CN103982454A - Main transformer radiator intelligent frequency conversion fan with photovoltaic conversion function and using method thereof - Google Patents

Main transformer radiator intelligent frequency conversion fan with photovoltaic conversion function and using method thereof Download PDF

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Publication number
CN103982454A
CN103982454A CN201410238232.0A CN201410238232A CN103982454A CN 103982454 A CN103982454 A CN 103982454A CN 201410238232 A CN201410238232 A CN 201410238232A CN 103982454 A CN103982454 A CN 103982454A
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China
Prior art keywords
main transformer
conversion
radiator
frequency
blower fan
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CN201410238232.0A
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Chinese (zh)
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CN103982454B (en
Inventor
林晓铭
李建洋
宋仕江
林荣辉
郑孝章
林舒妍
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State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Priority to CN201410238232.0A priority Critical patent/CN103982454B/en
Publication of CN103982454A publication Critical patent/CN103982454A/en
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Abstract

The invention relates to a main transformer radiator intelligent frequency conversion fan with a photovoltaic conversion function and a using method thereof. The main transformer radiator intelligent frequency conversion fan comprises a main transformer body and an oil flow radiator communicated with the main transformer body. The main transformer radiator intelligent frequency conversion fan with the photovoltaic conversion function is characterized in that the main transformer radiator intelligent frequency conversion fan connected with a photovoltaic conversion system is mounted on the oil flow radiator, the main transformer radiator intelligent frequency conversion fan is connected with a control module, the control module is used for automatically starting and stopping the main transformer radiator intelligent frequency conversion fan through the temperature tested by an on-line oil temperature thermoscope connected to the main transformer body according to a preset oil temperature value. The main transformer radiator intelligent frequency conversion fan and the using method thereof are reasonable in design, capable of achieving energy saving and environmental protection, and capable of effectively solving the radiation problem under long-time working of the main transformer body.

Description

A kind of main transformer radiator intelligent frequency-conversion blower fan and using method with photovoltaic conversion function
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 come by transformer oil coolingly, otherwise can cause the serious accident of burning main transformer, for heated transformer oil after cooling main transformer winding, flow to the radiator being installed on outside main transformer, pressure blowing by radiator fan is cooled, and cooled cold transformer oil enters and in main transformer body, main transformer winding carried out coolingly, and so circulation repeatedly.Present widely used traditional main transformer radiator fan, routine work is turned round for a long time, need to 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 suddenly stop suddenly to open fragile.Below these defects that are now widely used 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 and just can carry out when maintenance and replacing radiator fan, this has caused again larger directly and indirectly economic loss, and the bad social influence that has a power failure and cause.
Summary of the invention
The object of this invention is to provide a kind of main transformer radiator intelligent frequency-conversion blower fan and controlling method thereof with photovoltaic conversion function, this device and controlling method thereof are reasonable in design, and energy-conserving and environment-protective can effectively solve the heat dissipation problem of main transformer under working long hours.
The oily flow heat dissipation device that the present invention includes main transformer body and be connected with main transformer body, the main transformer radiator intelligent frequency-conversion blower fan that is connected with photovoltaic converting system is installed on described oily flow heat dissipation device, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, the temperature that described control module is tested by the online oil temperature thermoscope being connected on main transformer, and according to predefined oil temperature, main transformer radiator intelligent frequency-conversion blower fan is automatically opened and closed down.
In order to guarantee blower fan non-stop run, 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 guarantee solar energy reception, described solar receiver comprises the turnover solar panel of multi-disc, described every solar panel lower end is placed in rotating shaft and with energy-storing device and is connected, in described energy-storing device, be provided with comparator, described comparator rotates to realize each solar panel according to each solar panel harvest energy size control rotating shaft and reaches ceiling capacity collection capacity, and described power-supply controller of electric is connected with energy-storing device, main transformer radiator intelligent frequency-conversion blower fan.
In order effectively to reduce the temperature of main transformer body, in described main transformer body, be filled with transformer oil, described main transformer body top online oil temperature thermoscope is installed, described main transformer body both sides are entered cold oil valve and oily flow heat dissipation device filler opening and oil outlet and are connected by being located at main transformer that the main transformer of main transformer body upper lateral part goes out deep fat valve and be located at main transformer body lower side respectively, are connected with conservator above described main transformer main body.
In order further to guarantee blower fan continuous firing to be also connected with standby power supply on described power-supply controller of electric.
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 in main transformer, oil temperature 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 in main transformer, oil temperature 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, while moving by day, load is large, oil temperature is high, need carry out the more blowing cooling of forcing to the oily stream circulating in main transformer, and to night main transformer operating load low, and surrounding environment temperature is low, main transformer nature good cooling results; Equally overcast and rainy, with respect 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 is powered again in not enough situation, need to automatically switch and drop into outside standby ABAP Adapter, the photovoltaic converting system of patent of the present invention can provide sufficient, qualified electric energy to supply with the work of main transformer radiator intelligent frequency-conversion blower fan.Another large advantage of the present invention is can be according to the oil temperature in main transformer, automatically control the rotating speed of radiator fan, so that cooling air quantity and the blast of suitable optimization to be provided, when oil temperature is high, rotating speed is fast, when oil temperature is low, rotating speed is slow, compare with traditional main transformer radiator fan, that patent of the present invention has is safe and reliable, economical and energy saving, long service life, greatly reduce the huge advantage of repair and maintenance work and environmental protection etc., is that main transformer radiator fan is manufactured and an innovation greatly of operation.
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 main transformer winding and the iron core of the embodiment of the present invention is immersed in schematic diagram cooling in transformer oil.
Fig. 3 is that the radiator fan of the embodiment of the present invention is forced 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 is controlled 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, comprise main transformer body and the oily flow heat dissipation device being connected with main transformer body, the main transformer radiator intelligent frequency-conversion blower fan that is connected with photovoltaic converting system is installed on described oily flow heat dissipation device, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, the temperature that described control module is tested by the online oil temperature thermoscope being connected on main transformer, and according to predefined oil temperature, 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, described every solar panel lower end is placed in rotating shaft and with energy-storing device and is connected, in described energy-storing device, be provided with comparator, described comparator rotates to realize each solar panel according to each solar panel harvest energy size control rotating shaft and reaches ceiling capacity collection capacity, described power-supply controller of electric and energy-storing device, main transformer radiator intelligent frequency-conversion blower fan is connected, on described power-supply controller of electric, be also connected with described in standby power supply photovoltaic converting system by receiving solar energy, and carry out photovoltaic conversion and power supply control, to offer 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 temperature, external standby power supply drops into automatically, due to overcast and rainy and night, main transformer ambient temperature reduces, can play the effect of effective cooling main transformer, pressure quenching without radiator fan just can reach cooling effect, therefore enable the probability of external standby power supply seldom.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 are entered cold oil valve and oily flow heat dissipation device filler opening and oil outlet and are connected by being located at main transformer that the main transformer of main transformer body upper lateral part goes out deep fat valve and be located at main transformer body lower side respectively, 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 in main transformer, oil temperature 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 in main transformer, oil temperature 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 come by transformer oil cooling, otherwise can cause the serious accident of burning main transformer, for heated transformer oil after cooling main transformer winding, flow to the radiator being installed on outside main transformer, pressure blowing by radiator frequency conversion fan is cooled, cooled cold transformer oil enters and to main transformer winding, carries out cooling in main transformer body, so circulation 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) opening photovoltaic converting system powers to main transformer radiator frequency conversion fan 5, 3) open main transformer radiator frequency conversion fan 5, the transformer oil of the radiator 3 of flowing through is forced to quenching, 4) open control module, the temperature value that control module is measured according to online oil temperature thermoscope 7 is by the operation of the procedure auto-control main transformer radiator frequency conversion fan 5 of design programming in advance, when in main transformer, oil temperature reaches radiator frequency conversion fan 5 unlatching settings, controlling radiator frequency conversion fan 5 opens, when in main transformer, oil temperature continues to raise, control radiator frequency conversion fan 5 and increase frequency, increase blast and the cooling air quantity of blower fan, when in main transformer, oil temperature 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, controlling radiator frequency conversion fan 5 closes down, 5), for the main transformer that the loose hot device blower fan 5 of frequency conversion of many groups is installed, control module can also automatically be controlled respectively the radiator frequency conversion fan group unlatching of different groups and close down according to oil temperature, and the operation of controlling standby radiator fan group, 6) when photovoltaic power supply is not enough, standby power supply drops into automatically, supplies with the working power of main transformer radiator frequency conversion fan 5.
Be noted that, the present embodiment, described radiator 3 has N, 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 be in the face of radiator water safety dress, wherein N can be 1, it can be determined according to the model of main transformer.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing 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 (6)

1. a main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function, comprise main transformer body and the oily flow heat dissipation device being connected with main transformer body, it is characterized in that: the main transformer radiator intelligent frequency-conversion blower fan that is connected with photovoltaic converting system is installed on described oily flow heat dissipation device, described main transformer radiator intelligent frequency-conversion blower fan is connected with control module, the temperature that described control module is tested by the online oil temperature thermoscope being connected on main transformer, and according to predefined oil temperature, main transformer radiator intelligent frequency-conversion blower fan is automatically opened and closed down.
2. a kind of main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function according to claim 1, it is characterized in that: 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.
3. a kind of main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function according to claim 2, it is characterized in that: described solar receiver comprises the turnover solar panel of multi-disc, described every solar panel lower end is placed in rotating shaft and with energy-storing device and is connected, in described energy-storing device, be provided with comparator, described comparator rotates to realize each solar panel according to each solar panel harvest energy size control rotating shaft and reaches ceiling capacity collection capacity, described power-supply controller of electric and energy-storing device, main transformer radiator intelligent frequency-conversion blower fan is connected.
4. a kind of main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function according to claim 1, it is characterized in that: in described main transformer body, be filled with transformer oil, described main transformer body top is provided with online oil temperature thermoscope, described main transformer body both sides are entered cold oil valve and oily flow heat dissipation device filler opening and oil outlet and are connected by being located at main transformer that the main transformer of main transformer body upper lateral part goes out deep fat valve and be located at main transformer body lower side respectively, are connected with conservator above described main transformer main body.
5. according to a kind of main transformer radiator intelligent frequency-conversion blower fan with photovoltaic conversion function described in claim 2 or 3, it is characterized in that: on described power-supply controller of electric, be also connected with standby power supply.
6. a main transformer radiator intelligent frequency-conversion blower control method with photovoltaic conversion function, it is characterized in that: 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 in main transformer, oil temperature 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 in main transformer, oil temperature 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.
CN201410238232.0A 2014-05-30 2014-05-30 A kind of main transformer radiator intelligent frequency-conversion blower fan and using method with photovoltaic conversion function Active CN103982454B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104599816A (en) * 2015-01-06 2015-05-06 国家电网公司 Main transformer cooling fan with turbocharging function and use 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

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JPS58225617A (en) * 1982-06-22 1983-12-27 Mitsubishi Electric Corp Transformer cooling apparatus
JPS60224206A (en) * 1984-04-20 1985-11-08 Hitachi Ltd Variable velocity controller for transformer cooler
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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
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
CN103671189A (en) * 2013-09-07 2014-03-26 国家电网公司 Main transformer radiator draught fan with intelligent frequency converter
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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JPS58225617A (en) * 1982-06-22 1983-12-27 Mitsubishi Electric Corp Transformer cooling apparatus
JPS60224206A (en) * 1984-04-20 1985-11-08 Hitachi Ltd Variable velocity controller for transformer cooler
CA2707961A1 (en) * 2009-06-15 2010-12-15 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
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104599816A (en) * 2015-01-06 2015-05-06 国家电网公司 Main transformer cooling fan with turbocharging function and use 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

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