CN103824676A - Cooling system of transformer and cooling method adopting cooling system - Google Patents
Cooling system of transformer and cooling method adopting cooling system Download PDFInfo
- Publication number
- CN103824676A CN103824676A CN201210461069.5A CN201210461069A CN103824676A CN 103824676 A CN103824676 A CN 103824676A CN 201210461069 A CN201210461069 A CN 201210461069A CN 103824676 A CN103824676 A CN 103824676A
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- Prior art keywords
- cooling system
- pressure winding
- low pressure
- automatic control
- high pressure
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- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 238000004804 winding Methods 0.000 claims abstract description 60
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 abstract description 5
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a cooling system of a transformer. The transformer comprises an iron core, a low-voltage winding and a high-voltage winding. The cooling system comprises an air source and air passages, the air passages are arranged in interturn layers of the low-voltage winding and/or the high-voltage winding, and air streams of the air source flow through the air passages. Interlayer air circulation is realized by designing the air passages, namely adding insulating brace strips to winding interturn layers. The invention further discloses a cooling method of the transformer.
Description
Technical field
The present invention relates to a kind of cooling system of transformer, particularly relate to a kind of cooling means of transformer.
Background technology
Power transformer comprises iron core, low pressure winding and high pressure winding, general high voltage winding current is little, generate heat little, and heat is mainly produced by unshakable in one's determination and low pressure winding, frame is sprayed water automatically controlled power transformer because load (weft accumulator motor) impulse current is excessive at present, cause winding inter-turn temperature rise too high, insulation breakdown, cause winding interturn short-circuit, its short circuit current can increase by tens times, produces hard arc, make turn-to-turn insulation heavy damage, finally cause power transformer to burn, failure rate is high, can not meet the continuous operating condition of power transformer stable state.
Summary of the invention
For addressing the above problem, the invention provides a kind of cooling system that can carry out to the temperature of power transformer the transformer of better controlling.
Technical scheme of the present invention is as follows: a kind of cooling system of transformer, described transformer comprises iron core, low pressure winding and high pressure winding, described cooling system comprises wind regime and air channel, described air channel is located in the turn-to-turn layer of described low pressure winding and/or high pressure winding, and the air-flow of described wind regime is by described air channel.
Preferably, described cooling system also comprises fan housing, and described fan housing is provided with air inlet and air outlet, between described air outlet and wind passage mouth, is provided with blower fan, described air inlet, air channel and a gas flow loop of air outlet composition.
Preferably, be also provided with blower fan bearing part in described fan housing, described blower fan is located on described blower fan bearing part.
Preferably, described air channel is insulating stay, and described insulating stay is parallel to the axis of described iron core to be located in described low pressure winding and/or high pressure winding inter-turn layer, and the air-flow of described wind regime is by the axial cavity of described insulating stay.
Preferably, described insulating stay is at least one.
Preferably, described cooling system also comprises automatic control equipment, blower fan described in described automatic control equipment control connection.
Preferably, the focus place of described low pressure winding and/or high pressure winding is embedded with thermocouple, and described thermocouple is electrically connected described automatic control equipment.
Preferably, described automatic control equipment is also electrically connected with warning device.
The present invention also provides another technical scheme: a kind of cooling means of transformer, adopt cooling system as above, and comprise the following steps:
One, respond at any time the temperature of low pressure winding and/or high pressure winding by being embedded in the thermocouple at focus place of described low pressure winding and/or high pressure winding, if temperature lower than rated temperature-rise, control signal is not sent in described automatic control;
Two,, when temperature is during higher than rated temperature-rise, described automatic control equipment sends blower fan described in signal enabling, and described low pressure winding and/or high pressure winding are carried out cooling, until meet normal temperature rise.
Preferably, described step 2 also comprises: described automatic control equipment intelligent starting warning device is reported to the police, until meet normal temperature rise.
Adopt the beneficial effect of above technical scheme: one, transformer is by design air channel, and winding turns interbed increases insulating stay, allow interlayer air circulate; Two, the focus place of low pressure winding buries thermocouple underground, and temperature can be monitored at the operating display of automatic control equipment, and blower fan is received intelligent starting after signal, starts transformer to carry out cooling processing, until meet normal temperature rise; Three, when thermocouple exceedes rated temperature-rise, can report to the police.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic cross-section of low pressure winding unshakable in one's determination in the cooling system embodiment 1 of transformer disclosed by the invention;
Fig. 2 is the schematic cross-section of high pressure winding unshakable in one's determination in the cooling system embodiment 1 of transformer disclosed by the invention;
Fig. 3 is the structural representation of transformer in the cooling system embodiment 1 of transformer disclosed by the invention.
The title of the numeral in figure or the corresponding component of alphabetical representative:
1. winding 11. low pressure winding 12. high pressure winding 2. insulating stay 3. fan housing 31. air inlet 32. air outlet 4. blower fan 41. blower fan bearing part 5. thermocouple 51. lead-out wire 52. binding post 6. automatic control equipments unshakable in one's determination.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Referring to Fig. 1, as shown in legend wherein, a kind of cooling system of transformer, transformer comprises an iron core 1, a low pressure winding 2 and a high pressure winding 3, cooling system comprises:
Wind regime (not shown);
Some air channels, are insulating stay 4, and insulating stay 4 is parallel to the axis of iron core 1 to be located in low pressure winding 2 and/or high pressure winding 3 turn-to-turn layers, and the air-flow of wind regime is by the axial cavity of insulating stay 4;
Fan housing 5, is provided with air inlet 51 and air outlet 52, between air outlet 52 and the axial cavity mouth of insulating stay 4, is provided with blower fan 6 and blower fan bearing part 61, and blower fan 6 is located on blower fan bearing part 61; The axial cavity of air inlet 51, insulating stay 4 and air outlet 52 form a gas flow loop;
Thermocouple 7, is embedded in the focus place of low pressure winding 2 and/or high pressure winding 3; Automatic control equipment 8, by binding post 72 and lead-out wire 71 electric-connection thermal galvanic couples 7 and control connection blower fan 6;
Warning device (not shown), electrical connection control device 8.
Introduce operation principle of the present invention below.
The thermocouple 4 that is embedded in the focus place of low pressure winding 2 and/or high pressure winding 3 is responded to the temperature of low pressure winding 2 and/or high pressure winding 3 at any time, when temperature is during higher than rated temperature-rise, temperature is in the demonstration screen display of automatic control equipment 8, and make automatic control equipment 8 intelligent starting blower fans 6, blower fan 6 carries out cooling to low pressure winding 2 and/or high pressure winding 3, until meet normal temperature rise, and simultaneously, automatic control equipment 8 intelligent starting warning devices are reported to the police, until meet normal temperature rise.
Embodiment 2
All the other are identical with described embodiment 1, and difference is, cooling system does not comprise warning device.
All the other are identical with described embodiment 2, and difference is, cooling system does not comprise automatic control equipment.
Embodiment 4
All the other are identical with described embodiment 3, and difference is, cooling system does not comprise thermocouple.
Embodiment 5
All the other are identical with described embodiment 4, and difference is, cooling system does not comprise fan housing.
Adopt the beneficial effect of above technical scheme: one, power transformer passes through design air channel, winding turns interbed increases insulation title bar, allows interlayer air circulate; Two, the focus place of low pressure winding buries thermocouple underground, and temperature can be monitored at the operating display of automatic control equipment, and blower fan is received intelligent starting after signal, starts transformer to carry out cooling processing, until meet normal temperature rise; Three, when thermocouple exceedes rated temperature-rise, can report to the police.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the cooling system of a transformer, described transformer comprises iron core, low pressure winding and high pressure winding, it is characterized in that, described cooling system comprises wind regime and air channel, described air channel is located in the turn-to-turn layer of described low pressure winding and/or high pressure winding, and the air-flow of described wind regime is by described air channel.
2. cooling system according to claim 1, it is characterized in that, described cooling system also comprises fan housing, and described fan housing is provided with air inlet and air outlet, between described air outlet and wind passage mouth, be provided with blower fan, described air inlet, air channel and a gas flow loop of air outlet composition.
3. cooling system according to claim 2, is characterized in that, is also provided with blower fan bearing part in described fan housing, and described blower fan is located on described blower fan bearing part.
4. according to the cooling system described in claim 2 or 3, it is characterized in that, described air channel is insulating stay, and described insulating stay is parallel to the axis of described iron core to be located in described low pressure winding and/or high pressure winding inter-turn layer, and the air-flow of described wind regime is by the axial cavity of described insulating stay.
5. cooling system according to claim 4, is characterized in that, described insulating stay is at least one.
6. cooling system according to claim 5, is characterized in that, described cooling system also comprises automatic control equipment, blower fan described in described automatic control equipment control connection.
7. cooling system according to claim 6, is characterized in that, the focus place of described low pressure winding and/or high pressure winding is embedded with thermocouple, and described thermocouple is electrically connected described automatic control equipment.
8. cooling system according to claim 7, is characterized in that, described automatic control equipment is also electrically connected with warning device.
9. a cooling means for transformer, is characterized in that, adopts cooling system as claimed in claim 8, comprises the following steps:
One, respond at any time the temperature of low pressure winding and/or high pressure winding by being embedded in the thermocouple at focus place of described low pressure winding and/or high pressure winding, if temperature lower than rated temperature-rise, control signal is not sent in described automatic control;
Two,, when temperature is during higher than rated temperature-rise, described automatic control equipment sends blower fan described in signal enabling, and described low pressure winding and/or high pressure winding are carried out cooling, until meet normal temperature rise.
10. cooling means according to claim 9, is characterized in that, described step 2 also comprises: described automatic control equipment intelligent starting warning device is reported to the police, until meet normal temperature rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461069.5A CN103824676B (en) | 2012-11-16 | 2012-11-16 | A kind of cooling system of transformer and adopt the cooling means of this cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461069.5A CN103824676B (en) | 2012-11-16 | 2012-11-16 | A kind of cooling system of transformer and adopt the cooling means of this cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103824676A true CN103824676A (en) | 2014-05-28 |
| CN103824676B CN103824676B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210461069.5A Expired - Fee Related CN103824676B (en) | 2012-11-16 | 2012-11-16 | A kind of cooling system of transformer and adopt the cooling means of this cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103824676B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0695489B2 (en) * | 1989-10-04 | 1994-11-24 | 株式会社東芝 | Gas insulated transformer |
| CN2870100Y (en) * | 2005-12-20 | 2007-02-14 | 钟诗成 | Axial-feeding-air transformer |
| CN202488007U (en) * | 2012-04-10 | 2012-10-10 | 佛山南海电力设计院工程有限公司 | Intelligent ventilation system for main transformer room |
| CN102832015A (en) * | 2011-06-14 | 2012-12-19 | 富士电机株式会社 | Cooling device of tranformer |
| CN202917289U (en) * | 2012-11-16 | 2013-05-01 | 苏州御能动力科技有限公司 | Cooling system of transformer |
-
2012
- 2012-11-16 CN CN201210461069.5A patent/CN103824676B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0695489B2 (en) * | 1989-10-04 | 1994-11-24 | 株式会社東芝 | Gas insulated transformer |
| CN2870100Y (en) * | 2005-12-20 | 2007-02-14 | 钟诗成 | Axial-feeding-air transformer |
| CN102832015A (en) * | 2011-06-14 | 2012-12-19 | 富士电机株式会社 | Cooling device of tranformer |
| CN202488007U (en) * | 2012-04-10 | 2012-10-10 | 佛山南海电力设计院工程有限公司 | Intelligent ventilation system for main transformer room |
| CN202917289U (en) * | 2012-11-16 | 2013-05-01 | 苏州御能动力科技有限公司 | Cooling system of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103824676B (en) | 2016-05-04 |
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Owner name: INVT INDUSTRIAL TECHNOLOGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI YUNENG POWER TECHNOLOGIES, LNC. Effective date: 20150908 |
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Effective date of registration: 20150908 Address after: 200120 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 351 Building No. 2 room 690-8 Applicant after: INVT INDUSTRIAL TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: Suzhou City, Jiangsu province 215000 high tech Industrial Development Zone of Suzhou science and Technology City kolding Road No. 78 Applicant before: Suzhou Kinway Technologies Inc. |
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Granted publication date: 20160504 |