CN103824676B - A kind of cooling system of transformer and adopt the cooling means of this cooling system - Google Patents
A kind of cooling system of transformer and adopt the cooling means of this cooling system Download PDFInfo
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- CN103824676B CN103824676B CN201210461069.5A CN201210461069A CN103824676B CN 103824676 B CN103824676 B CN 103824676B CN 201210461069 A CN201210461069 A CN 201210461069A CN 103824676 B CN103824676 B CN 103824676B
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Abstract
The invention discloses 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, the air-flow of described wind regime is by described air channel, and power transformer is by design air channel, and winding turns interbed increases insulating stay, allow interlayer air circulate, the invention also discloses a kind of cooling means of transformer.
Description
Technical field
The present invention relates to a kind of cooling system of transformer, particularly relate to the cold of a kind of transformerBut method.
Background technology
Power transformer comprises iron core, low pressure winding and high pressure winding, general high voltage winding electricFlow littlely, generate heat little, and heat is mainly produced by unshakable in one's determination and low pressure winding, frame water spray is electric at presentThe power transformer of control, because load (weft accumulator motor) dash current is excessive, causes winding turnsBetween temperature rise too high, insulation breakdown, causes winding interturn short-circuit, its short circuit current can increase by tensDoubly, produce hard arc, make turn-to-turn insulation heavy damage, finally cause power transformer to burn,Fault 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 can carrying out the temperature of power transformerThe cooling system of the transformer of better controlling.
Technical scheme of the present invention is as follows: a kind of cooling system of transformer, described transformer bagDraw together iron core, low pressure winding and high pressure winding, described cooling system comprises wind regime and air channel, instituteState air channel and be located in the turn-to-turn layer of described low pressure winding and/or high pressure winding, the gas of described wind regimeStream is by described air channel.
Preferably, described cooling system also comprises fan housing, and described fan housing is provided with air inlet and air-outMouthful, between described air outlet and wind passage mouth, be provided with blower fan, described air inlet, air channel and go outA gas flow loop of air port composition.
Preferably, be also provided with blower fan bearing part in described fan housing, described blower fan is located at described blower fanOn bearing part.
Preferably, described air channel is insulating stay, and described insulating stay is parallel to described iron coreAxis is located in described low pressure winding and/or high pressure winding inter-turn layer, and the air-flow of described wind regime is logicalCross the axial cavity of described insulating stay.
Preferably, described insulating stay is at least one.
Preferably, described cooling system also comprises automaton, described automatonBlower fan described in control connection.
Preferably, the focus place of described low pressure winding and/or high pressure winding is embedded with thermocouple,Described thermocouple is electrically connected described automaton.
Preferably, described automaton is also electrically connected with warning device.
The present invention also provides another technical scheme: a kind of cooling means of transformer, adopt asThe cooling system of the above, comprises the following steps:
One, by being embedded in the thermocouple at focus place of described low pressure winding and/or high pressure windingRespond at any time the temperature of 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 automaton sends signal enablingDescribed blower fan, and described low pressure winding and/or high pressure winding are carried out cooling, until meetNormal temperature rise.
Preferably, described step 2 also comprises: described automaton intelligent starting is reported to the police and filledPut and report to the police, until meet normal temperature rise.
Adopt the beneficial effect of above technical scheme: one, transformer by design air channel, aroundGroup turn-to-turn layer increases insulating stay, allows interlayer air circulate; Two, bury at the focus place of low pressure windingIf thermocouple, makes temperature can be monitored at the operating display of automaton, blower fanReceive intelligent starting after signal, start transformer to carry out cooling processing, until meet positive normal temperatureRise; Three, when thermocouple exceedes rated temperature-rise, can report to the police.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, belowTo the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, aobvious andEasily insight, the accompanying drawing in the following describes is only some embodiments of the present invention, for this areaThose of ordinary skill, is not paying under the prerequisite of creative work, can also be according to theseAccompanying drawing obtains other accompanying drawing.
Fig. 1 is low pressure winding unshakable in one's determination in the cooling system embodiment 1 of transformer disclosed by the inventionSchematic cross-section;
Fig. 2 is high pressure winding unshakable in one's determination in the cooling system embodiment 1 of transformer disclosed by the inventionSchematic cross-section;
Fig. 3 is the structure of transformer in the cooling system embodiment 1 of transformer disclosed by the inventionSchematic diagram.
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. wind unshakable in one's determinationCover 31. air inlet 32. air outlet 4. blower fan 41. blower fan bearing part 5. thermocouples51. lead-out wire 52. binding post 6. automatons.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present inventionCase is clearly and completely described, and obviously, described embodiment is only one of the present inventionDivide embodiment, instead of whole embodiment. Based on the embodiment in the present invention, this area is generalLogical technical staff is not making the every other embodiment obtaining under creative work prerequisite,All 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 bagDraw together 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 and is located atIn low pressure winding 2 and/or high pressure winding 3 turn-to-turn layers, the air-flow of wind regime is by insulating stay 4Axial cavity;
Fan housing 5, is provided with air inlet 51 and air outlet 52, air outlet 52 and insulating stay 4Between axial cavity mouth, be provided with blower fan 6 and blower fan bearing part 61, blower fan 6 is located at blower fan bearing partOn 61; The axial cavity of air inlet 51, insulating stay 4 and air outlet 52 form a gasFlow back to road;
Thermocouple 7, is embedded in the focus place of low pressure winding 2 and/or high pressure winding 3;
Automaton 8, by binding post 72 and lead-out wire 71 electric-connection thermal galvanic couples 7And 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 felt at any timeAnswer the temperature of low pressure winding 2 and/or high pressure winding 3, when temperature is during higher than rated temperature-rise, temperatureSpend the demonstration screen display at automaton 8, and automaton 8 intelligence are openedMoving blower fan 6, blower fan 6 carries out cooling to low pressure winding 2 and/or high pressure winding 3, until meetNormal temperature rise, meanwhile, automaton 8 intelligent starting warning devices are reported to the police, untilMeet normal temperature rise.
Embodiment 2
All the other are identical with described embodiment 1, and difference is, cooling system does not comprise warningDevice.
Embodiment 3
All the other are identical with described embodiment 2, and difference is, cooling system does not comprise automaticallyControl device.
Embodiment 4
All the other are identical with described embodiment 3, and difference is, cooling system does not comprise thermoelectricityEven.
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,Be that winding turns interbed increases insulation title bar, allow interlayer air circulate; Two, the focus of low pressure windingPlace buries thermocouple underground, and temperature can be monitored at the operating display of automaton,Blower fan is received intelligent starting after signal, starts transformer to carry out cooling processing, until just meetNormal temperature liter; 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 stating in the disclosed embodimentsBright, make professional and technical personnel in the field can realize or use the present invention. To these embodiment'sMultiple amendment will be apparent for those skilled in the art, determine hereinThe General Principle of justice can be in the situation that not departing from the spirit or scope of the present invention, at other in factExecute in example and realize. Therefore, the present invention will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a cooling system for transformer, described transformer comprises iron core, low pressure winding and heightPress winding, it is characterized in that, described cooling system comprises wind regime and air channel, and institute is located in described air channelState in the turn-to-turn layer of low pressure winding and/or high pressure winding, the air-flow of described wind regime is by described air channel;Described cooling system also comprises fan housing, and described fan housing is provided with air inlet and air outlet, described air outletAnd between wind passage mouth, being provided with blower fan, described air inlet, air channel and air outlet form an air-flowLoop; Described cooling system also comprises automaton, described automaton control connectionDescribed blower fan; The focus place of described low pressure winding and/or high pressure winding is embedded with thermocouple, described heatGalvanic couple is electrically connected described automaton.
2. cooling system according to claim 1, is characterized in that, in described fan housing, also establishesHave blower fan bearing part, described blower fan is located on described blower fan bearing part.
3. cooling system according to claim 1 and 2, is characterized in that, described air channel isInsulating stay, the axis that described insulating stay is parallel to described iron core be located at described low pressure winding and/orIn high pressure winding inter-turn layer, the air-flow of described wind regime is by the axial cavity of described insulating stay.
4. cooling system according to claim 3, is characterized in that, described insulating stay extremelyBe less one.
5. cooling system according to claim 3, is characterized in that, described automatic control dressPut and be also electrically connected with warning device.
6. a cooling means for transformer, is characterized in that, adopts as claim 1 to 5 timesA described cooling system, comprises the following steps:
One, by be embedded in described low pressure winding and/or high pressure winding focus place thermocouple at any timeThe temperature of induction low pressure winding and/or high pressure winding, if temperature is lower than rated temperature-rise, certainly describedControl signal is not sent in moving control;
Two, when temperature is during higher than rated temperature-rise, described automaton sends signal enabling instituteState blower fan, and described low pressure winding and/or high pressure winding are carried out cooling, until meet positive normal temperatureRise.
7. cooling means according to claim 6, is characterized in that, described step 2 is also wrappedDraw together: described automaton 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN103824676A CN103824676A (en) | 2014-05-28 |
| CN103824676B true CN103824676B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210461069.5A Active CN103824676B (en) | 2012-11-16 | 2012-11-16 | A kind of cooling system of transformer and adopt the cooling means of this cooling system |
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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 active Active
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 |
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| Publication number | Publication date |
|---|---|
| CN103824676A (en) | 2014-05-28 |
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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: SHANGHAI INVT INDUSTRY TECHNOLOGY 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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