CN101126792A - Large scale multifunctional artificial climate room system for electrical test - Google Patents
Large scale multifunctional artificial climate room system for electrical test Download PDFInfo
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Abstract
The utility model relates to a large-scale multifunctional phytotron system for electrical tests, in particular to an artificial simulation test system with external insulation power transmission and transformation equipments in complex atmospheric environment, belonging to the high voltage and insulation technical field. The system comprises a phytotron body (1), a wall bushing (2) for leading-in the power supply, a wind speed simulation apparatus (3), a refrigeration system (4), an evacuation system (5), a steam fog system (6), a water treatment system (7), an ice coating, fog spraying and raining system (8), a hook and rotating apparatus (9) and a test environment measurement system (10). The large-scale multifunctional phytotron system of the utility model enables to simulate altitude of 232 to 7000m, atmospheric pressure of 98.6 to30KPa, temperature of -45 DEG C to 70 DEG C, wind speed of 0 to 12m/s and water electrical conductivity of 10 to 5000MuS/cm, and enables simulation and regulation of complex meteorological environment such as high altitude, ice coating, fog spraying, raining and other environments.
Description
Technical field
The invention belongs to the high voltage and insulation technology field, particularly relate to manual simulation's pilot system of power transmission and transformation equipment outer insulation under the complicated atmospheric environment.
Background technology
Operating electric system external insulation faces the influence of IFR conditions such as high height above sea level, icing (snow), acid rain (acid mist), filth, the safety of serious threat electric system, reliability service inevitably.Field operation experiences shows: high height above sea level and icing (comprising icing kind, icing phase, ice-melt phase, icing water conductivity, icing degree), filthy meteorological conditions such as (concentration, acid rain, the acid mists that comprise mist) all have a strong impact on electric system external insulation electric property.
Manual simulation's pilot system of domestic and international complicated atmospheric environment is not comprehensive, as patent of invention 200410061340.1 disclosed " multifunctional environmental simulator ", can simulate multiple environmental baselines such as carbonization, acid rain, drying and watering cycle, cold and hot variation, freeze thawing circulation, acid-base salt solution erosion and marosion, be mainly used in the construction material Study on durability; Patent of invention 95101369.6 disclosed " artificial climate combined environment testing machine and test method " for another example, can analog temperature, rainfall, complex environments such as illumination such as mist, condensation, xenon fall, be mainly used in the climatic environment experimental study of material, protective device, equipment.Above-mentioned two kinds of simulated environment devices, all do not consider the sea level elevation problem, therefore can only simulate the sea level elevation situation of device position, and because therefore non-transformer device and electrical source importing device can't be used for the electrical test of the electric system external insulation under the complex environment.
Up to the present, the phytotron of simulating single environments such as high height above sea level, icing, filth has varied, domestic and international existing test unit is mainly developed at single environment condition (as the filthy or high height above sea level of icing), and its function can not satisfy the actual needs of electric system external insulation electrical test research far away.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, provide a kind of and can simulate high height above sea level and icing (comprises the icing kind, the icing phase, the ice-melt phase, the icing water conductivity, the icing degree), filthy (the concentration that comprises mist, acid rain, acid mist) large scale multifunctional artificial climate room system of complicated environmental condition such as, complex environment under the accurate simulating natural condition of this artificial climate room system energy, and can under simulated conditions, carry out the attribute testing of electric external insulation, obtain can with UHV (ultra-high voltage), the characteristic rule that the practical operation situation of extra-high voltage electric transmission and transformation engineering is similar, thereby the electrical specification rule of external insulation under the announcement complex environment, be UHV (ultra-high voltage), the demonstration test of extra-high voltage electric transmission and transformation engineering external insulation design and running provides experimental basis and test basis, improve the operational reliability of electric system, reduce and build, operating cost and maintenance cost.
The present invention can come to be realized by the following technical programs: the large scale multifunctional artificial climate room system that is used for electrical test, it is characterized in that, this system comprises phytotron main body (1), power supply is introduced wall bushing (2), wind analog device (3), refrigeration system (4), evacuation system (5), barber system (6), water treatment system (7), icing, spraying, the system of drenching with rain (8), suspension hook and whirligig (9), experimental enviroment measuring system (10) constitutes, and wherein: described phytotron main body (1) also comprises air inlet duct (11), air-return duct (12), gateway (54), subplate bearer (58), thermofin (59); Power supply introduces that wall bushing (2) also comprises measurement terminal (13), suspension ring (14), gets oily device (15), power supply is introduced electrode (55), insulated porcelain sleeve (56), grading ring (57); Experimental enviroment control and measurement mechanism (10) also comprise temperature sensor (50), humidity sensor (51), data line (52), PTU200 type digital measuring instrument (53); The simulation regulation and control that wind analog device (3) is constituted and linked to each other and afterwards realize wind speed with climatic chamber (1) by D.C. regulated power supply (16), speed setting controller (17), speed adjustable fan (18); Refrigerating plant (4) is by cooling tower (19), water inlet pipe (20), rising pipe (21), back up pad (22), gas circulation device (23), evaporator (24), liquid back pipe (25), and refrigeration unit (26) constitutes and the regulation and control of the back realization analog temperature that links to each other with climatic chamber (1); After linking to each other with climatic chamber (1), refrigerating plant (4), water disposal facility (7), icing, the device (8) of spraying, drench with rain realize the simulation regulation and control of icing (snow); The simulation regulation and control that evacuator (5) is constituted and linked to each other and afterwards realize air pressure, atmospheric density with climatic chamber (1) by control box (27), proportional governor (28), electronic high vacuum dish valve (29), driving motor (30), water ring pump (31), wastewater disposal basin (32), Piping Centrifugal Pumps (33); The simulation regulation and control that barber device (6) is constituted and linked to each other and afterwards realize mist with climatic chamber (1) by nozzle (34), valve (35), boiler (36); The simulation regulation and control that water disposal facility (7) is constituted and linked to each other and afterwards realize water conductivity, pH value with climatic chamber (1) by tap water (37), water purifier (38), water tank (39), supercharge pump (40); Spray, drench with rain, icing device (8) is made of water tank (41), water pump (42), water pipe (43), air compressor (44), controllor for step-by-step motor (45), exhaust blower gauge tap (46), barostat (47), hydrostate (48), shower row (49) and the back that links to each other with climatic chamber (1) realizes that the simulation of rainfall amount, acid rain, raindrop particle regulates and control.
Power supply is introduced wall bushing (2) and can be born interchange 500kV, direct current ± 600kV, impact 2400kV; Sea level elevation 232～7000m, air pressure 98.6～30kPa, temperature-45 ℃～70 ℃, wind speed 0～12m/s, water conductivity 10～5000 μ S/cm can simulate in the climatic chamber system, realize the simulation regulation and control to high height above sea level, icing, complicated meteorology environment such as spray, drench with rain.The large scale multifunctional artificial climate room system that is used for electrical test provided by the invention, compare with existing correlation technique, have following remarkable advantage: can realize exchanging 500kV, direct current ± 600kV, impact the introducing of 2400kV power supply and carry out the external insulation electrical test of UHV (ultra-high voltage) and extra-high voltage; Can simulate high height above sea level atmospheric environment condition and icing environment (comprising various icing kinds, icing phase, ice-melt phase, icing water conductivity, icing degree), filthy environment single environment conditioned disjunctions such as (concentration, acid rain, the acid mists that comprise mist) combination environmental baseline, be easy to apply.
Description of drawings
Fig. 1 is a large scale multifunctional artificial climate room main body synoptic diagram, and 11 among the figure is air inlet duct, and 12 is air-return duct, and 54 is gateway, and 58 is subplate bearer, and 59 is thermofin.
Fig. 2 is a structural representation through walls, and 13 among the figure is measurement terminal, and 14 is suspension ring, and 15 for getting oily device, and 55 are power supply introducing electrode, and 56 is insulated porcelain sleeve, and 57 is grading ring.
Fig. 3 is the wind analog device synoptic diagram, and 16 among the figure is D.C. regulated power supply, and 17 is speed setting controller, and 18 is speed adjustable fan
Fig. 4 is the refrigerating plant structural representation, and 19 among the figure is cooling tower, and 20 is water inlet pipe, and 21 is rising pipe, and 22 is back up pad, and 23 is the gas circulation device, and 24 is evaporator, and 25 is liquid back pipe, and 26 is refrigeration unit.
Fig. 5 is the evacuator synoptic diagram, and 27 among the figure is control box, and 28 is proportional governor, and 29 is electronic high vacuum dish valve, and 30 is driving motor, and 31 is water ring pump, and 32 is wastewater disposal basin, and 33 is Piping Centrifugal Pumps.
Fig. 6 is a barber device synoptic diagram, and 34 among the figure is nozzle, and 35 is valve, and 36 is steam boiler.
Fig. 7 is the water disposal facility synoptic diagram, and 37 among the figure is tap water, and 38 is water purifier, and 39 is water tank, and 40 is supercharge pump.
Fig. 8 is an icing, the device synoptic diagram of spraying, drench with rain, and 41 among the figure is water tank, and 42 is water pump, and 43 is water pipe, 44 is air compressor, and 45 is controllor for step-by-step motor, and 46 is the exhaust blower gauge tap, 47 is barostat, and 48 is hydrostate, and 49 are shower row.
Fig. 9 is experimental enviroment control and measurement mechanism synoptic diagram, and 50 among the figure is temperature sensor, and 51 is humidity sensor, and 52 is data line, and 53 is PTU200 type digital measuring instrument.
Figure 10 is the large scale multifunctional artificial climate room system synoptic diagram that is used for electrical test, 1 among the figure be the phytotron main body, 2 for power supply introduce wall bushing, 3 for wind analog device, 4 for refrigeration system, 5 for evacuation system, 6 for the barber system, 7 for water treatment system, 8 for icing, the system that sprays, drenches with rain, 9 for suspension hook be the experimental enviroment measuring system with whirligig, 10.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Phytotron main body (1) can adopt joist steel skeleton, normal carbon steel plate with upper top be welded into oval ball shape, lower bottom part adopts joist steel skeleton, normal carbon steel plate to be welded into the right cylinder of writing board shape, the external and internal pressure difference of phytotron main body (1) is about 70kPa, the cylindrical tube of phytotron main body (1), its longitudinal surface can be welded by the joist steel of the 120mm more than 20, and its athwartship plane can be welded by the joist steel of the 120mm more than 8; It is the circle of 970mm that the top of the oval ball shape of phytotron main body (1) can be welded into a radius by the joist steel of 120mm, the circle that radius is 2345mm that the centre of the oval ball shape of phytotron main body (1) has a circle to be welded by the 120mm joist steel, its axis can weld and be no less than 20 120mm joist steel; The bottom of phytotron main body (1) is a planar structure, and its inboard joist steel is 120mm, adopts the mode of 400mm * 400mm to arrange, the joist steel in its outside is 240mm, adopts the mode of 800mm * 800mm to arrange; The cylindrical tube of phytotron main body (1) and oval ball shape top skeleton structure are all at outside welding sealing and force-bearing steel plate, 10mm normal carbon steel plate is adopted at the cylindrical tube of phytotron main body (1) and oval ball shape top, and the 12mm carbon steel plate is adopted in the bottom of phytotron main body (1); The cylindrical tube middle part of phytotron main body (1) has a circular port, and its openings of sizes is about 340mm, is used to install wall bushing (2); The top of the cylindrical tube bottom of phytotron main body (1) has a circle observation hole, and its openings of sizes is about 250mm, is used for the inner simulation test of Direct observation phytotron main body (1); The cylindrical tube bottom of phytotron main body (1) be provided with one can free folding door (54), it highly is 1.8m, width is 1.4m; The cylindrical tube upper and lower of phytotron main body (1) is respectively equipped with air inlet duct (11) mouth and air-return duct (12) mouth, is used for refrigeration system (4) to phytotron main body (1) air-supply and return air, and its openings of sizes is 900mm * 760mm's.
Wall bushing (2) can adopt the above high-voltage wall bushing of 330kV, and its 30min. power-frequency withstand voltage is not less than 650kV.Indoor insulation distance is no less than 2.765m, and creepage ratio is apart from being not less than 25mm/kV.
Wind analog device (3) can be made of the speed-regulating fan (18) that is no less than 12.
Refrigeration system (4) can select for use the 61M1-2000-FSMN200 type refrigeration machine more than 2 to form, and refrigeration system (4) can be by the refrigeration unit associated working more than 2 or 2, but also the separate unit refrigeration unit works alone.Force to send in the phytotron main body (1) by centrifugal blower through the cooled cold wind of refrigeration system (4) from air inlet duct (11), be used to reduce the environment temperature of phytotron, and then get back to refrigeration system (4) from air-return duct (12), realize whole wind circularly cooling.
Evacuation system (5) but discharge capacity is not less than 720m
3The water ring pump of/h (200L/s) is as vacuum pump.Vacuum pump adopts the degree of regulation of backflow PID regulative mode realization ± 0.1kPa/h.
Barber system (6) can adopt evaporation capacity to be not less than to the steam boiler of 1.5t/h produces barber, and through nozzle (34) the worker's climatic chamber of making a gift to someone, the conveying of steam can realize 0～0.5kg/ (h.m by valve (35) to its barber by jet chimney
3) adjustable continuously in the scope.
Water treatment system (7) can adopt the water purification amount to be not less than the anti-penetration water purifier of 450L/h, and the conductivity of its generation is adjustable in 5～5000 μ s/cm scopes.
Spray, drench with rain, icing system (8) is according to the correlation test standard of IEC68-2, GB775.2-2003, the BSPT1/4J series nozzle of selecting for use Si Purui Spraying System Co., Ltd. to produce, the import and export diameter of nozzle are respectively 4.0,1.0mm.The arrangement of nozzle adopts two row to arrange, the distance between two row is about 0.43m, at least 7 nozzles of every row, and the distance between the nozzle is about 0.56m.Utilize that supercharge pump (22), air compressor (23) adjust in 10～500 mu m ranges that the droplet grain size realizes spraying, icing, the needs of drenching with rain.
Suspension hook and whirligig (9) adopt CD1-1-12A5 type electric block, and carry out oscilaltion according to the requirement of simulation test, and the rotational speed of electric block can be adjustable at 1～3 commentaries on classics/min..
Experimental enviroment measurement mechanism (10) comprises the measurement of air pressure, temperature, humidity, and wherein: air pressure can adopt pointer accurate vacuum meter to measure, and its measurement range is 0～0.09MPa, and measuring accuracy is 0.0005MPa; 6 groups of sensors are adopted in the measurement of temperature, humidity, at least 2 of every group of sensors, every group of sensor is distributed in the upper, middle and lower different parts of phytotron respectively, and temperature, the humidity data that detects transferred on the display panel of PTU200 type digital measuring instrument by cable, and be analyzed, and utilize the recyclegas of wind analog device (3) to adjust the consistance of the temperature at inner each position of phytotron main body (1), humidity, air pressure with the measurement result of pointer rain glass, temperature sensor.
Claims (1)
1. large scale multifunctional artificial climate room system that is used for electrical test, it is characterized in that, this system comprises phytotron main body (1), power supply is introduced wall bushing (2), wind analog device (3), refrigeration system (4), evacuation system (5), barber system (6), water treatment system (7), icing, spraying, the system of drenching with rain (8), suspension hook and whirligig (9), experimental enviroment measuring system (10), wherein: described phytotron main body (1) also comprises air inlet duct (11), air-return duct (12), gateway (54), subplate bearer (58), thermofin (59); Power supply introduces that wall bushing (2) also comprises measurement terminal (13), suspension ring (14), gets oily device (15), power supply is introduced electrode (55), insulated porcelain sleeve (56), grading ring (57); Experimental enviroment control and measurement mechanism (10) also comprise temperature sensor (50), humidity sensor (51), data line (52), PTU200 type digital measuring instrument (53); Wind analog device (3) constitutes the back by D.C. regulated power supply (16), speed setting controller (17), speed adjustable fan (18) and links to each other with climatic chamber (1); Refrigerating plant (4) is by cooling tower (19), water inlet pipe (20), rising pipe (21), back up pad (22), gas circulation device (23), evaporator (24), liquid back pipe (25), and refrigeration unit (26) constitutes the back and links to each other with climatic chamber (1); Refrigerating plant (4), water disposal facility (7), icing, the device (8) of spraying, drench with rain link to each other with climatic chamber (1); Evacuator (5) constitutes the back by control box (27), proportional governor (28), electronic high vacuum dish valve (29), driving motor (30), water ring pump (31), wastewater disposal basin (32), Piping Centrifugal Pumps (33) and links to each other with climatic chamber (1); Barber device (6) constitutes the back by nozzle (34), valve (35), boiler (36) and links to each other with climatic chamber (1); Water disposal facility (7) constitutes the back by tap water (37), water purifier (38), water tank (39), supercharge pump (40) and links to each other with climatic chamber (1); Spray, drench with rain, icing device (8) constitutes the back by water tank (41), water pump (42), water pipe (43), air compressor (44), controllor for step-by-step motor (45), exhaust blower gauge tap (46), barostat (47), hydrostate (48), shower row (49) and links to each other with climatic chamber (1).
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