CN103344546A - Artificial pollution accumulation characteristic testing system and operating method thereof - Google Patents
Artificial pollution accumulation characteristic testing system and operating method thereof Download PDFInfo
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- CN103344546A CN103344546A CN 201310297962 CN201310297962A CN103344546A CN 103344546 A CN103344546 A CN 103344546A CN 201310297962 CN201310297962 CN 201310297962 CN 201310297962 A CN201310297962 A CN 201310297962A CN 103344546 A CN103344546 A CN 103344546A
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Abstract
The invention belongs to the field of power systems and discloses an artificial pollution accumulation characteristic testing system and an operating method thereof. The system comprises a wind source power section, a test section and an air duct diffusion and dust removal section which are communicated in sequence; the wind source power section is used for providing natural wind for the test section; the test section is used for simulating the pollution accumulation condition of an insulator of a power grid; the air duct diffusion and dust removal section is used for collecting dust and providing an air duct outlet; and the wind source powder section is provided with a base for supporting the testing system. The testing system is internally provided with a draught fan, a dust spreading device, the insulator and the like, so that the artificial simulation for the natural pollution accumulation conditions of the insulator in typical environments such as wind, rain, fog and the like and different pollution degrees in a laboratory is realized; compared with the traditional method for researching the natural pollution accumulation characteristic through circuit sampling, the operating method is time-saving and labor-saving, safe and reliable as well as wide in research range; and a research result has important significance for the operation maintenance as well as the design and selection of the insulator of a power transmission line.
Description
Technical field
The invention belongs to field of power, be specifically related to a kind of artificial contamination characteristic test system and method for operating thereof.
Background technology
The aerial insulator surface of long term exposure can deposit dunghill, descend at wet weathers such as snow, mist, drizzles that soluble salts will be dissolved in water in the dunghill, and has electric conductivity, reduce the dielectric strength of insulator, even pollution flashover can take place cause electric power supply to be interrupted, have a strong impact on commercial production and daily life.Under certain environmental baseline, the insulator profile has significant impact to dunghill in the deposition of insulator surface, therefore the atmospheric environment of chamber analog insulation operation by experiment, be chosen in the few and high insulator of resistant sudden strain of a muscle magnitude of voltage of contamination amount under this environment, to reducing the generation of pollution flashover accident, improve the electric power supply reliability and have great importance.
Existing insulator nature contamination characteristic research method is:
(1) chooses outdoor dissimilar environment point, dissimilar and insulator profile are installed in the high-voltage fence;
(2) in physical environment, expose 3～5 years after, insulator is taken off from high-voltage fence, insulator surface is carried out filth gathers and measure;
(3) carry out insulator nature contamination specificity analysis, contrast dissimilar and the contamination property difference of profile insulator in running environment, choose the insulator that is fit to this environmental form.
When getting insulator, because the natural contamination time is longer, and the circuit sampling procedure is loaded down with trivial details out of doors, the staff need climb up shaft tower, has potential safety hazard, and sampling finishes to take back laboratory measurement, process is longer, during the situation that may exist test product to be scattered to lose, it is not high to measure reliability.
Summary of the invention
At the deficiencies in the prior art, the present invention proposes a kind of artificial contamination characteristic test system and method for operating thereof, in the laboratory, carry out the manual simulation comprise wind, rain, mist and etc. the insulator nature contamination under typical environment and the different pollution level, carry out the method for nature contamination characteristic research compares with traditional circuit sampling, time saving and energy saving, safe and reliable, research range is wide.
The method of operating of a kind of artificial contamination characteristic test system provided by the invention, its improvements are that described method comprises the steps:
(1) insulator chain with different profiles hangs on the rotating-table apparatus below, and introduces power supply by high-voltage wall bushing, applies required voltage to insulator chain;
(2) the wind regime power section starts the blower fan group;
(3) start the dust sowing apparatus, send out dust;
(4) start rotating-table apparatus, drive insulator chain along the axis rotation of rotating-table apparatus, when the insulator surface dust deposit reaches testing requirements, stop dust and send out, stop blowing, stop the rotating disk rotation;
(5) start spraying plant, make dust bonding in the surface of insulator;
(6) start the heating, drying device, make the dust dry solidification in insulator surface;
(7) start the device of drenching with rain, the filthy part that produces of insulating surface is cleaned, start drying system again and make the dust drying;
(8) return step (2) and circulate again, similar with its contamination situation in atmospheric environment until the filthy deposition of insulator surface;
(9) close high-voltage power supply, insulator is taken out in artificial contamination laboratory, insulator surface is carried out filth gather and measure, contrast dissimilar and profile insulator contamination property difference.
Wherein, in the step (3), adjust dust and spill the position of broadcasting device on guide rail, by dust concentration sampling thief monitoring dust concentration, and adjust the flow of dust according to the test demand, make dust drop on the surface of insulator testpieces uniformly.
The present invention is based on a kind of artificial contamination characteristic test system that another purpose proposes, its improvements are that described pilot system comprises wind regime power section, test section and the air channel diffusion dedusting section that is 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 simulation electrical network;
Described air channel diffusion dedusting section is used for collecting dust and ducting outlet being provided;
Described wind regime power section is provided with base, is used 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 gatherer, blower fan group, honeycomb and the damping screen that sets 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 is fixed by welding in the hole body of described wind regime power section with vertical in central axis, and it is furnished with damping screen, is used 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 the dust sowing apparatus, heating, drying device, spraying plant, the 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 on the central axial direction;
Described guide rail is provided with movably 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 that is 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 that is 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;
One side of described cylindrical shell is provided with high-voltage wall bushing, and it passes the cylindrical shell of test section, and outdoor end connects transformer, and indoor end connects insulator chain, is used for giving described insulator chain that high-voltage power supply is provided.
Wherein, described test section comprises the dust concentration sampling thief; Described dust concentration sampling thief is arranged between described guide rail and the rotating-table apparatus I.
Wherein, the cylinder top of described air channel diffusion dedusting section is provided with one and arranges the shower nozzle of drenching with rain.
Compared with the prior art, beneficial effect of the present invention is:
The present invention carries out the manual simulation and comprises insulator nature contamination under typical environment such as wind, rain, mist and the different pollution level in the laboratory, carry out the method for nature contamination characteristic research compares with traditional circuit sampling, time saving and energy saving, safe and reliable, research range is wide, and its achievement in research is significant for electric transmission line isolator operation maintenance and design selection.
Artificial contamination pilot system among the present invention can be guaranteed the uniform and stable of wind, natural wind simulating preferably, air channel diffusion dedusting section is set effectively mediates dust in the process of the test, prevent the pollution of the environment, the sowing apparatus that the present invention arranges, the device of drenching with rain, spraying plant and drying unit combination be in insulator, can be preferably the natural contamination of analog insulation in short-term.
The present invention can obtain filthy distribution character in insulator upper and lower surface and different parts deposition at short notice, need not grid power blackout, and can save lot of manpower and material resources, and research range is wide, and its achievement in research is significant for the sub-type selecting of power system insulation and external insulation configuration.
Description of drawings
Fig. 1 is the front elevation of pilot system provided by the invention.Among the figure, A-1 is gatherer; A-2 is the 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.Among the figure, the 1-air velocity transducer; 2-dust sowing apparatus; 3-dust concentration sampling thief; 4-heating, drying device; The 5-spraying plant; The 6-device of drenching with rain; The 7-rotating-table apparatus; The 8-insulator chain; The 9-high-voltage wall bushing.
Fig. 3 is syndeton synoptic diagram between pedestal provided by the invention and the ground.
Fig. 4 is damping screen provided by the invention and pipe connecting structure figure.Among the 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.Among the 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.Among the figure, 2-5 is reductor; 2-6 is servomotor.
Fig. 7 spills the structural representation of broadcasting roller for dust provided by the invention.Among the 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.Among the figure, 7-1 is ground wire; 7-2 is the conduction contact clip; 7-3 is connecting line; 7-4 is the conduction contact clip; 7-5 is 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 internal layer conducting ring; 7-11 is the rotation rotating disk; 8 is insulator chain; 7-12 is head rod.
Fig. 9 is the sequential chart to test section control provided by the invention.Among the 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 characteristic test system that present embodiment proposes, its integrally-built front elevation mainly comprises three parts as shown in Figure 1, A-wind regime power section; B-test section; C-air channel diffusion dedusting section.
The wind regime power section is used for providing natural wind in test section; Its bottom is provided with base, is used for supporting the whole test system, and the syndeton synoptic diagram between base and the ground adopts the expansion bolt of M20 to be connected between the pedestal that adopts H shaped steel to be welded, pedestal and ground as shown in Figure 3.
Test section is the main body test portion of artificial contamination characteristic test system, is mainly used in simulating the insulator chain 8 on the electrical network in the reality;
Air channel diffusion dedusting section is used for collecting dust and ducting outlet being provided.
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.Steel hole each section of body all adopts the thick Q235 steel plate of 6mm to be welded, and horizontal bar and vertical muscle adopt the thick Q235 steel plate of 10mm.Wherein each section specifies as follows:
A-wind regime power section:
The wind regime power section comprises gatherer A-1, blower fan group A-2, honeycomb A-3 and the damping screen A-4 that connects successively; Blower fan group A-2 fixes 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 installed in 3m * 3m power section cylindrical shell, and it is arranged on the inflow point of wind regime power section, is used for providing evenly, stablizes and the adjustable wind of wind speed.Every typhoon machine parameter is as follows: flow 25kg/s, press to increase 50Pa, and power 11kW, the 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 are fixed by welding in the hole body of wind regime power section with vertical in central axis, it is furnished with damping screen A-4, apart from the general 1050mm of honeycomb A-3, be used for making wind more even, near natural wind; Damping screen A-4 adopts pressing plate A-5 and bolt A-6 to be vertically fixed on the 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, the device 6 of drenching with rain, rotating-table apparatus 7, insulator chain 8 and high-voltage wall bushing 9;
Present embodiment is divided into three sections with test section, from left to right be provided with first section of dust sowing apparatus 2(successively), second section of rotating-table apparatus I() and the 3rd section of rotating-table apparatus II(), its three is separately positioned on the top of cylindrical shell on the central axial direction, near the position at top (apart from the vertical range at top less than 300mm, down with);
The dust sowing apparatus 2 of present embodiment, its front view and vertical view as shown in Figure 5 and Figure 6, this device comprises that base frame 2-1, hopper 2-2, dust spill to broadcast roller 2-3, straight line units 2-4, reductor 2-5, sealing roll curtain 2-7 and be used for driving dust and spills and broadcast the servomotor 2-6 that roller 2-3 rotates; Basic framework 2-1 is welded by channel-section steel and angle steel, and it is rectangle, and on two long limit, last 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 has striden movably dust between two straight line units and spilt and broadcast roller 2-3; Dust spills to be broadcast roller 2-3 and is provided with hopper 2-2.
Dust spills and broadcasts roller 2-3 is the rigidity roller that an external diameter is 200mm, arranges several conical blind holes on it, and when putting into dust from hopper, conical blind hole is in order to drive the dust landing, and its structure as shown in Figure 7.It spills the reductor 2-5 of present embodiment with dust and broadcasts roller 2-3 and be connected, and is used for regulating dust and spills the velocity of rotation of broadcasting roller.
The sealing roll curtain 2-7 of present embodiment, its curtain rolling shaft are arranged on two broadsides of basic framework 2-1, when its roller shutter falls, can form enclosure space with cylindrical shell, place dust and disorderly fly.
The top of the cylindrical shell of the straight line units 2-4 in the dust sowing apparatus 2 by being bolted to test section is provided with movably dust and spills and broadcast roller 2-3 above it; For the dynamics that dust is sowed meets requirement of experiment, present embodiment is preferred, below guide rail, be provided with air velocity transducer 1 with a sidewall of central axis horizontal parallel, the wind speed that provides for detection of the wind regime power section, and according to testing requirements, allow blower fan group A-2 change the wind speed size.
Rotating-table apparatus I is embedded in the top of cylindrical shell by bolt, be used for making insulator chain 8 even contaminations, its upper end near the test section cylinder lateral wall is provided with spraying plant 5 and the device 6 of drenching with rain, the natural mist and the rain that are used for the simulation atmospheric environment produce moistening and cleanup action to insulator chain 8 surface dust dunghills; The top of rotating-table apparatus I is provided with the heating, drying device 4 that is fixed on test section cylindrical shell top, is used for the simulation large nature and shines upon, and the form by illumination produces heat can make insulator chain 8 dry tack frees of drenching; The below of described rotating-table apparatus I is provided with suspension described insulator chain 8 thereon;
The 3rd section with second segment structure and act on identical, rotating-table apparatus II is embedded in the top of cylindrical shell by bolt, be used for making insulator chain 8 even contaminations, its upper end near the test section cylinder lateral wall is provided with spraying plant 5 and the device 6 of drenching with rain, the natural mist and the rain that are used for the simulation atmospheric environment produce moistening and cleanup action to insulator chain 8 surface dust dunghills; The top of rotating-table apparatus II is provided with the heating, drying device 4 that is fixed on test section cylindrical shell top, is used for the simulation large nature and shines upon, and the form by illumination produces heat can make insulator chain 8 dry tack frees of drenching; The below of described rotating-table apparatus I is provided with suspension described insulator chain 8 thereon;
The rotating-table apparatus of present embodiment, its structure comprise 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 as shown in Figure 8; Head rod 7-12 overlaps with the central shaft of dead ring 7-9, and fixes by pole and dead ring 7-9; Dead ring 7-9 inboard arranges internal layer conducting ring 7-10, the outer conducting ring 7-8 of arranged outside and internal layer conducting ring 7-10 coupling; In the bottom of outer conducting ring 7-8 three grooves are set evenly, dispose the second connecting link 7-5, the 3rd connecting link 7-6 and the 4th connecting link 7-7 respectively; The 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; Be hung with insulator chain 8 on each rotating disk 7-11.Wherein, internal layer conducting ring 7-10 and outer conducting ring 7-8 are steel design; Internal layer conducting ring 7-10 and outer conducting ring 7-8 amalgamation form ring-type, wrap insulate ring 7-9, and outer conducting ring 7-8 adopts conduction contact clip 7-2 to be connected with ground wire, and every insulator string string adopts conduction contact clip 7-4 to be connected with outer conducting ring 7-8 by connecting line 7-3.The head rod 7-12 of present embodiment connects first shaft of motor by gear, revolves round the sun, and the second connecting link 7-5, the 3rd connecting link 7-6 are connected second shaft of motor by gear respectively with the 4th connecting link 7-7, carry out rotation respectively.
Side at cylindrical shell is provided with high-voltage wall bushing,, it passes the cylindrical shell of test section, and outdoor end connects transformer, and indoor end connects insulator chain 8, and being used for provides high-voltage power supply to insulator chain 8, simulates its electriferous state in electrical network.
Between first section and second section, present embodiment arranges dust concentration sampling thief 3, it is arranged between straight line units 2-4 and the rotating-table apparatus I, is used for monitoring dust concentration automatically, gives the dust sowing apparatus according to the demand feedback of testpieces, adjusts the concentration of dust.
C-air channel diffusion dedusting section:
The cylinder top of air channel diffusion dedusting section is provided with one and arranges the shower nozzle of drenching with rain, and makes the dust landing by the device of drenching with rain in the C section, to avoid contaminated environment.
Corresponding, present embodiment proposes a kind of method of operating of artificial contamination characteristic test system, and the sequential chart of its operation control comprises the steps: as shown in Figure 9
(1) insulator chain 8 of different profiles is hung on the rotating-table apparatus below, and introduces power supplys by high-voltage wall bushing 9, give 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 startup blower fan group A-2(wind speed is 1.0～10.0m/s); Air velocity transducer 1 is used for the measurement of wind speed, the natural wind that stands in atmospheric environment with analog insulation;
(3) start dust sowing apparatus 2, send out dust, with the pollutant in the simulation atmospheric environment; In process of the test, monitor dust concentrations by dust concentration sampling thief 3, and adjust the flow (0～0.35m of dust according to the test demand
3/ min), make dust drop on the surface of insulator testpieces uniformly;
(4) start rotating-table apparatus 7, drive insulator chain 8 along the axis rotation (one time 180 degree rotation was finished at every interval in 5 minutes) of rotating-table apparatus, but make all contaminations of insulator surface all directions, inconsistent with four seasons wind direction in simulating nature circle; When the insulator surface dust deposit reaches testing requirements, stop dust and send out, stop blowing, stop the rotating disk rotation;
(5) starting spraying plant 5(spray amount is 0.5kg/m3/h, and mist particle diameter is less than 100 μ m), mist or dew with in the simulation atmospheric environment make dust bonding in the surface of insulator;
(6) start once about 20min of heating, drying device 4(), make the dust dry solidification in insulator surface;
(7) starting the device 6(rate of rainall scope of drenching with rain is 1.5～15mm/h), and the filthy part that produces of insulating surface is cleaned, and starts drying system again and makes the dust drying;
(8) return step (2) and circulate again, similar with its contamination situation in atmospheric environment until the filthy deposition of insulator surface;
(9) close high-voltage power supply, insulator is taken out in artificial contamination laboratory, insulator surface is carried out filth gather and measure, contrast dissimilar and profile insulator contamination property difference.
By above-mentioned steps, realized simulating by test platform the contamination situation of insulator on the real transmission line of electricity, avoided drawbacks such as manual operation.
Should be noted that at last: 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 the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. the method for operating of an artificial contamination characteristic test system is characterized in that, described method comprises the steps:
(1) insulator chain with different profiles hangs on the rotating-table apparatus below, and introduces power supply by high-voltage wall bushing, applies required voltage to insulator chain;
(2) the wind regime power section starts the blower fan group;
(3) start the dust sowing apparatus, send out dust;
(4) start rotating-table apparatus, drive insulator chain along the axis rotation of rotating-table apparatus, when the insulator surface dust deposit reaches testing requirements, stop dust and send out, stop blowing, stop the rotating disk rotation;
(5) start spraying plant, make dust bonding in the surface of insulator;
(6) start the heating, drying device, make the dust dry solidification in insulator surface;
(7) start the device of drenching with rain, the filthy part that produces of insulating surface is cleaned, start drying system again and make the dust drying;
(8) return step (2) and circulate again, similar with its contamination situation in atmospheric environment until the filthy deposition of insulator surface;
(9) close high-voltage power supply, insulator is taken out in artificial contamination laboratory, insulator surface is carried out filth gather and measure, contrast dissimilar and profile insulator contamination property difference.
2. the method for claim 1 is characterized in that, in the step (3), adjust dust and spill the position of broadcasting device on guide rail, by dust concentration sampling thief monitoring dust concentration, and adjust the flow of dust according to the test demand, make dust drop on the surface of insulator testpieces uniformly.
3. an artificial contamination characteristic test system is characterized in that, described pilot system comprises wind regime power section, test section and the air channel diffusion dedusting section that is 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 simulation electrical network;
Described air channel diffusion dedusting section is used for collecting dust and ducting outlet being provided;
Described wind regime power section is provided with base, is used for supporting described pilot system.
4. artificial contamination characteristic test system as claimed in claim 3 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.
5. artificial contamination characteristic test system as claimed in claim 3 is characterized in that, described wind regime power section comprises gatherer, blower fan group, honeycomb and the damping screen that sets 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 is fixed by welding in the hole body of described wind regime power section with vertical in central axis, and it is furnished with damping screen, is used for adjusting wind speed; Described damping screen adopts pressing plate and bolt to be vertically fixed in the body of described hole.
6. artificial contamination characteristic test system as claimed in claim 3 is characterized in that described test section comprises the dust sowing apparatus, heating, drying device, spraying plant, the 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 on the central axial direction;
Described guide rail is provided with movably 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 that is 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 that is 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;
One side of described cylindrical shell is provided with high-voltage wall bushing, and it passes the cylindrical shell of test section, and outdoor end connects transformer, and indoor end connects insulator chain, is used for giving described insulator chain that high-voltage power supply is provided.
7. artificial contamination characteristic test system as claimed in claim 6 is characterized in that described test section comprises the dust concentration sampling thief; Described dust concentration sampling thief is arranged between described guide rail and the rotating-table apparatus I.
8. artificial contamination characteristic test system as claimed in claim 3 is characterized in that, the cylinder top of described air channel diffusion dedusting section is provided with one and arranges the shower nozzle of drenching with rain.
Priority Applications (1)
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| CN109596957A (en) * | 2018-12-13 | 2019-04-09 | 清华大学深圳研究生院 | A kind of method and device for simulating coastal insulator rapid contamination accumulation |
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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 |