CN101382565A - Extra-high voltage corona cage for researching corona characteristic of conductor - Google Patents
Extra-high voltage corona cage for researching corona characteristic of conductor Download PDFInfo
- Publication number
- CN101382565A CN101382565A CNA2008102247022A CN200810224702A CN101382565A CN 101382565 A CN101382565 A CN 101382565A CN A2008102247022 A CNA2008102247022 A CN A2008102247022A CN 200810224702 A CN200810224702 A CN 200810224702A CN 101382565 A CN101382565 A CN 101382565A
- Authority
- CN
- China
- Prior art keywords
- corona
- cage
- corona cage
- extra
- high voltage
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 title description 3
- 238000005259 measurement Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 239000003595 mist Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 238000007592 spray painting technique Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004995 multiple fission Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an extra-high-voltage corona cage for researching the corona characteristics of conducting wires, which is characterized by comprising a cage body which is provided with four sealed surfaces, two opened ends and an cavity internally and formed by steel frames, wherein, the steel frames on the four sealed surfaces of the cage body is covered and provide with a metal gauze, a plurality of insulators are arranged between the metal gauze and the steel frame which are separated in an insulation way; an intermediate measurement net which is movably arranged in the inner cavity of the corona cage in a suspending way and parallel to the two side walls of the corona cage and separates the inner cavity of the corona cage into two chambers; and an imitational rainfall and fog-fall system which is arranged on the corona cage. The corona cage not only can ensure the accuracy of the test data for researching the corona characteristics of the conducting wires, but also can facilitate the assembly and disassembly of the extra-high-voltage corona cage of the intermediate gauze, and simultaneously, can imitate the rainfall and fog-fall environment in the corona cage.
Description
Technical field
The present invention relates to a kind of facility of studying the lead corona characteristic, be meant a kind of extra-high voltage corona cage of studying the lead corona characteristic especially.
Background technology
General extra-high voltage corona cage is a critical facility in the extra-high voltage direct-current test base, is mainly used in the research of multiple fission conductor being carried out corona characteristic, comprise 4 divisions, 6 divisions, 8 division isotomy diameters at 1m with interior lead.Require the DC corona cage can carry out the test of one pole corona characteristic and bipolar corona characteristic, during the test of one pole corona characteristic, need in the middle of corona cage, set up wire netting (measurements net in also claiming) corona cage is divided into two parts; When bipolar corona characteristic is tested, then need wire netting is disassembled.This just requires both detachable again the accuracy that can the warranty test data of the wire netting set up.Existing wire netting has soft metal net and fixing metal net all can't satisfy user demand, because there is following shortcoming respectively in these two kinds of wire nettings: soft metal Netease is subjected to wind effect, makes test figure inaccurate; The fixing metal net can conflict with the lead that is hanging when dismounting, does not reach requirement for convenience detach.In addition, simulated environment is big characteristics of corona cage, and wherein mist attitude environment is the important environment of DC corona characteristic research, but at present in the world corona cage all be to place open air, prior art not to have in corona cage to arrange the precedent of falling the mist system.
Summary of the invention
At the problems referred to above, fundamental purpose of the present invention is to provide a kind of accuracy that both can guarantee to study the test figure of lead corona characteristic, can be easy for installation and removal the again extra-high voltage corona cage of intermetallic metal net can be fallen the mist environment by simulated rainfall simultaneously in corona cage.
For achieving the above object, the present invention takes following technical scheme: a kind of extra-high voltage corona cage of studying the lead corona characteristic, it is characterized in that comprising: the cage body that cavity is arranged in the four sides sealing both ends open that constitutes by steelframe, be covered with wire netting on the four sides steelframe of described cage body sealing, be provided with a plurality of insulators between described wire netting and described steelframe, described wire netting and the insulation of described steelframe are separated; Measurements net in one is hung in the inner chamber of described corona cage versatilely, and parallel with the two side of described corona cage, and the inner chamber of described corona cage is divided into two chambers; The mist system falls in one simulated rainfall, is arranged on the described corona cage.
Described middle measurements Netcom crosses Hand operating hoist and is connected with described corona cage.
The measurements net is connected to form by a plurality of little nets in described, and each described little net comprises a steel frame, and solid welding has wire netting on each described steel frame, flexibly connects as a whole between each described steel frame.
The measurements net is connected to form by a plurality of little nets in described, and each described little net comprises a steel frame, and solid welding has wire netting on each described steel frame, flexibly connects as a whole between each described steel frame.
Described simulated rainfall falls the mist system and comprises the shower nozzle that is arranged on described corona cage top, the pipeline that connects described shower nozzle and water source, between described pipeline and described shower nozzle, be provided with butterfly valve, ball valve and booster water pump, described booster water pump connects a frequency converter, and described frequency converter is electrically connected with an electric cabinet again.
Described electric cabinet is Programmable Logic Controller PLC, wherein is preset with control program and database.
The shower nozzle that is arranged on described corona cage top comprise rainfall with shower nozzle and fall mist with spray first two.
The described mist that falls adopts the model that has range with shower nozzle, evenly arranges along described corona cage Width is placed in the middle, arranges for dislocation between row and the adjacent row along described corona cage length direction.
The present invention is owing to take above technical scheme, and it has the following advantages: 1, the present invention realizes being easy for installation and removal the intermetallic metal net, also can not conflict with the lead that is hanging when dismounting and installation.2, the present invention realizes the one pole and the bipolar corona characteristic trystate of corona cage by measurements net in folding.3, the present invention is by arranging rainmaking and falling the spray painting head above corona cage, the tie water control system is with the rainfall of relevant auxiliary equipment simulating nature and fall the mist environment, and the rainfall amount of simulation rainmaking environment is adjustable, rainfall covers the scope of light rain to heavy rain, falling the mist system can make lead still be surrounded by mist under the wind speed of 1m/s, the intermetallic metal net neither can be subjected to the influence of wind, realizes that test figure is accurate.
Description of drawings
Fig. 1 is a schematic perspective view of the present invention
Fig. 2 A is vertical cut-away view of the present invention
Fig. 2 B is a transverse cross-sectional view of the present invention
Fig. 3 is a middle measurements net synoptic diagram of the present invention
Fig. 4 is a measurements net synoptic diagram during Hand operating hoist of the present invention connects
Fig. 5 is that the mist system schematic falls in rainfall of the present invention
Embodiment
In order to describe structure of the present invention, characteristics and effect in detail, existing following preferred embodiment of act and conjunction with figs. are described as follows.
Shown in Fig. 1, Fig. 2 A, Fig. 2 B, corona cage comprises the cage body that cavity is arranged in the four sides sealing both ends open that is made of steelframe 10, is tried the two ends turnover corona cage of lead from opening wide.Be covered with wire netting 20 on the steelframe 10 at the four sides of cage body sealing, 10 of wire netting 20 and steelframes are provided with a plurality of insulators 40, wire netting 20 and steelframe 10 are separated, to guarantee the insulation between wire netting 20 and the steelframe 10.In the inner chamber of corona cage, also be hung with the middle measurements net 30 parallel, the inner chamber of corona cage is divided into two chambers with the two side.
As shown in Figure 3, middle measurements net 30 is connected to form by a plurality of little nets 31, and each little net 31 comprises a steel frame 32, solid welding wire netting 33 on each steel frame 32, flexibly connect as a wholely between each steel frame 32, measurements net 30 can be dismantled or folding flexibly in making.Connection between each steel frame 32 can adopt common hook mode to link together.Connection between each steel frame 32 also can be adopted folding connected mode, and measurements net 30 can be folded folding and unfolding in making.
Also for flexibly connecting, middle measurements net 30 is provided with insulator by the bolt spiral shell is solid between middle measurements net 30 and steelframe 10 on steelframe 10, make insulation between middle measurements net 30 and the steelframe 10 between middle measurements net 30 and the steelframe 10.As shown in Figure 4, be provided with some Hand operating hoists 50 at the top of steelframe 10, Hand operating hoist 50 comprises wire rope 52 and the hook 51 that is articulated on the wire rope 52, hook 51 is hooked on the steel frame 32 of middle measurements net 30, thus, can utilize Hand operating hoist 50 like a cork middle measurements net 30 to be promoted or puts down, measurements net 30 removes and installs in the convenience.Hand operating hoist 50 is the common equipments in the association area, does not repeat them here.
When utilizing in Hand operating hoist 50 dismounting measurements net 30, hook 51 on the wire rope 52 of Hand operating hoist 50 is hooked on the steel frame 31 of middle measurements net 30, shake the handle (not shown) of Hand operating hoist 50 again, middle measurements net 30 wire nettings that suspending in midair are lifted slightly, make not gravitate of the bolt that compressed by the weight of middle measurements net 30, can manually like a cork bolt be turned on, measurements net 30 removes and installs in being convenient to.Decontrol wire rope 52 with the middle measurements net 30 that steelframe 10 is separated by the handle that shakes Hand operating hoist 50, measurements net 30 is put down gradually in making, just the little net 31 of measurements net 30 foots in can the artificial unloading, pulling down a part continues to transferring, until middle measurements net 30 is all pulled down again.
Also be provided with simulated rainfall in the corona cage and fall mist system 60, as shown in Figure 5, it comprises two pipelines 61 that are set in parallel in the corona cage top, pipeline 61 be positioned at the lead that passes the corona cage inner chamber directly over.On pipeline 61, be arranged at intervals with some shower nozzles 62 equably, the end that two pipelines 61 connect water sources descends along two sidewalls of corona cage respectively, be connected with two butterfly valves 66 on every pipeline 61, between two butterfly valves 66, be connected with two ball valves 67, between two ball valves 67, be provided with booster water pump 64, booster water pump 64 connects a frequency converter 65, one electric cabinets 63 respectively and is electrically connected with two frequency converters 65, and the water source is connected with pipeline 61 by outermost butterfly valve 66 on the pipeline 61.The water yield in the pipeline 61 is by corresponding booster water pump 64 that is provided with on each pipeline 61 and frequency converter 65 controls, by electric cabinet 3 and booster water pump 4 hydraulic pressure to pipeline 61 is arranged in the pipeline at corona cage top, carries out artificially-simulated rainfall, falls mist by shower nozzle 62 again.The shower nozzle 62 that is arranged on the pipeline 61 comprises rainfall usefulness and falls two kinds of shower nozzles that mist is used, to satisfy rainfall and the different requirements of falling mist.Electric cabinet 63, booster water pump 64, frequency converter 65, butterfly valve 66 and ball valve 67 that simulated rainfall falls in the mist system 60 constitute a high pressure pumping plant unit.
When the rainfall system works of mist system 60 falls in simulated rainfall, shower nozzle 62 is worked by rainfall shower nozzle wherein, outside for the water injection water tank that comes, water in the water tank is again by changing into the water with certain pressure behind the booster water pump 64, this water is delivered to the online portion of middle measurements of corona net again through rainfall pipeline 61 then, the shower nozzle that is used for rainfall 62 by even layout becomes raindrop and hangs down, rainfall can carry out continuity and regulates that to reach simulation big by carrying out variable frequency adjustment or different combination with frequency converter 65 that booster water pump 64 connects, in, the various operating modes of light rain, degree of uniformity along the rainfall of corona cage inside conductor direction can equate with the flow of realizing each shower nozzle by butterfly valve and non-return valve control simultaneously, opens water draw-off when stopping rainfall automatically and lays down water unnecessary in the pipeline 61.
Simulated rainfall fall mist system 60 the mist system works is fallen and the time, shower nozzle 62 is by wherein the spray painting head work of falling, every road is respectively by the corresponding control in 3 high pressure pumping plant unit.Every road falls mist pipeline 61 and is provided with 4 rows and is used to fall the shower nozzle 62 of mist, and two-way totally 8 rows evenly arranges along the corona cage Width is placed in the middle, and is 500mm along the row of corona cage Width and adjacent row's spacing; Evenly arrange 60 shower nozzles 62 that are used to fall mist along the every row of corona cage length direction, the shower nozzle 62 dislocation layouts of mist fall in being used between row and the adjacent row on this direction.Wherein, the shower nozzle 62 that is used to fall mist adopts the model that has range, its water yield is P=7Mpa, flow is 3kg/h/, the shower nozzle 62 that is used to fall mist simultaneously can vertically be installed when mounted, also can have constant slope, as long as can cover lead several meters width range on every side, these measures will be guaranteed still can cover mist attitude environment around certain wind speed lower wire.
It has been proven technique in the field at its place that mist system 60 falls in simulated rainfall, and the present invention is that this technology is applied in this area at this.
Preferred forms of the present invention is described in detail with reference to the attached drawings out, and those skilled in the art can make amendment and conversion according to the technical program, and such modification and conversion all should be included within the scope of patent protection of the present invention.
Claims (8)
1, a kind of extra-high voltage corona cage of studying the lead corona characteristic is characterized in that comprising:
The cage body of cavity is arranged in the one four sides sealing both ends open that constitutes by steelframe, be covered with wire netting on the four sides steelframe of described cage body sealing, be provided with a plurality of insulators between described wire netting and described steelframe, with the separation of insulating of described wire netting and described steelframe;
Measurements net in one is hung in the inner chamber of described corona cage versatilely, and parallel with the two side of described corona cage, and the inner chamber of described corona cage is divided into two chambers;
The mist system falls in one simulated rainfall, is arranged on the described corona cage.
2, a kind of according to claim 1 extra-high voltage corona cage of studying the lead corona characteristic is characterized in that: described middle measurements Netcom crosses Hand operating hoist and is connected with described corona cage.
3, a kind of according to claim 1 extra-high voltage corona cage of studying the lead corona characteristic, it is characterized in that: the measurements net is connected to form by a plurality of little nets in described, each described little net comprises a steel frame, solid welding has wire netting on each described steel frame, flexibly connects as a whole between each described steel frame.
4, as a kind of extra-high voltage corona cage of studying the lead corona characteristic as described in the claim 2, it is characterized in that: the measurements net is connected to form by a plurality of little nets in described, each described little net comprises a steel frame, solid welding has wire netting on each described steel frame, flexibly connects as a whole between each described steel frame.
5, as a kind of extra-high voltage corona cage of studying the lead corona characteristic as described in claim 1 or 2 or 3 or 4, it is characterized in that: described simulated rainfall falls the mist system and comprises the shower nozzle that is arranged on described corona cage top, the pipeline that connects described shower nozzle and water source, between described pipeline and described shower nozzle, be provided with butterfly valve, ball valve and booster water pump, described booster water pump connects a frequency converter, and described frequency converter is electrically connected with an electric cabinet again.
6, as a kind of extra-high voltage corona cage of studying the lead corona characteristic as described in the claim 5, it is characterized in that: described electric cabinet is Programmable Logic Controller PLC, wherein is preset with control program and database.
7, as a kind of extra-high voltage corona cage of studying the lead corona characteristic as described in the claim 5, it is characterized in that: the shower nozzle that is arranged on described corona cage top comprise rainfall with shower nozzle and fall mist with spray first two.
8, as a kind of extra-high voltage corona cage of studying the lead corona characteristic as described in the claim 7, it is characterized in that: the described mist that falls adopts the model that has range with shower nozzle, evenly arrange along described corona cage Width is placed in the middle, arrange for dislocation between row and the adjacent row along described corona cage length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102247022A CN101382565B (en) | 2008-10-24 | 2008-10-24 | Extra-high voltage corona cage for researching corona characteristic of conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102247022A CN101382565B (en) | 2008-10-24 | 2008-10-24 | Extra-high voltage corona cage for researching corona characteristic of conductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101382565A true CN101382565A (en) | 2009-03-11 |
| CN101382565B CN101382565B (en) | 2010-11-17 |
Family
ID=40462512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102247022A Active CN101382565B (en) | 2008-10-24 | 2008-10-24 | Extra-high voltage corona cage for researching corona characteristic of conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101382565B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445639A (en) * | 2011-09-22 | 2012-05-09 | 华北电力大学 | Split conductor ion flow space distribution measuring method and device |
| CN102509011A (en) * | 2011-11-03 | 2012-06-20 | 国网电力科学研究院 | Radio interference exciting functions for conductors of ultrahigh-voltage transmission line and determining method for radio interference exciting functions |
| CN104330656A (en) * | 2014-10-15 | 2015-02-04 | 国网青海省电力公司电力科学研究院 | Simulated rain test system |
| CN105486961A (en) * | 2016-01-23 | 2016-04-13 | 清华大学 | Direct-current power transmission line radio interference excitation function testing method based on corona cage |
| CN106054049A (en) * | 2016-06-17 | 2016-10-26 | 华北电力大学 | Surface pollution accumulation conductor, controllable conductor surface pollution accumulation method and system |
| CN112048724A (en) * | 2020-09-11 | 2020-12-08 | 张兴莉 | Cathode protection system with external power supply |
-
2008
- 2008-10-24 CN CN2008102247022A patent/CN101382565B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445639A (en) * | 2011-09-22 | 2012-05-09 | 华北电力大学 | Split conductor ion flow space distribution measuring method and device |
| CN102445639B (en) * | 2011-09-22 | 2013-11-06 | 华北电力大学 | Split conductor ion flow space distribution measuring method and device |
| CN102509011A (en) * | 2011-11-03 | 2012-06-20 | 国网电力科学研究院 | Radio interference exciting functions for conductors of ultrahigh-voltage transmission line and determining method for radio interference exciting functions |
| CN104330656A (en) * | 2014-10-15 | 2015-02-04 | 国网青海省电力公司电力科学研究院 | Simulated rain test system |
| CN105486961A (en) * | 2016-01-23 | 2016-04-13 | 清华大学 | Direct-current power transmission line radio interference excitation function testing method based on corona cage |
| CN105486961B (en) * | 2016-01-23 | 2018-04-27 | 清华大学 | DC power transmission line radio interference excitation function test method based on corona cage |
| CN106054049A (en) * | 2016-06-17 | 2016-10-26 | 华北电力大学 | Surface pollution accumulation conductor, controllable conductor surface pollution accumulation method and system |
| CN106054049B (en) * | 2016-06-17 | 2018-10-23 | 华北电力大学 | A kind of method and system of surface contamination conducting wire, controllable conductive line surfaces contamination |
| CN112048724A (en) * | 2020-09-11 | 2020-12-08 | 张兴莉 | Cathode protection system with external power supply |
| CN112048724B (en) * | 2020-09-11 | 2023-02-28 | 李涛 | Cathode protection system with external power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101382565B (en) | 2010-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101382565B (en) | Extra-high voltage corona cage for researching corona characteristic of conductor | |
| CN108715234B (en) | Many rotors plant protection unmanned aerial vehicle simulation sprays experiment platform | |
| CN201269886Y (en) | Extra-high voltage corona cage for researching corona characteristic of conductive wire | |
| CN110552487A (en) | Engineering machinery for coloring building wall surface | |
| CN106525663A (en) | Composite insulator and vulcanized silicone rubber hydrophobicity detector based on multi-rotor unmanned aerial vehicle | |
| CN205921273U (en) | High pressure overhauls work platform | |
| CN105509785B (en) | A kind of artificial ice-coating test platform for simulating live icing meteorological condition | |
| CN218643291U (en) | Watering dust fall equipment | |
| CN204921012U (en) | Tunnel ventilation equipment hoist and mount frame | |
| CN203705292U (en) | Portable insulator pollution loss coefficient research device | |
| CN215065149U (en) | Suspension cable wind and rain excitation simulation test device for wind tunnel test | |
| CN205231447U (en) | High -tension apparatus overhauls supplementary termination | |
| CN208368947U (en) | Portable lightning protection system | |
| CN205436117U (en) | Dustproof cascade flush coater | |
| CN202126337U (en) | Waterproof test device of outdoor equipment | |
| CN204835405U (en) | Wire and cable of transformer substation assembled laying device | |
| CN209797795U (en) | solar spraying device for maintaining pier body | |
| CN206515420U (en) | A kind of modularization rain test equipment | |
| CN208908735U (en) | A kind of microcirculation simulator for mushroom | |
| CN206138761U (en) | On -line spray cleaning device of spray dryer | |
| CN209509287U (en) | A kind of ceiling system | |
| CN209481623U (en) | A kind of gleditsia sinensis dish washing liquid process units | |
| CN203387119U (en) | Flying trolley-type combined ladder | |
| CN111751053A (en) | General type product equipment of drenching with rain | |
| CN211279003U (en) | Atomizing and curing system for concrete prefabricated part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130130 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130130 Address after: 100192 Beijing city small business Qinghe Road No. 15 Patentee after: China Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 100192 Beijing city small business Qinghe Road No. 15 Patentee before: China Electric Power Research Institute |