CN103982454B - A kind of main transformer radiator intelligent frequency-conversion blower fan and using method with photovoltaic conversion function - Google Patents
A kind of main transformer radiator intelligent frequency-conversion blower fan and using method with photovoltaic conversion function Download PDFInfo
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- CN103982454B CN103982454B CN201410238232.0A CN201410238232A CN103982454B CN 103982454 B CN103982454 B CN 103982454B CN 201410238232 A CN201410238232 A CN 201410238232A CN 103982454 B CN103982454 B CN 103982454B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 15
- 239000003570 air Substances 0.000 description 8
- 238000004804 winding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention relates to a kind of main transformer radiator intelligent frequency-conversion blower fan and the controlling method thereof with photovoltaic conversion function, the oily flow heat dissipation device comprising main transformer body and be connected with main transformer body, it is characterized in that: described oily flow heat dissipation device is provided with the main transformer radiator intelligent frequency-conversion blower fan being connected with photovoltaic converting system, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, described control module is by being connected to the temperature of the online oil temperature thermoscope test on main transformer, and according to the oil temperature preset, main transformer radiator intelligent frequency-conversion blower fan is automatically opened and closed down, this device and controlling method reasonable in design, energy-conserving and environment-protective, can effectively solve main transformer work long hours under heat dissipation problem.
Description
Technical field
The present invention relates to a kind of cooling blower device, particularly a kind of main transformer radiator intelligent frequency-conversion blower fan and controlling method thereof with photovoltaic conversion function.
Background technique
Main transformer is in running, due to electromagnetic action, its inner winding can produce amount of heat, need be cooled by transformer oil, otherwise the serious accident of burning main transformer can be caused, for after cooling main transformer winding by the transformer oil heated, flow to the radiator be installed on outside main transformer, cooled by the pressure blowing of radiator fan, cooled cold transformer oil enters in main transformer body again and cools main transformer winding, and so circulation repeatedly.Present widely used traditional main transformer radiator fan, routine work operates for a long time, need consume a large amount of electric energy, and traditional main transformer radiator fan does not possess intelligent frequency-conversion function, in long-term high speed operation, its rotating speed and blast, air quantity etc. are all nonadjustable, and anxious urgency of stopping is opened fragile.Below these defects now widely using traditional main transformer radiator fan cause that power consumption is high, noise is large, fragile, Maintenance and Repair workload is large, the life-span is short, and sometimes also need main transformer to have a power failure just can carry out when overhauling and change radiator fan, this causes again larger directly and indirectly economic loss, and the bad social influence caused that has a power failure.
Summary of the invention
The object of this invention is to provide a kind of main transformer radiator intelligent frequency-conversion blower fan and the controlling method thereof with photovoltaic conversion function, this device and controlling method reasonable in design, energy-conserving and environment-protective, can effectively solve main transformer work long hours under heat dissipation problem.
The oily flow heat dissipation device that the present invention includes main transformer body and be connected with main transformer body, described oily flow heat dissipation device is provided with the main transformer radiator intelligent frequency-conversion blower fan being connected with photovoltaic converting system, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, described control module by being connected to the temperature of the online oil temperature thermoscope test on main transformer, and automatically being opened according to the oil temperature preset main transformer radiator intelligent frequency-conversion blower fan and closes down.
In order to blower fan non-stop run can be ensured, described photovoltaic converting system comprises solar receiver, photovoltaic converter, energy-storing device, power-supply controller of electric, power-supply controller of electric in described photovoltaic converting system is connected with energy-storing device, described energy-storing device is connected with solar receiver through photovoltaic converter, and described power-supply controller of electric is connected with main transformer radiator intelligent frequency-conversion blower fan.
In order to ensure solar energy reception, described solar receiver comprises the turnover solar panel of multi-disc, described every sheet solar panel lower end to be placed in rotating shaft and to be connected with energy-storing device, comparator is provided with in described energy-storing device, described comparator controls rotating shaft rotation according to each solar panel harvest energy size and reaches ceiling capacity collection capacity to realize each solar panel, and described power-supply controller of electric is connected with energy-storing device, main transformer radiator intelligent frequency-conversion blower fan.
In order to effectively reduce the temperature of main transformer body, transformer oil is filled with in described main transformer body, described main transformer body top online oil temperature thermoscope is installed, described main transformer body both sides go out deep fat valve and the main transformer of being located at main transformer body lower side respectively by the main transformer being located at main transformer body upper lateral part and enter cold oil valve and oily flow heat dissipation device filler opening and oil outlet and connect, and are connected with conservator above described main transformer main body.
In order to further ensure blower fan continuous firing, described power-supply controller of electric is also connected with standby power supply.
In order to reach best energy-saving effect, described main transformer radiator intelligent frequency-conversion blower fan, the oil temperature of being tested by online oil temperature thermoscope by control module, according to the program of design programming in advance, frequency conversion radiator fan is controlled automatically, when oil temperature in main transformer reaches frequency conversion radiator fan unlatching settings, the controlled automatic unlatching of frequency conversion radiator fan, when in main transformer, oil temperature continues to raise, the controlled increase frequency of frequency conversion radiator fan, increase blast and the cooling air quantity of blower fan, when oil temperature in main transformer reduces, the controlled reduction frequency of frequency conversion radiator fan, reduce blast and the cooling air quantity of blower fan, when in main transformer, oil temperature is reduced to close value, frequency conversion radiator fan is controlled is closed down.
Remarkable advantage of the present invention is: according to main transformer operation characteristic, when namely running by day, load is large, oil temperature is high, need carry out more pressure blowing cooling to the oily stream of main transformer Inner eycle, and low to main transformer operating load at night, and ambient air is low, main transformer nature good cooling results; Same overcast and rainy, relative to daylight daytime, the feature of the operation of main transformer nature good cooling results, by using this clean renewable energy sources of solar energy, the work energy of supply main transformer radiator intelligent frequency-conversion blower fan that can be safe, reliable, long-term, economic, except large at only a few main transformer load, oil temperature is high, and now photovoltaic system power and not enough when, need automatically switch and drop into outside ABAP Adapter for subsequent use, the photovoltaic converting system of patent of the present invention can provide sufficient, qualified electric energy supply main transformer radiator intelligent frequency-conversion blower fan work.Another large advantage of the present invention is can according to the oil temperature in main transformer, the rotating speed of automatic control radiator fan, to provide cooling air quantity and the blast of suitable optimization, when oil temperature height, rotating speed is fast, when oil temperature is low, rotating speed is slow, compared with traditional main transformer radiator fan, patent of the present invention has safe and reliable, economical and energy saving, long service life, greatly reduces the huge advantage of repair and maintenance work and environmental protection etc., is that of the manufacture of main transformer radiator fan and operation innovates greatly.
Accompanying drawing explanation
Fig. 1 is the main transformer radiator intelligent frequency-conversion blower fan photovoltaic transition electric power system schematic diagram of the embodiment of the present invention.
Fig. 2 is that the main transformer winding of the embodiment of the present invention and iron core are immersed in the schematic diagram cooled in transformer oil.
Fig. 3 is that the radiator fan of the embodiment of the present invention carries out forcing the fundamental diagram of quenching to circulation of oil flow system.
Fig. 4 is the front fitting arrangement of the main transformer radiator intelligent frequency-conversion blower fan of the embodiment of the present invention.
Fig. 5 is that the control module of the embodiment of the present invention controls working principle skeleton diagram automatically.
Fig. 6 is the main connection diagram of control module work of the embodiment of the present invention.
1-main transformer goes out deep fat valve; The import of 2-oil flow heat dissipation device; 3-oil flow heat dissipation device; The outlet of 4-oil flow heat dissipation device; 5-main transformer radiator fan; 6-main transformer enters cold oil valve; The online oil temperature thermoscope of 7-.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The present invention relates to a kind of main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function, the oily flow heat dissipation device comprising main transformer body and be connected with main transformer body, described oily flow heat dissipation device is provided with the main transformer radiator intelligent frequency-conversion blower fan being connected with photovoltaic converting system, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, described control module by being connected to the temperature of the online oil temperature thermoscope test on main transformer, and automatically being opened according to the oil temperature preset main transformer radiator intelligent frequency-conversion blower fan and closes down.
Described photovoltaic converting system comprises solar receiver, photovoltaic converter, energy-storing device, power-supply controller of electric, power-supply controller of electric in described photovoltaic converting system is connected with energy-storing device, described energy-storing device is connected with solar receiver through photovoltaic converter, described power-supply controller of electric is connected with main transformer radiator intelligent frequency-conversion blower fan
Described solar receiver comprises the turnover solar panel of multi-disc, described every sheet solar panel lower end to be placed in rotating shaft and to be connected with energy-storing device, comparator is provided with in described energy-storing device, described comparator controls rotating shaft rotation according to each solar panel harvest energy size and reaches ceiling capacity collection capacity to realize each solar panel, described power-supply controller of electric and energy-storing device, main transformer radiator intelligent frequency-conversion blower fan is connected, described power-supply controller of electric is also connected with photovoltaic converting system described in standby power supply by receiving solar energy, and carry out photovoltaic conversion and Energy control, to be supplied to the sufficient qualified electric energy supply work of main transformer radiator intelligent frequency-conversion blower fan, when at night or meet overcast and rainy for a long time, photovoltaic switching energy is not enough, and during the very high this rare situation of main transformer oil, external alternate power autocast, due to overcast and rainy and night, main transformer ambient temperature reduces, the effect of effective cooling main transformer can be played, pressure quenching without the need to radiator fan just can reach cooling effect, therefore the probability enabling external standby power supply is little.Photovoltaic converting system is electrically connected at main transformer radiator intelligent frequency-conversion blower fan.
Described main transformer body top online oil temperature thermoscope is installed, described main transformer body both sides go out deep fat valve and the main transformer of being located at main transformer body lower side respectively by the main transformer being located at main transformer body upper lateral part and enter cold oil valve and oily flow heat dissipation device filler opening and oil outlet and connect, and are connected with conservator above described main transformer main body.
Described main transformer radiator intelligent frequency-conversion blower fan, the oil temperature of being tested by online oil temperature thermoscope by control module, according to the program of design programming in advance, frequency conversion radiator fan is controlled automatically, when oil temperature in main transformer reaches frequency conversion radiator fan unlatching settings, the controlled automatic unlatching of frequency conversion radiator fan, when in main transformer, oil temperature continues to raise, the controlled increase frequency of frequency conversion radiator fan, increase blast and the cooling air quantity of blower fan, when oil temperature in main transformer reduces, the controlled reduction frequency of frequency conversion radiator fan, reduce blast and the cooling air quantity of blower fan, when in main transformer, oil temperature is reduced to close value, frequency conversion radiator fan is controlled is closed down.
The present embodiment provides a kind of main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function, comprise main transformer, it is characterized in that, winding in described main transformer body is due to electromagnetic action, be in operation and can produce a large amount of heats, need be cooled by transformer oil, otherwise the serious accident of burning main transformer can be caused, for after cooling main transformer winding by the transformer oil heated, flow to the radiator be installed on outside main transformer, cooled by the pressure blowing of radiator frequency conversion fan, cooled cold transformer oil enters in main transformer body again and cools main transformer winding, circulation like this repeatedly.Specific works method is as follows: 1) open main transformer and go out deep fat valve 1 and enter cold oil valve 6, 2) open photovoltaic converting system to power to main transformer radiator frequency conversion fan 5, 3) open main transformer radiator frequency conversion fan 5, pressure quenching is carried out to the transformer oil flowing through radiator 3, 4) control module is opened, control module presses the operation of the procedure auto-control main transformer radiator frequency conversion fan 5 of design programming in advance according to the temperature value that online oil temperature thermoscope 7 is measured, when oil temperature in main transformer reach radiator frequency conversion fan 5 open settings time, control radiator frequency conversion fan 5 to open, when oil temperature in main transformer continues to raise, control radiator frequency conversion fan 5 and increase frequency, increase blast and the cooling air quantity of blower fan, when oil temperature in main transformer reduces, control radiator frequency conversion fan 5 and reduce frequency, reduce blast and the cooling air quantity of frequency conversion fan 5, when in main transformer, oil temperature is reduced to close value, control radiator frequency conversion fan 5 to close down, 5) for the main transformer being provided with the loose hot device blower fan 5 of frequency conversion of many groups, control module can also automatically control the radiator frequency conversion fan group unlatching of different group respectively according to oil temperature and close down, and controls the operation of radiator fan group for subsequent use, 6) when photovoltaic power supply is not enough, alternate power autocast, the working power of supply main transformer radiator frequency conversion fan 5.
Be noted that, the present embodiment, described radiator 3 has N number of, each radiator 3 is provided with described radiator frequency conversion fan, radiator frequency conversion fan can be contained in the below of radiator 3, also can in the face of radiator water safety dress, wherein N can be 1, and namely it can be determined according to the model of main transformer.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (1)
1. one kind has the main transformer radiator intelligent frequency-conversion blower fan of photovoltaic conversion function, the oily flow heat dissipation device comprising main transformer body and be connected with main transformer body, it is characterized in that: described oily flow heat dissipation device is provided with the main transformer radiator intelligent frequency-conversion blower fan being connected with photovoltaic converting system, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, described control module is by being connected to the temperature of the online oil temperature thermoscope test on main transformer, and according to the oil temperature preset, main transformer radiator intelligent frequency-conversion blower fan is automatically opened and closed down, described photovoltaic converting system comprises solar receiver, photovoltaic converter, energy-storing device, power-supply controller of electric, power-supply controller of electric in described photovoltaic converting system is connected with energy-storing device, described energy-storing device is connected with solar receiver through photovoltaic converter, described power-supply controller of electric is connected with main transformer radiator intelligent frequency-conversion blower fan, described solar receiver comprises the turnover solar panel of multi-disc, every sheet solar panel lower end to be placed in rotating shaft and to be connected with energy-storing device, comparator is provided with in described energy-storing device, described comparator controls rotating shaft rotation according to each solar panel harvest energy size and reaches ceiling capacity collection capacity to realize each solar panel, described power-supply controller of electric and energy-storing device, main transformer radiator intelligent frequency-conversion blower fan is connected, transformer oil is filled with in described main transformer body, described main transformer body top is provided with online oil temperature thermoscope, described main transformer body both sides go out deep fat valve and the main transformer of being located at main transformer body lower side respectively by the main transformer being located at main transformer body upper lateral part and enter cold oil valve and oily flow heat dissipation device filler opening and oil outlet and connect, conservator is connected with above described main transformer main body, described power-supply controller of electric is also connected with standby power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410238232.0A CN103982454B (en) | 2014-05-30 | 2014-05-30 | A kind of main transformer radiator intelligent frequency-conversion blower fan and using method with photovoltaic conversion function |
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| CN201410238232.0A CN103982454B (en) | 2014-05-30 | 2014-05-30 | A kind of main transformer radiator intelligent frequency-conversion blower fan and using method with photovoltaic conversion function |
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| CN103982454A CN103982454A (en) | 2014-08-13 |
| CN103982454B true CN103982454B (en) | 2016-02-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104157404A (en) * | 2014-08-25 | 2014-11-19 | 国家电网公司 | Dry-type transformer cooling device with photovoltaic conversion function and use method |
| CN104485203A (en) * | 2015-01-06 | 2015-04-01 | 国家电网公司 | Main transformer cooling fan having photovoltaic conversion and turbo charger functions and using method |
| CN104616862A (en) * | 2015-01-06 | 2015-05-13 | 国家电网公司 | Main transformer cooling draught fan with intelligent frequency conversion and turbocharging functions and usage method thereof |
| CN104599816A (en) * | 2015-01-06 | 2015-05-06 | 国家电网公司 | Main transformer cooling fan with turbocharging function and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58225617A (en) * | 1982-06-22 | 1983-12-27 | Mitsubishi Electric Corp | Transformer cooling apparatus |
| JPH0248128B2 (en) * | 1984-04-20 | 1990-10-24 | Hitachi Ltd | HENATSUKYOREIKYAKUKINOKAHENSOKUSEIGYOSOCHI |
| US8274769B2 (en) * | 2009-06-15 | 2012-09-25 | Advanced Power Technologies, Llc | Apparatus and method for cooling power transformers |
| CN202004343U (en) * | 2010-12-30 | 2011-10-05 | 诸暨市东白电力设备制造有限公司 | Novel automatic cooling electric substation |
| CN102610368A (en) * | 2012-03-02 | 2012-07-25 | 江苏中联电气股份有限公司 | Solar semiconductor cooling device of explosion-proof transformer |
| CN103671189A (en) * | 2013-09-07 | 2014-03-26 | 国家电网公司 | Main transformer radiator draught fan with intelligent frequency converter |
| CN203444913U (en) * | 2013-09-10 | 2014-02-19 | 天津市恒泰变压器制造有限公司 | Transformer with good heat dissipation effect |
| CN203847425U (en) * | 2014-05-30 | 2014-09-24 | 国家电网公司 | Intelligent main-transformer radiator variable frequency draught fan with photovoltaic conversion function |
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