CN104900379A - Oil immersed transformer - Google Patents
Oil immersed transformer Download PDFInfo
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- CN104900379A CN104900379A CN201510245349.6A CN201510245349A CN104900379A CN 104900379 A CN104900379 A CN 104900379A CN 201510245349 A CN201510245349 A CN 201510245349A CN 104900379 A CN104900379 A CN 104900379A
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- pressure winding
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Abstract
The invention provides an oil immersed transformer which comprises an iron core, a winding, a sealed transformer box, transformer oil and radiating water pipes. The winding sleeves the iron core, the transformer box is used for containing the iron core and the winding and filled with the transformer oil, the radiating water pipes are parallelly arranged on the side wall of the transformer box, each radiating water pipe comprises a water inlet and a water outlet, the water inlets are lower than the water outlets and connected with the water outlets outside the transformer box through heat exchange devices, each heat exchange device comprises a hot water recycling box, a cold water supply box and a cooling water pipe, the hot water recycling boxes are communicated with the water outlets, the cold water supply boxes are communicated with the water inlets, the cooling water pipes are connected among the hot water recycling boxes and the cold water supply boxes, so that a cooling system is added to assist in temperature reduction of the transformer oil, a cooling circuit is formed, the transformer oil is recycled, and cost is low. The oil immersed transformer is simple in structure, high in practicability and low in cost.
Description
Technical field
The invention belongs to wind-powered electricity generation and photovoltaic art, particularly a kind of oil-immersed type transformer.
Background technology
Transformer is requisite equipment in the middle of circuit transmission, transformer can be divided into distribution transformer by purposes, power transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-filled transformer, single-phase transformer, furnace transformer, rectifier transformer, general oil-filled transformer in use, transformer oil can be filled play to increase to transformer and insulate and play the effect of cooling in the middle of shell, the shell of general oil-filled transformer also can connect the cooler of one piece of hollow, be connected by upper oil pipe and lower oil pipe between cooler with shell, when oil temperature in the middle of shell raises, transformer oil can enter in the middle of cooler from oil pipe, mixed with cold heat transformer oil by the heat transformer oil of heat, oil temperature is declined, but common oil-filled transformer carries out conducting to oil directly contact just common, make the mixing velocity of transformer oil slow, the temperature fall off rate of transformer oil becomes slow.And the temperature of transformer oil has very large impact for useful life of transformer and operating efficiency.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
In order to realize these objects of the present invention and other advantage, the invention provides a kind of oil-immersed type transformer, it comprises iron core and is set in the winding on described iron core, also comprises:
For holding the transformer-cabinet of described iron core and described winding, it is hermetically-sealed construction;
Transformer oil, it is filled in described transformer-cabinet;
Heat dissipation pipe, what it was arranged in parallel is arranged on the sidewall of described transformer-cabinet, and described heat dissipation pipe comprises a water inlet and a delivery port, described water inlet is lower than described delivery port, and described water inlet and described delivery port are connected by a heat-exchanger rig described transformer tank is external, described heat-exchanger rig comprises the Recovery of the hot water case be communicated with described delivery port, the cold feed case be communicated with described water inlet, and the cooling water pipe be connected between described Recovery of the hot water case and described cold feed case, increase so again a set of cooling system and help transformer oil cooling, and form a cooling circuit, realization recycles, cost is low.
Preferably, in described oil-immersed type transformer, described heat dissipation pipe is arranged at intervals with extension diameter section and undergauge section, increases the area of dissipation of heat dissipation pipe, and then accelerate the cooling of transformer oil.
Preferably, in described oil-immersed type transformer, described heat dissipation pipe surface is also provided with multiple spherical protuberances, increases the area of dissipation of heat dissipation pipe, and then accelerates the cooling of transformer oil.
Preferably, in described oil-immersed type transformer, described winding comprises coaxial mounted low pressure winding and high pressure winding, described high pressure winding is positioned at the outside of described low pressure winding, described low pressure winding and described high pressure winding are provided with insulating barrier, described insulating barrier comprises from the inside to the outside: at least one deck first gummed paper, corrugated board, cellular board and at least one deck second point gummed paper, corrugated board and cellular board are hollow structure, can increase area of dissipation.
Preferably, in described oil-immersed type transformer, described first gummed paper, described corrugated board, between described cellular board and described second point gummed paper, pass through resin bonding.
Preferably, in described oil-immersed type transformer, be also provided with the support for supporting described iron core and described winding in described transformer-cabinet, described support is that glass fiber textile composite material is made.Glass fibre is non-conductive fibre, can avoid electric leakage accident, and glass fiber textile composite material strength is high, long service life.
Preferably, in described oil-immersed type transformer, described low pressure winding comprises the first low pressure winding, the second low pressure winding and the 3rd low pressure winding, and described first low pressure winding comprises the first winding and the second winding, and described first winding and described second winding are connected to each other; Described second low pressure winding comprises the tertiary winding and the 4th winding, and the described tertiary winding and described 4th winding are connected to each other; Wherein, described iron core width upwards the described tertiary winding be positioned at the outside of described first winding, described second winding is positioned at the outside of described 4th winding; Adjacent with described second low pressure winding at axially described 4th winding of described iron core, described second winding is adjacent with described second low pressure winding; Described first low pressure winding and mutual insulating between described second low pressure winding and the 3rd low pressure winding, effectively can reduce the height of axially low pressure winding, high pressure winding and iron core, and this oil-filled transformer volume is little, the integral-filled coefficient of high pressure winding is high, can save material, and capacity is high, cost is low, insulation degree is high, good heat dissipation, to bear voltge surge ability strong.
The invention provides a kind of oil-immersed type transformer, it comprises iron core and is set in the winding on described iron core, and also comprise: for holding the transformer-cabinet of described iron core and described winding, it is hermetically-sealed construction, transformer oil, it is filled in described transformer-cabinet, heat dissipation pipe, what it was arranged in parallel is arranged on the sidewall of described transformer-cabinet, and described heat dissipation pipe comprises a water inlet and a delivery port, described water inlet is lower than described delivery port, and described water inlet and described delivery port are connected by a heat-exchanger rig described transformer tank is external, described heat-exchanger rig comprises the Recovery of the hot water case be communicated with described delivery port, the cold feed case be communicated with described water inlet, and the cooling water pipe be connected between described Recovery of the hot water case and described cold feed case, increase so again a set of cooling system and help transformer oil cooling, and form a cooling circuit, realization recycles, cost is low.Structure of the present invention is simple, practical, and cost is low.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil-immersed type transformer provided by the invention;
Fig. 2 is the winding construction schematic diagram of oil-immersed type transformer provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in Figure 1, the invention provides a kind of oil-immersed type transformer, it winding 2 comprising iron core 1 and be set on described iron core 1, also comprise:
For holding the transformer-cabinet 3 of described iron core 1 and described winding 2, it is hermetically-sealed construction;
Transformer oil, it is filled in described transformer-cabinet 3;
Heat dissipation pipe 4, what it was arranged in parallel is arranged on the sidewall of described transformer-cabinet 3, and described heat dissipation pipe 4 comprises water inlet 401 and a delivery port 402, described water inlet 401 is lower than described delivery port 402, and described water inlet 401 is connected by a heat-exchanger rig 5 outside described transformer-cabinet 3 with described delivery port 402, described heat-exchanger rig comprises the Recovery of the hot water case be communicated with described delivery port, the cold feed case be communicated with described water inlet, and the cooling water pipe be connected between described Recovery of the hot water case and described cold feed case, increase so again a set of cooling system and help transformer oil cooling, and form a cooling circuit, realization recycles, cost is low.
In described oil-immersed type transformer, described heat dissipation pipe 4 is arranged at intervals with extension diameter section and undergauge section, increases the area of dissipation of heat dissipation pipe, and then accelerate the cooling of transformer oil.
In described oil-immersed type transformer, described heat dissipation pipe 4 surface is also provided with multiple spherical protuberances, increases the area of dissipation of heat dissipation pipe, and then accelerates the cooling of transformer oil.
In described oil-immersed type transformer, described winding 2 comprises coaxial mounted low pressure winding 202 and high pressure winding 201, described high pressure winding 201 is positioned at the outside of described low pressure winding 202, described low pressure winding 202 and described high pressure winding 201 are provided with insulating barrier, described insulating barrier comprises from the inside to the outside: at least one deck first gummed paper, corrugated board, cellular board and at least one deck second point gummed paper, corrugated board and cellular board are hollow structure, can increase area of dissipation.
In described oil-immersed type transformer, described first gummed paper, described corrugated board, between described cellular board and described second point gummed paper, pass through resin bonding.
In described oil-immersed type transformer, be also provided with the support for supporting described iron core 1 and described winding 2 in described transformer-cabinet 3, described support is that glass fiber textile composite material is made.Glass fibre is non-conductive fibre, can avoid electric leakage accident, and glass fiber textile composite material strength is high, long service life.
In described oil-immersed type transformer, described low pressure winding 202 comprises the first low pressure winding 2021, second low pressure winding 2022 and the 3rd low pressure winding 2023, described first low pressure winding comprises the first winding and the second winding, and described first winding and described second winding are connected to each other; Described second low pressure winding comprises the tertiary winding and the 4th winding, and the described tertiary winding and described 4th winding are connected to each other; Wherein, described iron core width upwards the described tertiary winding be positioned at the outside of described first winding, described second winding is positioned at the outside of described 4th winding; Adjacent with described second low pressure winding at axially described 4th winding of described iron core, described second winding is adjacent with described second low pressure winding; Described first low pressure winding and mutual insulating between described second low pressure winding and the 3rd low pressure winding, effectively can reduce the height of axially low pressure winding, high pressure winding and iron core, and this oil-filled transformer volume is little, the integral-filled coefficient of high pressure winding is high, can save material, and capacity is high, cost is low, insulation degree is high, good heat dissipation, to bear voltge surge ability strong.
The invention provides a kind of oil-immersed type transformer, it comprises iron core and is set in the winding on described iron core, and also comprise: for holding the transformer-cabinet of described iron core and described winding, it is hermetically-sealed construction, transformer oil, it is filled in described transformer-cabinet, heat dissipation pipe, what it was arranged in parallel is arranged on the sidewall of described transformer-cabinet, and described heat dissipation pipe comprises a water inlet and a delivery port, described water inlet is lower than described delivery port, and described water inlet and described delivery port are connected by a heat-exchanger rig described transformer tank is external, described heat-exchanger rig comprises the Recovery of the hot water case be communicated with described delivery port, the cold feed case be communicated with described water inlet, and the cooling water pipe be connected between described Recovery of the hot water case and described cold feed case, increase so again a set of cooling system and help transformer oil cooling, and form a cooling circuit, realization recycles, cost is low.Structure of the present invention is simple, practical, and cost is low.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present invention.Application of the present invention, modifications and variations be will be readily apparent to persons skilled in the art.
Although embodiment of the present invention are open as above, it is not restricted to listed in specification and execution mode utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. an oil-immersed type transformer, it comprises iron core and is set in the winding on described iron core, it is characterized in that, also comprises:
For holding the transformer-cabinet of described iron core and described winding, it is hermetically-sealed construction;
Transformer oil, it is filled in described transformer-cabinet;
Heat dissipation pipe, what it was arranged in parallel is arranged on the sidewall of described transformer-cabinet, and described heat dissipation pipe comprises a water inlet and a delivery port, described water inlet is lower than described delivery port, and described water inlet and described delivery port are connected by a heat-exchanger rig described transformer tank is external, described heat-exchanger rig comprises the cold feed case that the Recovery of the hot water case that is communicated with described delivery port is communicated with described water inlet and the cooling water pipe be connected between described Recovery of the hot water case and described cold feed case.
2. oil-immersed type transformer as claimed in claim 1, is characterized in that, described heat dissipation pipe is arranged at intervals with extension diameter section and undergauge section.
3. oil-immersed type transformer as claimed in claim 1, it is characterized in that, described heat dissipation pipe surface is also provided with multiple spherical protuberances.
4. oil-immersed type transformer as claimed in claim 1, it is characterized in that, described winding comprises coaxial mounted low pressure winding and high pressure winding, described high pressure winding is positioned at the outside of described low pressure winding, described low pressure winding and described high pressure winding are provided with insulating barrier, and described insulating barrier comprises from the inside to the outside: at least one deck first gummed paper, corrugated board, cellular board and at least one deck second point gummed paper.
5. oil-immersed type transformer as claimed in claim 4, is characterized in that, described first gummed paper, described corrugated board, passes through resin bonding between described cellular board and described second point gummed paper.
6. oil-immersed type transformer as claimed in claim 1, it is characterized in that, being also provided with the support for supporting described iron core and described winding in described transformer-cabinet, described support is that glass fiber textile composite material is made.
7. oil-immersed type transformer as claimed in claim 4, it is characterized in that, described low pressure winding comprises the first low pressure winding, the second low pressure winding and the 3rd low pressure winding, and described first low pressure winding comprises the first winding and the second winding, and described first winding and described second winding are connected to each other; Described second low pressure winding comprises the tertiary winding and the 4th winding, and the described tertiary winding and described 4th winding are connected to each other; Wherein, described iron core width upwards the described tertiary winding be positioned at the outside of described first winding, described second winding is positioned at the outside of described 4th winding; Adjacent with described second low pressure winding at axially described 4th winding of described iron core, described second winding is adjacent with described second low pressure winding; Described first low pressure winding and mutual insulating between described second low pressure winding and the 3rd low pressure winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245349.6A CN104900379A (en) | 2015-05-14 | 2015-05-14 | Oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245349.6A CN104900379A (en) | 2015-05-14 | 2015-05-14 | Oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104900379A true CN104900379A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510245349.6A Pending CN104900379A (en) | 2015-05-14 | 2015-05-14 | Oil immersed transformer |
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| CN (1) | CN104900379A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816271A (en) * | 2017-03-21 | 2017-06-09 | 道真自治县金林科技有限公司 | High frequency transformer |
| CN106849617A (en) * | 2017-03-29 | 2017-06-13 | 许继电源有限公司 | High-voltage switch power supply device and its heat dissipation tank |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10270259A (en) * | 1997-03-28 | 1998-10-09 | Nippon Kinzoku Co Ltd | Liquid-cooled reactor |
| CN202084383U (en) * | 2011-04-14 | 2011-12-21 | 河南勃达微波设备有限责任公司 | Novel water-pipe-type cooling device for oil-immersed water-cooled transformer |
| CN202258735U (en) * | 2011-10-19 | 2012-05-30 | 浙江电力变压器有限公司 | Insulating structure of transformer coil |
| CN202758709U (en) * | 2012-07-10 | 2013-02-27 | 河南勃达微波设备有限责任公司 | Transformer cooling device for microwave equipment |
| CN103268806A (en) * | 2013-06-06 | 2013-08-28 | 国家电网公司 | 10kV oil-immersed transformer |
| CN203242469U (en) * | 2012-10-18 | 2013-10-16 | 特变电工股份有限公司 | Oil-immersed transformer |
| CN203277034U (en) * | 2013-05-25 | 2013-11-06 | 精达电器集团浙江变压器有限公司 | Oil immersed type distribution transformer radiator |
| CN203351342U (en) * | 2013-06-22 | 2013-12-18 | 浙江申工变压器制造有限公司 | Oil-immersed transformer with water circulation cooling device |
| CN204242761U (en) * | 2014-12-10 | 2015-04-01 | 广发电器集团有限公司 | Water circulation self cool triangle volume iron transformer |
| CN204596581U (en) * | 2015-05-14 | 2015-08-26 | 柳州索能特种变压器有限责任公司 | A kind of oil-immersed type transformer |
-
2015
- 2015-05-14 CN CN201510245349.6A patent/CN104900379A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10270259A (en) * | 1997-03-28 | 1998-10-09 | Nippon Kinzoku Co Ltd | Liquid-cooled reactor |
| CN202084383U (en) * | 2011-04-14 | 2011-12-21 | 河南勃达微波设备有限责任公司 | Novel water-pipe-type cooling device for oil-immersed water-cooled transformer |
| CN202258735U (en) * | 2011-10-19 | 2012-05-30 | 浙江电力变压器有限公司 | Insulating structure of transformer coil |
| CN202758709U (en) * | 2012-07-10 | 2013-02-27 | 河南勃达微波设备有限责任公司 | Transformer cooling device for microwave equipment |
| CN203242469U (en) * | 2012-10-18 | 2013-10-16 | 特变电工股份有限公司 | Oil-immersed transformer |
| CN203277034U (en) * | 2013-05-25 | 2013-11-06 | 精达电器集团浙江变压器有限公司 | Oil immersed type distribution transformer radiator |
| CN103268806A (en) * | 2013-06-06 | 2013-08-28 | 国家电网公司 | 10kV oil-immersed transformer |
| CN203351342U (en) * | 2013-06-22 | 2013-12-18 | 浙江申工变压器制造有限公司 | Oil-immersed transformer with water circulation cooling device |
| CN204242761U (en) * | 2014-12-10 | 2015-04-01 | 广发电器集团有限公司 | Water circulation self cool triangle volume iron transformer |
| CN204596581U (en) * | 2015-05-14 | 2015-08-26 | 柳州索能特种变压器有限责任公司 | A kind of oil-immersed type transformer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816271A (en) * | 2017-03-21 | 2017-06-09 | 道真自治县金林科技有限公司 | High frequency transformer |
| CN106816271B (en) * | 2017-03-21 | 2018-06-29 | 道真自治县金林科技有限公司 | High frequency transformer |
| CN106849617A (en) * | 2017-03-29 | 2017-06-13 | 许继电源有限公司 | High-voltage switch power supply device and its heat dissipation tank |
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Application publication date: 20150909 |