CN109000858A - The complete detection system of Multifunction transformer - Google Patents
The complete detection system of Multifunction transformer Download PDFInfo
- Publication number
- CN109000858A CN109000858A CN201810634912.2A CN201810634912A CN109000858A CN 109000858 A CN109000858 A CN 109000858A CN 201810634912 A CN201810634912 A CN 201810634912A CN 109000858 A CN109000858 A CN 109000858A
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- Prior art keywords
- transformer
- capsule
- pressure
- package seal
- seal checker
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention provides a kind of complete detection systems of Multifunction transformer, belong to transformer detection device technical field, capsule leakproofness and transformer overall tightness are detected using package seal checker, package seal checker includes control panel and cabinet, is equipped with control unit, inflation unit and pressure sensing cell in cabinet.Glue intraluminal pressure is inflated and detected to capsule in conservator by package seal checker and transformer overall tightness is detected, facilitate and checks transformer-cabinet edge, valve, whether there is or not permeability phenomenons for pipe joint, human-computer interaction is realized using the touch screen of control panel, aeration speed setting is realized by control unit, pressure limit setting and time setting, capsule or transformer inner cavity are inflated by inflation unit, real-time monitoring is carried out to pressure in capsule or transformer using pressure sensing cell, it is simple to operate, it realizes and the diversification of transformer is detected, improve detection accuracy and safety coefficient.
Description
Technical field
The invention belongs to transformer detection device technical fields, more specifically, be related to a kind of Multifunction transformer at
Cover detection system.
Background technique
High-power transformer is to prevent insulating oil from directly contacting with air, leads to oil dampness oxidation, reduces insulation performance, use
All-sealed oil conservater.The most common hermetically sealed oil conservater is capsule type oil storage cabinet, and capsule type oil storage cabinet will be insulated by capsule
Oil is separated with outside air, and prevents vapor from entering capsule by respirator.When normal operation, capsule floats on pasta, when
When insulating oil is expanded because of oil temperature raising, pasta rises in oil conservater, and extrusion capsule is vented outwards；Otherwise oil temperature reduces and pasta
Decline, capsule air-breathing swell from the outside, pressure inside and outside autobalance capsule guarantee that apparatus body is full of always oil.
The service life of capsule is 15 years or so, the defect of capsule leakage is recurred in recent years, according to DL/T 573-2010
To capsule and overall tightness inspection when " power transformer maintenance directive/guide " requirement need to have a power failure.Have a power failure to deposit when checking and ask both ways
Topic:
1, capsule detects: capsule, which is located inside oil conservater, directly to be observed.If, can only in the case where not dismantling conservator
Using gas pressure test, common detection methods be in respirator joint inflated with nitrogen or dry air, but there is problems in that
(1) pressure is only capable of by manually controlling, and precision is inadequate, and air pressure is too small cannot to detect that gas leakage, air pressure are then easily damaged greatly very much glue
Capsule；(2) percolation ratio can not be observed precisely, no standard measure.
2, overall tightness inspection: applying 0.035MPa pressure 12h in oil conservater highest oil level, need to manually control, and
Pressure can not accurately be kept.Pressure control easily causes stress relief valve or rupture pressure disc movement when bad, there is very big hidden danger.
Summary of the invention
The purpose of the present invention is to provide a kind of complete detection systems of Multifunction transformer, to solve to exist in the prior art
The detection of installation for transformer capsule and overall tightness check the not high technical problem of accuracy.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of complete detection system of Multifunction transformer is provided
System, including the following contents:
Capsule sealing propertytest: the respirator being connected to the capsule in installation for transformer is removed, for what is be connected to capsule
Main transformer respirator connecting leg is connected with package seal checker, is inflated using package seal checker into capsule and detects capsule internal pressure
Power；
The detection of transformer overall tightness: the pipe joint being connected to transformer inner cavity is filled by pipeline and sealing detection
Set connected, inflated using package seal checker into transformer and detect pressure in transformer, and check transformer-cabinet edge,
Whether there is or not permeability phenomenons for valve, pipe joint；
The package seal checker includes control panel and cabinet, be equipped in the cabinet control unit, inflation unit and
Pressure sensing cell, the control panel are equipped with multiple buttons and touch screen；By control unit be inflated speed setting,
Pressure limit setting and time setting, are inflated capsule or transformer inner cavity by inflation unit, utilize pressure detecting list
Member carries out real-time monitoring to pressure in capsule or transformer.
Further, the inflation unit includes for will be air-dried the dry air generator of filtering and be used to do
Dry air is filled with the inflatable component of capsule or transformer inner cavity.
It further, further include for the pressure protection unit to capsule and tranformer protection in the package seal checker
And alarm unit, pressure is out-of-limit in capsule or transformer, and the solenoid valve in inflatable component in gas circuit is automatically closed, and issues high pressure
Alarm signal；Hypotony then issues low pressure alarming signal in capsule or transformer.
Further, for the package seal checker in capsule sealing propertytest, operating procedure is as follows:
1) prepare before, detecting work: the inflatable component is connected with main transformer respirator connecting leg；
2) " unlatching " button on control panel, green " work on control panel, the package seal checker self-test: are pressed
Work " indicator light is bright, then presses " self-test " button, the package seal checker self checks 30 seconds, and then " equipment is just if normal
Often " indicator light is bright；Conversely, " equipment fault " lamp is bright；
3), initial value is set: being inputted detection time by touch screen " initial value setting ", is filled with gas pressure, tested glue
The basic parameter of capsule；
4), sealing propertytest: after initial value is set, pressing " open detection " button, and it is bright " to inflate " indicator light at this time,
The dry air that dry air generator generates is filled in installation for transformer capsule by main transformer respirator connecting leg, is set when reaching
Pressure value after, the solenoid valve in inflatable component in gas circuit is automatically closed, and into pressure real-time monitoring state, monitoring time is first
Initial value setting time, if cannot keep pressure within this time, capsule hypotony is lower than lower limit value, issues alarm signal at this time
Number, " low-pressure is out-of-limit " indicator light is bright；
The step of package seal checker is when transformer overall tightness detects is same as above.
Further, the low pressure limit value of the capsule or transformer is the 90% of initial value.
Further, further include transformer oil bit check, the upper end for verifying oil pipe be fixed on to the top of installation for transformer,
The lower end for verifying oil pipe is connected to the valve of transformer bottom, the verification oil pipe is transparence, is set in the verification oil pipe
There is mark floating ball.
Further, the upper end of the verification oil pipe is equipped with the magnetic patch for adsorbing installation for transformer outer wall.
Further, the lower end of the verification oil pipe is connected by quick coupling with the valve of transformer bottom.
Further, the inflation unit is connected by quick coupling with main transformer respirator connecting leg or transformer.
Further, the quick coupling is C formula self locking quick connector.
The beneficial effect of the complete detection system of Multifunction transformer provided by the invention is: compared with prior art, this
The complete detection system of invention Multifunction transformer is inflated capsule in conservator by package seal checker and detects in capsule
Pressure and transformer overall tightness is detected, facilitates and check that transformer-cabinet edge, valve, whether there is or not infiltrations for pipe joint
Oily phenomenon realizes human-computer interaction using the touch screen of control panel, convenient to realize aeration speed setting, pressure by control unit
Limit value setting and time setting, are inflated capsule or transformer inner cavity by inflation unit, utilize pressure sensing cell pair
Pressure carries out real-time monitoring in capsule or transformer, simple to operate, realizes and detects to the diversification of transformer, improves inspection
Survey precision and safety coefficient.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is knot of the complete detection system of Multifunction transformer provided in an embodiment of the present invention in capsule sealing propertytest
Structure schematic diagram；
Fig. 2 is that the structure of package seal checker in the complete detection system of Multifunction transformer provided in an embodiment of the present invention is shown
It is intended to；
Knot when Fig. 3 is transformer oil bit check in the complete detection system of Multifunction transformer provided in an embodiment of the present invention
Structure schematic diagram；
Wherein, each appended drawing reference in figure:
1- installation for transformer, 2- capsule, 3- main transformer respirator connecting leg, 4- package seal checker, 5- transformer, 6- valve,
7- quick coupling, 8- verify oil pipe, and 9- indicates floating ball, 10- magnetic patch.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now the complete detection system of Multifunction transformer provided by the invention is illustrated.
The complete detection system of Multifunction transformer, including the following contents:
Capsule sealing propertytest: removing the respirator being connected to the capsule 2 in installation for transformer 1, for being connected to capsule 2
Main transformer respirator connecting leg 3 be connected with package seal checker 4, inflated using package seal checker 4 into capsule 2 and detect capsule
Interior pressure；
The detection of transformer overall tightness: the pipe joint being connected to 5 inner cavity of transformer is passed through into pipeline and sealing detection
Device 4 is connected, and is inflated using package seal checker 4 into transformer 5 and detects pressure in transformer, and checks 5 case of transformer
Whether there is or not permeability phenomenons for body edge, valve 6, pipe joint；
As shown in Fig. 2, the package seal checker 5 includes control panel and cabinet, be equipped in the cabinet control unit,
Inflation unit and pressure sensing cell, the control panel are equipped with multiple buttons and touch screen；It is filled by control unit
The setting of gas velocity degree, pressure limit setting and time setting, are inflated capsule or transformer inner cavity by inflation unit, utilize
Pressure sensing cell carries out real-time monitoring to pressure in capsule or transformer.
The complete detection system of Multifunction transformer provided by the invention has easy to operate, detection compared with prior art
Advantage with high accuracy is inflated to capsule in conservator by package seal checker and detects glue intraluminal pressure and to transformer
Overall tightness is detected, while being facilitated and being checked that transformer-cabinet edge, valve, pipe joint whether there is or not permeability phenomenon, utilize
Touch screen easily realizes human-computer interaction, convenient to realize that aeration speed setting, pressure limit setting and time set by control unit
It is fixed, and capsule or transformer inner cavity are inflated by inflation unit, using pressure sensing cell in capsule or transformer
Pressure carries out real-time monitoring, and safe operation can be realized diversification detection using package seal checker, be run for transformer safety
It provides safeguard.
Further, as a kind of specific embodiment of package seal checker, the inflation unit includes for will be empty
The dry air generator of gas dry filter and inflatable component for dry air to be filled with to capsule or transformer inner cavity.
Further, referring to Fig. 2, one kind as the complete detection system of Multifunction transformer provided by the invention is specific
Embodiment, further include in the package seal checker 4 for capsule and tranformer protection pressure protection unit and alarm
Pressure is out-of-limit in unit, capsule or transformer, and the solenoid valve in inflatable component in gas circuit is automatically closed, and issues alarm for high voltage letter
Number；Hypotony then issues low pressure alarming signal in capsule or transformer.
Using package seal checker 4 in capsule sealing propertytest, operating procedure is as follows:
1) prepare before, detecting work: the inflatable component is connected by quick coupling 7 with main transformer respirator connecting leg 3；
2) " unlatching " button on control panel, green " work on control panel, the package seal checker self-test: are pressed
Work " indicator light is bright, then presses " self-test " button, the package seal checker self checks 30 seconds, and then " equipment is just if normal
Often " indicator light is bright；Conversely, " equipment fault " lamp is bright；
3), initial value is set: being inputted detection time by touch screen " initial value setting ", is filled with gas pressure, tested glue
The basic parameter of capsule；
4), sealing propertytest: after initial value is set, pressing " open detection " button, and it is bright " to inflate " indicator light at this time,
The dry air that dry air generator generates is filled with installation for transformer capsule by main transformer respirator connecting leg by quick coupling
In, after reaching the pressure value of setting, the solenoid valve in inflatable component in gas circuit is automatically closed, into pressure real-time monitoring shape
State, monitoring time is initial value setting time, if cannot keep pressure within this time, capsule hypotony is lower than lower limit value
(system default sets the 90% of initial value, this value can also be set), issues alarm signal, " low-pressure is out-of-limit " indicator light at this time
It is bright；
The step of when detecting using package seal checker 4 to transformer overall tightness, is same as above.Site operation personnel passes through
Package seal checker to transformer be filled with air reach setting pressure after, not only can pass through check transformer box edge, valve, pipe
Whether there is or not permeability phenomenons for pipeline connector, can also be by the variation of the display observation pressure on package seal checker, if pressure has obviously
Variation, then illustrate that transformer overall tightness is unqualified.
Further, a kind of specific embodiment as the complete detection system of Multifunction transformer provided by the invention,
It further include transformer oil bit check, as shown in figure 3, the upper end for verifying oil pipe 8 to be fixed on to the top of installation for transformer 1, high-ranking officers
The lower end for testing oil pipe 8 is connected to the valve 6 of 5 bottom of transformer, and the verification oil pipe 8 is transparence, is set in the verification oil pipe 8
There is mark floating ball 9.Indicate that floating ball selects red floating ball, for showing oil level in verification oil pipe.
Further, as shown in figure 3, one kind as the complete detection system of Multifunction transformer provided by the invention is specific
The upper end of embodiment, the verification oil pipe 8 is equipped with the magnetic patch 10 for adsorbing 1 outer wall of installation for transformer.
When specific operation, after verification oil pipe lower end and transformer valve being reliably connected, oil will be verified with special isolation bar
Pipe is adsorbed on edge on installation for transformer with one end of magnetic patch.Transformer valve is opened, the insulating oil in oil tank of transformer can lean on
Itself oil pressure enters verification oil pipe, and the practical oil level in conservator can be risen to by verifying red floating ball in oil pipe.It is at this time observable
To the practical oil level of transformer.
Further, the lower end of the verification oil pipe 8 is connected by quick coupling 7 with the valve 6 of 5 bottom of transformer.Its
In, valve can cooperate with quick coupling, facilitate and utilize quick coupling and verification oil pipe quick despatch.Wherein, the quick coupling 7
For C formula self locking quick connector, dimension can be purchased from the market as needed.
The present invention carries out the detection of installation for transformer capsule and transformer overall tightness detection tool using package seal checker
It has the advantage that
(1) select High-accuracy electromagnetic valve in gas circuit in inflatable component, reach setting pressure can quick closedown loading line,
Prevent the blowing pressure is excessively high from causing stress relief valve or rupture pressure disc movement；
(2) it is accurate to save time data stabilization for constant pressure fast charge technology；
(3) by touch screen on control panel convenient for setting inflationtime, monitoring time, pressure；
(4) it can guarantee the gas dry being filled with using dry gas generator；
(5) it is quick and easy to can be realized in-site installation for C formula self locking quick connector；
(6) package seal checker monitoring pressure in real time value and can not only store in real time, moreover it is possible to handle monitoring data, generate
Pressure curve is monitored, the state of transformer capsule situation and transformer is analyzed convenient for staff.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. the complete detection system of Multifunction transformer, which is characterized in that including the following contents:
Capsule sealing propertytest: the respirator being connected to the capsule in installation for transformer, the main transformer for being connected to capsule are removed
Respirator connecting leg is connected with package seal checker, is inflated using package seal checker into capsule and detects glue intraluminal pressure；
The detection of transformer overall tightness: the pipe joint being connected to transformer inner cavity is passed through into pipeline and package seal checker phase
Even, it is inflated using package seal checker into transformer and detects pressure in transformer, and check transformer-cabinet edge, valve
Door, whether there is or not permeability phenomenons for pipe joint；
The package seal checker includes control panel and cabinet, is equipped with control unit, inflation unit and pressure in the cabinet
Detection unit, the control panel are equipped with multiple buttons and touch screen；Speed setting, pressure are inflated by control unit
Limit value setting and time setting, are inflated capsule or transformer inner cavity by inflation unit, utilize pressure sensing cell pair
Pressure carries out real-time monitoring in capsule or transformer.
2. the complete detection system of Multifunction transformer as described in claim 1, it is characterised in that: the inflation unit includes using
In will be air-dried the dry air generator of filtering and be used to for dry air being filled with the inflation group of capsule or transformer inner cavity
Part.
3. the complete detection system of Multifunction transformer as claimed in claim 2, it is characterised in that: in the package seal checker
It further include for the pressure protection unit and alarm unit to capsule and tranformer protection, pressure is out-of-limit in capsule or transformer,
Solenoid valve in inflatable component in gas circuit is automatically closed, and issues alarm for high voltage signal；Hypotony is then in capsule or transformer
Issue low pressure alarming signal.
4. the complete detection system of Multifunction transformer as claimed in claim 3, it is characterised in that: the package seal checker exists
When capsule sealing propertytest, operating procedure is as follows:
1) prepare before detecting work: the inflatable component is connected with main transformer respirator connecting leg；
2) the package seal checker self-test: pressing " unlatching " button on control panel, and green " work " refers on control panel
Show that lamp is bright, then press " self-test " button, the package seal checker self checks 30 seconds, and then " equipment is normal " refers to if normal
Show that lamp is bright；Conversely, " equipment fault " lamp is bright；
3) initial value is set: the base for inputting detection time by touch screen " initial value setting ", being filled with gas pressure, tested capsule
This parameter；
4) sealing propertytest: after initial value is set, pressing " open detection " button, and it is bright " to inflate " indicator light at this time, dry
The dry air that air generator generates is filled in the capsule of installation for transformer by main transformer respirator connecting leg, when reaching setting
After pressure value, the solenoid valve in inflatable component in gas circuit is automatically closed, and into pressure real-time monitoring state, monitoring time is initial
It is worth setting time, if cannot keep pressure within this time, capsule hypotony is lower than lower limit value, issues alarm signal at this time
Number, " low-pressure is out-of-limit " indicator light is bright；
The step of package seal checker is when transformer overall tightness detects is same as above.
5. the complete detection system of Multifunction transformer as claimed in claim 4, it is characterised in that: the capsule or transformer
Low pressure limit value is the 90% of initial value.
6. the complete detection system of Multifunction transformer as described in any one in claim 1-5, it is characterised in that: further include transformation
The upper end for verifying oil pipe, is fixed on the top of installation for transformer by the verification of device oil level, will verify the lower end and transformer bottom of oil pipe
The valve in portion is connected to, and the verification oil pipe is transparence, and mark floating ball is equipped in the verification oil pipe.
7. the complete detection system of Multifunction transformer as claimed in claim 6, it is characterised in that: the upper end of the verification oil pipe
Equipped with the magnetic patch for adsorbing installation for transformer outer wall.
8. the complete detection system of Multifunction transformer as claimed in claim 7, it is characterised in that: the lower end of the verification oil pipe
It is connected by quick coupling with the valve of transformer bottom.
9. the complete detection system of Multifunction transformer as claimed in claim 6, it is characterised in that: the inflation unit passes through fast
Quick coupling is connected with main transformer respirator connecting leg or transformer.
10. the complete detection system of Multifunction transformer as claimed in claim 9, it is characterised in that: the quick coupling is C formula
Self locking quick connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634912.2A CN109000858A (en) | 2018-06-20 | 2018-06-20 | The complete detection system of Multifunction transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634912.2A CN109000858A (en) | 2018-06-20 | 2018-06-20 | The complete detection system of Multifunction transformer |
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| CN109000858A true CN109000858A (en) | 2018-12-14 |
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| CN201810634912.2A Pending CN109000858A (en) | 2018-06-20 | 2018-06-20 | The complete detection system of Multifunction transformer |
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| CN109916577A (en) * | 2019-03-28 | 2019-06-21 | 国家电网有限公司 | Conservator capsule detection method, system and terminal device |
| CN110702341A (en) * | 2019-11-20 | 2020-01-17 | 国网宁夏电力有限公司固原供电公司 | Transformer conservator sealing detection device |
| CN110906160A (en) * | 2019-11-27 | 2020-03-24 | 云南电网有限责任公司昆明供电局 | Oil-immersed transformer pillow type capsule automatic inflation device |
| CN111366309A (en) * | 2020-04-28 | 2020-07-03 | 国网江苏省电力有限公司检修分公司 | Instrument for detecting and analyzing faults of transformer respirator |
| CN113063553A (en) * | 2021-03-26 | 2021-07-02 | 云南电网有限责任公司电力科学研究院 | Transformer oil leakage monitoring system and monitoring method |
| CN113358562A (en) * | 2021-04-25 | 2021-09-07 | 国网浙江省电力有限公司东阳市供电公司 | Device for detecting damage of air bag of main transformer oil conservator |
| CN113586829A (en) * | 2021-08-03 | 2021-11-02 | 西安西电变压器有限责任公司 | Electrical equipment and charge-discharge pressure monitoring device |
| CN114323503A (en) * | 2021-11-25 | 2022-04-12 | 国网湖南省电力有限公司 | Integral sealing test detection method for oil-immersed transformer |
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| CN109916577A (en) * | 2019-03-28 | 2019-06-21 | 国家电网有限公司 | Conservator capsule detection method, system and terminal device |
| CN110702341A (en) * | 2019-11-20 | 2020-01-17 | 国网宁夏电力有限公司固原供电公司 | Transformer conservator sealing detection device |
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| CN111366309A (en) * | 2020-04-28 | 2020-07-03 | 国网江苏省电力有限公司检修分公司 | Instrument for detecting and analyzing faults of transformer respirator |
| CN113063553A (en) * | 2021-03-26 | 2021-07-02 | 云南电网有限责任公司电力科学研究院 | Transformer oil leakage monitoring system and monitoring method |
| CN113358562A (en) * | 2021-04-25 | 2021-09-07 | 国网浙江省电力有限公司东阳市供电公司 | Device for detecting damage of air bag of main transformer oil conservator |
| CN113586829A (en) * | 2021-08-03 | 2021-11-02 | 西安西电变压器有限责任公司 | Electrical equipment and charge-discharge pressure monitoring device |
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