CN203799793U - Adsorbent-replacing-free breather with wired remote control main transformer - Google Patents
Adsorbent-replacing-free breather with wired remote control main transformer Download PDFInfo
- Publication number
- CN203799793U CN203799793U CN201420005801.2U CN201420005801U CN203799793U CN 203799793 U CN203799793 U CN 203799793U CN 201420005801 U CN201420005801 U CN 201420005801U CN 203799793 U CN203799793 U CN 203799793U
- Authority
- CN
- China
- Prior art keywords
- silica gel
- main transformer
- tank
- gel tank
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000000741 silica gel Substances 0.000 claims abstract description 122
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 122
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000003230 hygroscopic agent Substances 0.000 claims description 25
- 230000000241 respiratory effect Effects 0.000 claims description 22
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 239000003463 adsorbent Substances 0.000 abstract description 2
- 229960001866 silicon dioxide Drugs 0.000 abstract 9
- 239000011358 absorbing material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 244000144730 Amygdalus persica Species 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Transformer Cooling (AREA)
Abstract
The utility model relates to an adsorbent-replacing-free breather with wired remote control main transformer. The breather comprises a silica gel tank t-branch pipe and an air heater t-branch pipe. A main pipe of the silica gel tank t-branch pipe is connected with a main transformer breathing pipe, one branch pipe is provided with an electromagnetic valve A and connected with a silica gel tank A, and the other branch pipe is provided with an electromagnetic valve B and connected with a silica gel tank B. The silica gel tank A and the silica gel tank B are filled with allochroic silicagel serving as moisture absorbing materials. A main pipe of the air heater t-branch pipe is connected with an air heater, one branch pipe is provided with an electromagnetic valve C and connected with the silica gel tank A, and the other branch pipe is provided with an electromagnetic valve D and connected with the silica gel tank B. The starting and stopping of the electromagnetic valves and an air heater power source are remotely controlled through a power controller in a wired mode. According to the breather, great unsafe factors are avoided, safe operation of the main transformer is powerfully guaranteed, and labor and material resource waste and environment pollution in the adsorbent replacement process are avoided.
Description
Technical field
The utility model relates to a kind of respirator of controlling main transformer free of replacement hygroscopic agent with wired remote.
Background technology
Main transformer is in operation, and can produce respiration by respiratory siphon and outside air, as nothing on respiratory siphon, respirator is installed, and main transformer directly sucks extraneous humid air, more easily makes main transformer make moist especially in rainy day and high humidity weather.Tradition main transformer respirator is when its moisture absorption filler discolour silica gel moisture absorption is saturated; the silica gel tank that needs staff to carry qualified dry hygroscopic agent or install qualified hygroscopic agent is to the on-the-spot charged for replacement of main transformer; in Renewal process, main transformer respiratory siphon directly communicates with ambient atmosphere; can cause that main transformer respiratory air flow changes; the catastrophe failure that may cause the heavy watt malfunction of main transformer Buchholz relay; therefore traditional main transformer respirator just can carry out after the heavy watt protective device of main transformer must being exited when changing adsorbent, reaches 4-5 hour disengaging time.
A heavy watt protection is that main transformer moves one of most important protective device; when main transformer is when contingency occurs to produce the fault of oil stream or gas shock; Buchholz relay weight watt can move; make main transformer switch tripping operation; the further expansion of Accident prevention,, can not cut off main transformer switch by now heavy watt as exit; cause fault spread, even cause the serious consequence of main transformer blast.Move back after the heavy watt of protective device Xu Jing chief engineer of unit one belongs to approval, by operations staff's transformer station's master-control room of making a special trip to a certain place, operated, work consuming, consuming time and expend a lot of.
Another shortcoming of tradition main transformer respirator is, when changing discolour silica gel, to unload after silica gel tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily by main transformer, breathe connecting leg and invade in main transformer oil, and change hygroscopic agent and can cause waste, the while is easy contaminated environment also.
Utility model content
The problem that the utility model exists for above-mentioned prior art is made improvement, be that technical problem to be solved in the utility model is to provide a kind of respirator of controlling main transformer free of replacement hygroscopic agent with wired remote, without staff to the on-the-spot charged work of changing hygroscopic agent of main transformer, having solved traditional main transformer respirator need to exit heavy watt during hygroscopic agent and protect and have problems such as potential safety hazard when changing, overcome the defect that while unloading silica gel tank, main transformer respiratory siphon directly communicates and main transformer respiratory air flow directly sucked extraneous moisture moisture and cause making moist with ambient atmosphere, thereby powerful guarantee main transformer safe operation, also avoided manpower in replacing hygroscopic agent process simultaneously, the waste of material resources and environmental pollution, compared huge advantage with traditional main transformer respirator.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of respirator of controlling main transformer free of replacement hygroscopic agent with wired remote, comprise silica gel tank three-way pipe and air-heater three-way pipe, the supervisor of described silica gel tank three-way pipe is connected with main transformer respiratory siphon, A electromagnetically operated valve is installed on one branched pipe of described silica gel tank three-way pipe and is connected with A silica gel tank, B electromagnetically operated valve be installed on another branched pipe of described silica gel tank three-way pipe and be connected with B silica gel tank, in described A silica gel tank and B silica gel tank, being all filled with the discolour silica gel as hygroscopic material; The supervisor of described air-heater three-way pipe is connected with air-heater, C electromagnetically operated valve is installed on one branched pipe of described air-heater three-way pipe and is connected with A silica gel tank, D electromagnetically operated valve is installed on another branched pipe of described air-heater three-way pipe and is connected with B silica gel tank, the opening and closing of those electromagnetically operated valves and air-heater power supply are by power-supply controller of electric Long-distance Control, between described power-supply controller of electric and those electromagnetically operated valves and air-heater, by control cables line, are electrically connected.
Further, described power-supply controller of electric is provided with the control switch of five opening and closing that are used for respectively Long-distance Control respective electrical magnet valve and air-heater, wherein K1 switch is controlled A electromagnetically operated valve, K2 switch is controlled B electromagnetically operated valve, K3 switch is controlled C electromagnetically operated valve, K4 switch is controlled D electromagnetically operated valve, and K5 switch is controlled air-heater.
Further, those electromagnetically operated valves and air-heater are closed condition when access failure power supply, are opening after switching on power.
Further, described power-supply controller of electric is arranged in the control cubicle or control panel of Substation control chamber, to carry out Remote operation.
Further, described air-heater provides the saturated discolour silica gel blowing of moisture absorption in arbitrary silica gel tank thermal regeneration as being dried the hot dry wind of discolour silica gel.
Further, the glass structure of those silica gel tanks is the heat resistant glass that can bear 180 ℃ of temperature.
Further, described A silica gel tank and B silica gel tank include to be deposited the tank body of discolour silica gel and is threaded connection in tank body lower end and in order to deposit the lubricating cup of transformer oil, the bottom of described tank body is provided with a pneumostome, in described pneumostome, be provided with a filter screen, the transformer oil in the pneumostome insertion lubricating cup of described tank base is to form oil sealing.
Further, described main transformer respiratory siphon is connected with the conservator top that is arranged at main transformer body top, on the tube connector of described conservator and main transformer main body, Buchholz relay is installed, and described main transformer body bottom is provided with fuel outlet valve.
Should control control method of respirator of main transformer free of replacement hygroscopic agent with wired remote as follows: during by power-supply controller of electric remote opening A electromagnetically operated valve, A silica gel tank is as the respirator of main transformer, B closed electromagnetic valve now, B silica gel tank is as standby, when the respiratory air flow of main transformer during with extraneous breathing carry secretly moisture by A silica gel tank in during discolour silica gel absorption, the blueness of the color of discolour silica gel when being dried changes pink gradually into, increase along with silica gel moisture absorption degree, changing peach silica gel height into constantly rises, in rising to A silica gel tank during the setting height place of discolour silica gel, first open B electromagnetically operated valve, respirator using B silica gel tank as main transformer, after close A electromagnetically operated valve, by A silica gel tank and the isolation of main transformer respiratory siphon, open again C electromagnetically operated valve, open air-heater power supply the saturated discolour silica gel of moisture absorption in A silica gel tank is carried out to heated-air drying dehydration regeneration, along with the carrying out of dry run, the saturated discolour silica gel of moisture absorption changes blueness when dry into from pink gradually, when in A silica gel tank, all discolour silica gel colors all change blueness into, close air-heater power supply, close C electromagnetically operated valve, dry reproduction operation finishes, and A silica gel tank is standby as next round, B silica gel tank is undertaken by this process equally, and cycle alternation reaches the object of free of replacement discolour silica gel.
Compared with prior art, the utlity model has following beneficial effect: in service at main transformer respirator, when its hygroscopic agent moisture absorption is saturated, without staff to the on-the-spot charged work of changing hygroscopic agent of main transformer, but control switching by wired remote, circulation, regeneration discolour silica gel, remain the dry of main transformer respiratory air flow, avoid like this need exiting because changing discolour silica gel the great unsafe factor of the heavy watt protection of main transformer Buchholz relay, while also having avoided changing discolour silica gel, cause main transformer directly to suck the hidden danger of atmosphere moisture, the safe operation of powerful guarantee main transformer, also avoided manpower in replacing hygroscopic agent process simultaneously, the waste of material resources and environmental pollution, compared huge advantage with traditional main transformer respirator.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is silica gel tank respiratory schematic diagram.
Fig. 3 is that tank body separates schematic diagram with lubricating cup.
Fig. 4 is silica gel tank heating process schematic diagram.
Fig. 5 is the control circuit figure of the utility model embodiment.
In figure: 1-A silica gel tank, 2-air-heater, 3-B silica gel tank, 4-A electromagnetically operated valve, 5-B electromagnetically operated valve, 6-C electromagnetically operated valve, 7-D electromagnetically operated valve, 8-main transformer respiratory siphon, 9-conservator, 10-tube connector, 11-Buchholz relay, 12-fuel outlet valve, 13-main transformer main body, 14-tank body, 15-discolour silica gel, 16-lubricating cup, 17-transformer oil, 18-air bubble, 19-thread jacket, 20-thread, 21-filter screen, 22-pneumostome, 23-silica gel tank three-way pipe, 24-air-heater three-way pipe; K1, K2, K3, K4, K5-switch, L1, L2, L3, L4, L5-control cables line, A, B, C, D-electromagnetically operated valve, P-air-heater, N-ground connection, ∽ 220V-alternating current 220V.
Embodiment
As shown in Fig. 1 ~ 5, a kind of respirator of controlling main transformer free of replacement hygroscopic agent with wired remote, comprise silica gel tank three-way pipe 23 and air-heater three-way pipe 24, the supervisor of described silica gel tank three-way pipe 23 is connected with main transformer respiratory siphon 8, A electromagnetically operated valve 4 is installed on one branched pipe of described silica gel tank three-way pipe 23 and is connected with A silica gel tank 1, B electromagnetically operated valve 5 is installed on another branched pipe of described silica gel tank three-way pipe 23 and is connected with B silica gel tank 3, the interior discolour silica gel 15 being all filled with as hygroscopic material of described A silica gel tank 1 and B silica gel tank 3; The supervisor of described air-heater three-way pipe 24 is connected with air-heater 2, C electromagnetically operated valve 6 is installed on one branched pipe of described air-heater three-way pipe 24 and is connected with A silica gel tank 1, D electromagnetically operated valve 7 is installed on another branched pipe of described air-heater three-way pipe 24 and is connected with B silica gel tank 3, the opening and closing of those electromagnetically operated valves and air-heater 2 power supplys are by power-supply controller of electric Long-distance Control, between described power-supply controller of electric and those electromagnetically operated valves and air-heater 2, by control cables line, are electrically connected.
In the present embodiment, described power-supply controller of electric can be arranged in the control cubicle/control panel in transformer station's master-control room or other control room, to carry out Remote operation; Described power-supply controller of electric is provided with the control switch of five opening and closing that are used for respectively Long-distance Control respective electrical magnet valve and air-heater 2, wherein K1 switch is controlled A electromagnetically operated valve 4, K2 switch is controlled B electromagnetically operated valve 5, K3 switch is controlled C electromagnetically operated valve 6, K4 switch is controlled D electromagnetically operated valve 7, and K5 switch is controlled air-heater 2; Those electromagnetically operated valves and air-heater 2 are closed condition when access failure power supply, are opening after switching on power.
In the present embodiment, the hot dry wind that it is dry discolour silica gel 15 that described air-heater 2 provides the saturated discolour silica gel 15 blowing thermal regenerations of moisture absorption in arbitrary silica gel tank, the glass structure of those silica gel tanks is by the heat resistant glass manufacture that can bear 180 ℃ of temperature.Described A silica gel tank 1 and B silica gel tank 3 include to be deposited the tank body 14 of discolour silica gel 15 and is threaded connection in tank body 14 lower ends and in order to deposit the lubricating cup 16 of transformer oil 17, the bottom of described tank body 14 is provided with a pneumostome 22, in described pneumostome 22, be provided with a filter screen 21, the pneumostome 22 of described tank body 14 bottoms inserts and fills in the lubricating cup 16 of transformer oil 17, and the oil in lubricating cup 16 forms oil sealing.
In the present embodiment, the extraneous air-flow that main transformer sucks is by sucking in lubricating cup 16 in lubricating cup 16 and tank body 14 screw thread teeth spaces, suck air-flow and by oil sealing, enter pneumostome 22 in lubricating cup 16, now sucking the part steam of carrying secretly in air-flow is stopped by the oil in lubricating cup 16 and absorbs a part of, the inhaling air pneumostome 22 of flowing through, rise by the hygroscopic agent discolour silica gel 15 in tank by main transformer respiratory siphon 8 to conservator 9, when the discolour silica gel 15 by tank, sucking most moisture that air-flow carries secretly agent discolour silica gel 15 that is dried adsorbs, making main transformer suck air-flow keeps dry, guarantee that main transformer does not make moist, the air-flow that main transformer is breathed out is oppositely breathed out with suction air-flow, in Fig. 2, to upward arrow, represent that main transformer conservator 9 sucks air-flow, arrow represents main transformer conservator 9 exhaled air flows downwards.
In the present embodiment, described main transformer respiratory siphon 8 is connected with conservator 9 tops that are arranged at main transformer body top, on the tube connector 10 of described conservator 9 and main transformer main body 13, Buchholz relay 11 is installed, and described main transformer body bottom is provided with fuel outlet valve 12.
In the present embodiment, this control method with the respirator of wired remote control main transformer free of replacement hygroscopic agent is as follows: while connecting K1 with unlatching A electromagnetically operated valve 4, A silica gel tank 1 is as the respirator of main transformer, and now B electromagnetically operated valve 5 cuts out, and B silica gel tank 3 is as standby.When the respiratory air flow when main transformer is breathed with the external world is carried moisture by interior discolour silica gel 15 absorption of A silica gel tank 1 secretly, the blueness (wavelength 460nm) of the color of discolour silica gel 15 when being dried changes pink (wavelength 620nm) gradually into, increase along with silica gel moisture absorption degree, changing peach silica gel height into constantly rises, when rising to the setting height place (as 3/4 place of height) of A silica gel tank 1 interior discolour silica gel 15, for guaranteeing that main transformer respiratory does not make moist, and need switch the reproduction operation with discolour silica gel 15.Both can then manually be switched by the change color of discolour silica gel 15 in artificial remote monitoring observation silica gel tank, also can be detected by the automatic wavelength detecting in scene the change color of discolour silica gel 15 in corresponding silica gel tank, then automatically switched.Handoff procedure is as follows: first connect K2 to open B electromagnetically operated valve 5, respirator using B silica gel tank 3 as main transformer, rear disconnection K1 is to close A electromagnetically operated valve 4, by A silica gel tank 1 and 8 isolation of main transformer respiratory siphon, connect again K3 to open C electromagnetically operated valve 6, connect K5 and carry out heated-air drying dehydration regeneration to open 2 pairs of saturated discolour silica gels 15 of A silica gel tank 1 interior moisture absorption of air-heater; Carrying out along with dry run, the saturated discolour silica gel 15 of moisture absorption changes blueness when dry into from pink gradually, when interior whole discolour silica gel 15 colors of A silica gel tank 1 all change blueness into, disconnect K5 to close air-heater 2, disconnect K3 to close C electromagnetically operated valve 6, dry reproduction operation finishes, and A silica gel tank 1 is standby as next round.B silica gel tank 3 is undertaken by this process equally, and cycle alternation reaches the object of free of replacement discolour silica gel 15, and above operation is all carried out long-range, as transformer station's master-control room or other control room etc.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (8)
1. a respirator of controlling main transformer free of replacement hygroscopic agent with wired remote, it is characterized in that: comprise silica gel tank three-way pipe and air-heater three-way pipe, the supervisor of described silica gel tank three-way pipe is connected with main transformer respiratory siphon, A electromagnetically operated valve is installed on one branched pipe of described silica gel tank three-way pipe and is connected with A silica gel tank, B electromagnetically operated valve be installed on another branched pipe of described silica gel tank three-way pipe and be connected with B silica gel tank, in described A silica gel tank and B silica gel tank, being all filled with the discolour silica gel as hygroscopic material; The supervisor of described air-heater three-way pipe is connected with air-heater, C electromagnetically operated valve is installed on one branched pipe of described air-heater three-way pipe and is connected with A silica gel tank, D electromagnetically operated valve is installed on another branched pipe of described air-heater three-way pipe and is connected with B silica gel tank, the opening and closing of those electromagnetically operated valves and air-heater power supply are by power-supply controller of electric Long-distance Control, between described power-supply controller of electric and those electromagnetically operated valves and air-heater, by control cables line, are electrically connected.
2. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, it is characterized in that: described power-supply controller of electric is provided with the control switch of five opening and closing that are used for respectively Long-distance Control respective electrical magnet valve and air-heater, wherein K1 switch is controlled A electromagnetically operated valve, K2 switch is controlled B electromagnetically operated valve, K3 switch is controlled C electromagnetically operated valve, K4 switch is controlled D electromagnetically operated valve, and K5 switch is controlled air-heater.
3. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1 and 2, is characterized in that: those electromagnetically operated valves and air-heater are closed condition when access failure power supply, is opening after switching on power.
4. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1 and 2, is characterized in that: described power-supply controller of electric is arranged in the control cubicle or control panel of Substation control chamber, to carry out Remote operation.
5. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, is characterized in that: the hot dry wind that it is dry discolour silica gel that described air-heater provides the saturated discolour silica gel blowing of moisture absorption in arbitrary silica gel tank thermal regeneration.
6. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, is characterized in that: the glass structure of those silica gel tanks is the heat resistant glass that can bear 180 ℃ of temperature.
7. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, it is characterized in that: described A silica gel tank and B silica gel tank include to be deposited the tank body of discolour silica gel and is threaded connection in tank body lower end and in order to deposit the lubricating cup of transformer oil, the bottom of described tank body is provided with a pneumostome, in described pneumostome, be provided with a filter screen, the transformer oil in the pneumostome insertion lubricating cup of described tank base is to form oil sealing.
8. the respirator of controlling main transformer free of replacement hygroscopic agent with wired remote according to claim 1, it is characterized in that: described main transformer respiratory siphon is connected with the conservator top that is arranged at main transformer body top, on the tube connector of described conservator and main transformer main body, Buchholz relay is installed, described main transformer body bottom is provided with fuel outlet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005801.2U CN203799793U (en) | 2014-01-06 | 2014-01-06 | Adsorbent-replacing-free breather with wired remote control main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005801.2U CN203799793U (en) | 2014-01-06 | 2014-01-06 | Adsorbent-replacing-free breather with wired remote control main transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799793U true CN203799793U (en) | 2014-08-27 |
Family
ID=51381988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005801.2U Expired - Lifetime CN203799793U (en) | 2014-01-06 | 2014-01-06 | Adsorbent-replacing-free breather with wired remote control main transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799793U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745807A (en) * | 2014-01-06 | 2014-04-23 | 国家电网公司 | Moisture absorbent replacement-free breather provided with wired remotely-controlled main transformer and control method |
| CN104485205A (en) * | 2015-01-07 | 2015-04-01 | 国家电网公司 | Main transformer online regenerative breathing apparatus provided with wireless remote control microwave heating device and use method |
| CN104517704A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Wireless remote control and double microwave heating type regeneration main transformer breather and control method thereof |
| CN104517706A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Main transformer regeneration breather with frequency conversion control and bidirectional microwave heating functions and use method of breather |
| CN104807591A (en) * | 2015-05-13 | 2015-07-29 | 国网辽宁省电力有限公司盘锦供电公司 | Pressure monitoring and warning system in breather of transformer |
| CN111282409A (en) * | 2020-04-08 | 2020-06-16 | 国网福建省电力有限公司南平供电公司 | Heat storage drying method for transformer main body moisture absorber |
-
2014
- 2014-01-06 CN CN201420005801.2U patent/CN203799793U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745807A (en) * | 2014-01-06 | 2014-04-23 | 国家电网公司 | Moisture absorbent replacement-free breather provided with wired remotely-controlled main transformer and control method |
| CN103745807B (en) * | 2014-01-06 | 2016-01-06 | 国家电网公司 | Respirator and the control method of main transformer free of replacement hygroscopic agent is controlled with wired remote |
| CN104485205A (en) * | 2015-01-07 | 2015-04-01 | 国家电网公司 | Main transformer online regenerative breathing apparatus provided with wireless remote control microwave heating device and use method |
| CN104517704A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Wireless remote control and double microwave heating type regeneration main transformer breather and control method thereof |
| CN104517706A (en) * | 2015-01-20 | 2015-04-15 | 国家电网公司 | Main transformer regeneration breather with frequency conversion control and bidirectional microwave heating functions and use method of breather |
| CN104807591A (en) * | 2015-05-13 | 2015-07-29 | 国网辽宁省电力有限公司盘锦供电公司 | Pressure monitoring and warning system in breather of transformer |
| CN111282409A (en) * | 2020-04-08 | 2020-06-16 | 国网福建省电力有限公司南平供电公司 | Heat storage drying method for transformer main body moisture absorber |
| CN111282409B (en) * | 2020-04-08 | 2024-02-09 | 国网福建省电力有限公司南平供电公司 | Heat storage drying method of transformer main body moisture absorber |
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