CN103389750B - A kind of transformer cooling fan control device - Google Patents
A kind of transformer cooling fan control device Download PDFInfo
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- CN103389750B CN103389750B CN201310343450.6A CN201310343450A CN103389750B CN 103389750 B CN103389750 B CN 103389750B CN 201310343450 A CN201310343450 A CN 201310343450A CN 103389750 B CN103389750 B CN 103389750B
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Abstract
The invention provides a kind of technical scheme of transformer cooling fan control device, comprise temperature indicating controller (TIC), fan, be serially connected on the first power supply after first temperature contact of temperature indicating controller (TIC) and the series connection of the second temperature contact, an auxiliary reclay is had to connect with the second described temperature contact, first normally opened contact of described auxiliary reclay is in parallel with the first temperature contact, second normally opened contact of described auxiliary reclay is serially connected on the first power supply after connecting with A.C. contactor, first normally opened contact of described A.C. contactor is serially connected between fan and second source.The device of the program, fan was made a response according to the oil temperature very first time of transformer body inside, improve the serviceable life of transformer and cooling fan, decrease the loss of the energy, particularly in unattended electric substation, ensure that transformer temperature is normal, ensure that the safe operation of transformer.
Description
Technical field
What the present invention relates to is a kind of fan control device, especially a kind of cooling fan control device of high-voltage electric power system indoor or outdoors oil-immersed power transformer.
Background technology
In the prior art, known technology is, at present, the transformer of transformer station is mainly oil-immersed power transformer, its cool-down method is the cooling fan cooling using transformer body to install, a general power transformer can install cooling fan, adopts Non-follow control, by electric substation operator on duty visually oil temperature transformer fan started and stops.Warning can be sent at master-control room when inside transformer oil temperature exceedes uniform temperature.In this case, when oil temperature changes, cooling fan can not be made a response the very first time, if power transformer long-time running is at the too high environment of temperature, the heat that transformer normal loss can be made to produce is difficult to be dispersed in atmospheric environment and goes, and causes coil-conductor to raise resistance with temperature and increases, produce more loss and heat, form vicious cycle, cause power transformer temperature anomaly to raise; Moreover due to temperature reduction after startup fan, can not stop the operation of fan the very first time, cause fan long-play, reduce the serviceable life of fan, increase the consumption of the energy, this is the weak point existing for prior art.
Summary of the invention
Object of the present invention is exactly for the deficiency existing for prior art, and a kind of technical scheme of transformer cooling fan control device is provided, the device of the program, utilize two temperature signals of the temperature indicating controller (TIC) of transformer, by the automatic control circuit of relay, the startup of cooling fan and stopping are controlled, fan was made a response according to the oil temperature very first time of transformer body inside, improve the serviceable life of transformer and cooling fan, decrease the loss of the energy, particularly in unattended electric substation, ensure that transformer temperature is normal, ensure that the safe operation of transformer.
This programme is achieved by the following technical measures: a kind of transformer cooling fan control device, comprise temperature indicating controller (TIC), fan, the feature of this programme is: be serially connected between the first power supply after the first temperature contact of described temperature indicating controller (TIC) and the series connection of the second temperature contact, an auxiliary reclay is had to connect with the second described temperature contact, first normally opened contact of described auxiliary reclay is in parallel with the first temperature contact, second normally opened contact of described auxiliary reclay is serially connected on the first power supply after connecting with A.C. contactor, first normally opened contact of described A.C. contactor is serially connected on fan and second source.
Described A.C. contactor is four, and four described A.C. contactor parallel connections, the first described A.C. contactor is connected with the second normally opened contact of auxiliary reclay, second A.C. contactor is connected with the 3rd normally opened contact of auxiliary reclay, 3rd A.C. contactor is connected with the 4th normally opened contact of auxiliary reclay, contact series is opened in 5 constant virtues of 4th A.C. contactor and auxiliary reclay, first normally opened contact of the first A.C. contactor is serially connected between second source and first group of fan, first normally opened contact of the second A.C. contactor is serially connected between second source and second group of fan, first normally opened contact of the 3rd A.C. contactor is serially connected between second source and the 3rd group of fan, first normally opened contact of the 4th A.C. contactor is serially connected between second source and the 4th group of fan.
Second normally opened contact of the first described A.C. contactor is serially connected on the first power supply after connecting with the first pilot lamp, second normally opened contact of the second described A.C. contactor is in parallel with the second normally opened contact of the first A.C. contactor, second normally opened contact of the 3rd described A.C. contactor is in parallel with the second normally opened contact of the first A.C. contactor, and the second normally opened contact of the 4th A.C. contactor is in parallel with the second normally opened contact of the first A.C. contactor.
Preferred first power output end is serially connected with the second pilot lamp.
Preferred first power supply is AC220V.
Preferred second source is AC380V.
First temperature contact design temperature of preferred temperature indicating controller (TIC) is 65 DEG C.
Second temperature contact design temperature of preferred temperature indicating controller (TIC) is 55 DEG C.
The beneficial effect of this programme can be learnt according to describing of such scheme, due to temperature indicating controller (TIC) in this scenario, for BWY-803ATH temperature indicating controller (TIC), there are two temperature contacts, and two temperature contacts are two normal opened contacts, be kept closed when temperature exceedes setting value, when lower than setting value, contact is opened, first normally opened contact of auxiliary reclay is in parallel with the first temperature contact, when temperature is lower than 65 DEG C, auxiliary reclay still can be kept to be in "on" position, until when temperature is lower than 55 DEG C, the second temperature contact disconnects; After auxiliary reclay is connected, corresponding multiple normally opened contact closes, and then AC relay is also energized work, and the normally opened contact of AC relay closes, and fan is started working, and lowers the temperature to transformer.
As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, the transformer cooling fan control device of this programme, comprise temperature indicating controller (TIC), fan, first temperature contact K1 of described temperature indicating controller (TIC) and the second temperature contact K2 is serially connected on the first power supply U1 after connecting, an auxiliary reclay KA is had to connect with the second described temperature contact K2, the first normally opened contact KA-1 of described auxiliary reclay KA is in parallel with the first temperature contact K1, be serially connected on the first power supply after the second normally opened contact KA-2 of described auxiliary reclay KA connects with A.C. contactor, first normally opened contact of described A.C. contactor is serially connected on fan and second source U2.
Described A.C. contactor is four, and four described A.C. contactor parallel connections, the first described A.C. contactor KM1 connects with the second normally opened contact KA-2 of auxiliary reclay KA, second A.C. contactor KM2 connects with the 3rd normally opened contact KA-3 of auxiliary reclay KA, 3rd A.C. contactor KM3 connects with the 4th normally opened contact KA-4 of auxiliary reclay KA, 4th A.C. contactor KM4 connects with the 5th normally opened contact KA-5 of auxiliary reclay KA, the first normally opened contact KM1-1 of the first A.C. contactor KM1 is serially connected between second source U2 and first group fan, first group of fan comprises the first fan M1 and the second fan M2, the first normally opened contact KM2-1 of the second A.C. contactor KM2 is serially connected between second source U2 and second group fan, second group of fan comprises three fan M3 and the 4th fan M4, the first normally opened contact KM3-1 of the 3rd A.C. contactor KM3 is serially connected between second source U2 and the 3rd group fan, 3rd group of fan comprises tendencies fan M5 and the 6th fan M6, the first normally opened contact KM4-1 of the 4th A.C. contactor KM4 is serially connected between second source U2 and the 4th group fan, 4th group of fan comprises the 7th fan M7 and Bafeng fan M8.
Be serially connected on the first power supply U1 after the second normally opened contact KM1-2 of the first described A.C. contactor KM1 connects with the first pilot lamp H1, the second normally opened contact KM2-2 of the second described A.C. contactor KM2 is in parallel with the second normally opened contact KM1-2 of the first A.C. contactor KM1, the second normally opened contact KM3-2 of the 3rd described A.C. contactor KM3 is in parallel with the second normally opened contact KM1-2 of the first A.C. contactor KM1, and the second normally opened contact KM4-2 of the 4th A.C. contactor KM4 is in parallel with the second normally opened contact KM1-2 of the first A.C. contactor KM1.First power supply U1 output terminal is serially connected with the second pilot lamp H2.First power supply U1 is AC220V.Second source U2 is AC380V.First temperature contact K1 design temperature of temperature indicating controller (TIC) is 65 DEG C.Second temperature contact K2 design temperature of temperature indicating controller (TIC) is 55 DEG C.
The present invention is not limited in above-mentioned embodiment, the change that those of ordinary skill in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (6)
1. a transformer cooling fan control device, comprise temperature indicating controller (TIC), fan, it is characterized in that: be serially connected on the first power supply after the first temperature contact of described temperature indicating controller (TIC) and the series connection of the second temperature contact, an auxiliary reclay is had to connect with the second described temperature contact, first normally opened contact of described auxiliary reclay is in parallel with the first temperature contact, second normally opened contact of described auxiliary reclay is serially connected on the first power supply after connecting with A.C. contactor, and the first normally opened contact of described A.C. contactor is serially connected between fan and second source;
Described A.C. contactor is four, and described four A.C. contactor parallel connections, the first described A.C. contactor is connected with the second normally opened contact of auxiliary reclay, second A.C. contactor is connected with the 3rd normally opened contact of auxiliary reclay, 3rd A.C. contactor is connected with the 4th normally opened contact of auxiliary reclay, contact series is opened in 5 constant virtues of 4th A.C. contactor and auxiliary reclay, first normally opened contact of the first A.C. contactor is serially connected between second source and first group of fan, first normally opened contact of the second A.C. contactor is serially connected between second source and second group of fan, first normally opened contact of the 3rd A.C. contactor is serially connected between second source and the 3rd group of fan, first normally opened contact of the 4th A.C. contactor is serially connected between second source and the 4th group of fan,
Second normally opened contact of the first described A.C. contactor is serially connected on the first power supply after connecting with the first pilot lamp, second normally opened contact of the second described A.C. contactor is in parallel with the second normally opened contact of the first A.C. contactor, second normally opened contact of the 3rd described A.C. contactor is in parallel with the second normally opened contact of the first A.C. contactor, and the second normally opened contact of the 4th A.C. contactor is in parallel with the second normally opened contact of the first A.C. contactor.
2. transformer cooling fan control device according to claim 1, is characterized in that: the first power output end is serially connected with the second pilot lamp.
3. transformer cooling fan control device according to claim 1, is characterized in that: the first described power supply is AC220V.
4. transformer cooling fan control device according to claim 1, is characterized in that: described second source is AC380V.
5. transformer cooling fan control device according to claim 1, is characterized in that: the first temperature contact design temperature of described temperature indicating controller (TIC) is 65 DEG C.
6. transformer cooling fan control device according to claim 1, is characterized in that: the second temperature contact design temperature of described temperature indicating controller (TIC) is 55 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343450.6A CN103389750B (en) | 2013-08-08 | 2013-08-08 | A kind of transformer cooling fan control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343450.6A CN103389750B (en) | 2013-08-08 | 2013-08-08 | A kind of transformer cooling fan control device |
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| Publication Number | Publication Date |
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| CN103389750A CN103389750A (en) | 2013-11-13 |
| CN103389750B true CN103389750B (en) | 2015-10-28 |
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| CN201310343450.6A Expired - Fee Related CN103389750B (en) | 2013-08-08 | 2013-08-08 | A kind of transformer cooling fan control device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591040B (en) * | 2013-11-18 | 2016-04-06 | 国家电网公司 | A kind of blower fan start-stop controlling method of Natural Oil Circulation Power air-cooled transformer |
| EP3032552A1 (en) * | 2014-12-09 | 2016-06-15 | ABB Technology Ltd | A cooling system for a high voltage electromagnetic induction device, a system and a method of cooling the same |
| CN105242717A (en) * | 2015-10-31 | 2016-01-13 | 国家电网公司 | Automatic switching device of cooling system of main transformer of transformer substation |
| CN105575616B (en) * | 2016-01-27 | 2018-05-29 | 国网山西省电力公司运城供电公司 | Transformer automatic cooling system |
| CN106598117B (en) * | 2016-11-30 | 2018-10-16 | 国网山东省电力公司青州市供电公司 | Oil-immersed type transformer air cooling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733542Y (en) * | 2004-07-09 | 2005-10-12 | 金坛苏源集团有限公司 | Control device for air-cooled system of power transformer |
| CN201902353U (en) * | 2010-11-25 | 2011-07-20 | 特变电工股份有限公司 | Controller for cooling fan |
| CN201974710U (en) * | 2010-12-01 | 2011-09-14 | 河南省电力公司南阳供电公司 | Automatic air cooling control device for main transformer |
| CN203350744U (en) * | 2013-08-08 | 2013-12-18 | 济钢集团有限公司 | Transformer cooling fan control device |
-
2013
- 2013-08-08 CN CN201310343450.6A patent/CN103389750B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733542Y (en) * | 2004-07-09 | 2005-10-12 | 金坛苏源集团有限公司 | Control device for air-cooled system of power transformer |
| CN201902353U (en) * | 2010-11-25 | 2011-07-20 | 特变电工股份有限公司 | Controller for cooling fan |
| CN201974710U (en) * | 2010-12-01 | 2011-09-14 | 河南省电力公司南阳供电公司 | Automatic air cooling control device for main transformer |
| CN203350744U (en) * | 2013-08-08 | 2013-12-18 | 济钢集团有限公司 | Transformer cooling fan control device |
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| CN103389750A (en) | 2013-11-13 |
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