CN204087992U - There is the main transformer radiator cooling device of photovoltaic translation function - Google Patents
There is the main transformer radiator cooling device of photovoltaic translation function Download PDFInfo
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- CN204087992U CN204087992U CN201420530944.5U CN201420530944U CN204087992U CN 204087992 U CN204087992 U CN 204087992U CN 201420530944 U CN201420530944 U CN 201420530944U CN 204087992 U CN204087992 U CN 204087992U
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- main transformer
- cooling
- photovoltaic
- radiator
- energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model includes the main transformer radiator cooling device of photovoltaic translation function, described refrigerant compressor is electrically connected at photovoltaic converting system, solar energy is converted to by described photovoltaic converting system can for the qualified electric energy needed for refrigerant compressor work, described oil stream cooling recirculation system be arranged in main transformer for cooling winding, transformer oil in described oil stream cooling recirculation system enters radiator cooling by the delivery valve on main transformer top, enter in main transformer by the inlet valve of main transformer bottom from radiator outflow, described cooling dome by radiator cover in cooling dome cavity, and sealing is tight, described cooling dome internal circulation flow has coolant media, the transformer oil flowed in radiator is cooled.
Description
Technical field
The utility model includes the main transformer radiator cooling device of photovoltaic translation function.
Background technology
Main transformer is in running, electricity and magnetic effect under, its winding and iron core can generate heat, now as not in time heat taken away, break down causing main transformer and even burn the serious accident of blast, the type of cooling of main transformer is that the transformer oil that flowed by main transformer inner loop is to cool winding, enter again in main transformer after self need being carried out heat exchange cooling by radiator by the transformer oil heated after cooling winding and circulating cooling is carried out to winding, the type of cooling of tradition main transformer radiator is dried by fan, the modes such as natural heat dissipation, air at these two kinds of type of cooling environment for use temperature is as refrigerant, cooling effectiveness is very low, the scope that cools is very little, large by such environmental effects, often cause main transformer copper iron loss large, overload and Short Circuit withstand current capacity little, the shortcomings such as the short and safe class of insulation life is not enough.
Utility model content
The purpose of this utility model is for above weak point, provide a kind of main transformer radiator cooling device having photovoltaic translation function, energy is safe, reliable, efficient, Economic regions walks the heat energy that in operation, main transformer produces, not by ambient temperature and climatic influences, greatly can reduce the copper iron loss of main transformer, very big raising main transformer overload capacity and Short Circuit withstand current capacity, increase the service life, the safety of powerful guarantee electric power system, economical operation.
The scheme that the utility model technical solution problem adopts is, there is the main transformer radiator cooling device of photovoltaic translation function, comprise photovoltaic converting system, cooling dome, refrigerant compressor, condenser, choke valve, oil stream cooling recirculation system, temperature sensor, control module, described refrigerant compressor is electrically connected at photovoltaic converting system, solar energy is converted to by described photovoltaic converting system can for the qualified electric energy needed for refrigerant compressor work, described oil stream cooling recirculation system be arranged in main transformer for cooling winding, transformer oil in described oil stream cooling recirculation system enters radiator cooling by the delivery valve on main transformer top, enter in main transformer by the inlet valve of main transformer bottom from radiator outflow, , described cooling dome by radiator cover in cooling dome cavity, and sealing is tight, described cooling dome internal circulation flow has coolant media, the transformer oil flowed in radiator is cooled, described cooling dome is provided with refrigerant inlet valve, cooling dome top is provided with refrigerant exit valve, described refrigerant exit valve connects the import of refrigerant compressor, the outlet of described refrigerant compressor connects the import of condenser, the outlet of described condenser connects choke valve import, choke valve outlet connects the refrigerant import of cooling dome bottom, described temperature sensor is arranged on the top of main transformer, described control module and temperature sensor and refrigerant compressor are electrically connected.
Further, described photovoltaic converting system comprises solar receiver, photovoltaic converter, energy-storing device, power-supply controller of electric and external stand-by power supply, described power-supply controller of electric is connected with energy-storing device, described energy-storing device is connected with solar receiver through photovoltaic converter, described power-supply controller of electric and refrigerant compressor and external stand-by power supply are electrically connected, and described photovoltaic converting system is supplied to the electric energy needed for refrigerant compressor work.
Further, described solar receiver comprises the turnover solar panel of multi-disc, described solar panel lower end is provided with axle sleeve, described axle sleeve is placed in rotating shaft and energy-storing device is connected, described rotating shaft is controlled to rotate by steering controller, be provided with comparator in described energy-storing device and control the PLC microcomputerized controller that comparator catches solar energy, described comparator controls rotating shaft according to each solar panel harvest energy size and rotates.
Further, described control module can be PLC or other computer processor.
Further, described cooling dome is made by insulating material.
Further, described coolant media is SF
6medium.
Further, described condenser is air-cooled or water cooled condenser.
Compared with prior art, the utility model has following beneficial effect: make full use of this safe, clean, efficient, economy of solar energy, environmental protection the energy as normality work energy, safe and reliable, cooling effectiveness is high, equipment installs simple, overall operation economy, greatly can reduce copper, the iron loss of running main transformer, improve overload and the Short Circuit withstand current capacity of main transformer, extend main transformer service life, the safe operation of powerful guarantee main transformer more.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model patent is further illustrated.
Fig. 1 is the photovoltaic converting system figure of the utility model embodiment;
Fig. 2 is that the solar receiver of the utility model embodiment receives solar energy operating diagram;
Fig. 3 is the main transformer radiator scheme of installation of the utility model embodiment;
Fig. 4 is the main transformer radiator cooling dome scheme of installation of the utility model embodiment;
Fig. 5 is that the main transformer radiator cooling dome of the utility model embodiment installs schematic side view;
Fig. 6 is the A-A cutaway view of Fig. 5;
Fig. 7 is the main transformer radiator cooling device scheme of installation of the utility model embodiment;
Fig. 8 is the main transformer radiator cooling device workflow schematic diagram of the utility model embodiment;
Fig. 9 is the main transformer radiator cooling device cooling dome side-looking workflow schematic diagram of the utility model embodiment;
Figure 10 is the control module Automatic Control Theory block diagram of the utility model embodiment.
In figure: 1-inlet valve, 2-cooling dome, 3-outlet valve, 4-refrigerant compressor, 5-condenser inlet, 6-condenser, 7-cooling blower, 8-condensator outlet, 9-choke valve, 10-temperature sensor, 11-inlet valve, 12-radiator, 13-delivery valve, 14-winding, 15-transformer oil, 16-main transformer, 17-coolant media, 18-solar receiver, 19-steering controller, 20-comparator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Fig. 1 ~ 10, there is the main transformer radiator cooling device of photovoltaic translation function, comprise photovoltaic converting system, cooling dome 2, refrigerant compressor 4, condenser 6, choke valve 9, oil stream cooling recirculation system, temperature sensor 10, control module, described refrigerant compressor 4 is electrically connected at photovoltaic converting system, solar energy is converted to and can works required qualified electric energy for refrigerant compressor 4 by described photovoltaic converting system, described oil stream cooling recirculation system be arranged in main transformer 16 for cooling winding 14, the transformer oil 15 of flowing in main transformer 16 is to after in main transformer 16, winding 14 cools, self is heated, the delivery valve 12 of heat transformer oil 15 through main transformer 16 top after heating in described oil stream cooling recirculation system enters radiator 13, heat transformer oil 15 carries out heat exchange by radiator 12 wall and extraneous refrigerant, cold transformer oil 15 after cooled flows out radiator 12 and enters in main transformer 16 by the inlet valve 13 of main transformer 16 bottom, carry out the cool cycles of next round, radiator 12 covers in cooling dome 2 cavity by described cooling dome 2, and sealing is tight, described cooling dome 2 internal circulation flow has coolant media 17, the transformer oil 15 of flowing in radiator 12 is cooled, transformer oil 15 heat being placed in flowing in main transformer radiator 12 in cooling dome 2 is taken away, described cooling dome 2 is provided with refrigerant inlet valve 1, cooling dome top is provided with refrigerant exit valve 3, described refrigerant exit valve 3 connects the import of refrigerant compressor 5, the outlet of described refrigerant compressor 4 connects condenser inlet 5, described condensator outlet 8 connects choke valve 9 import, choke valve 9 exports the refrigerant import connecting cooling dome 2 bottom, described temperature sensor 10 is arranged on the top of main transformer 16, described control module and temperature sensor 10 and refrigerant compressor 4 are electrically connected, real-time oil temperature is also passed to control module by oil temperature in temperature sensor 10 on-line measurement main transformer 16, control module is measured according to temperature sensor 10 and the online temperature value transmitted, according to the temperature approach pre-set, the work of nonstick system of control cold compressor 4, when in main transformer 16, oil temperature exceedes more than the set point temperature difference, automatic startup refrigerant compressor 4 works, when in main transformer 16, oil temperature drops to below the set point temperature difference, automatic control stops refrigerant compressor 4 to work, remain the chilling temperature operated within range that in main transformer 16, oil temperature is being applicable to.
In the present embodiment, described photovoltaic converting system comprises solar receiver 18, photovoltaic converter, energy-storing device, power-supply controller of electric and external stand-by power supply, described power-supply controller of electric is connected with energy-storing device, described energy-storing device is connected with solar receiver 18 through photovoltaic converter, described power-supply controller of electric and refrigerant compressor 4 and external stand-by power supply are electrically connected, described photovoltaic converting system is supplied to refrigerant compressor 4 and works required electric energy, when meet for a long time overcast and rainy or night time, automatically switch to external power supply to power, under normal circumstances, stand-by power supply locates closed condition usually, only have when the electricity shortage of photovoltaic transition electric power system, stand-by power supply is just opened automatically, when generally having sunlight in the daytime, photovoltaic transition electric power system can provide sufficient electric power, and night and overcast and rainy often temperature low (relative to sunlight daytime), main transformer itself cool by atmospheric environment, required refrigerating capacity is also little, therefore the probability starting stand-by power supply is less.
In the present embodiment, described solar receiver 18 comprises the turnover solar panel of multi-disc, described solar panel lower end is provided with axle sleeve, described axle sleeve is placed in rotating shaft and energy-storing device is connected, described rotating shaft is controlled to rotate by steering controller 19, be provided with comparator 20 in described energy-storing device and control the PLC microcomputerized controller that comparator catches solar energy, described comparator 20 controls rotating shaft according to each solar panel harvest energy size and rotates, ceiling capacity collection capacity is reached to realize each solar panel, described photovoltaic converting system is by receiving solar energy, and carry out photovoltaic conversion and Energy control, to provide the work of sufficient electrical energy the supply system cold compressor.Described comparator operation principle is: in effective sun sunlight trace, due to the rotation of the earth, relative to a certain fixed location, the information such as its longitude and latitude are calculated the trajectory angle at the not sun place in the same time of every day in 1 year, the track of sun position in moment each in 1 year is stored in PLC, by control comparator with realize real-time track follow the tracks of, just can effectively ensure solar panel can the moment just to the sun, reach optimum state.
In the present embodiment, described control module can be PLC or other computer processor.
In the present embodiment, described cooling dome 2 is made by insulating material, also can be that other material be applicable to makes.
In the present embodiment, described coolant media 17 is SF
6medium also can be the coolant media that other has insulation, breath combustion and has higher thermal enthalpy.
In the present embodiment, described condenser 6 is air-cooled or water cooled condenser.
Specific implementation process:
Solar energy is converted to by photovoltaic converting system can for the qualified electric energy needed for refrigerant compressor work, when meet for a long time overcast and rainy or night time, automatically switch to external power supply to power, under normal circumstances, stand-by power supply locates closed condition usually, only have when the electricity shortage of photovoltaic transition electric power system, stand-by power supply is just opened automatically, photovoltaic converting system passes through the program of Programming in advance, control solar receiver 18 pairs of sun by PLC and carry out real-time track tracking, all the time effectively ensure solar panel can the moment just to the sun, reach optimum state.
Transformer oil 15 self is heated after cooling main transformer winding 14, because deep fat density is low, so heat transformer oil rises to main transformer top, and flow out main transformer delivery valve 13, enter main transformer radiator 12, heat transformer oil is in radiator 12, the refrigerant be enclosed in around radiator by radiator wall cooled, by the cooled transformer oil 15 of refrigerant in radiator 12, because cold oil density ratio deep fat density is large, therefore the oily stream in radiator flow to radiator 12 bottom from radiator 12 top, after flowing out radiator outlet, inlet valve 11 through main transformer 16 bottom enters in main transformer 16 body and carries out cool cycles.
The heat of the transformer oil being placed in flowing in main transformer radiator 12 in cooling dome 2 is taken away by the coolant media of cooling dome 2 Inner eycle, cool transformer oil, coolant media self evaporation endothermic becomes low pressure refrigerant gas, low pressure refrigerant gas after heat absorption is gone out from cooling dome 2 top refrigerant exit valve 3, cooled compressor 4 import sucks, the coolant media gas of high pressure-temperature is compressed in refrigerant compressor 4, this HTHP cold media gas exports from refrigerant compressor 4 and extrudes, condenser 6 is entered to condenser inlet 5, HTHP cold media gas is condensed into high temperature refrigerant liquid in condenser 6, after high temperature refrigerant liquid discharge condensator outlet 8, flow to choke valve 9, coolant media is reduced pressure after throttling by choke valve 9 and enters in cooling dome 2 by cooling dome refrigerant inlet valve 1, cooling medium liquid body after decompression throttling divides and is evaporated to gas, cooling medium liquid evacuator body can absorb amount of heat, thus make coolant media cooling enter in cooling dome 2, owing to entering the sudden enlargement of cooling dome volume, cooling medium liquid evacuator body is made to absorb amount of heat, the transformer oil being opposite to the wherein interior flowing of main transformer radiator 12 cools, low pressure refrigerant gas after heat absorption evaporation is gone out cooled compressor 4 by cooling dome upper outlet valve 3 again and is sucked and carry out the kind of refrigeration cycle of next round.
Control module is measured according to temperature sensor 10 and the online temperature value transmitted, according to the temperature approach pre-set, when oil temperature in main transformer exceedes more than the set point temperature difference, automatic startup refrigerant compressor 4 works, when oil temperature in main transformer drops to below the set point temperature difference, automatic stopping refrigerant compressor 4 works, and remains the chilling temperature operated within range that in main transformer, oil temperature is being applicable to.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. one kind has the main transformer radiator cooling device of photovoltaic translation function, comprise photovoltaic converting system, cooling dome, refrigerant compressor, condenser, choke valve, oil stream cooling recirculation system, temperature sensor, control module, it is characterized in that: described refrigerant compressor is electrically connected at photovoltaic converting system, solar energy is converted to by described photovoltaic converting system can for the qualified electric energy needed for refrigerant compressor work, described oil stream cooling recirculation system be arranged in main transformer for cooling winding, transformer oil in described oil stream cooling recirculation system enters radiator cooling by the delivery valve on main transformer top, enter in main transformer by the inlet valve of main transformer bottom from radiator outflow, described cooling dome by radiator cover in cooling dome cavity, and sealing is tight, described cooling dome internal circulation flow has coolant media, the transformer oil flowed in radiator is cooled, described cooling dome is provided with refrigerant inlet valve, cooling dome top is provided with refrigerant exit valve, described refrigerant exit valve connects the import of refrigerant compressor, the outlet of described refrigerant compressor connects the import of condenser, the outlet of described condenser connects choke valve import, choke valve outlet connects the refrigerant import of cooling dome bottom, described temperature sensor is arranged on the top of main transformer, described control module and temperature sensor and refrigerant compressor are electrically connected.
2. the main transformer radiator cooling device having photovoltaic translation 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 and external stand-by power supply, described power-supply controller of electric is connected with energy-storing device, described energy-storing device is connected with solar receiver through photovoltaic converter, described power-supply controller of electric and refrigerant compressor and external stand-by power supply are electrically connected, and described photovoltaic converting system is supplied to the electric energy needed for refrigerant compressor work.
3. the main transformer radiator cooling device having photovoltaic translation function according to claim 2, it is characterized in that: described solar receiver comprises the turnover solar panel of multi-disc, described solar panel lower end is provided with axle sleeve, described axle sleeve to be placed in rotating shaft and to be connected with energy-storing device, described rotating shaft is controlled to rotate by steering controller, be provided with comparator in described energy-storing device and control the PLC microcomputerized controller that comparator catches solar energy, described comparator controls rotating shaft according to each solar panel harvest energy size and rotates.
4. the main transformer radiator cooling device having photovoltaic translation function according to claim 1, is characterized in that: described control module can be PLC or other computer processor.
5. the main transformer radiator cooling device having photovoltaic translation function according to claim 1, is characterized in that: described cooling dome is made by insulating material.
6. the main transformer radiator cooling device having photovoltaic translation function according to claim 1, is characterized in that: described coolant media is SF
6medium.
7. the main transformer radiator cooling device having photovoltaic translation function according to claim 1, is characterized in that: described condenser is air-cooled or water cooled condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530944.5U CN204087992U (en) | 2014-09-16 | 2014-09-16 | There is the main transformer radiator cooling device of photovoltaic translation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530944.5U CN204087992U (en) | 2014-09-16 | 2014-09-16 | There is the main transformer radiator cooling device of photovoltaic translation function |
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| Publication Number | Publication Date |
|---|---|
| CN204087992U true CN204087992U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530944.5U Expired - Fee Related CN204087992U (en) | 2014-09-16 | 2014-09-16 | There is the main transformer radiator cooling device of photovoltaic translation function |
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| CN (1) | CN204087992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183361A (en) * | 2014-09-16 | 2014-12-03 | 国家电网公司 | Main transformer radiator cooling device with photovoltaic conversion function and use method thereof |
| CN107424726A (en) * | 2017-05-12 | 2017-12-01 | 天晟电气股份有限公司 | A kind of amorphous alloy transformer |
-
2014
- 2014-09-16 CN CN201420530944.5U patent/CN204087992U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183361A (en) * | 2014-09-16 | 2014-12-03 | 国家电网公司 | Main transformer radiator cooling device with photovoltaic conversion function and use method thereof |
| CN107424726A (en) * | 2017-05-12 | 2017-12-01 | 天晟电气股份有限公司 | A kind of amorphous alloy transformer |
| CN107424726B (en) * | 2017-05-12 | 2023-05-09 | 平顶山天晟电气有限公司 | Amorphous alloy transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |