CN209102830U - A kind of multifactor Aging Assessment system of composite insulation cross arm - Google Patents
A kind of multifactor Aging Assessment system of composite insulation cross arm Download PDFInfo
- Publication number
- CN209102830U CN209102830U CN201821978501.7U CN201821978501U CN209102830U CN 209102830 U CN209102830 U CN 209102830U CN 201821978501 U CN201821978501 U CN 201821978501U CN 209102830 U CN209102830 U CN 209102830U
- Authority
- CN
- China
- Prior art keywords
- sample
- stress
- cross arm
- composite insulation
- insulation cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 84
- 239000002131 composite material Substances 0.000 title claims abstract description 83
- 230000032683 aging Effects 0.000 title claims abstract description 36
- 230000035882 stress Effects 0.000 claims abstract description 82
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 230000001351 cycling effect Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 230000000172 allergic effect Effects 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 230000003679 aging effect Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a kind of multifactor Aging Assessment system of composite insulation cross arm, which includes testing transformer, stress test module, cold cycling module and the data acquisition module of setting in the enclosed space；The stress test module includes stress frame, stress plate and eccentric motor；The vertical fixation of stress frame is in the enclosed space；The side on stress frame top is fixedly connected with one end of stress plate, and the other end of stress plate is fixedly connected with one end of sample；The other end of sample is connect by electric insulation traction rope with eccentric motor；Testing transformer is connect by conducting wire with sample；Cold cycling module provides corresponding circulating temperature for sample；Data acquisition module is used to acquire strain stress, leakage current, corona discharge information, shelf depreciation information and the temperature information of sample.It, can be from the ageing properties of the multifactor assessment composite insulation cross arm of multi-angle using the utility model.
Description
Technical field
The utility model relates to composite insulation cross arm insulation characterisitic studying technological domains, more particularly to a kind of compound inslation
The multifactor Aging Assessment system of cross-arm.
Background technique
Shaft tower is one of most important component part in overhead transmission line.Come for a long time, steel by it intensity it is high,
Performance is stable, easily for the superiority such as connection in occupation of the overwhelming majority of transmission tower, steel tower has become countries in the world EHV transmission
The most common shaft tower pattern in route.But with the development of power grid construction, the demand of steel is also increasing, has consumed a large amount of
Data causes the serious pollution of ecological environment.It is had attracted much attention instantly in energy conservation and environmental protection, needs a kind of novel energy-conserving ring in a hurry
The material of guarantor is applied in transmission tower to substitute or partially substitute steel.
High-performance fiber enhancing composite material (Fiber Reinforced Polymer, abbreviation FRP) big, matter with intensity
The features such as measuring light, corrosion-resistant and endurance quality and good electrical insulation capability, is widely used in aerospace, automobile manufacture, building
The numerous areas such as engineering and electrical industry can substitute traditional shaft tower material using fibre reinforced composites (FRP) to solve
Certainly shaft tower there are the problem of.
At present both at home and abroad in 220kV and following low-voltage-grade transmission line of electricity, fibre reinforced composites (FRP) are extensively
It is general to be applied in lattice transmission tower and single lever-type pole and tower design, for voltage levels transmission line of electricity larger for load, entirely
Shaft tower is all made of fibre reinforced composites (FRP) more difficulty, in combination with using SI semi-insulation shaft tower technology, the tower body of shaft tower
Still using traditional structure of steel product, fibre reinforced composites (FRP) structure is used in the tower head of shaft tower or cross-arm part, that is, is saved
Steel resources, reduce line corridor, and can avoid the shortcomings that full combined type shaft tower need to set up special ground lead, for building
If the transmission line of electricity of " resource-conserving, environmentally friendly " is of great significance.
With the improvement of resin and fibrous material performance and the progress of manufacturing technology, composite insulation cross arm has obtained pilot and has answered
With, but to composite insulation cross arm in the power system safe and stable the problems such as composite material anti-aging property is poor, the service life is short
Operation causes certain hidden danger, has limited to the application of composite insulation cross arm.The ageing properties of composite insulation cross arm are commented
Estimate, prove its long-term running reliability, reference and foundation can be provided for the popularization and application of composite insulation cross arm.
Utility model content
The purpose of the utility model is to provide a kind of multifactor Aging Assessment systems of composite insulation cross arm, can be from multi-angle
The ageing properties of multifactor assessment composite insulation cross arm.
To achieve the above object, the utility model provides following scheme:
A kind of multifactor Aging Assessment system of composite insulation cross arm, the multifactor Aging Assessment system of composite insulation cross arm
Including testing transformer, stress test module, cold cycling module and data acquisition module in the enclosed space is arranged；
The stress test module includes stress frame, stress plate and eccentric motor；The stress frame is vertical to be fixed on
In the enclosure space；The side on stress frame top is fixedly connected with one end of the stress plate, the stress plate it is another
One end is fixedly connected with one end of the first sample, the second sample；First sample, second sample the other end pass through electricity
Power insulation traction rope is connect with the eccentric motor；
The testing transformer is connect by conducting wire with first sample, second sample；
The cold cycling module is used to provide corresponding circulating temperature for first sample, second sample；
The data acquisition module for acquire first sample, the strain stress of second sample, leakage current,
Corona discharge information, shelf depreciation information and temperature information.
Optionally, the acquisition module includes that strain stress unit, infrared thermoviewer, ultraviolet imager, high-frequency electrical are spread
Sensor, leakage current collection unit；The strain stress unit, the infrared thermoviewer, the ultraviolet imager are for real-time
Measure the strain stress, temperature information and corona discharge information of first sample and second sample；The leakage electricity
Stream acquisition unit, the High Frequency Current Sensor are used to measure the leakage current drawn game of the first sample and the second sample after aging
Portion's discharge information.
Optionally, the strain stress unit includes distribution type fiber-optic measuring appliance and foil gauge based on Brillouin principle；
For the strain gauge adhesion on first sample and second sample, the foil gauge passes through conducting wire and the distributed light
Fine measuring appliance connection.
Optionally, the camera of the infrared thermoviewer and the ultraviolet imager is directed at first sample and described
Second sample.
Optionally, the High Frequency Current Sensor, the leakage current collection unit pass through the after conducting wire and aging
A sample is connected with the second sample.
Optionally, first sample is 1Solid polyurethane composite insulation cross arm,
First sample is 1Hollow inflatable composite insulation cross arm.
Optionally, the voltage rating of the testing transformer is AC 50-400kV, DC 70-420kV, and rated capacitance is
1-400kVA。
Optionally, the stress frame is made of a length of 1.25m, the steel stress frame that width is 1m；The material of the stress frame
For Q460 high strength steel；The stress plate is horizontally set in the enclosure space, and the size of the stress plate is 0.6m*
0.5m*0.2m；The number of units of the eccentric motor is 2, and the power of every eccentric motor is 10kw；
On the ground, stress frame part is imbedded in underground for enclosure space setting, and the stress frame buries
Depth is 1m.
Optionally, the temperature range that the cold cycling module provides is -30 DEG C to 50 DEG C；The cold cycling module packet
Include air-cooler, compressor, radiator, steam engine；The pressure that the air-cooler passes through setting on the outside of hollow pipe and the enclosure space
The connection of contracting machine, the radiator are connect by the steam engine being arranged on the outside of hollow pipe and the enclosure space；The air-cooler
Model DJ55, the compressor set are 8HP.
Optionally, the multifactor Aging Assessment system of the composite insulation cross arm further includes the cloth between electric insulation traction rope
The pull pressure sensor and displacement meter set；The pull pressure sensor and displacement meter are for the first sample, institute described in real-time measurement
State the load information and displacement information of the second sample.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
The multifactor Aging Assessment system of composite insulation cross arm provided by the utility model can simultaneously to mechanical stress, temperature with
And voltage is adjusted, while during the test can also strained situation, leakage current, shelf depreciation and temperature to sample
The parameters such as degree measure, and then the ageing properties of sample are assessed according to the parameter of measurement.
In addition, since composite insulation cross arm silicon rubber coating is different with the thermal expansion coefficient of FRP plug, composite insulation cross arm
In the biggish environment of day and night temperature, it is subjected to may result in composite insulation cross arm bonding agent under hot and cold alternation environment for a long time old
Change, gap layering etc. occurs in interface.Therefore, increase cooling and heating circulation system in the present invention, high-power heating and system are installed
Cool equipment realizes the alternate cycles of high temperature and low temperature in climatic chamber, meets actual demand.
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
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the multifactor Aging Assessment system of the utility model embodiment composite insulation cross arm；
Fig. 2 is the utility model embodiment stress test module and composite insulation cross arm scheme of installation；
Fig. 3 is the utility model embodiment composite insulation cross arm stress diagram；
Fig. 4 is the utility model embodiment cold cycling schematic diagram.
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 purpose of the utility model is to provide a kind of multifactor Aging Assessment systems of composite insulation cross arm, can be from multi-angle
The ageing properties of multifactor assessment composite insulation cross arm.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Composite insulation cross arm (or referred to as compound cross-arm) in structure with composite insulator or composite post insulator class
Seemingly, but it biggish with composite insulator distinguishes the difference for being its mechanically stressed situation, while the weakness of composite insulation cross arm
Link is other than its mechanical strength causes mechanical fatigue occur at part-structure especially pipe fitting tie point with runing time increase, more
For the increase important is its interface performance with ageing time (such as hot and cold alternation, mechanical oscillation, bending), lead to its interface performance
There is micropore or crackle, while will lead to shelf depreciation when inside enters moisture or filth and generating in deterioration, and may lead when serious
Cause external insulation breakdown and insulation FRP plug fragility fracture.
The utility model considers compound exhausted mainly for the research of the interfacial characteristics under composite insulation cross arm long-term ageing
Mechanical temperature suffered by edge cross-arm and voltage characteristic, carry out the design of the comprehensive multifactor aging sample platform of multi-angle, and then provide
A kind of multifactor Aging Assessment system of composite insulation cross arm.
Fig. 1 is the structural schematic diagram of the multifactor Aging Assessment system of the utility model embodiment composite insulation cross arm, such as Fig. 1
Shown, the multifactor Aging Assessment system of composite insulation cross arm provided by the embodiment of the utility model includes four most of, respectively
Testing transformer, stress test module, cold cycling module and data acquisition module.The enclosure space is arranged on ground
On.
The stress test module includes stress frame, stress plate and eccentric motor；The stress frame is vertical to be fixed on
In the enclosure space；The side on stress frame top is fixedly connected with one end of the stress plate, the stress plate it is another
One end is fixedly connected with one end of the first sample, the second sample；First sample, second sample the other end pass through electricity
Power insulation traction rope is connect with the eccentric motor.
The testing transformer is connect by conducting wire with first sample, second sample.
The cold cycling module is used to provide corresponding temperature for first sample, second sample；
The data acquisition module for acquire first sample, the strain stress of second sample, leakage current,
Corona discharge information, shelf depreciation information and temperature information.
Wherein, first sample is 1Solid polyurethane composite insulation cross arm, institute
Stating the first sample is 1Hollow inflatable composite insulation cross arm.
The voltage rating of the testing transformer is AC 50-400kV, DC 70-420kV, rated capacitance 1-
400kVA。
The acquisition module includes strain stress unit, infrared thermoviewer, ultraviolet imager, High Frequency Current Sensor, lets out
Leakage current acquisition unit；The strain stress unit, the infrared thermoviewer, the ultraviolet imager are for described in real-time measurement
The strain stress of first sample and second sample, temperature information and corona discharge information；The leakage current collection list
First, the described High Frequency Current Sensor is used to measure leakage current and the shelf depreciation letter of the first sample and the second sample after aging
Breath.Details is shown in Table 1.
1 measurement method of parameters of table and instrument summary sheet
The strain stress unit includes distribution type fiber-optic measuring appliance and foil gauge based on Brillouin principle；The strain
Piece is pasted on first sample and second sample, and the foil gauge passes through conducting wire and the distribution type fiber-optic measuring appliance
Connection.
The camera of the infrared thermoviewer and the ultraviolet imager is directed at first sample and second sample
Product.
The High Frequency Current Sensor, the leakage current collection unit pass through the first sample after conducting wire and aging and
The connection of second sample.
Preferably, the multifactor Aging Assessment system of the composite insulation cross arm further includes the cloth between electric insulation traction rope
The pull pressure sensor and displacement meter set；The pull pressure sensor and displacement meter are for the first sample, institute described in real-time measurement
State the load information and displacement information of the second sample.
Mechanical stress will cause the stress fatigue of composite insulation cross arm, especially will cause composite insulation cross arm root connector
Mechanical fatigue and composite insulation cross arm silicon rubber/FRP plug interfacial adhesion decline.Therefore, it according to actually required, is commenting
Estimate and needs stress test module in the test of composite insulation cross arm ageing properties.
In conjunction with practical power transmission tower frame project situation, with reference to mechanical model and composite insulation cross arm shrinkage scale cun, using such as Fig. 2
Shown in mounting means realize stress test.
Before the installation of composite insulation cross arm test specimen, according to the geometric dimension of composite insulation cross arm test specimen, it is pre-machined multiple
Close the coupling beam device of insulator crossarm test specimen and counter force wall, the final test installation for realizing composite insulation cross arm test specimen.According to reality
500kV composite insulation cross arm running environment, determines the parameters such as conductor load, wind speed, vibration frequency.To composite insulation cross arm test specimen
Force analysis is carried out, determines composite insulation cross arm test load.Composite insulation cross arm stress diagram is as shown in Figure 3.
Since test duration is longer, and need to carry out composite insulation cross arm test specimen lasting stress and vibration, therefore answer
The design and construction of power frame is the factor to play a key effect in entire test, considers composite insulation cross arm test specimen in actual condition
Under stress condition, devise by a length of 1.25m, width be 1m steel stress frame, stress frame part is also imbedded in underground,
Buried depth is 1m；The material of the stress frame is Q460 high strength steel.
Composite insulation cross arm end is connected with eccentric motor by electric insulation traction rope, realizes composite insulation cross arm system
The load of system pulling force.
With reference to the fatigue test of wind power generation unit blade, build mainly by fixed device (stress frame), stress plate, eccentric motor
The stress test module of composition.Stress plate is horizontally disposed in the enclosed space, and the ring flange of composite insulation cross arm one end passes through
Nut is fastened on stress plate, and the other end of composite insulation cross arm is connected by electric insulation traction rope with eccentric motor.In order to
Analog composite insulator crossarm cross-arm Vibration Condition caused by conductor galloping, done by eccentric motor the swing under setpoint frequency come
It realizes.
In addition the size of the stress plate is 0.6m*0.5m*0.2m；The number of units of eccentric motor is 2, and every eccentric motor
Power be 10kw.
Since composite insulation cross arm silicon rubber coating is different with the thermal expansion coefficient of FRP plug, composite insulation cross arm is in daytime
In the biggish environment of the night temperature difference, it is subjected to may result in composite insulation cross arm bonding agent aging, boundary under hot and cold alternation environment for a long time
There is gap layering etc. in face.Therefore, it needs to consider day and night temperature problem in comprehensive degradation, increases thermal cycling test.
The temperature range that the cold cycling module provides is -30 DEG C to 50 DEG C；The cold cycling module includes cold wind
Machine, compressor, radiator, steam engine；The air-cooler is connected by the compressor being arranged on the outside of hollow pipe and the enclosure space
It connects, the radiator is connect by the steam engine being arranged on the outside of hollow pipe and the enclosure space, and uses 300ml sealing rubber ring
Sealing；The model DJ55 of the air-cooler, the compressor set are 8HP.The size of the compressor set is 1.5m*1.5m*
1.5m。
The alternate cycles of high temperature and low temperature in climatic chamber are realized by building phjytotron (enclosure space).It is high in test
The selected temperature of low temperature is respectively 50 DEG C and -30 DEG C, each to continue 12h, as shown in figure 4, a high temperature and a low temperature are one
Circulation amounts to 5000h, is finally restored to room temperature from low temperature-.A length of 5000h when due to test, it is therefore desirable to phjytotron
Each cooling and warming testing equipment is assessed and is selected in reasonable design and climatic chamber, can be met ultra-long time and be held
The requirement of continuous work.
The utility model drafts the phjytotron built having a size of 5.1m*2.3m*2.55m.A left side in the controlled environment chamber
Side is air-cooler and radiator, and air cooler position is located at lower section on the left of phjytotron in phjytotron left side top, radiator.
Air-cooler and radiator are realized respectively to the indoor refrigeration of phjytotron and heating, and air-cooler connection is located at the compression in outside
Machine, radiator connection are located at the steam engine in outside.Meanwhile stress test module will be placed in workspace.Phjytotron room
The adjusting of interior high/low temperature is realized by the electric cabinet for being located at artificial climate chamber outer wall.The detailed technology parameter of equipment is as described below, choosing
Select refrigeration unit of the compressor set as phjytotron that specification is 8HP, operating condition is extremely subzero between 35 DEG C at 50 DEG C,
Refrigerating capacity is 6500W.Radiator in heating combined equipment is particularly customized, condensation area 49m2To meet phjytotron ruler
Very little requirement, nominal capacity 18100W.Select the air-cooler of model DJ55, disengagement area 55m2Meet artificial climate
Chamber size, nominal capacity 9800W, sheet metal be stainless steel material, arrangement mode be 5 combs, every row 12, caliber 16,
Pitch of fins 9mm, blower diameter 500mm.
Compared with prior art, the utility model is capable of the living environment of real simulation composite insulation cross arm, accurate to assess
The ageing properties of composite insulation cross arm.In addition.During the test, mechanical stress, temperature and voltage can be adjusted,
During the test can the parameters such as strained situation, leakage current, shelf depreciation and temperature to composite insulation cross arm carry out
Real-time measurement, further demonstrating assessment system provided by the utility model can be horizontal from the multifactor assessment compound inslation of multi-angle
The ageing properties of load.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of multifactor Aging Assessment system of composite insulation cross arm, which is characterized in that the composite insulation cross arm is multifactor old
Changing assessment system includes testing transformer, stress test module, cold cycling module and the data of setting in the enclosed space
Acquisition module；
The stress test module includes stress frame, stress plate and eccentric motor；The stress frame it is vertical be fixed on it is described
In enclosure space；The side on stress frame top is fixedly connected with one end of the stress plate, the other end of the stress plate
It is fixedly connected with one end of the first sample, the second sample；First sample, the other end of second sample are exhausted by electric power
Edge traction rope is connect with the eccentric motor；
The testing transformer is connect by conducting wire with first sample, second sample；
The cold cycling module is used to provide corresponding circulating temperature for first sample, second sample；
The data acquisition module is used to acquire strain stress, leakage current, the corona of first sample, second sample
Discharge information, shelf depreciation information and temperature information.
2. the multifactor Aging Assessment system of composite insulation cross arm according to claim 1, which is characterized in that the acquisition mould
Block includes strain stress unit, infrared thermoviewer, ultraviolet imager, High Frequency Current Sensor, leakage current collection unit；It is described
Strain stress unit, the infrared thermoviewer, the ultraviolet imager are for the first sample and described second described in real-time measurement
Strain stress, temperature information and the corona discharge information of sample；The leakage current collection unit, high-frequency current sensing
Device is used to measure the leakage current and part discharge information of the first sample and the second sample after aging.
3. the multifactor Aging Assessment system of composite insulation cross arm according to claim 2, which is characterized in that described to answer allergic effect
Power unit includes distribution type fiber-optic measuring appliance and foil gauge based on Brillouin principle；The strain gauge adhesion is in first sample
On product and second sample, the foil gauge is connect by conducting wire with the distribution type fiber-optic measuring appliance.
4. the multifactor Aging Assessment system of composite insulation cross arm according to claim 2, which is characterized in that it is described it is infrared at
As the camera of instrument and the ultraviolet imager is directed at first sample and second sample.
5. the multifactor Aging Assessment system of composite insulation cross arm according to claim 2, which is characterized in that the high-frequency electrical
Flow sensor, the leakage current collection unit pass through conducting wire with after aging the first sample and the second sample connect.
6. the multifactor Aging Assessment system of composite insulation cross arm according to claim 1, which is characterized in that first sample
Product are 1Solid polyurethane composite insulation cross arm, first sample be 1Hollow inflatable composite insulation cross arm.
7. the multifactor Aging Assessment system of composite insulation cross arm according to claim 1, which is characterized in that the test becomes
The voltage rating of depressor is AC 50-400kV, DC 70-420kV, rated capacitance 1-400kVA.
8. the multifactor Aging Assessment system of composite insulation cross arm according to claim 1, which is characterized in that the stress frame
It is made of a length of 1.25m, the steel stress frame that width is 1m；The material of the stress frame is Q460 high strength steel；The stress
Plate is horizontally set in the enclosure space, and the size of the stress plate is 0.6m*0.5m*0.2m；The eccentric motor
Number of units is 2, and the power of every eccentric motor is 10kw；
On the ground, stress frame part is imbedded in underground, and the buried depth of the stress frame for the enclosure space setting
For 1m.
9. the multifactor Aging Assessment system of composite insulation cross arm according to claim 1, which is characterized in that described cold and hot to follow
The temperature range that ring moulds block provides is -30 DEG C to 50 DEG C；The cold cycling module includes air-cooler, compressor, radiator, steaming
Steam turbine；The air-cooler is connect by the compressor being arranged on the outside of hollow pipe and the enclosure space, and the radiator passes through sky
The steam engine being arranged on the outside of heart pipe and the enclosure space is connect；The model DJ55 of the air-cooler, the compressor set are
8HP。
10. -9 described in any item multifactor Aging Assessment systems of composite insulation cross arm according to claim 1, which is characterized in that
The multifactor Aging Assessment system of composite insulation cross arm further includes the pressure sensing arranged between electric insulation traction rope
Device and displacement meter；The lotus of the pull pressure sensor and displacement meter for the first sample, second sample described in real-time measurement
Information carrying breath and displacement information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978501.7U CN209102830U (en) | 2018-11-29 | 2018-11-29 | A kind of multifactor Aging Assessment system of composite insulation cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978501.7U CN209102830U (en) | 2018-11-29 | 2018-11-29 | A kind of multifactor Aging Assessment system of composite insulation cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102830U true CN209102830U (en) | 2019-07-12 |
Family
ID=67161774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821978501.7U Active CN209102830U (en) | 2018-11-29 | 2018-11-29 | A kind of multifactor Aging Assessment system of composite insulation cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298272A (en) * | 2018-11-29 | 2019-02-01 | 南方电网科学研究院有限责任公司 | A kind of multifactor Aging Assessment system of composite insulation cross arm |
-
2018
- 2018-11-29 CN CN201821978501.7U patent/CN209102830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298272A (en) * | 2018-11-29 | 2019-02-01 | 南方电网科学研究院有限责任公司 | A kind of multifactor Aging Assessment system of composite insulation cross arm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109298272A (en) | A kind of multifactor Aging Assessment system of composite insulation cross arm | |
| Jiang et al. | Predictive model for equivalent ice thickness load on overhead transmission lines based on measured insulator string deviations | |
| CN103235612A (en) | Device and method for intermittently ventilating cooling cable tunnel | |
| CN102968554B (en) | Tower pole icing disaster risk prediction method based on safety margin | |
| CN209102830U (en) | A kind of multifactor Aging Assessment system of composite insulation cross arm | |
| CN103532075A (en) | Realization method of capacity expansion operation of 220-500kV lines | |
| CN106323542B (en) | For measuring the device of wind-driven generator icing rear surface wind pressure | |
| CN213457157U (en) | Outdoor simulated conductor icing test system | |
| CN110567518A (en) | Dynamic capacity expansion system and method based on power transmission line temperature measurement | |
| CN109408928A (en) | A kind of optimization method of V-type insulator hang | |
| Phillips et al. | Investigation of a dynamic power line rating concept for improved wind energy integration over complex terrain | |
| CN107329022A (en) | A kind of transmission line of electricity loadability analysis method | |
| CN203689973U (en) | High-resistance steel core ice-melting lead | |
| CN206248808U (en) | A kind of resistance box for being applied to low pressure and Hi-pot test load box | |
| CN205743218U (en) | 220kV upper font composite material transmission tower | |
| CN106408210B (en) | Equivalent wind speed measurement method and its measuring device based on power transmission line dynamic capacity increase | |
| Dong et al. | Characteristics of temperature distribution and current carrying capacity of XLPE cable joint | |
| Fu et al. | Integration of wind power into existing transmission network by dynamic overhead line rating | |
| Huang et al. | An on-line monitoring system of transmission line conductor de-icing | |
| CN203351266U (en) | Power transmission wire preventing ice and snow disasters | |
| Chen et al. | Thermal grading around overhead transmission line under various environments and its influence to load capacity | |
| CN109063385B (en) | Method for optimizing parameters of deicing air pipe by electrified hot air | |
| CN207650081U (en) | A kind of experimental provision of simulation wind sand environment | |
| CN106199430B (en) | Large-scale permanent-magnetic wind driven generator heat dissipation performance experimental bench | |
| Yan et al. | Ice adhesion on the surface of PDMS/nano-silica hybrid super-hydrophobic coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |