CN104157404A - Dry-type transformer cooling device with photovoltaic conversion function and use method - Google Patents
Dry-type transformer cooling device with photovoltaic conversion function and use method Download PDFInfo
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- CN104157404A CN104157404A CN201410418768.0A CN201410418768A CN104157404A CN 104157404 A CN104157404 A CN 104157404A CN 201410418768 A CN201410418768 A CN 201410418768A CN 104157404 A CN104157404 A CN 104157404A
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Abstract
The invention relates to a dry-type transformer cooling device with the photovoltaic conversion function. The dry-type transformer cooling device with the photovoltaic conversion function comprises a photovoltaic conversion system, a cooling chamber, a refrigerating system and a control module. The dry-type transformer cooling device with the photovoltaic conversion function is characterized in that the photovoltaic conversion system provides the refrigerating system with electric energy required for operating, the cooling chamber is divided into an upper shell and a lower shell, the top of the upper shell is provided with a round hole allowing a dry-type transformer high-pressure casing pipe and a dry-type transformer low-pressure casing pipe to penetrate through, the part, penetrating out of the round hole, of each casing pipe is tightly sealed through a sealing ring, a dry-type transformer is fixed in a cavity of the cooling chamber, refrigerant flows in the cooling chamber in a circulating mode, the refrigerating system carries out refrigerating cycle on the refrigerant so that the requirement that the refrigerant cools the dry-type transformer can be met, a refrigerant inlet valve is installed at the lower portion of one side face of the cooling chamber, a refrigerant outlet valve is installed at the upper portion of the opposite side face of the cooling chamber, a temperature sensor is also installed at the upper portion of the side face, provided with the refrigerant inlet valve, of the cooling chamber, and the control module is electrically connected with the temperature sensor and a refrigeration compressor in the refrigerating system.
Description
Technical field
The present invention relates to a kind of cooling device for dry-type transformer with photovoltaic translation function, particularly a kind of cooling device for dry-type transformer with photovoltaic translation function and using method.
Background technology
Dry-type transformer is in running, under the effect of electricity and magnetic, its winding and iron core can generate heat, due to the design and operation mode of dry-type transformer uniqueness, himself radiating effect is very poor, now as can not be in time heat taken away, to cause dry-type transformer to burn the even serious accident of blast, the type of cooling of conventional dry transformer is to be dried by fan, or naturally cooling, these two kinds of type of cooling cooling effectivenesss are very low, the scope that cools is very little, be subject to such environmental effects large, often cause dry-type transformer copper iron loss large, overload and Short Circuit withstand current capacity are little, the shortcomings such as the short and safe class of insulation life is not enough.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide a kind of with photovoltaic translation function cooling device for dry-type transformer and using method, clean by utilizing, safe, efficient, reliable solar energy, offers the required electric energy of dry-type transformer cooling cycle system work.
The scheme that technical solution problem of the present invention adopts is a kind of cooling device for dry-type transformer with photovoltaic translation function, comprise photovoltaic converting system, cooling chamber, refrigerating system, control module, described photovoltaic converting system offers the required electric energy of refrigerating system work, described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulate coolant media, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, the work of nonstick system of control cold compressor.
Further, described coolant media is SF
6medium.
Further, 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, the electric connections such as described power-supply controller of electric and dry-type transformer cooling cycle system and external stand-by power supply, described photovoltaic converting system is passed through to receive solar energy, and carries out photovoltaic conversion and power supply control.
Further, described photovoltaic converting system solar receiver comprises turnover solar panel, described 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 and control comparator the PLC microcomputerized controller that catches solar energy, control all the time solar panel towards the sun.
Further, described refrigerating system is made up of the coolant media part circulating in refrigerant compressor, condenser, choke valve and cooling chamber, the outlet of described cooling chamber 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 import of cooling chamber, and refrigerant compressor is electrically connected at control module.
Further, described upper casing and lower casing are made by insulating material, and described upper casing is closely connected by fastening bolt with lower casing.
Further, described control module can be PLC or other computer processor.
Further, described photovoltaic converting system using method, carries out: (1) opens solar receiver, optical-electrical converter, energy-storing device and power-supply controller of electric according to the following steps, offers dry-type transformer cooling cycle system abundance, qualified power supply; (2) when at night or meet overcast and rainy for a long time, photovoltaic switching energy deficiency, and when the very high this rare situation of dry-type transformer cooling chamber temperature, external stand-by power supply drops into automatically; (3) due to overcast and rainy and night, dry-type transformer cooling chamber ambient temperature reduces, and can play the effect of effective cooling dry-type transformer, and the probability of therefore enabling external stand-by power supply is little; (4) by the program of Programming in advance, control solar receiver by PLC the sun carried out to real-time track tracking, effectively ensure all the time solar panel can the moment just to the sun, reach optimum state.
Further, the described cooling device for dry-type transformer using method with photovoltaic translation function, concrete operation step is as follows: (1) opens the inlet valve that enters coolant media of cooling chamber bottom and the outlet valve that goes out coolant media on cooling chamber top; (2) open choke valve; (3) open refrigerant compressor, coolant media starts circulation; (4) open cold condenser cooling blower, makes refrigerating system start operating dry-type transformer to carry out circulating cooling; (5) open control module, control module is according to the online temperature value of temperature sensor measurement transmission, and according to the temperature approach setting in advance, regulating and controlling Refrigerating Compressor with Inverter is worked.
Compared with prior art, the present invention has following beneficial effect: the present invention makes full use of this clean, efficient, the safe energy of solar energy as normality work energy, there are energy-conserving and environment-protective, safe and reliable, cooling effectiveness is high, equipment volume is little, safeguard less, overall operation economic dispatch huge advantage, can greatly reduce copper, the iron loss of operation dry-type transformer, strengthen its overload capacity and Short Circuit withstand current capacity, extend dry-type transformer useful life, powerful guarantee dry-type transformer safe operation is more the revolutionary character innovation of the dry-type transformer operation type of cooling.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention with photovoltaic translation function cooling device for dry-type transformer photovoltaic converting system figure;
Fig. 2 be the embodiment of the present invention receive solar energy work schematic diagram with photovoltaic translation function cooling device for dry-type transformer solar receiver;
Fig. 3 is the dry-type transformer structural representation of the embodiment of the present invention;
Fig. 4 is the cooling chamber structural representation of the embodiment of the present invention;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is cooling chamber upper casing, lower casing and the sealing gasket schematic diagram of the embodiment of the present invention;
Fig. 7 is that the dry-type transformer of the embodiment of the present invention is arranged on schematic diagram in cooling chamber;
Fig. 8 is the B-B cutaway view of Fig. 7;
Fig. 9 is the cooling device for dry-type transformer workflow schematic diagram with photovoltaic translation function of the embodiment of the present invention;
Figure 10 is the control module Automatic Control Theory block diagram of the embodiment of the present invention.
In figure: 1-cooling chamber upper casing, 2-bobbin seal circle, the coolant media in 3-cooling chamber, 4-temperature sensor, sealing gasket between 5-cooling chamber upper and lower shell, 6-cooling chamber lower casing, 7-cooling chamber inlet valve, 8-choke valve, 9-condensator outlet, 10-condenser, 11-condenser inlet, 12-cooling blower, 13-refrigerant compressor, 14-cooling chamber outlet valve, 15-cooling chamber upper and lower shell fastening bolt, 16-cooling chamber cased perforated, 17-solar receiver, 18-steering controller, 19-comparator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Fig. 1 ~ 10, a kind of cooling device for dry-type transformer with photovoltaic translation function, comprise photovoltaic converting system, cooling chamber, refrigerating system, control module, described photovoltaic converting system offers the required electric energy of refrigerating system work, described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulate coolant media, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, the work of nonstick system of control cold compressor.
In the present embodiment, 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, the electric connections such as described power-supply controller of electric and dry-type transformer cooling cycle system and external stand-by power supply, described photovoltaic converting system is by receiving solar energy, and carry out photovoltaic and change and power supply control, so that being provided, sufficient qualified electric energy supplies with the work of dry-type transformer cooling cycle system, when at night or meet overcast and rainy for a long time, photovoltaic switching energy deficiency, and when the very high this rare situation of dry-type transformer cooling chamber temperature, external stand-by power supply drops into automatically, due to overcast and rainy and night, dry-type transformer cooling chamber ambient temperature reduces, can play the effect of effective cooling dry-type transformer, therefore the probability of enabling external stand-by power supply is little.
In the present embodiment, described photovoltaic converting system solar receiver comprises turnover solar panel, described 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 and control comparator the PLC microcomputerized controller that catches solar energy, all the time control solar panel towards the sun, reach ceiling capacity collection capacity to realize each solar panel.
In the present embodiment, comparator operation principle is: shine in track on effective solar day, due to the rotation of the earth, with respect to a certain fixed location, the not track angle at sun place in the same time of the information such as its longitude and latitude being calculated to every day in 1 year, stores the track of sun position in each moment in 1 year in PLC into, follows the tracks of to realize real-time track by controlling comparator, just can effectively ensure solar panel can the moment just to the sun, reach optimum state.
In the present embodiment, described refrigerating system is made up of the coolant media part circulating in refrigerant compressor, condenser, choke valve and cooling chamber, the outlet of described cooling chamber 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 import of cooling chamber, and refrigerant compressor is electrically connected at control module.
In the present embodiment, described upper casing and lower casing are made by insulating material, and described upper casing is closely connected by fastening bolt with lower casing.
In the present embodiment, described control module can be PLC or other computer processor.
In the present embodiment, described coolant media can be SF
6medium can be also other applicable medium that does refrigerant with insulation, breath combustion, higher thermal enthalpy.
In the present embodiment, described circularly cooling work is: the heat that the coolant media in cooling chamber produces dry-type transformer in service is taken away, thereby cooling dry-type transformer, coolant media self is heated, coolant media after heat absorption is gone out from cooling chamber outlet valve, cooled compressor inlet sucks, in refrigerant compressor, be compressed into the coolant media gas of high pressure-temperature, this HTHP cold media gas extrudes from refrigerant compressor outlet, enter condenser to condenser inlet, HTHP cold media gas is condensed into high temperature refrigerant liquid in condenser, after this high temperature refrigerant liquid discharge condenser, flow to choke valve, reduce pressure throttling to cooling chamber by choke valve, cooling medium liquid body through decompression after throttling divides and is evaporated to gas, cooling medium liquid evacuator body can absorb amount of heat, thereby make whole refrigerants cooling, enter cooling chamber, operating dry-type transformer is carried out to the cool cycles of next round.
In the present embodiment, described control module is electrically connected at temperature sensor and refrigerant compressor, control module is according to the online temperature value of temperature sensor measurement transmission, according to the temperature approach setting in advance, the work of nonstick system of control cold compressor, when cooling indoor temperature exceedes the set point temperature difference when above, automatically start refrigerant compressor work, below cooling indoor temperature reaches the set point temperature difference time, automatically stop refrigerant compressor work, remain that dry-type transformer works within the scope of applicable chilling temperature, control module can be PLC or other computer processor.
In the present embodiment, described photovoltaic converting system using method, carries out: (1) opens solar receiver, optical-electrical converter, energy-storing device and power-supply controller of electric according to the following steps, offers dry-type transformer cooling cycle system abundance, qualified power supply; (2) when at night or meet overcast and rainy for a long time, photovoltaic switching energy deficiency, and when the very high this rare situation of dry-type transformer cooling chamber temperature, external stand-by power supply drops into automatically; (3) due to overcast and rainy and night, dry-type transformer cooling chamber ambient temperature reduces, and can play the effect of effective cooling dry-type transformer, and the probability of therefore enabling external stand-by power supply is little; (4) by the program of Programming in advance, control solar receiver 17 by PLC the sun carried out to real-time track tracking, effectively ensure all the time solar panel 17 can the moment just to the sun, reach optimum state.
In the present embodiment, the using method concrete operation step of the described cooling device for dry-type transformer with photovoltaic translation function is as follows: 1) open the inlet valve that enters coolant media 7 of cooling chamber bottom and the outlet valve that goes out coolant media 14 on cooling chamber top; 2) open choke valve 8; 3) open refrigerant compressor 13, coolant media starts circulation; 4) cooling blower 12 of open cold condenser 10, makes refrigerating system start operating dry-type transformer to carry out circulating cooling; 5) open control module, the online temperature value that control module is measured and transmitted according to temperature sensor 4, according to the temperature approach setting in advance, when cooling indoor temperature exceedes the set point temperature difference when above, automatically starting refrigerant compressor 13 works, below cooling indoor temperature reaches the set point temperature difference time, automatically stop refrigerant compressor 13 and work, remain that dry-type transformer works within the scope of applicable chilling temperature.
Above-listed preferred embodiment; the object, technical solutions and advantages of the present invention are further described; institute is understood that; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the cooling device for dry-type transformer with photovoltaic translation function, comprise photovoltaic converting system, cooling chamber, refrigerating system, control module, it is characterized in that: described photovoltaic converting system offers the required electric energy of refrigerating system work, described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulate coolant media, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, the work of nonstick system of control cold compressor.
2. the cooling device for dry-type transformer with photovoltaic translation function according to claim 1, is characterized in that: described coolant media is SF
6medium.
3. the cooling device for dry-type transformer with 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, 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, the electric connections such as described power-supply controller of electric and dry-type transformer cooling cycle system and external stand-by power supply, described photovoltaic converting system is by receiving solar energy, and carry out photovoltaic and change and power supply control.
According to described in claim 2 with photovoltaic translation function cooling device for dry-type transformer, it is characterized in that: described photovoltaic converting system solar receiver comprises turnover solar panel, described 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 and control comparator the PLC microcomputerized controller that catches solar energy, control all the time solar panel towards the sun.
5. the cooling device for dry-type transformer with photovoltaic translation function according to claim 1, it is characterized in that: described refrigerating system is made up of the coolant media part circulating in refrigerant compressor, condenser, choke valve and cooling chamber, the outlet of described cooling chamber 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 import of cooling chamber, and refrigerant compressor is electrically connected at control module.
6. the cooling device for dry-type transformer with photovoltaic translation function according to claim 1, is characterized in that: described upper casing and lower casing are made by insulating material, described upper casing is closely connected by fastening bolt with lower casing.
7. the cooling device for dry-type transformer with photovoltaic translation function according to claim 1, is characterized in that: described control module can be PLC or other computer processor.
8. one kind with photovoltaic translation function dry-type transformer falling film type heat-exchanger rig, it is characterized in that: described photovoltaic converting system using method, carry out according to the following steps: (1) opens solar receiver, optical-electrical converter, energy-storing device and power-supply controller of electric, offer dry-type transformer cooling cycle system abundance, qualified power supply; (2) when at night or meet overcast and rainy for a long time, photovoltaic switching energy deficiency, and when the very high this rare situation of dry-type transformer cooling chamber temperature, external stand-by power supply drops into automatically; (3) due to overcast and rainy and night, dry-type transformer cooling chamber ambient temperature reduces, and can play the effect of effective cooling dry-type transformer, and the probability of therefore enabling external stand-by power supply is little; (4) by the program of Programming in advance, control solar receiver by PLC the sun carried out to real-time track tracking, effectively ensure all the time solar panel can the moment just to the sun, reach optimum state.
9. the cooling device for dry-type transformer with photovoltaic translation function according to claim 1, it is characterized in that: the described cooling device for dry-type transformer using method with photovoltaic translation function, concrete operation step is as follows: (1) opens the inlet valve that enters coolant media of cooling chamber bottom and the outlet valve that goes out coolant media on cooling chamber top; (2) open choke valve; (3) open refrigerant compressor, coolant media starts circulation; (4) open cold condenser cooling blower, makes refrigerating system start operating dry-type transformer to carry out circulating cooling; (5) open control module, control module is according to the online temperature value of temperature sensor measurement transmission, and according to the temperature approach setting in advance, regulating and controlling Refrigerating Compressor with Inverter is worked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418768.0A CN104157404A (en) | 2014-08-25 | 2014-08-25 | Dry-type transformer cooling device with photovoltaic conversion function and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418768.0A CN104157404A (en) | 2014-08-25 | 2014-08-25 | Dry-type transformer cooling device with photovoltaic conversion function and use method |
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| CN104157404A true CN104157404A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410418768.0A Pending CN104157404A (en) | 2014-08-25 | 2014-08-25 | Dry-type transformer cooling device with photovoltaic conversion function and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Application publication date: 20141119 |
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