CN209264900U - A kind of analog insulation media defect experimental rig and power-up field device - Google Patents
A kind of analog insulation media defect experimental rig and power-up field device Download PDFInfo
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- CN209264900U CN209264900U CN201821984126.7U CN201821984126U CN209264900U CN 209264900 U CN209264900 U CN 209264900U CN 201821984126 U CN201821984126 U CN 201821984126U CN 209264900 U CN209264900 U CN 209264900U
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- 238000009413 insulation Methods 0.000 title claims abstract description 44
- 230000007547 defect Effects 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 230000005684 electric field Effects 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000004458 analytical method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 48
- 230000001681 protective effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 238000011160 research Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 8
- 238000011835 investigation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical class [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a kind of analog insulation media defect experimental rig and power-up field device, comprising: the first power supply, gas chromatograph, power-up field device, heating apparatus and partial discharge monitor；Wherein: field device is powered on described in first power electric connection, the partial discharge monitor is electrically connected the power-up field device；The power-up field device generates electric field to internal dielectric to be measured is arranged in, and the heating apparatus provides preset temperature for heating the power-up field device for the dielectric to be measured；The partial discharge monitor is electrically connected with the power-up field device, for monitoring the partial discharge amount of the dielectric to be measured；The gas chromatograph is used to carry out oil chromatogram analysis to the transformer oil in the power-up field device.The device of the utility model can simulate the dielectric defect under different condition, provide platform to further investigate the insulation characterisitic of dielectric, research achievement can instruct the selection and processing technique of dielectric, improve safety and economy.
Description
Technical field
The utility model relates to the field transformer in power industry, the especially dielectric of transformer class equipment, tools
Body is related to a kind of analog insulation media defect experimental rig and power-up field device.
Background technique
Dielectric is the important component of transformer class equipment, plays insulating effect to winding inter-turn and its to shell,
Equipment biggish for electric current also plays cooling effect.The superiority and inferiority of dielectric directly influences the safety of mutual inductor equipment
Operation.Dielectric long-term work high field intensity, high temperature, dampness bad working environments under, it may occur that aged deterioration, cause decompose produce
Angry body is all the emphasis of research all the time.Especially in recent years, the failure of a lot of current transformer mono-hydrogen excess standards occurs, shows
It is extremely complex that degradation and decomposition of the dielectric under various different defects is shown.It is usual to the research of mutual inductor dielectric at present
It is the dielectric sampling to the equipment that breaks down, then carries out oil chromatogram analysis.Such method test condition poor controllability, effect
Rate is lower, limits the further investigation to insulation characterisitic under dielectric difference operating condition.Therefore, there is an urgent need to research and develop one kind
The controllable experimental method of mutual inductor defect, condition and device can be simulated, provides means and platform for further investigation insulation characterisitic,
Its research achievement can instruct the selection and processing technique of dielectric, improve safety and economy.
Utility model content
The utility model provides a kind of analog insulation media defect experimental rig and power-up field device, can simulate difference
Under the conditions of dielectric defect, for further investigation insulation characterisitic mention platform, research achievement can instruct the choosing of dielectric
It selects and treatment process, improves safety and economy.
To achieve the goals above, a kind of analog insulation media defect experimental rig is provided, comprising: the first power supply, gas
Chromatography, power-up field device, heating apparatus and partial discharge monitor；Wherein: the dress of added electric field described in first power electric connection
It sets, the partial discharge monitor is electrically connected the power-up field device；
The power-up field device generates electric field to internal dielectric to be measured is arranged in, and the heating apparatus is for heating
The power-up field device provides preset temperature for the dielectric to be measured；
The partial discharge monitor is electrically connected with the power-up field device, for monitoring the partial discharge of the dielectric to be measured
Amount；
The gas chromatograph is used to carry out oil chromatogram analysis to the transformer oil in the power-up field device.
In one embodiment, power-up field device includes: high-tension shielding bar, sealing container, setting in the sealing container
The insulation board in portion, the dish-type electrode being arranged in the sealing container and support frame；Wherein,
The high-tension shielding bar is set to above the sealing container, and high-tension shielding bar one end passes through the insulation board
It is electrically connected with the dish-type electrode of the sealed container interior, the other end and first power electric connection；
The insulation board is arranged below the high-tension shielding bar, above the dish-type electrode, for holding the sealing
Device insulation.
Support frame as described above is located at the lower section of the dish-type electrode, and is placed with dielectric to be measured；In the sealing container
Equipped with transformer oil, for absorbing the gas of the dielectric generation to be measured.
It is understood that handling dielectric to be measured, change dielectric water content to be measured, and then simulate not
With the defect situation of the dielectric to be measured of water content.
In one embodiment, heating apparatus includes: heating container and heating pipeline；Wherein,
The heating container is connect with the heating pipeline,
The heating pipeline predeterminated position is at a groove-like, for placing the power-up field device
The heating container is internally provided with electric heating tube and temperature sensor, and the heating external container is provided with described
Temperature controller is electrically connected with the temperature sensor；
The heating pipeline is internally provided with circulating pump, inlet valve and flowing water Valve.
In one embodiment, analog insulation media defect experimental rig further include: pressure regulator, protective resistance, ammeter and
Voltmeter, second source；Wherein:
The pressure regulator, protective resistance and ammeter are connected electrically in the power-up field device and first power electric connection
Electric wire on；
The voltmeter is connected electrically on the ground wire of the power-up field device；
The second source is electrically connected with the partial discharge monitor and the heating apparatus.
The utility model provides a kind of power-up field device, one first power supply of connection, partial discharge monitor and heating apparatus, packet
Include: high-tension shielding bar, the insulation board that the sealing container top is arranged in, is arranged in the sealing container sealing container
Dish-type electrode and support frame；Wherein,
The high-tension shielding bar is set to above the sealing container, and high-tension shielding bar one end passes through the insulation board
It is electrically connected with the dish-type electrode of the sealed container interior, the other end and first power electric connection；
The insulation board is arranged below the high-tension shielding bar, above the dish-type electrode, for holding the sealing
Device insulation.
Support frame as described above is located at the lower section of the dish-type electrode, and is placed with dielectric to be measured；In the sealing container
Equipped with transformer oil, for absorbing the gas of the dielectric generation to be measured.
In one embodiment, it is powered on field device further include: electric field arrangement further include: self-sealing takes oil valve；
The self-sealing takes oil valve to be set on the outside of the sealing container, for obtaining described in the sealed container interior
Transformer oil.
In one embodiment, transformer oil liquid level is higher than the self-sealing and takes oil valve in the vertical of the sealing container
Direction position.
In one embodiment, support frame is lifting support frame, is held for changing the dielectric to be measured in the sealing
The vertical position of device.
In one embodiment, partial discharge monitor is used to monitor the partial discharge amount of the dielectric to be measured.
In one embodiment, heating apparatus includes: heating container and heating pipeline；Wherein,
The heating container is connect with the heating pipeline,
The heating pipeline predeterminated position is at a groove-like, for placing the power-up field device
The heating container is internally provided with electric heating tube and temperature sensor, and the heating external container is provided with described
Temperature controller is electrically connected with the temperature sensor；
The heating pipeline is internally provided with circulating pump, inlet valve and flowing water Valve.
As can be seen from the above description, analog insulation media defect experimental rig provided by the utility model and power-up field device,
By multistylus electrode structure, dielectric to be measured can be made by uniform electric field, adjust pressure regulator and protective resistance to have simulated
The different operating conditions such as dizzy, electric discharge, heating apparatus can control test temperature, simulate temperature rise feelings caused by dielectric fever in work
Condition.From the above mentioned, the device of the utility model can simulate the dielectric defect under different condition, special for further investigation insulation
Property mention platform, research achievement can instruct the selection and processing technique of dielectric, improve safety and economy.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of the analog insulation media defect experimental rig in the embodiments of the present invention.
Fig. 2 is the structural schematic diagram of the power-up field device in the embodiments of the present invention.
Fig. 3 is the structural schematic diagram of the heating apparatus in the embodiments of the present invention.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The embodiments of the present invention provide a kind of analog insulation media defect experimental rig specific embodiment, referring to figure
1, the analog insulation media defect experimental rig specifically includes following content: the first power supply 1, gas chromatograph (do not go out in figure
Show), power-up field device 3, heating apparatus 4 and partial discharge monitor 2；Wherein: first power supply 1 is electrically connected the power-up field device
3, the partial discharge monitor 2 is electrically connected the power-up field device 3；
3 pairs of field device of the power-up is arranged in internal dielectric 3-1 to be measured and generates electric field, and the heating apparatus 4 is used
In heating the power-up field device 3, preset temperature is provided for the dielectric 3-1 to be measured, referring to fig. 2；
The partial discharge monitor 2 is electrically connected with the power-up field device 3, for monitoring the dielectric 3-1's to be measured
Partial discharge amount；
It is understood that dielectric both ends to be measured generate instantaneous when dielectric to be measured generates a shelf depreciation
Voltage change, be coupled to detection impedance by a coupled capacitor, a pulse current can be generated in circuit, this pulse current is passed through
The pulse voltage that detection impedance generates is sampled, and amplifies and display is handled, so that it may measure the Apparent discharge magnitude of shelf depreciation.
By observing partial discharge monitor, the first power supply and protective resistance are controlled, it is ensured that dielectric to be measured does not puncture.
The gas chromatograph is used to carry out oil chromatogram analysis to the transformer oil in the power-up field device 3.
It is understood that gas chromatograph is first separated the mixture in transformer oil using chromatographic column, then utilize
Detector successively detects the separated component come out, and then may determine that the gas that dielectric to be measured is discharged during the experiment
Body.
It is understood that dielectric to be measured can be mutual inductor class equipment, transformer and the casing etc. of paper oil insulation.
Dielectric to be measured is handled, dielectric water content to be measured is changed, and then the insulation to be measured for simulating different moisture content is situated between
The defect situation of matter.
It include: that power-up field device includes: high-tension shielding bar 3-2, sealing container 3-3, is arranged referring to Fig. 3 power-up field device 3
Insulation board 3-5, the dish-type electrode 3-4 that is arranged in the sealing container 3-3 and support on the top the sealing container 3-3
Frame 3-6；Wherein,
The high-tension shielding bar 3-2 is set to above the sealing container 3-3, and described one end high-tension shielding bar 3-2 passes through
The insulation board 3-5 is electrically connected with the dish-type electrode 3-4 inside the sealing container 3-3, the other end and first electricity
Source electricity 1 connects；
The insulation board 3-5 is arranged below the high-tension shielding bar 3-2, above the dish-type electrode 3-4, for making
State sealing container 3-3 insulation.
Support frame as described above 3-6 is located at the lower section of the dish-type electrode 3-4, and is placed with dielectric 3-1 to be measured；It is described close
It seals in container 3-3 and transformer oil (not showing in figure) is housed, the gas generated for absorbing the dielectric 3-1 to be measured.
In a kind of specific citing, dish-type electrode can be 31 dials type electrodes, it is to be understood that 31 dials type electricity
Extremely uniform electric field can be provided for dielectric to be measured.
It is powered on field device 3 further include: self-sealing takes oil valve 3-7；
The self-sealing takes oil valve 3-7 to be set on the outside of the sealing container 3-3, for obtaining the sealing container 3-3
The internal transformer oil.
Transformer oil liquid level is higher than the self-sealing and takes oil valve 3-7 in the vertical direction position of the sealing container 3-3
It sets.
Support frame 3-6 is lifting support frame, for changing the dielectric 3-1 to be measured the sealing container 3-3's
Vertical position.
It can be understood that changing the position of the vertical direction of dielectric to be measured in a sealed container by lifting support frame
It sets, and then electric field strength suffered by dielectric to be measured can be changed.
Referring to Fig. 3, heating apparatus 4 includes: heating container 4-a and heating pipeline 4-b；Wherein,
The heating container 4-a is connect with the heating pipeline 4-b,
The heating pipeline 4-b predeterminated position is at a groove-like 4-1, for placing the power-up field device 3；
The heating container 4-a is internally provided with electric heating tube 4-2 and temperature sensor 4-3, the heating container 4-a
Outside is provided with the temperature controller 4-4, is electrically connected with the temperature sensor 4-3；
The heating pipeline is internally provided with circulating pump 4-5, inlet valve 4-6 and flowing water Valve 4-7.
In a kind of specific citing, the liquid inside heating apparatus can be water, it is to be understood that be filled by heating
It sets, temperature rise situation caused by dielectric to be measured generates heat can be simulated.
Referring to Fig. 1, analog insulation media defect experimental rig further include: pressure regulator 6, protective resistance 7, ammeter 8 and electricity
Press table 9, second source 5；Wherein:
The pressure regulator 6, protective resistance 7 and ammeter 8 are connected electrically in the power-up field device 3 and first power supply 1
On the electric wire of electrical connection；
The voltmeter 9 is connected electrically on the ground wire of the power-up field device 3；
The second source 5 is electrically connected with the partial discharge monitor 2 and the heating apparatus 4.
As can be seen from the above description, analog insulation media defect experimental rig and the power-up of the embodiments of the present invention offer
Field device can make dielectric to be measured by uniform electric field by multistylus electrode structure, adjust pressure regulator and protective resistance is come
The different operating conditions such as bloom, electric discharge are simulated, heating apparatus can control test temperature, simulate in work caused by dielectric fever
Temperature rise situation.From the above mentioned, the device of the utility model can simulate the dielectric defect under different condition, for further investigation
Insulation characterisitic mentions platform, and research achievement can instruct the selection and processing technique of dielectric, improves safety and economy.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the movement recorded in detail in the claims or step can be come according to the sequence being different from embodiment
It executes and desired result still may be implemented.In addition, process depicted in the drawing not necessarily require show it is specific suitable
Sequence or consecutive order are just able to achieve desired result.
Although this specification embodiment provides the method operating procedure as described in embodiment or flow chart, based on conventional
It may include either more or less operating procedure without creative means.The step of being enumerated in embodiment sequence be only
One of numerous step execution sequence mode does not represent and unique executes sequence.Device or end product in practice is held
When row, can be executed according to embodiment or method shown in the drawings sequence or it is parallel execute (such as parallel processor or
The environment of multiple threads, even distributed data processing environment).The terms "include", "comprise" or its any other change
Body is intended to non-exclusive inclusion, so that process, method, product or equipment including a series of elements are not only wrapped
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, product
Or the element that equipment is intrinsic.In the absence of more restrictions, being not precluded is including process, the side of the element
There is also other identical or equivalent elements in method, product or equipment.
The foregoing is merely the embodiments of this specification embodiment, are not limited to this specification embodiment.It is right
For those skilled in the art, this specification embodiment can have various modifications and variations.It is all in this specification embodiment
Any modification, equivalent replacement, improvement and so within spirit and principle, the right that should be included in this specification embodiment are wanted
Within the scope of asking.
Claims (10)
1. a kind of analog insulation media defect experimental rig characterized by comprising the first power supply, gas chromatograph, added electric field
Device, heating apparatus and partial discharge monitor；Wherein: field device, the partial discharge monitoring are powered on described in first power electric connection
Device is electrically connected the power-up field device；
The power-up field device generates electric field to internal dielectric to be measured is arranged in, and the heating apparatus is described for heating
It is powered on field device, provides preset temperature for the dielectric to be measured；
The partial discharge monitor is electrically connected with the power-up field device, for monitoring the partial discharge amount of the dielectric to be measured；
The gas chromatograph is used to carry out oil chromatogram analysis to the transformer oil in the power-up field device.
2. analog insulation media defect experimental rig according to claim 1, which is characterized in that the power-up field device packet
Include: high-tension shielding bar, the insulation board that the sealing container top is arranged in, is arranged in the sealing container sealing container
Dish-type electrode and support frame；Wherein,
The high-tension shielding bar is set to above the sealing container, and high-tension shielding bar one end passes through the insulation board and institute
State the dish-type electrode electrical connection of sealed container interior, the other end and first power electric connection；
The insulation board is arranged below the high-tension shielding bar, above the dish-type electrode, for keeping the sealing container exhausted
Edge；
Support frame as described above is located at the lower section of the dish-type electrode, and is placed with dielectric to be measured；It is equipped in the sealing container
Transformer oil, the gas generated for absorbing the dielectric to be measured.
3. analog insulation media defect experimental rig according to claim 1, which is characterized in that the heating apparatus packet
It includes: heating container and heating pipeline；Wherein,
The heating container is connect with the heating pipeline,
The heating pipeline predeterminated position is at a groove-like, for placing the power-up field device
The heating container is internally provided with electric heating tube and temperature sensor, and the heating external container is provided with temperature control
Instrument is electrically connected with the temperature sensor；
The heating pipeline is internally provided with circulating pump, inlet valve and flowing water Valve.
4. analog insulation media defect experimental rig according to claim 1, which is characterized in that the analog insulation medium
Defect test device further include: pressure regulator, protective resistance, ammeter and voltmeter, second source；Wherein:
The pressure regulator, protective resistance and ammeter are connected electrically in the electricity of the power-up field device and first power electric connection
On line；
The voltmeter is connected electrically between the ground wire and high-voltage end of the power-up field device；
The second source is electrically connected with the partial discharge monitor and the heating apparatus.
5. a kind of power-up field device, one first power supply of connection, partial discharge monitor and heating apparatus characterized by comprising high pressure
Screen bar, sealing container, the insulation board that the sealing container top is set, the dish-type electrode being arranged in the sealing container
And support frame；Wherein,
The high-tension shielding bar is set to above the sealing container, and high-tension shielding bar one end passes through the insulation board and institute
State the dish-type electrode electrical connection of sealed container interior, the other end and first power electric connection；
The insulation board is arranged below the high-tension shielding bar, above the dish-type electrode, for keeping the sealing container exhausted
Edge；
Support frame as described above is located at the lower section of the dish-type electrode, and is placed with dielectric to be measured；It is equipped in the sealing container
Transformer oil, the gas generated for absorbing the dielectric to be measured.
6. power-up field device according to claim 5, which is characterized in that the power-up field device further include: self-sealing takes
Oil valve；
The self-sealing takes oil valve to be set on the outside of the sealing container, for obtaining the transformation of the sealed container interior
Device oil.
7. power-up field device according to claim 6, which is characterized in that the transformer oil liquid level be higher than it is described from
Envelope formula takes oil valve in the vertical position of the sealing container.
8. power-up field device according to claim 5, which is characterized in that support frame as described above is lifting support frame, for changing
Become the dielectric to be measured in the vertical position of the sealing container.
9. power-up field device according to claim 5, which is characterized in that the partial discharge monitor is described to be measured for monitoring
The partial discharge amount of dielectric.
10. power-up field device according to claim 5, which is characterized in that the heating apparatus includes: heating container and adds
Hot pipeline；Wherein,
The heating container is connect with the heating pipeline,
The heating pipeline predeterminated position is at a groove-like, for placing the power-up field device
The heating container is internally provided with electric heating tube and temperature sensor, and the heating external container is provided with temperature control
Instrument is electrically connected with the temperature sensor；
The heating pipeline is internally provided with circulating pump, inlet valve and flowing water Valve.
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| CN201821984126.7U CN209264900U (en) | 2018-11-28 | 2018-11-28 | A kind of analog insulation media defect experimental rig and power-up field device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406968A (en) * | 2018-11-28 | 2019-03-01 | 国网冀北电力有限公司电力科学研究院 | A kind of analog insulation media defect experimental rig |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406968A (en) * | 2018-11-28 | 2019-03-01 | 国网冀北电力有限公司电力科学研究院 | A kind of analog insulation media defect experimental rig |
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