) * | 2015-08-28 | 2016-01-06 | 国家电网公司 | A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure |
| CN106683739A (en) * | 2016-11-18 | 2017-05-17 | 四川欣意迈科技有限公司 | Rare earth aluminum alloy wire material and transformer with wire material thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101020 |
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| CX01 | Expiry of patent term |