CN103344546B - A kind of artificial contamination deposition characteristic test system and method for operating thereof - Google Patents
A kind of artificial contamination deposition characteristic test system and method for operating thereof Download PDFInfo
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- CN103344546B CN103344546B CN201310297962.3A CN201310297962A CN103344546B CN 103344546 B CN103344546 B CN 103344546B CN 201310297962 A CN201310297962 A CN 201310297962A CN 103344546 B CN103344546 B CN 103344546B
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Abstract
The invention belongs to field of power, disclose a kind of artificial contamination deposition characteristic test system and method for operating thereof, this system comprises the wind regime power section, test section and the air channel diffusion dedusting section that are communicated with successively; Wind regime power section is used for providing natural wind in test section; Test section is used for the contamination situation of the insulator of simulating grid; Air channel diffusion dedusting section is for collecting dust and providing ducting outlet; Wind regime power section is provided with base, for supporting described pilot system.The present invention by arranging blower fan in pilot system inside, dust spills wave apparatus and insulator etc., achieve to carry out in laboratory manual simulation comprise wind, rain, mist and etc. the insulator Natural contamination under typical environment and different pollution level, with traditional circuit sample carry out Natural contamination characteristic research method compared with, time saving and energy saving, safe and reliable, research range is wide, its achievement in research for electric transmission line isolator operation maintenance and design selection significant.
Description
Technical field
The invention belongs to field of power, be specifically related to a kind of artificial contamination deposition characteristic test system and method for operating thereof.
Background technology
The insulator surface be chronically exposed in air can deposit dunghill, under the wet weathers such as snow, mist, drizzle, in dunghill, soluble salts will be dissolved in water, and there is electric conductivity, reduce the dielectric strength of insulator, pollution flashover even can occur causes electric power supply to be interrupted, and has a strong impact on commercial production and daily life.Under certain environmental conditions, insulator profile has significant impact to dunghill in the deposition of insulator surface, therefore the atmospheric environment of room analog insulation operation by experiment, select the insulator that contamination amount is few and resistance to pollution flashover voltage value is high in the present context, to the generation reducing pollution flashover accident, improve electric power supply reliability and have great importance.
Existing insulator Natural contamination characteristic research method is:
(1) choose outdoor dissimilar environment point, dissimilar and insulator that is profile are arranged in high-voltage fence;
(2), after exposing 3 ~ 5 years in physical environment, insulator is taken off from high-voltage fence, filth is carried out to insulator surface and gathers and measure;
(3) carry out insulator Natural contamination specificity analysis, contrast the dissimilar and contamination accumulation characteristics difference of profile insulator in running environment, choose the insulator of this environmental form applicable.
When getting insulator, because the Natural contamination time is longer, and circuit sampling procedure is loaded down with trivial details out of doors, staff needs to climb up shaft tower, there is potential safety hazard, and laboratory measurement is taken back in sampling end, process is longer, period may exist test product be scattered lose situation, Measurement reliability is not high.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of artificial contamination deposition characteristic test system and method for operating thereof, carry out in laboratory manual simulation comprise wind, rain, mist and etc. the insulator Natural contamination under typical environment and different pollution level, with traditional circuit sample carry out Natural contamination characteristic research method compared with, time saving and energy saving, safe and reliable, research range is wide.
The method of operating of a kind of artificial contamination deposition characteristic test system provided by the invention, its improvements are, described method comprises the steps:
(1) insulator chain of different profile is hung on below rotating-table apparatus, and introduce power supply by high-voltage wall bushing, apply required voltage to insulator chain;
(2) wind regime power section starts blower fan group;
(3) start dust sowing apparatus, carry out sending out dust;
(4) start rotating-table apparatus, drive insulator chain to rotate along the axis of rotating-table apparatus, when insulator surface dust deposit reaches testing requirements, stop dust sending out, stop blowing, stop turntable rotation;
(5) start spraying plant, make dust bonding in the surface of insulator;
(6) start heating, drying device, make dust dry solidification in insulator surface;
(7) start device of drenching with rain, make insulating surface filth produce local cleaning, again start drying system and make dust dry;
(8) return step (2) again to circulate, until the contamination situation that pollution severity of insulators deposits with it in atmospheric environment is similar;
(9) close high-voltage power supply, insulator is taken out in artificial contamination laboratory, filth is carried out to insulator surface and gathers and measure, contrast dissimilar and profile insulator contamination accumulation characteristics difference.
Wherein, in step (3), adjustment dust sprinkles sowing the position of device on guide rail, by dust concentration sampling thief monitoring dust concentration, and adjusts the flow of dust according to test demand, makes dust drop on the surface of insulator testpieces uniformly.
The present invention is based on a kind of artificial contamination deposition characteristic test system that another object proposes, its improvements are, described pilot system comprises the wind regime power section, test section and the air channel diffusion dedusting section that are communicated with successively;
Described wind regime power section is used for providing natural wind in described test section;
Described test section is used for the contamination situation of the insulator of simulating grid;
Described air channel diffusion dedusting section is for collecting dust and providing ducting outlet;
Described wind regime power section is provided with base, for supporting described pilot system.
Wherein, described wind regime power section, test section and air channel diffusion dedusting section are tube structure, and its three adopts welding manner to connect successively.
Wherein, described wind regime power section comprises the gatherer, blower fan group, honeycomb and the damping screen that set gradually;
Described blower fan group is arranged on the inflow point of described wind regime power section, and it is fixed with the import of described gatherer and described wind regime power section respectively by flange;
Described honeycomb with in central axis upright, be fixed by welding in the hole body of described wind regime power section, it is furnished with damping screen, for adjusting wind speed; Described damping screen adopts pressing plate and bolt to be vertically fixed in the body of described hole.
Wherein, described test section comprises dust sowing apparatus, heating, drying device, spraying plant, device of drenching with rain, insulator chain and high-voltage wall bushing;
Described test section is divided into three sections, is provided with guide rail, rotating-table apparatus I and rotating-table apparatus II successively; Described guide rail, rotating-table apparatus I and rotating-table apparatus II are separately positioned on the top of described cylindrical shell in central axial direction;
Described guide rail is provided with moveable described dust sowing apparatus;
Described rotating-table apparatus I is provided with spraying plant I and the device I that drenches with rain near the upper end of test section cylinder lateral wall; The top of described rotating-table apparatus I is provided with the described heating, drying device I being fixed on described test section cylindrical shell top; The below of described rotating-table apparatus I is provided with suspension described insulator chain I thereon;
Described rotating-table apparatus II is provided with spraying plant II and the device I that drenches with rain near the upper end of test section cylinder lateral wall; The top of described rotating-table apparatus II is provided with the described heating, drying device II being fixed on described test section cylindrical shell top; The below of described rotating-table apparatus II is provided with suspension described insulator chain II thereon;
The side of described cylindrical shell is provided with high-voltage wall bushing, and it is through the cylindrical shell of test section, outdoor end connection transformer, indoor end connecting insulator string, provides high-voltage power supply for giving described insulator chain.
Wherein, described test section comprises dust concentration sampling thief; Described dust concentration sampling thief is arranged between described guide rail and rotating-table apparatus I.
Wherein, the cylinder top of described air channel diffusion dedusting section is provided with row's rain spray nozzle.
Compared with the prior art, beneficial effect of the present invention is:
The present invention carry out in laboratory manual simulation comprise the typical environment such as wind, rain, mist and different pollution level under insulator Natural contamination, with traditional circuit sample carry out Natural contamination characteristic research method compared with, time saving and energy saving, safe and reliable, research range is wide, its achievement in research for electric transmission line isolator operation maintenance and design selection significant.
Artificial contamination pilot system in the present invention can guarantee the uniform and stable of wind, can natural wind simulating preferably, air channel diffusion dedusting section is set and effectively can mediates dust in process of the test, prevent the pollution of the environment, the sowing apparatus that the present invention is arranged, drench with rain device, spraying plant and drying unit combination, can the sub-Natural contamination of analog insulation in short-term preferably in insulator.
The present invention can obtain the distribution character that filthy lower surface and different parts on the insulator deposit at short notice, without the need to grid power blackout, and a large amount of manpower and materials can be saved, research range is wide, its achievement in research for the sub-type selecting of power system insulation and external insulating level significant.
Accompanying drawing explanation
Fig. 1 is the front elevation of pilot system provided by the invention.In figure, A-1 is gatherer; A-2 is blower fan group; A-3 is honeycomb; A-4 is damping screen.
Fig. 2 is the test section structural drawing of pilot system provided by the invention.In figure, 1-air velocity transducer; 2-dust sowing apparatus; 3-dust concentration sampling thief; 4-heating, drying device; 5-spraying plant; 6-drenches with rain device; 7-rotating-table apparatus; 8-insulator chain; 9-high-voltage wall bushing.
Fig. 3 is syndeton schematic diagram between pedestal provided by the invention and ground.
Fig. 4 is damping screen provided by the invention and pipe connecting structure figure.In figure, A-4 is damping screen; A-5 is pressing plate; A-6 is bolt; A-7 is pipeline shell; A-8 is nut.
Fig. 5 is the front view of dust sowing apparatus provided by the invention.In figure, 2-1 is base frame; 2-2 is hopper; 2-3 is that dust broadcasts sowing roller.
Fig. 6 is the vertical view of dust sowing apparatus provided by the invention.In figure, 2-5 is reductor; 2-6 is servomotor.
Fig. 7 is the structural representation that dust provided by the invention sprinkles sowing roller.In figure, 2-4 is straight line units; 2-7 is sealing roll curtain.
Fig. 8 is rotating-table apparatus structural drawing provided by the invention.In figure, 7-1 is ground wire; 7-2 is conductive contact folder; 7-3 is connecting line; 7-4 is conductive contact folder; 7-5 is the second connecting link; 7-6 is the 3rd connecting link; 7-7 is the 4th connecting link; 7-8 is outer conducting ring; 7-9 is dead ring; 7-10 inner layer conductive ring; 7-11 is rotation rotating disk; 8 is insulator chain; 7-12 is head rod.
Fig. 9 is the sequential chart controlled test section provided by the invention.In figure, black surround is for operating, and white edge is shut-down operation.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
A kind of artificial contamination deposition characteristic test system that the present embodiment proposes, its integrally-built front elevation as shown in Figure 1, mainly comprises three parts, A-wind regime power section; B-test section; C-air channel diffusion dedusting section.
Wind regime power section is used for providing natural wind in test section; Be provided with base bottom it, for supporting whole pilot system, as shown in Figure 3, the pedestal adopting H profile steel to be welded, adopts the expansion bolt of M20 to be connected to the syndeton schematic diagram between base and ground between pedestal with ground.
Test section is the main body test portion of artificial contamination deposition characteristic test system, is mainly used in simulating the insulator chain 8 on the electrical network in reality;
Air channel diffusion dedusting section is for collecting dust and providing ducting outlet.
Wind regime power section, test section and air channel diffusion dedusting section are the tube structure of steel, and its three adopts welding manner to connect successively.Each section of steel hole body all adopts the thick Q235 Plate Welding of 6mm to form, and horizontal bar and vertical muscle adopt the Q235 steel plate that 10mm is thick.Wherein each section is described as follows:
A-wind regime power section:
Wind regime power section comprises the gatherer A-1, blower fan group A-2, honeycomb A-3 and the damping screen A-4 that connect successively; Blower fan group A-2 is fixed with the import of gatherer A-1 and wind regime power section respectively by flange, blower fan group A-2 adopts the blower fan of 4 internal diameter 1.2m, symmetry is arranged in 3m × 3m power section cylindrical shell, and it is arranged on the inflow point of wind regime power section, for the wind provided evenly, stable and wind speed is adjustable.Every Fans parameter is as follows: flow 25kg/s, and pressure increases 50Pa, power 11kW, and fans entrance place can arrange safety guard net.Honeycomb A-3 is regular hexagon hole lattice, circumscribed circle diameter 15mm, wall thickness 0.1mm, long 150mm, honeycomb A-3 with in central axis upright, be fixed by welding in the hole body of wind regime power section, it is furnished with damping screen A-4, distance honeycomb A-3 general 1050mm, be provided for wind evenly, access expansion wind; Damping screen A-4 adopts pressing plate A-5 and bolt A-6 to be vertically fixed on pipeline shell A-7, as shown in Figure 4.
B-test section:
As shown in Figure 2, test section comprises dust sowing apparatus 2, dust concentration sampling thief 3, heating, drying device 4, spraying plant 5, device 6 of drenching with rain, rotating-table apparatus 7, insulator chain 8 and high-voltage wall bushing 9;
Test section is divided into three sections by the present embodiment, from left to right be provided with dust sowing apparatus 2(first paragraph successively), rotating-table apparatus I(second segment) and rotating-table apparatus II(the 3rd section), its three is separately positioned on the top of cylindrical shell in central axial direction, near the position (vertical range at distance top is less than 300mm, lower same) at top;
The dust sowing apparatus 2 of the present embodiment, its front view and vertical view as shown in Figure 5 and Figure 6, this device comprises base frame 2-1, hopper 2-2, dust sprinkles sowing roller 2-3, straight line units 2-4, reductor 2-5, sealing roll curtain 2-7 and for drive dust sprinkle sowing roller 2-3 rotate servomotor 2-6; Basic framework 2-1 is welded by channel-section steel and angle steel, and it is rectangle, and on two long limit, upper level is provided with two straight line units 2-4, as shown in Figure 6; Straight line units 2-4 is the structure of rectangular guideway, and the span of two straight line units has moveable dust to sprinkle sowing roller 2-3; Dust sprinkles sowing roller 2-3 and is provided with hopper 2-2.
It is an external diameter is the rigid roller of 200mm that dust sprinkles sowing roller 2-3, and it arranges several cone-shaped blind hole, and when putting into dust from hopper, cone-shaped blind hole lands in order to drive dust, and its structure as shown in Figure 7.The reductor 2-5 of the present embodiment its sprinkle sowing roller 2-3 with dust and be connected, for the velocity of rotation regulating dust to sprinkle sowing roller.
The sealing roll curtain 2-7 of the present embodiment, its curtain rolling shaft is arranged on two broadsides of basic framework 2-1, when its roller shutter falls, can form enclosure space with cylindrical shell, places dust and disorderly flies.
Straight line units 2-4 in dust sowing apparatus 2 is bolted on the top of the cylindrical shell of test section, is provided with moveable dust and sprinkles sowing roller 2-3 above it; The dynamics of sowing for making dust meets requirement of experiment, and the present embodiment is preferred, in the below of guide rail, air velocity transducer 1 is provided with a sidewall of central axis horizontal parallel, for detecting the wind speed that wind regime power section provides, and according to testing requirements, blower fan group A-2 is allowed to change wind speed size.
Rotating-table apparatus I is embedded in the top of cylindrical shell by bolt, for making insulator chain 8 evenly contamination, its upper end near test section cylinder lateral wall is provided with spraying plant 5 and device 6 of drenching with rain, for the natural fog in simulating atmospheric environment and rain, moistening and cleanup action is produced to insulator chain 8 surface dust dunghill; The top of rotating-table apparatus I is provided with the heating, drying device 4 being fixed on test section cylindrical shell top, shines upon for simulating large nature, can be made insulator chain 8 dry tack free of drenching by the form generation heat of illumination; The below of described rotating-table apparatus I is provided with suspension described insulator chain 8 thereon;
3rd section with second segment structure and act on identical, rotating-table apparatus II is embedded in the top of cylindrical shell by bolt, for making insulator chain 8 evenly contamination, its upper end near test section cylinder lateral wall is provided with spraying plant 5 and device 6 of drenching with rain, for the natural fog in simulating atmospheric environment and rain, moistening and cleanup action is produced to insulator chain 8 surface dust dunghill; The top of rotating-table apparatus II is provided with the heating, drying device 4 being fixed on test section cylindrical shell top, shines upon for simulating large nature, can be made insulator chain 8 dry tack free of drenching by the form generation heat of illumination; The below of described rotating-table apparatus I is provided with suspension described insulator chain 8 thereon;
The rotating-table apparatus of the present embodiment, its structure as shown in Figure 8, comprises dead ring 7-9, head rod 7-12, the second connecting link 7-5, the 3rd connecting link 7-6, the 4th connecting link 7-7 and rotating disk 7-11; Head rod 7-12 overlaps with the central shaft of dead ring 7-9, and is fixed by pole and dead ring 7-9; Inner layer conductive ring 7-10 is set inside dead ring 7-9, the outer conducting ring 7-8 that arranged outside is mated with inner layer conductive ring 7-10; Three grooves are set at the bottom even of outer conducting ring 7-8, configure the second connecting link 7-5, the 3rd connecting link 7-6 and the 4th connecting link 7-7 respectively; Second connecting link 7-5, the 3rd connecting link 7-6 and the 4th connecting link 7-7 are furnished with rotating disk 7-11 respectively; Each rotating disk 7-11 is hung with insulator chain 8.Wherein, inner layer conductive ring 7-10 and outer conducting ring 7-8 is steel design; Inner layer conductive ring 7-10 and outer conducting ring 7-8 split form ring-type, wrap insulate ring 7-9, and outer conducting ring 7-8 adopts conductive contact folder 7-2 to be connected with ground wire, every insulator string string adopts conductive contact folder 7-4 to be connected with outer conducting ring 7-8 by connecting line 7-3.The head rod 7-12 of the present embodiment connects the rotating shaft of the first motor by gear, revolve round the sun, and the second connecting link 7-5, the 3rd connecting link 7-6 and the 4th connecting link 7-7 are connected the rotating shaft of the second motor respectively by gear, carry out rotation respectively.
High-voltage wall bushing is provided with in the side of cylindrical shell, it is through the cylindrical shell of test section, outdoor end connection transformer, indoor end connecting insulator string 8, for providing high-voltage power supply to insulator chain 8, simulates its electriferous state in electrical network.
Between first paragraph and second segment, the present embodiment arranges dust concentration sampling thief 3, it is arranged between straight line units 2-4 and rotating-table apparatus I, for automatic monitoring powder dust concentration, according to the demand feedback of testpieces to dust sowing apparatus, and the concentration of adjustment dust.
C-air channel diffusion dedusting section:
The cylinder top of air channel diffusion dedusting section is provided with row's rain spray nozzle, dust is landed, to avoid contaminated environment by the device of drenching with rain in C section.
Corresponding, the present embodiment proposes a kind of method of operating of artificial contamination deposition characteristic test system, and the sequential chart that its operation controls as shown in Figure 9, comprises the steps:
(1) insulator chain 8 of different profile is hung on below rotating-table apparatus, and introduces power supply by high-voltage wall bushing 9, to insulator chain 8(1 ~ 6 slice) apply required voltage (63.5kV), with the charging operation state of analog insulation in high-voltage fence;
(2) wind regime power section starts blower fan group A-2(wind speed is 1.0 ~ 10.0m/s); Air velocity transducer 1 for the measurement of wind speed, with the natural wind that stands in atmospheric environment of analog insulation;
(3) start dust sowing apparatus 2, carry out sending out dust, with the pollutant in simulating atmospheric environment; In process of the test, monitor dust concentration by dust concentration sampling thief 3, and adjust the flow (0 ~ 0.35m of dust according to test demand
3/ min), make dust drop on the surface of insulator testpieces uniformly;
(4) start rotating-table apparatus 7, drive insulator chain 8 to rotate (completing 180 degree of rotations at interval of 5 minutes) along the axis of rotating-table apparatus, make insulator surface all directions all can contamination, inconsistent with four seasons wind direction in simulating nature circle; When insulator surface dust deposit reaches testing requirements, stop dust sending out, stop blowing, stop turntable rotation;
(5) starting spraying plant 5(spray amount is 0.5kg/m3/h, and mist particle diameter is less than 100 μm), with the mist in simulating atmospheric environment or dew, make dust bonding in the surface of insulator;
(6) heating, drying device 4(once about 20min is started), make dust dry solidification in insulator surface;
(7) starting device 6(rate of rainall scope of drenching with rain is 1.5 ~ 15mm/h), make insulating surface filth produce local cleaning, again start drying system and make dust dry;
(8) return step (2) again to circulate, until the contamination situation that pollution severity of insulators deposits with it in atmospheric environment is similar;
(9) close high-voltage power supply, insulator is taken out in artificial contamination laboratory, filth is carried out to insulator surface and gathers and measure, contrast dissimilar and profile insulator contamination accumulation characteristics difference.
By above-mentioned steps, achieve the contamination situation being simulated insulator on real transmission line of electricity by test platform, avoid the drawbacks such as manual operation.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a method of operating for artificial contamination deposition characteristic test system, is characterized in that, described method comprises the steps:
(1) insulator chain of different profile is hung on below rotating-table apparatus, and introduce power supply by high-voltage wall bushing, apply required voltage to insulator chain;
(2) wind regime power section starts blower fan group;
(3) start dust sowing apparatus, carry out sending out dust;
(4) start rotating-table apparatus, drive insulator chain to rotate along the axis of rotating-table apparatus, when insulator surface dust deposit reaches testing requirements, stop dust sending out, stop blowing, stop turntable rotation;
(5) start spraying plant, make dust bonding in the surface of insulator;
(6) start heating, drying device, make dust dry solidification in insulator surface;
(7) start device of drenching with rain, make insulating surface filth produce local cleaning, again start drying system and make dust dry;
(8) return step (2) again to circulate, until the contamination situation that pollution severity of insulators deposits with it in atmospheric environment is similar;
(9) close high-voltage power supply, insulator is taken out in artificial contamination laboratory, pollution severity of insulators is gathered and measures, contrast dissimilar and profile insulator contamination accumulation characteristics difference;
In step (3), adjustment dust sprinkles sowing the position of device on guide rail, by dust concentration sampling thief monitoring dust concentration, and adjusts the flow of dust according to test demand, makes dust drop on the surface of insulator testpieces uniformly.
2. an artificial contamination deposition characteristic test system, is characterized in that, described pilot system comprises the wind regime power section, test section and the air channel diffusion dedusting section that are communicated with successively;
Described wind regime power section is used for providing natural wind in described test section;
Described test section is used for the contamination situation of the insulator of simulating grid;
Described air channel diffusion dedusting section is for collecting dust and providing ducting outlet;
Described wind regime power section is provided with base, for supporting described pilot system;
Described test section comprises dust sowing apparatus, heating, drying device, spraying plant, device of drenching with rain, insulator chain and high-voltage wall bushing;
Described test section is divided into three sections, is provided with guide rail, rotating-table apparatus I and rotating-table apparatus II successively; Described guide rail, rotating-table apparatus I and rotating-table apparatus II are separately positioned on the top of cylindrical shell in central axial direction;
Described guide rail is provided with moveable described dust sowing apparatus;
Described rotating-table apparatus I is provided with spraying plant I and the device I that drenches with rain near the upper end of test section cylinder lateral wall; The top of described rotating-table apparatus I is provided with the heating, drying device I being fixed on described test section cylindrical shell top; The below of described rotating-table apparatus I is provided with suspension insulator chain I thereon;
Described rotating-table apparatus II is provided with spraying plant II and the device II that drenches with rain near the upper end of test section cylinder lateral wall; The top of described rotating-table apparatus II is provided with the heating, drying device II being fixed on described test section cylindrical shell top; The below of described rotating-table apparatus II is provided with suspension insulator chain II thereon;
The side of described cylindrical shell is provided with high-voltage wall bushing, and it is through the cylindrical shell of test section, outdoor end connection transformer, indoor end connecting insulator string, provides high-voltage power supply for giving described insulator chain.
3. artificial contamination deposition characteristic test system as claimed in claim 2, is characterized in that, described wind regime power section, test section and air channel diffusion dedusting section are tube structure, and its three adopts welding manner to connect successively.
4. artificial contamination deposition characteristic test system as claimed in claim 2, it is characterized in that, described wind regime power section comprises the gatherer, blower fan group, honeycomb and the damping screen that set gradually;
Described blower fan group is arranged on the inflow point of described wind regime power section, and it is fixed with the import of described gatherer and described wind regime power section respectively by flange;
Described honeycomb and central axis upright, be fixed by welding in the hole body of described wind regime power section, it is furnished with damping screen, for adjusting wind speed; Described damping screen adopts pressing plate and bolt to be vertically fixed in the body of described hole.
5. artificial contamination deposition characteristic test system as claimed in claim 2, it is characterized in that, described test section comprises dust concentration sampling thief; Described dust concentration sampling thief is arranged between described guide rail and rotating-table apparatus I.
6. artificial contamination deposition characteristic test system as claimed in claim 2, is characterized in that, the cylinder top of described air channel diffusion dedusting section is provided with row's rain spray nozzle.
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| CN105717037A (en) * | 2016-02-04 | 2016-06-29 | 东南大学 | Haze-environment-simulating experimental device for insulator contamination accumulation characteristics and operation method thereof |
| CN105911442A (en) * | 2016-05-10 | 2016-08-31 | 国家电网公司 | Device of assessing RTV coating surface dirt retention capability |
| CN105759189A (en) * | 2016-05-10 | 2016-07-13 | 国家电网公司 | Suspension insulator filth deposition accelerating device |
| CN106546511B (en) * | 2016-11-25 | 2022-04-05 | 国网河南省电力公司漯河供电公司 | Hydrophobicity detection method for vulcanized silicone rubber coating of power transmission line |
| CN107831384B (en) * | 2017-10-27 | 2019-11-12 | 国网新疆电力公司电力科学研究院 | A kind of green energy conservation method suitable for extreme climate environmental simulation laboratory |
| CN108872051A (en) * | 2018-07-10 | 2018-11-23 | 中国船舶重工集团公司第七二五研究所 | A kind of atmospheric corrosion test device and method of synchronously simulating natural environment |
| CN109738737A (en) * | 2018-12-07 | 2019-05-10 | 国网浙江省电力有限公司金华供电公司 | A kind of device causing overhead transmission line failure for the filthy defect of analog insulation |
| CN109596957B (en) * | 2018-12-13 | 2021-09-14 | 清华大学深圳国际研究生院 | Method and device for simulating rapid dirt accumulation of coastal insulator |
| CN113588527A (en) * | 2021-06-21 | 2021-11-02 | 南方电网科学研究院有限责任公司 | Low-wind-pressure lead aging test system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202502085U (en) * | 2012-03-29 | 2012-10-24 | 上海市电力公司 | Insulator salt density testing system |
| CN202501865U (en) * | 2012-03-23 | 2012-10-24 | 上海市电力公司 | Misty rain simulation system |
| CN202538992U (en) * | 2012-03-29 | 2012-11-21 | 上海市电力公司 | Artificial rain simulator used for insulator test system |
-
2013
- 2013-07-15 CN CN201310297962.3A patent/CN103344546B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202501865U (en) * | 2012-03-23 | 2012-10-24 | 上海市电力公司 | Misty rain simulation system |
| CN202502085U (en) * | 2012-03-29 | 2012-10-24 | 上海市电力公司 | Insulator salt density testing system |
| CN202538992U (en) * | 2012-03-29 | 2012-11-21 | 上海市电力公司 | Artificial rain simulator used for insulator test system |
Non-Patent Citations (2)
| Title |
|---|
| 华东电网500kv线路绝缘子人工和自然积污比较;钱之银等;《高电压技术》;20100331;第36卷(第3期);全文 * |
| 华东电网输电线路绝缘子饱和污秽（盐密）特性及外绝缘配置方法的研究;肖嵘;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20111115(第S2期);论文第40页倒数第1段-第52页倒数第2段 * |
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Effective date of registration: 20160621 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Patentee after: Guo Wang Xinjiang power company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: China Electric Power Research Institute |