CN104505221B - There is main transformer on-line regeneration respirator and the control method thereof of photovoltaic translation function - Google Patents
There is main transformer on-line regeneration respirator and the control method thereof of photovoltaic translation function Download PDFInfo
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- CN104505221B CN104505221B CN201510006510.4A CN201510006510A CN104505221B CN 104505221 B CN104505221 B CN 104505221B CN 201510006510 A CN201510006510 A CN 201510006510A CN 104505221 B CN104505221 B CN 104505221B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008929 regeneration Effects 0.000 title claims abstract description 25
- 238000011069 regeneration method Methods 0.000 title claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 168
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 230000000241 respiratory effect Effects 0.000 claims abstract description 42
- 239000003230 hygroscopic agent Substances 0.000 claims abstract description 41
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 17
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 235000012736 patent blue V Nutrition 0.000 claims description 9
- 235000015927 pasta Nutrition 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Drying Of Gases (AREA)
Abstract
The present invention relates to have photovoltaic conversion and the main transformer on-line regeneration respirator of microwave heating function and control method thereof, this device includes microwave heating equipment, moisture absorption tank, three-way pipe, respiratory siphon and valve, and microwave heating equipment is connected to photovoltaic converting system；The method includes: when wherein a moisture absorption tank enters after disarmed state, be switched on another moisture absorption tank, carries out microwave drying by the hygroscopic agent in the microwave heating equipment moisture absorption tank to this disarmed state simultaneously；After another moisture absorption tank enters disarmed state, it is switched on this moisture absorption tank, repeats the drying process to another moisture absorption tank simultaneously, and circulate according to this.The present invention utilizes microwave heating equipment heat drying regeneration techniques; solve tradition main transformer breathing equipment need to manually be replaced when the saturated inefficacy of hygroscopic agent moisture absorption; and Renewal process also needs exit main transformer weight watt protection device and there is the problems such as major safety risks; and use photovoltaic converting system to power; reduce energy consumption, it is ensured that effective offer of electric energy.
Description
Technical field
The present invention relates to main transformer on-line regeneration respirator and the control method thereof with photovoltaic translation function.
Background technology
Main transformer is in operation, and can produce respiration by respiratory siphon with outside air, and as on respiratory siphon, nothing installs respirator, main transformer is directly sucked in extraneous humid air, is more easy to make main transformer make moist in rainy day and high humidity weather especially.Tradition main transformer breathing equipment is built with variable color silica gel; when its hygroscopic agent variable color silica gel moisture absorption is saturated; staff is needed to carry qualified dry hygroscopic agent or install the moisture absorption tank of qualified hygroscopic agent and be replaced to main transformer scene; in Renewal process, main transformer respiratory siphon directly communicates with ambient atmosphere; main transformer respiratory air flow can be caused to change; the catastrophe failure of main transformer Buchholz relay weight watt malfunction may be caused; therefore tradition main transformer breathing equipment just can must be carried out after a main transformer weight watt protection device being exited when changing adsorbent, and post-set time is up to 3-4 hour.
A weight watt protection is that main transformer runs one of most important protection device; when main transformer is when just in case occurring the fault producing oil stream or gas shock; Buchholz relay weight watt can action; main transformer switch is made to trip; the further expansion of Accident prevention, now heavy watt is such as exited, it is impossible to cut off main transformer switch; cause fault spread, even cause the serious consequence that main transformer explodes.Move back weight watt protection device operate by operations staff transformer station's master control room of making a special trip to a certain place after unit one belongs to chief engineer ratifies, work consuming, time-consumingly and expend a lot of.
It is illustrated in figure 1 tradition main transformer breathing equipment, one shortcoming of this device is, when changing variable color silica gel, after unloading moisture absorption tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily breathe connecting leg by main transformer to invade in main transformer oil, and replacing hygroscopic agent can cause waste, the most easily pollutes environment simultaneously.
Summary of the invention
It is an object of the invention to provide tool photovoltaic conversion and the main transformer on-line regeneration respirator of microwave heating function and control method thereof, exit main transformer respiratory siphon when weight watt is protected and be there is the problems such as potential safety hazard and unload moisture absorption tank to overcome tradition main transformer breathing equipment to need during hygroscopic agent when changing and directly communicate with ambient atmosphere and so that main transformer respiratory air flow, external world's moisture moisture is directly sucked in and causes the defect made moist.
For achieving the above object, the technical scheme is that a kind of main transformer on-line regeneration respirator with photovoltaic translation function, it is characterized in that, including: a microwave heating equipment, the first moisture absorption tank, the second moisture absorption tank, the first valve, the second valve, three-way pipe and main transformer respiratory siphon；One end of described microwave heating equipment is connected with photovoltaic converting system, and this photovoltaic converting system is with thinking that described microwave heating equipment supplies working power；The other end of described microwave heating equipment is connected with described first moisture absorption tank and described second moisture absorption tank respectively；Described first moisture absorption tank is connected with the first interface of described three-way pipe through described first valve；Described second moisture absorption tank is connected with the second interface of described three-way pipe through described second valve；3rd interface of described three-way pipe is connected to the conservator of main transformer body through described main transformer respiratory siphon.
In an embodiment of the present invention, described photovoltaic converting system includes: 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 through being connected with described energy-storing device, and described energy-storing device is connected with described solar receiver through described photovoltaic converter；Described external stand-by power supply is connected with described power-supply controller of electric；Described power-supply controller of electric is connected with described microwave heating equipment one end.
In an embodiment of the present invention, described solar receiver includes that multiple turnover solar panel, described solar panel lower end are placed in rotating shaft and are connected with described energy-storing device；Described every solar panel lower end is provided with axle sleeve, and described axle sleeve is placed in described rotating shaft, and described rotating shaft is controlled to rotate by steering controller, and described steering controller is connected with the comparator arranged in described energy-storing device；Described comparator is collected energy size according to each solar panel and is controlled rotating shaft and rotate and reach ceiling capacity collection capacity realizing each solar panel.
In an embodiment of the present invention, described microwave heating equipment includes a microwave generator, a waveguide switching valve, first wave conduit and second waveguide pipe；Described microwave generator is connected with described first wave conduit and described second waveguide pipe respectively through described waveguide switching valve；Described first wave conduit is connected with described first moisture absorption tank, and stretches in described first moisture absorption tank；Described second waveguide pipe is connected with described second moisture absorption tank, and stretches in described second moisture absorption tank；Hygroscopic agent in moisture absorption tank, for being launched by the microwave produced by described microwave generator to corresponding moisture absorption tank, is thermally dried by described first wave conduit and described second waveguide pipe.
In an embodiment of the present invention, described main transformer respiratory siphon upper end and the inner space of conservator, it is used for absorbing air.
In an embodiment of the present invention, described first moisture absorption tank and described second moisture absorption tank all use the material not absorbing microwave and preventing microwave from leaking, and use the internal shield microwaves that accompanies to leak the special glass cylinder of wire netting in the middle part of moisture absorption tank.
In an embodiment of the present invention, the tank base of described first moisture absorption tank and described second moisture absorption tank all offers a pneumostome, and described pneumostome is embedded with a filter screen；The tank base of described first moisture absorption tank and described second moisture absorption tank is respectively connected with in a lubricating cup, and this lubricating cup and fills transformer oil；Described pneumostome lower end is extended with communicating pipe, described communicating pipe lower ending opening stretch in the transformer oil in described lubricating cup to form oil sealing;It is provided with aerial respiration gap between the tank base of described lubricating cup top and described first moisture absorption tank or described second moisture absorption tank, sucks part moisture and the dust of external air-flow entrained with for filtering main transformer.
Further, the control method of a kind of main transformer on-line regeneration respirator with photovoltaic translation function is also provided for, it is characterised in that in accordance with the following steps:
S1: main transformer is properly functioning, in its conservator, transformer oil surface varies with temperature and expands with heat and contract with cold, for the change of pressure on balance main transformer conservator pasta, the transformer oil carried out in main transformer in respiration, i.e. conservator is breathed with ambient atmosphere by the moisture absorption tank that main transformer respiratory siphon lower end is corresponding；When transformer oil pasta raises in main transformer conservator, breathe out air, otherwise suck air；
S2: open described first valve, keeps described first moisture absorption tank to connect with main transformer through described main transformer respiratory siphon, and using described first moisture absorption tank as main transformer respirator；Close described second valve, described second moisture absorption tank is isolated with main transformer respiratory siphon, and using described second moisture absorption tank as backup breaths device；
S3: along with respiratory lasting, when in described first moisture absorption tank, hygroscopic agent moisture absorption was lost efficacy, in described first moisture absorption tank, variable color silica gel sky blue when dry is changed into the pink that moisture absorption is saturated, now close described first valve, open described second valve, described first moisture absorption tank is isolated with described main transformer respiratory siphon, using described second moisture absorption tank as main transformer respirator, keeps described second moisture absorption tank unobstructed with described main transformer respiratory siphon；
S4: open described microwave heating equipment, switch described waveguide switching valve to lead to described first wave guide pipeline, described microwave generator produces microwave, by described first wave conduit, described first moisture absorption tank is launched microwave, owing to hydrone is polar molecule, after in described first moisture absorption tank, the moisture of hygroscopic agent absorption receives microwave, its hydrone is internal produces acutely vibration, heating, thus is heated, evaporates, is dried；
S5: along with the carrying out of microwave heating process, when in described first moisture absorption tank, hygroscopic agent variable color silica gel is changed into dry sky blue from the pink that moisture absorption is saturated, close described microwave heating equipment, close described waveguide switching valve, and using described first moisture absorption tank as backup breaths device；
S6: when hygroscopic agent lost efficacy in described second moisture absorption tank, close described second valve, open described first valve, described second moisture absorption tank is isolated with described main transformer respiratory siphon, using described first moisture absorption tank as described main transformer respirator, keep described first moisture absorption tank unobstructed with described main transformer respiratory siphon；Opening described microwave heating equipment, switch described waveguide switching valve and lead to described second waveguide pipeline, described microwave generator produces microwave, by described second waveguide pipe, described second moisture absorption tank is launched microwave, is dried hygroscopic agent in described second moisture absorption tank；Carrying out along with microwave heating process, when in described second moisture absorption tank, hygroscopic agent variable color silica gel is changed into dry sky blue from the pink that moisture absorption is saturated, close described microwave heating equipment, close described waveguide switching valve, and using described second moisture absorption tank as backup breaths device；
S7: when hygroscopic agent moisture absorption was lost efficacy in described first moisture absorption tank, then forward step S3 to；And constantly circulate carry out by above procedure, complete the heat drying regeneration of hygroscopic agent, and without changing hygroscopic agent.
In an embodiment of the present invention, in photovoltaic converting system power supply process, opening stand-by power supply when system power supply deficiency in photovoltaic is that microwave generator is powered.
Compared to prior art, the method have the advantages that
nullThe present invention is by providing a kind of main transformer on-line regeneration respirator with photovoltaic translation function and control method thereof，Make full use of this safety of solar energy、Cleaning、Efficiently、Economical、The energy of environmental protection is as normality work energy，Without changing hygroscopic agent，Solve tradition main transformer breathing equipment to need to exit weight when changing during hygroscopic agent and watt protect and there is the problems such as potential safety hazard，Overcome main transformer respiratory siphon when unloading moisture absorption tank directly to communicate with ambient atmosphere and be directly sucked in by extraneous moisture moisture so that main transformer respiratory air flow and cause the defect made moist，Effectively ensure main transformer safe operation，Avoid waste and the environmental pollution changing man power and material during hygroscopic agent simultaneously，Microwave heating equipment due to designed making，Pass through microwave，Make acutely to vibrate inside the hydrone that hygroscopic agent adsorbs heating，Thus it is heated、Evaporation、It is dried，Therefore there is the more preferable efficiency of heating surface、Use safety、The advantage such as energy-saving and cost-reducing，Huge advantage is had compared with tradition main transformer breathing equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of tradition main transformer breathing equipment.
Fig. 2 is the structural representation having photovoltaic conversion in the present invention with the main transformer on-line regeneration respirator of microwave heating function.
Fig. 3 is the connection diagram of photovoltaic converting system in the present invention.
Fig. 4 is the structural representation of solar receiver in the present invention.
Fig. 5 is the schematic diagram that in the present invention, waveguide switching valve is in non-switching state.
Fig. 6 is that in the present invention, waveguide switching valve is in and first wave conduit connection status schematic diagram.
Fig. 7 is that in the present invention, waveguide switching valve is in and second waveguide pipe connection status schematic diagram.
Fig. 8 is the external structure schematic diagram of moisture absorption tank in the present invention.
Fig. 9 is the internal structure schematic diagram of moisture absorption tank in the present invention.
Figure 10 is the main transformer regeneration respirator operation principle block diagram having photovoltaic conversion in the present invention with microwave heating function.
Figure 11 is that in the present invention, microwave generator is thermally dried schematic diagram through waveguide transmitting microwave to variable color silica gel
In figure: 1-microwave generator, 2-waveguide switching valve, 3-first wave conduit, 4-the first moisture absorption tank, 5-the first valve, 6-second waveguide pipe, 7-the second moisture absorption tank, 8-the second valve, 9-three-way pipe, 10-main transformer respiratory siphon, 11-conservator, 12-lubricating cup, 13-oil sealing, 14-pneumostome, 15-aerial respiration gap, 16-filter screen, the special glass cylinder of 17-inner clip shield microwaves wire netting；18-variable color silica gel, 19-main transformer, 20-solar panel, 21-steering controller, 22-comparator.
Detailed description of the invention
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
The present invention provides a kind of main transformer on-line regeneration respirator with photovoltaic translation function, it is characterized in that, as in figure 2 it is shown, include: a microwave heating equipment, first moisture absorption tank the 4, second moisture absorption tank the 7, first valve the 5, second valve 8, three-way pipe 9 and main transformer respiratory siphon 10；One end of described microwave heating equipment is connected with photovoltaic converting system, and this photovoltaic converting system is with thinking that described microwave heating equipment supplies working power；The other end of described microwave heating equipment is connected with described first moisture absorption tank 4 and described second moisture absorption tank 7 respectively；Described first moisture absorption tank 4 is connected with the first interface of described three-way pipe 9 through described first valve 5；Described second moisture absorption tank 7 is connected with the second interface of described three-way pipe 9 through described second valve 8；3rd interface of described three-way pipe 9 is connected to the conservator 11 of main transformer body through described main transformer respiratory siphon 10.
In the present embodiment, as described in Figure 3, described photovoltaic converting system includes: 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 through being connected with described energy-storing device, and described energy-storing device is connected with described solar receiver through described photovoltaic converter；Described external stand-by power supply is connected with described power-supply controller of electric；Described power-supply controller of electric is connected with described microwave heating equipment one end；Described power-supply controller of electric is also connected with refrigeration system.Described photovoltaic converting system is supplied to the electric energy needed for microwave heating equipment work, when meeting the most overcast and rainy or night, can switch to external stand-by power supply power, under normal circumstances, closed mode located usually by external stand-by power supply, only when needs on-line regeneration during photovoltaic transition electric power system electricity shortage, stand-by power supply could be opened.
Further, as shown in Figure 4, described solar receiver includes that multiple turnover solar panel 20, described solar panel 20 lower end are placed in rotating shaft and are connected with described energy-storing device；Described every solar panel lower end is provided with axle sleeve, and described axle sleeve is placed in described rotating shaft, and described rotating shaft is controlled to rotate by steering controller 21, and described steering controller is connected with the comparator 22 arranged in described energy-storing device；Described comparator is collected energy sizes according to 22 each solar panels and is controlled rotating shafts and rotate and reach ceiling capacity collection capacity realizing each solar panel.
Energy storage efficiency is accepted in order to ensure solar receiver, the present embodiment also provide for a kind of have auto-control solar panels towards device, as shown in Figure 4, described comparator is also connected with the PLC microcomputerized controller of a solar energy, its operation principle is: in effective sun sunlight trace, rotation due to the earth, relative to a certain fixed location, the trajectory angle at the place of the sun the most in the same time of every day during the information such as its longitude and latitude are calculated 1 year, the track of sun position in moment each in 1 year is stored in PLC, follow the tracks of to realize real-time track by controlling comparator, just can be effectively ensured solar panel can the moment just to the sun, reach optimum state.
In the present embodiment, as it is shown in figure 1, described microwave heating equipment includes microwave generator 1, waveguide switching valve 2, first wave conduit 3 and second waveguide pipe 6；Described microwave generator 1 is connected with described first wave conduit 3 and described second waveguide pipe 6 respectively through described waveguide switching valve 2；Described first wave conduit 3 is connected with described first moisture absorption tank 4, and stretches in described first moisture absorption tank 4；Described second waveguide pipe 6 is connected with described second moisture absorption tank 7, and stretches in described second moisture absorption tank 7；Hygroscopic agent in moisture absorption tank, for being launched by the microwave produced by described microwave generator 1 to corresponding moisture absorption tank, is thermally dried by described first wave conduit 3 and described second waveguide pipe 6, and in the present embodiment, uses variable color silica gel 18.As shown in Fig. 5 ~ 7,2 three kinds of switching states of valve are switched for waveguide, Fig. 5 corresponds to the waveguide switching non-switching state of valve 2, and Fig. 6 corresponds to waveguide switching valve 2 and first wave conduit 3 connection status, and Fig. 7 corresponds to waveguide switching valve 2 and second waveguide pipe 6 connection status.
In the present embodiment, described main transformer respiratory siphon 10 upper end and the inner space of conservator 11, it is used for absorbing air.
In the present embodiment, as shown in Figure 8, described first moisture absorption tank 4 and described second moisture absorption tank 7 all use the material not absorbing microwave and preventing microwave from leaking, and use the internal shield microwaves that accompanies to leak the special glass cylinder 17 of wire netting in the middle part of moisture absorption tank.
In the present embodiment, as it is shown in figure 9, the tank base of described first moisture absorption tank 4 and described second moisture absorption tank 7 all offers a pneumostome 14, described pneumostome 14 is embedded with a filter screen 16；The tank base of described first moisture absorption tank 4 and described second moisture absorption tank 7 is respectively connected with in a lubricating cup 12, and this lubricating cup 12 and fills transformer oil；Described pneumostome 14 lower end is extended with communicating pipe, described communicating pipe lower ending opening stretch in the transformer oil in described lubricating cup to form oil sealing 13；It is provided with aerial respiration gap 15 between the tank base of described lubricating cup 12 top and described first moisture absorption tank 4 or described second moisture absorption tank 7, sucks part moisture and the dust of external air-flow entrained with for filtering main transformer.
Further, the control method of a kind of main transformer on-line regeneration respirator with photovoltaic translation function is also provided for, it is characterised in that as shown in Figure 10, in accordance with the following steps:
S1: main transformer is properly functioning, in its conservator, transformer oil surface varies with temperature and expands with heat and contract with cold, for the change of pressure on balance main transformer conservator pasta, the transformer oil produced in main transformer in respiration, i.e. conservator is breathed with ambient atmosphere by the moisture absorption tank that main transformer respiratory siphon lower end is corresponding；When transformer oil pasta raises in main transformer conservator, breathe out air, otherwise suck air, as shown in figure 11；
S2: described first valve opening, keeps described first moisture absorption tank to connect with main transformer through described main transformer respiratory siphon, and described first moisture absorption tank is as main transformer respirator；Described second valve closing, described second moisture absorption tank is isolated with main transformer respiratory siphon, and described second moisture absorption tank is as backup breaths device；
S3: along with respiratory lasting, when in first moisture absorption tank, hygroscopic agent moisture absorption was lost efficacy, in first moisture absorption tank, variable color silica gel sky blue when dry is changed into the pink that moisture absorption is saturated, now close the first valve, open the second valve, first moisture absorption tank is isolated with main respirator, using the second moisture absorption tank as main transformer respirator, keeps the second moisture absorption tank unobstructed with main transformer respiratory siphon；
S4: open microwave heating equipment, switching waveguide switching valve leads to first wave guide pipeline, i.e. it is switched to K1 position, microwave generator produces microwave, by first wave conduit, the first moisture absorption tank is launched microwave, owing to hydrone is polar molecule, after in the first moisture absorption tank, the moisture of hygroscopic agent absorption receives microwave, its hydrone is internal produces acutely vibration, heating, thus be heated, evaporate, be dried, as shown in figure 11；
S5: along with the carrying out of microwave heating process, when in the first moisture absorption tank, hygroscopic agent variable color silica gel is changed into dry sky blue from the pink that moisture absorption is saturated, close microwave heating equipment, close waveguide switching valve, and using the first moisture absorption tank as backup breaths device, and this process can be by manually visually observing, and by manual operation valve and waveguide switching device；
S6: when hygroscopic agent lost efficacy in the second moisture absorption tank, close the second valve, open the first valve, isolates the second moisture absorption tank with main respirator, using the first moisture absorption tank as main transformer respirator, keeps the first moisture absorption tank unobstructed with main transformer respiratory siphon；Opening microwave heating equipment, switching waveguide switching valve leads to second waveguide pipeline, is i.e. switched to K2 position, and microwave generator produces microwave, by second waveguide pipe, the second moisture absorption tank launched microwave, is dried hygroscopic agent in the second moisture absorption tank；Along with the carrying out of microwave heating process, when hygroscopic agent variable color silica gel is changed into dry sky blue from the pink that moisture absorption is saturated in the second moisture absorption tank, close microwave heating equipment, close waveguide switching valve, and using the second moisture absorption tank as standby moisture absorption tank；
S7: when hygroscopic agent moisture absorption was lost efficacy in the first moisture absorption tank, then forward step S3 to；And constantly circulate carry out by above procedure, it is achieved the heat drying regeneration of hygroscopic agent, and without changing hygroscopic agent.
It is above presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, when produced function is without departing from the scope of technical solution of the present invention, belong to protection scope of the present invention.
Claims (7)
1. have a control method for the main transformer on-line regeneration respirator of photovoltaic translation function,
It is characterized in that, it is provided that the main transformer on-line regeneration respirator of a tool photovoltaic translation function, including: a microwave heating equipment, the first moisture absorption tank, the second moisture absorption tank, the first valve, the second valve, three-way pipe and main transformer respiratory siphon；
One end of described microwave heating equipment is connected with photovoltaic converting system, and this photovoltaic converting system is with thinking that described microwave heating equipment supplies working power；The other end of described microwave heating equipment is connected with described first moisture absorption tank and described second moisture absorption tank respectively
；Described first moisture absorption tank is connected with the first interface of described three-way pipe through described first valve；Described second moisture absorption tank is connected with the second interface of described three-way pipe through described second valve；3rd interface of described three-way pipe is connected to the conservator of main transformer body through described main transformer respiratory siphon；
Described microwave heating equipment includes a microwave generator, a waveguide switching valve, first wave conduit and second waveguide pipe；Described microwave generator is connected with described first wave conduit and described second waveguide pipe respectively through described waveguide switching valve
；Described first wave conduit is connected with described first moisture absorption tank, and stretches in described first moisture absorption tank；Described second waveguide pipe is connected with described second moisture absorption tank, and stretches in described second moisture absorption tank；Described first wave conduit and described second waveguide pipe are used for being launched by the microwave produced by described microwave generator to corresponding moisture absorption tank,
Hygroscopic agent in moisture absorption tank is thermally dried；
In accordance with the following steps:
S1: main transformer is properly functioning, in its conservator, transformer oil surface varies with temperature and expands with heat and contract with cold, for balancing the change of pressure on main transformer conservator pasta,
The transformer oil carried out in main transformer in respiration, i.e. conservator is breathed with ambient atmosphere by the moisture absorption tank that main transformer respiratory siphon lower end is corresponding；When transformer oil pasta raises in main transformer conservator, breathe out air, otherwise suck air；
S2: open described first valve, keeps described first moisture absorption tank to connect with main transformer through described main transformer respiratory siphon, and using described first moisture absorption tank as main transformer respirator
；Close described second valve, described second moisture absorption tank is isolated with main transformer respiratory siphon, and using described second moisture absorption tank as backup breaths device；
S3: along with respiratory lasting, when in described first moisture absorption tank, hygroscopic agent moisture absorption was lost efficacy, in described first moisture absorption tank, variable color silica gel sky blue when dry is changed into the pink that moisture absorption is saturated,
Now close described first valve, open described second valve, described first moisture absorption tank is isolated with described main transformer respiratory siphon, using described second moisture absorption tank as main transformer respirator, keeps described second moisture absorption tank unobstructed with described main transformer respiratory siphon；
S4: open described microwave heating equipment, switches described waveguide switching valve and turns on described first wave conduit, and described microwave generator produces microwave, by described first wave conduit, described first moisture absorption tank launched microwave,
Owing to hydrone is polar molecule, after in described first moisture absorption tank, the moisture of hygroscopic agent absorption receives microwave, its hydrone is internal produces acutely vibration, heating, thus is heated, evaporates, is dried；
S5: along with the carrying out of microwave heating process, when hygroscopic agent variable color silica gel is changed into dry sky blue from the pink that moisture absorption is saturated in described first moisture absorption tank,
Close described microwave heating equipment, close described waveguide switching valve, and using described first moisture absorption tank as backup breaths device；
S6: when hygroscopic agent lost efficacy in described second moisture absorption tank, close described second valve, open described first valve, isolates described second moisture absorption tank with described main transformer respiratory siphon,
Using described first moisture absorption tank as described main transformer respirator, keep described first moisture absorption tank unobstructed with described main transformer respiratory siphon；Opening described microwave heating equipment, switch described waveguide switching valve and turn on described second waveguide pipe, described microwave generator produces microwave, by described second waveguide pipe, described second moisture absorption tank is launched microwave,
Hygroscopic agent in described second moisture absorption tank is dried；Along with the carrying out of microwave heating process, when hygroscopic agent variable color silica gel is changed into dry sky blue from the pink that moisture absorption is saturated in described second moisture absorption tank, close described microwave heating equipment,
Close described waveguide switching valve, and using described second moisture absorption tank as backup breaths device；
S7: when hygroscopic agent moisture absorption was lost efficacy in described first moisture absorption tank, then forward step S3 to；And constantly circulate carry out by above procedure, complete the heat drying regeneration of hygroscopic agent, and without changing hygroscopic agent.
2. according to the control method of the main transformer on-line regeneration respirator having photovoltaic translation function described in claim 1, it is characterised in that
: in photovoltaic converting system power supply process, opening stand-by power supply when system power supply deficiency in photovoltaic is that microwave generator is powered.
3. according to the control method of the main transformer on-line regeneration respirator having photovoltaic translation function described in claim 1, it is characterised in that
Described photovoltaic converting system includes: 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 through being connected with described energy-storing device, and described energy-storing device is connected with described solar receiver through described photovoltaic converter
；Described external stand-by power supply is connected with described power-supply controller of electric；Described power-supply controller of electric is connected with described microwave heating equipment one end.
4. according to the control method of the main transformer on-line regeneration respirator having photovoltaic translation function described in claim 3, it is characterised in that
Described solar receiver includes that multiple turnover solar panel, described solar panel lower end are placed in rotating shaft and are connected with described energy-storing device；Described every solar panel lower end is provided with axle sleeve, and described axle sleeve is placed in described rotating shaft,
Described rotating shaft is controlled to rotate by steering controller, and described steering controller is connected with the comparator arranged in described energy-storing device；Described comparator is collected energy size according to each solar panel and is controlled rotating shaft and rotate and reach ceiling capacity collection capacity realizing each solar panel.
5. according to the control method of the main transformer on-line regeneration respirator having photovoltaic translation function described in claim 1, it is characterised in that: described main transformer respiratory siphon upper end and the inner space of conservator, it is used for breathing air.
6. according to the control method of the main transformer on-line regeneration respirator having photovoltaic translation function described in claim 1, it is characterised in that: described first moisture absorption tank and described second moisture absorption tank all use the material not absorbing microwave and preventing microwave from leaking,
The internal shield microwaves that accompanies is used to leak the special glass cylinder of wire netting in the middle part of moisture absorption tank.
7. according to the control method of the main transformer on-line regeneration respirator having photovoltaic translation function described in claim 1, it is characterised in that: the tank base of described first moisture absorption tank and described second moisture absorption tank all offers a pneumostome,
Described pneumostome is embedded with a filter screen；The tank base of described first moisture absorption tank and described second moisture absorption tank is respectively connected with in a lubricating cup, and this lubricating cup and fills transformer oil；Described pneumostome lower end is extended with communicating pipe, described communicating pipe lower ending opening stretch in the transformer oil in described lubricating cup to form oil sealing;It is provided with aerial respiration gap between the tank base of described lubricating cup top and described first moisture absorption tank or described second moisture absorption tank, sucks part moisture and the dust of external air-flow entrained with for filtering main transformer.
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| CN201510006510.4A CN104505221B (en) | 2015-01-07 | 2015-01-07 | There is main transformer on-line regeneration respirator and the control method thereof of photovoltaic translation function |
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| CN201510006510.4A CN104505221B (en) | 2015-01-07 | 2015-01-07 | There is main transformer on-line regeneration respirator and the control method thereof of photovoltaic translation function |
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| CN104505221B true CN104505221B (en) | 2016-09-07 |
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| CN104766700B (en) * | 2015-04-16 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | Oil treatment provisions and method |
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| JP5489163B2 (en) * | 2010-03-26 | 2014-05-14 | 株式会社ダイヘン | Hygroscopic breathing device for oil-filled electrical equipment |
| CN103295759A (en) * | 2012-02-29 | 2013-09-11 | 湖南鸿道特磁技术有限公司 | Method for manufacturing permanent magnet |
| CN203966740U (en) * | 2014-07-01 | 2014-11-26 | 国家电网公司 | A kind of main transformer respirator with photovoltaic conversion on-line regeneration function |
| CN104036927B (en) * | 2014-07-01 | 2016-06-01 | 国家电网公司 | A kind of main transformer respiratory organ and using method with light volt conversion on-line regeneration function |
| CN104183366B (en) * | 2014-09-19 | 2016-06-01 | 国家电网公司 | A kind of transformer respiratory organ structure |
| CN204315343U (en) * | 2015-01-07 | 2015-05-06 | 国家电网公司 | A kind of main transformer regeneration respirator with photovoltaic translation function |
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