CN108597771A - A kind of portable loaded switch oil strain repairing is changed oil three-in-one unit and its application process - Google Patents
A kind of portable loaded switch oil strain repairing is changed oil three-in-one unit and its application process Download PDFInfo
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- CN108597771A CN108597771A CN201810397954.9A CN201810397954A CN108597771A CN 108597771 A CN108597771 A CN 108597771A CN 201810397954 A CN201810397954 A CN 201810397954A CN 108597771 A CN108597771 A CN 108597771A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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Abstract
It changes oil three-in-one unit the invention discloses a kind of portable loaded switch oil strain repairing, in the case where main transformer on-load tap-changer normal operation does not have a power failure, the indoor insulating oil of load switch of transformer oil is filtered, filter out impurity and moisture, improve the breakdown voltage of insulating oil, reduce micro-water content, this device is from practicability, it can be additionally used in the live line oil make-up of loaded switch, charge work of changing oil, and it can ensure the safety of equipment itself and power grid, overhaul efficiency is improved, ensures the safe operation of power grid.The present invention has simple in structure, easy to operate and reliable feature, and loaded switch electrification oil strain work can be completed in two people.Load-carrying gas trip pressing plate has been exited before work, then connecting line and has fully been deflated to it, and by oil stream speed control in 8 10L/min during oil strain, oil strain is finished carries gas and skull is deflated again to having, and ensure that the safety that equipment uses.
Description
Technical field
The present invention relates to the technical field of auxiliary equipment of electric system, especially a kind of portable transformer loaded switch band
Electrofiltration oil repairing is changed oil three-in-one unit and its application process.
Background technology
Electric power is the important industrial foundation of national economy, and highly important status is occupied in Chinese national economy.Electric power
The interests that the safety and stability of production affects the livelihood of every family.Nowadays, with the development of economic level, society is to safe power supply
It is required that higher and higher, especially quality of voltage and power supply reliability made higher requirement.
Transformer is the key equipment of power transmission, and high-power transformer is mounted with that on-load voltage regulating switch, effect are extensively
Voltage range switching operation is carried out under transformer load state, the quality of voltage of guarantee system and user is played heavy to closing
The effect wanted.Insulating oil plays a part of insulation and arc extinguishing in the voltage handoff procedure of loaded switch, when loaded switch carries out
When voltage switches, insulating oil can decompose under arcing generates free carbon and metal fragment etc., is deteriorated so as to cause insulating oil,
Breakdown voltage declines, while can also decompose generation gas, sends out light Gas Signal.According to《Loaded switch operating maintenance directive/guide》
DL/T574, running load ratio bridging switch is per 1-2 or the breakdown voltage of tap changing 5000-1 ten thousand times or insulating oil is less than
When 25kV, forbids tap changing and the cleaning that should uncap is changed oil or oil strain is primary.
Maintenance mode traditional at present is that transformer is stopped transport to carry out the work of changing oil of uncapping of loaded switch, the entire behaviour that has a power failure
Make flow averagely to take up to 16 hours, consumes a large amount of manpower and materials, while causing prodigious economic loss, also pole
The big power supply reliability for affecting electric system.
Invention content
Being suitable for on-load tap changers of transformers electrification oil strain just in view of the deficiencies of the prior art, the present invention provides a kind of
The electrification oil strain method taken formula oil-filtering apparatus and carried out using this device.It can be in main transformer on-load tap-changer normal operation
In the case of not having a power failure, the indoor insulating oil of load switch of transformer oil is filtered, impurity and moisture is filtered out, improves insulation
The breakdown voltage of oil reduces micro-water content, this device is from practicability, it may also be used for the live line oil make-up of loaded switch, electrification
It changes oil work, and can ensure the safety of equipment itself and power grid, improve overhaul efficiency, ensure the safe operation of power grid.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of portable loaded switch oil strain repairing is changed oil three-in-one unit, including babinet, the oil pump being arranged in babinet, connection
Pipeline road on oil pump, be arranged in babinet and positioned at the electric cabinet of oil pump side and be separately positioned on babinet into
Hydraulic fluid port and oil outlet；
The start stop switch of the control terminal connection oil pump of the electric cabinet；
The pipeline road includes oil inlet passage and oil discharge passage, and the oil inlet passage connects oil pump import and oil inlet, described
Oil discharge passage connects fuel pump outlet and oil outlet；
It is additionally provided with gas vent on the oil pump；
It is connected in turn on the oil discharge passage except contaminant filter and removes water filter；
The pressure gauge of pressure in detection pipeline road is provided on the pipeline road；
Impurity filter core is installed in the removal filtration device, it is described except water filter is equipped with micro- water filter core.
Further, the bottom of the babinet is equipped with universal wheel.
Further, the quantity of the universal wheel is two or more, is distributed on the bottom of box.
Further, the outside portion of the babinet is additionally provided with telescopic lever.
A kind of portable loaded switch oil strain repairing is changed oil the oil strain method of three-in-one unit, is included the following steps：
The oil fuel tube of step 1, the oil outlet and loaded tap switch oil case of the device is attached, the oil inlet of the device with
The drain line of loaded tap switch oil case is attached；
Step 2 opens the fuel outlet valve that is arranged on drain line, closes the fuel feeding valve being arranged on oil fuel tube, open the device into
The valve of oil port closes the valve of the device oil outlet, opens the gas vent of oil pump, and start oil pump by electric cabinet,
Gas in pipeline road is tentatively emptied, the gas in the driving force discharge pipeline road of oil pump is utilized；
Step 3 waits for having column oil stream to go out at gas vent, opens the device oil outlet valve, opens oil fuel tube and connects with fuel feeding valve
The gas vent for meeting place empties the gas in pipeline road and oil fuel tube using the driving force of oil pump；
Step 4 opens fuel feeding valve and fuel outlet valve when the gas vent of oil fuel tube and fuel feeding valve junction has the outflow of column oil stream,
The old transformer oil in loaded tap switch oil case is extracted out from drain line using the operating of oil pump, old transformer oil passes sequentially through
Except contaminant filter and except oil fuel tube is entered from oil discharge passage after water filter filtration, purification, it is injected into loaded tap switch oil
Case completes the electrification oil strain process of loaded switch insulating oil.
A kind of portable loaded switch oil strain repairing is changed oil the oil supplement method of three-in-one unit, is included the following steps：
Step 1, the pipeline road oil outlet and the oil fuel tube of loaded switch grease chamber of the device are attached, by pipeline road
Oil inlet is attached with the oil drum equipped with qualified insulating oil.
Step 2 opens valve at the device pipeline road oil inlet, closes the device pipeline road oil outlet valve,
The device gas vent is opened, starts oil pump, the gas in pipeline road is tentatively emptied, this step utilizes the drive of oil filter
Power realizes the discharge of portion gas in petroleum pipeline.
Step 3 waits for there is the outflow of column oil stream at the device gas vent, opens the device pipeline road oil outlet valve,
The gas vent for opening pipeline road and loaded switch fuel feeding valve junction, using the driving force of oil filter to the gas in pipeline road
Body is emptied again.
Step 4 is opened when the gas vent of pipeline road and loaded switch fuel feeding valve junction has the outflow of column oil stream
Loaded switch fuel feeding valve, using the operating of oil pump by the qualified insulating oil injection loaded switch grease chamber in oil drum, completion has load
The live line oil make-up of switch insulation oil.
A kind of the change oil electrification of three-in-one unit of portable loaded switch oil strain repairing is changed oil method, is included the following steps：
Step 1, the pipeline road oil outlet and the oil fuel tube of loaded switch grease chamber of the device are attached, by pipeline road
Oil inlet is attached with the oil drum equipped with qualified insulating oil, and the drain line of loaded switch grease chamber is attached with wasted oil bucket.
Step 2 opens valve at the device pipeline road oil inlet, closes the device pipeline road oil outlet valve,
The device gas vent is opened, starts oil pump, the gas in pipeline road is tentatively emptied, this step utilizes the drive of oil filter
Power realizes the discharge of portion gas in petroleum pipeline.
Step 3 waits for there is the outflow of column oil stream at the device gas vent, opens the device pipeline road oil outlet valve,
The gas vent for opening pipeline road and loaded switch fuel feeding valve junction, using the driving force of oil filter to the gas in pipeline road
Body is emptied again.
Step 4 is opened when the gas vent of pipeline road and loaded switch fuel feeding valve junction has the outflow of column oil stream
Loaded switch fuel feeding valve is injected the qualified insulating oil in oil drum in loaded switch grease chamber using the operating of oil pump, while slowly
The fuel outlet valve for opening loaded switch, the speed flowed out by waste oil in the switch extent control loaded switch grease chamber of fuel outlet valve valve
Degree, the electrification for completing loaded switch are changed oil work.
Compared with prior art, obtained by the present invention to have the beneficial effect that：
The present invention has simple in structure, easy to operate and reliable feature, and loaded switch electrification oil strain work can be completed in two people.
Load-carrying gas trip pressing plate has been exited before work, then connecting line and has fully been deflated to it, by oil stream speed during oil strain
In 8-10L/min, oil strain is finished to having load gas and skull to deflate again, ensure that the safety that equipment uses for control.Simultaneously
The device has following innovative point：（1）The innovation of technological means.When the cracking of load switch of transformer insulating oil to a certain extent when,
Traditional processing mode is that main transformer is stopped transport, carry out loaded switch uncap change oil or oil strain work.And the device is ensureing to set
Under the premise of standby and electric network security, electrification oil strain directly is carried out to the indoor insulating oil of loaded switch oil.From power failure change oil to
Oil strain is charged, traditional maintenance mode has been overturned.（2）Device light-weight design.It is used during the device development a large amount of light
Quantify material, overall weight only about 50kg, device side is provided with Telescopic handle, and bottom has installed Universal pulley and with lock
Only function greatly improves the mobility of device.（3）It is multi-functional.Instrument is controlled using micro computer, has timing to filter
Oily, manual oil strain, switch oil strain Three models examine personnel selection for fortune, and in addition to the band point oil strain for loaded switch works,
It can be additionally used in live line oil make-up, charge work of changing oil.（4）It is intelligent.The device is equipped with motor phase sequence protection, equipment power failure sound
The functions such as light alarm, filter element replacing prompt, the memory of oil strain number, embody the Intellectualized Tendency of fortune inspection equipment.（5）Non-return valve
It uses.It is daily disconnect oil pipe during, the case where oil spills in oil pipe frequent occurrence, and portable loaded switch oil strain fills
The connecting line both ends set are mounted with non-return valve, and the effective protection operating environment of operation field reduces the waste of insulating oil
Situation, it is economic and environment-friendly.（6）Portability.Each component of the present invention is integrated in a band Trolley case body, facilitates the movement of device.From
And the maintenance work of equipment is made to be easier.（7）Safety.Load-carrying gas trip pressing plate is exited before work, then connecting line
And fully deflate to it, by oil stream speed control in 8-10L/min during oil strain, oil strain is finished carries gas and skull again to having
Secondary deflation ensure that the safety that equipment uses.
Description of the drawings
Attached drawing 1 is positive structural schematic diagram in case of the present invention；
Attached drawing 2 is the structural schematic diagram at the back side in case of the present invention；
Attached drawing 3 is loaded switch oil-filtering apparatus fundamental diagram of the present invention；
Attached drawing 4 is the present invention and loaded tap switch oil case piping connection schematic diagram.
In attached drawing, 1 babinet, 2 oil pumps, 3 electric cabinets, 4 oil inlets, 5 gas vents, 6 oil inlet passages, 7 universal wheels, 8 oil outlets,
81 oil discharge passages, 9 pressure gauges, 10 are except water filter, 11 are except contaminant filter, 20 loaded tap switch oil casees, 21 drain lines, 22
Fuel outlet valve, 23 oil fuel tubes, 24 fuel feeding valves.
Specific implementation mode
Further details of narration is carried out to the present invention below in conjunction with attached drawing.
As shown in attached drawing 1-4, a kind of portable loaded switch oil strain repairing is changed oil three-in-one unit, including babinet 1, setting
Oil pump 2 in babinet 1, the pipeline road being connected on oil pump 2 are arranged in babinet 1 and positioned at the electric cabinet of 2 side of oil pump
3 and the oil inlet 4 and oil outlet 8 that are separately positioned on babinet 1；The start and stop of the control terminal connection oil pump 2 of the electric cabinet 3 are opened
It closes；The pipeline road includes oil inlet passage 6 and oil discharge passage 81, and the oil inlet passage 6 connects 2 import of oil pump and oil inlet 4,
The oil discharge passage 81 connects fuel pump outlet and oil outlet 8；Gas vent 5 is additionally provided on the oil pump 2；The oil discharge passage 81
On be connected in turn except contaminant filter 11 and remove water filter 10；Detection pipeline road internal pressure is provided on the pipeline road
The pressure gauge 9 of power；Impurity filter core is installed in the removal filtration device 11, it is described except water filter 10 is equipped with micro- water filter core.
The bottom of the babinet 1 is equipped with universal wheel 7.The quantity of the universal wheel 7 is two or more, is distributed on 1 bottom of babinet.Institute
The outside portion for stating babinet 1 is additionally provided with telescopic lever..Oil pump is used to force the cycle of insulating oil.Micro- water filter core is for filtering out absolutely
Moisture in edge oil, impurity filter core are used to filter out the impurity and clast in insulating oil.Device is equipped with for monitoring filter core simultaneously
Quality and oil circuit whether smoothly pressure gauge.The startup and stopping of oil pump are operated by electric cabinet.Above-mentioned all devices quilt
Fixation is placed in metal equipment shell.Idler wheel is set below device housings, and side is provided with telescopic bar, to improve device
Portability.
A kind of portable loaded switch oil strain repairing is changed oil the oil strain method of three-in-one unit, is included the following steps：
Step 1, the oil outlet 8 of the device are attached with the oil fuel tube 23 of loaded tap switch oil case 20, the oil inlet of the device
Mouth 4 and the drain line 21 of loaded tap switch oil case 20 are attached；
Step 2 opens the fuel outlet valve 22 being arranged on drain line 21, closes the fuel feeding valve 24 being arranged on oil fuel tube 23, opens
Valve at the device oil inlet 4 closes the valve at the device oil outlet 8, opens the gas vent 5 of oil pump 2, and by automatically controlled
Case 3 starts oil pump 2, is tentatively emptied to the gas in pipeline road, using in the driving force discharge pipeline road of oil pump 2
Gas；
Step 3 waits for having column oil stream to go out at gas vent 5, opens valve at the device oil outlet 4, opens oil fuel tube 23 and oiling
The gas vent of 24 junction of valve empties the gas in pipeline road and oil fuel tube 23 using the driving force of oil pump 2；
Step 4 opens 24 He of fuel feeding valve when the gas vent of oil fuel tube 23 and 24 junction of fuel feeding valve has the outflow of column oil stream
Fuel outlet valve 22 is extracted the old transformer oil in loaded tap switch oil case 20 out from drain line 21 using the operating of oil pump 2, old change
Depressor oil passes sequentially through except contaminant filter 11 and except entering oil fuel tube 23 from oil discharge passage 81 after 10 filtration, purification of water filter,
It is injected into loaded tap switch oil case 20, completes the electrification oil strain process of loaded switch insulating oil.
A kind of portable loaded switch oil strain repairing is changed oil the oil supplement method of three-in-one unit, is included the following steps：
Step 1, the pipeline road oil outlet and the oil fuel tube of loaded switch grease chamber of the device are attached, by pipeline road
Oil inlet is attached with the oil drum equipped with qualified insulating oil.
Step 2 opens valve at the device pipeline road oil inlet, closes the device pipeline road oil outlet valve,
The device gas vent is opened, starts oil pump, the gas in pipeline road is tentatively emptied, this step utilizes the drive of oil filter
Power realizes the discharge of portion gas in petroleum pipeline.
Step 3 waits for there is the outflow of column oil stream at the device gas vent, opens the device pipeline road oil outlet valve,
The gas vent for opening pipeline road and loaded switch fuel feeding valve junction, using the driving force of oil filter to the gas in pipeline road
Body is emptied again.
Step 4 is opened when the gas vent of pipeline road and loaded switch fuel feeding valve junction has the outflow of column oil stream
Loaded switch fuel feeding valve, using the operating of oil pump by the qualified insulating oil injection loaded switch grease chamber in oil drum, completion has load
The live line oil make-up of switch insulation oil.
A kind of the change oil electrification of three-in-one unit of portable loaded switch oil strain repairing is changed oil method, is included the following steps：
Step 1, the pipeline road oil outlet and the oil fuel tube of loaded switch grease chamber of the device are attached, by pipeline road
Oil inlet is attached with the oil drum equipped with qualified insulating oil, and the drain line of loaded switch grease chamber is attached with wasted oil bucket.
Step 2 opens valve at the device pipeline road oil inlet, closes the device pipeline road oil outlet valve,
The device gas vent is opened, starts oil pump, the gas in pipeline road is tentatively emptied, this step utilizes the drive of oil filter
Power realizes the discharge of portion gas in petroleum pipeline.
Step 3 waits for there is the outflow of column oil stream at the device gas vent, opens the device pipeline road oil outlet valve,
The gas vent for opening pipeline road and loaded switch fuel feeding valve junction, using the driving force of oil filter to the gas in pipeline road
Body is emptied again.
Step 4 is opened when the gas vent of pipeline road and loaded switch fuel feeding valve junction has the outflow of column oil stream
Loaded switch fuel feeding valve is injected the qualified insulating oil in oil drum in loaded switch grease chamber using the operating of oil pump, while slowly
The fuel outlet valve for opening loaded switch, the speed flowed out by waste oil in the switch extent control loaded switch grease chamber of fuel outlet valve valve
Degree, the electrification for completing loaded switch are changed oil work.
In conjunction with Fig. 3, when loaded switch oil strain：The pipeline road entrance of the present apparatus is fuel-displaced with loaded switch grease chamber respectively
Pipe and petroleum pipeline are attached, and are extracted out the indoor old transformer oil of loaded switch oil by the operating of oil pump, oil is indoor old
Transformer oil is passed sequentially through except entering loaded switch grease chamber by the present apparatus again after impurity filter core, dewatering filter core filtration, purification, complete
At the filter process of loaded switch.
When loaded switch carries out repairing, changes oil：The petroleum pipeline of the outlet and loaded switch grease chamber of the pipeline road of the present apparatus
Road is attached, and the export pipeline of the entrance and fresh oil storage grease chamber of the pipeline road of the present apparatus is attached, after opening device,
Fresh oil is by the pipeline road of the present apparatus and passes sequentially through except entering loaded switch oil after impurity filter core, dewatering filter core filtration, purification
The oil replenishing process of loaded switch is completed in room.
This achievement is simple in structure, easy to operate, and loaded switch electrification oil strain work can be completed in two people.It has been exited before work
Then load-carrying gas trip pressing plate connecting line and fully deflates to it, by oil stream speed control in 8-10L/ during oil strain
Min, oil strain are finished to having load gas and skull to deflate again, ensure that the safety that equipment uses.
The present apparatus has following innovative point simultaneously：
（1）The innovation of technological means.When the cracking of load switch of transformer insulating oil to a certain extent when, traditional processing mode is
Main transformer is stopped transport, carry out loaded switch uncap change oil or oil strain work.And the present apparatus is ensureing equipment and electric network security
Under the premise of, electrification oil strain directly is carried out to the indoor insulating oil of loaded switch oil.It changes oil from power failure to electrification oil strain, has overturned biography
The maintenance mode of system.
（2）Device light-weight design.A large amount of lightweighting materials are used during the device development, overall weight is only about
50kg, device side are provided with Telescopic handle, and bottom has installed Universal pulley and had latch functions, greatly improves dress
The mobility set.
（3）It is multi-functional.Instrument is controlled using micro computer, there is timing oil strain, manual oil strain, switch oil strain Three models
Personnel selection is examined for fortune, and in addition to the band point oil strain work for loaded switch, it may also be used for live line oil make-up charges work of changing oil
Make.
（4）It is intelligent.The present apparatus is equipped with motor phase sequence protection, the prompt of equipment power failure sound-light alarm, filter element replacing, filter
The functions such as oily number memory, embody the Intellectualized Tendency of fortune inspection equipment.
（5）The use of non-return valve.It is daily disconnect oil pipe during, the case where oil spills in oil pipe frequent occurrence, and
The connecting line both ends of portable loaded switch oil-filtering apparatus are mounted with non-return valve, the effective protection operation ring of operation field
Border reduces the waste situation of insulating oil, economic and environment-friendly.
（6）Portability.Each component of the present invention is integrated in a band Trolley case body, facilitates the movement of device.To make to set
Standby maintenance work is easier.
（7）Safety.Load-carrying gas trip pressing plate has been exited before work, then connecting line and has fully been deflated to it, has been filtered
By oil stream speed control in 8-10L/min during oil, oil strain is finished to having load gas and skull to deflate again, ensure that equipment
The safety used.
Embodiment described above is merely a preferred embodiment of the present invention, and the simultaneously exhaustion of the feasible implementation of non-present invention.It is right
For persons skilled in the art, any aobvious to made by it under the premise of without departing substantially from the principle of the invention and spirit and
The change being clear to should be all contemplated as falling within the claims of the present invention.
Claims (7)
- The three-in-one unit 1. a kind of portable loaded switch oil strain repairing is changed oil, it is characterised in that：It includes babinet（1）, setting In babinet（1）Interior oil pump（2）, be connected to oil pump（2）On pipeline road, be arranged in babinet（1）It is interior and be located at oil pump（2）Side The electric cabinet in portion（3）And it is separately positioned on babinet（1）On oil inlet（4）And oil outlet（8）；The electric cabinet（3）Control terminal connect oil pump（2）Start stop switch；The pipeline road includes oil inlet passage（6）And oil discharge passage（81）, the oil inlet passage（6）Connect oil pump（2）Import With oil inlet（4）, the oil discharge passage（81）Connect fuel pump outlet and oil outlet（8）；The oil pump（2）On be additionally provided with gas vent（5）；The oil discharge passage（81）On be connected in turn except contaminant filter（11）With except water filter（10）；The pressure gauge of pressure in detection pipeline road is provided on the pipeline road（9）；The removal filtration device（11）Impurity filter core is inside installed, it is described to remove water filter（10）Micro- water filter core is installed.
- The three-in-one unit 2. a kind of portable loaded switch oil strain repairing according to claim 1 is changed oil, it is characterised in that： The babinet（1）Bottom universal wheel is installed（7）.
- The three-in-one unit 3. a kind of portable loaded switch oil strain repairing according to claim 2 is changed oil, it is characterised in that： The universal wheel（7）Quantity be two or more, be distributed on babinet（1）Bottom.
- The three-in-one unit 4. a kind of portable loaded switch oil strain repairing according to claim 1 is changed oil, it is characterised in that： The babinet（1）Outside portion be additionally provided with telescopic lever.
- A kind of oil strain method of three-in-one unit 5. portable loaded switch oil strain repairing is changed oil, it is characterised in that：Including following Step：Step 1, the oil outlet of the device（8）With loaded tap switch oil case（20）Oil fuel tube（23）It is attached, the device Oil inlet（4）With loaded tap switch oil case（20）Drain line（21）It is attached；Step 2 is opened and is arranged in drain line（21）On fuel outlet valve（22）, close and be arranged in oil fuel tube（23）On fuel feeding valve （24）, open the device oil inlet（4）The valve at place closes the device oil outlet（8）The valve at place opens oil pump（2）Put Gas port（5）, and pass through electric cabinet（3）Start oil pump（2）, the gas in pipeline road is tentatively emptied, oil pump is utilized（2） Driving force discharge pipeline road in gas；Step 3 waits for gas vent（5）Place has column oil stream to go out, and opens the device oil outlet（4）Locate valve, opens oil fuel tube（23） With fuel feeding valve（24）The gas vent of junction, utilizes oil pump（2）Driving force to pipeline road and oil fuel tube（23）In gas It is emptied；Step 4 waits for oil fuel tube（23）With fuel feeding valve（24）When the gas vent of junction has the outflow of column oil stream, fuel feeding valve is opened （24）And fuel outlet valve（22）, utilize oil pump（2）Operating by loaded tap switch oil case（20）Interior old transformer oil is from draining the oil Pipe（21）Extraction, old transformer oil are passed sequentially through except contaminant filter（11）With except water filter（10）From fuel-displaced after filtration, purification Channel（81）Into oil fuel tube（23）, it is injected into loaded tap switch oil case（20）, complete the band electrofiltration of loaded switch insulating oil Oily process.
- The oil supplement method of three-in-one unit 6. a kind of portable loaded switch oil strain repairing is changed oil, it is characterised in that：Including following Step：Step 1, the pipeline road oil outlet and the oil fuel tube of loaded switch grease chamber of the device are attached, by pipeline road Oil inlet is attached with the oil drum equipped with qualified insulating oil；Step 2 opens valve at the device pipeline road oil inlet, closes the device pipeline road oil outlet valve, opens The device gas vent starts oil pump, is tentatively emptied to the gas in pipeline road, this step utilizes the driving force of oil filter Realize the discharge of portion gas in petroleum pipeline；Step 3 waits for there is the outflow of column oil stream at the device gas vent, opens the device pipeline road oil outlet valve, opens The gas vent of pipeline road and loaded switch fuel feeding valve junction, using oil filter driving force to the gas in pipeline road into Row empties again；Step 4, when the gas vent of pipeline road and loaded switch fuel feeding valve junction has the outflow of column oil stream, opening has load Fuel feeding valve is switched, using the operating of oil pump by the qualified insulating oil injection loaded switch grease chamber in oil drum, completes loaded switch The live line oil make-up of insulating oil.
- A kind of method of changing oil of three-in-one unit 7. portable loaded switch oil strain repairing is changed oil, it is characterised in that：Including following Step：Step 1, the pipeline road oil outlet and the oil fuel tube of loaded switch grease chamber of the device are attached, by pipeline road Oil inlet is attached with the oil drum equipped with qualified insulating oil, and the drain line of loaded switch grease chamber is attached with wasted oil bucket；Step 2 opens valve at the device pipeline road oil inlet, closes the device pipeline road oil outlet valve, opens The device gas vent starts oil pump, is tentatively emptied to the gas in pipeline road, this step utilizes the driving force of oil filter Realize the discharge of portion gas in petroleum pipeline；Step 3 waits for there is the outflow of column oil stream at the device gas vent, opens the device pipeline road oil outlet valve, opens The gas vent of pipeline road and loaded switch fuel feeding valve junction, using oil filter driving force to the gas in pipeline road into Row empties again；Step 4, when the gas vent of pipeline road and loaded switch fuel feeding valve junction has the outflow of column oil stream, opening has load Fuel feeding valve is switched, is injected the qualified insulating oil in oil drum in loaded switch grease chamber using the operating of oil pump, while slowly opening The fuel outlet valve of loaded switch, the speed flowed out by waste oil in the switch extent control loaded switch grease chamber of fuel outlet valve valve are complete It changes oil work at the electrification of loaded switch.
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| CN201810397954.9A CN108597771A (en) | 2018-04-28 | 2018-04-28 | A kind of portable loaded switch oil strain repairing is changed oil three-in-one unit and its application process |
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| CN201810397954.9A CN108597771A (en) | 2018-04-28 | 2018-04-28 | A kind of portable loaded switch oil strain repairing is changed oil three-in-one unit and its application process |
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| CN109637778A (en) * | 2019-01-13 | 2019-04-16 | 西华大学 | A kind of Repair of Transformer oil mass cooperative control device |
| CN110534308A (en) * | 2019-10-10 | 2019-12-03 | 保定天威保变电气股份有限公司 | A kind of converter power transformer switch takes oil and on-line intelligence automatic oil recharging device and method |
| CN111430114A (en) * | 2020-05-06 | 2020-07-17 | 广东电网有限责任公司 | Electrified oil filtering device and method for main transformer on-load switch |
| CN111509601A (en) * | 2020-04-01 | 2020-08-07 | 嘉兴市恒光电力建设有限责任公司 | Transformer on-load tap-changer maintenance operation platform |
| CN112670056A (en) * | 2020-12-10 | 2021-04-16 | 广东电网有限责任公司 | Oil supplementing device and method for on-load tap-changer of transformer |
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| CN109637778A (en) * | 2019-01-13 | 2019-04-16 | 西华大学 | A kind of Repair of Transformer oil mass cooperative control device |
| CN110534308A (en) * | 2019-10-10 | 2019-12-03 | 保定天威保变电气股份有限公司 | A kind of converter power transformer switch takes oil and on-line intelligence automatic oil recharging device and method |
| CN110534308B (en) * | 2019-10-10 | 2024-04-12 | 保定天威保变电气股份有限公司 | Oil extraction and online intelligent automatic oil supplementing device and method for converter transformer switch |
| CN111509601A (en) * | 2020-04-01 | 2020-08-07 | 嘉兴市恒光电力建设有限责任公司 | Transformer on-load tap-changer maintenance operation platform |
| CN111509601B (en) * | 2020-04-01 | 2022-02-22 | 嘉兴市恒光电力建设有限责任公司 | Transformer on-load tap-changer maintenance operation platform |
| CN111430114A (en) * | 2020-05-06 | 2020-07-17 | 广东电网有限责任公司 | Electrified oil filtering device and method for main transformer on-load switch |
| CN112670056A (en) * | 2020-12-10 | 2021-04-16 | 广东电网有限责任公司 | Oil supplementing device and method for on-load tap-changer of transformer |
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Application publication date: 20180928 |