CN108511138A - It is a kind of high to climb electric spacing charge adaptively dissipation high voltage direct current disc insulator - Google Patents
It is a kind of high to climb electric spacing charge adaptively dissipation high voltage direct current disc insulator Download PDFInfo
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- CN108511138A CN108511138A CN201710101936.7A CN201710101936A CN108511138A CN 108511138 A CN108511138 A CN 108511138A CN 201710101936 A CN201710101936 A CN 201710101936A CN 108511138 A CN108511138 A CN 108511138A
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- insulation layer
- direct current
- electric spacing
- adaptively
- high voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/145—Insulators, poles, handles, or the like in electric fences
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
- H01B17/40—Cementless fittings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
It is a kind of high to climb electric spacing charge adaptively dissipation high voltage direct current disc insulator, including insulation layer, adaptive area, the areas Pa electricity, the adaptive area is located at the lower end of the insulation layer, the areas Pa electricity are located at the top of the insulation layer, connecting flange is equipped with around the adaptive area, the middle part of the insulation layer is equipped with center abaculus, simultaneously, by increasing protrusion on top, to increase along interplanar distance.Advantage is：It can be carried out by the configuration design provided etc. than after adjustment, being applied to direct current GIL systems as disc insulator.And can be applied to involve the need in the AC and DC electric power equipment that disc insulator is supported, including isolation air pressure class and conductor support class etc. fields.Meanwhile by increasing protrusion on top, to increase along interplanar distance, achieve the effect that charge adaptively dissipates.
Description
Technical field
It is especially a kind of high to climb electric spacing charge and adaptively dissipate high straightening the present invention relates to equipment for power transmission and distribution technical field
Flow disc insulator.
Background technology
Gas-insulated metal closed power transmission line (GIL) is big with transmission capacity, it is friendly that small, safe and environment is lost
Well equal various features are the effective means transmitted for the electric energy of large capacity, long range.Transmission of electricity corridor is intensive, strategically located and difficult of access landforms,
Under the particular surroundings such as rivers,lakes and seas, gas-insulated metal-enclosed circuit then becomes being preferably selected for electrical energy transportation.Currently, gas is exhausted
Although edge metal closed power transmission line has worldwide gradually been used widely, however, main application is in exchange
In power grid, and the application of GIL is rarely reported in DC transmission system.In recent years, there are many manufacturers in the world, such as
Mitsubishi, Toshiba, Germany's electric power esbablished corporation such as Siemens and Switzerland ABB have all been carried out around direct current GIL and have been ground in succession
Work is sent out, but is showed no formal commercial operation report, main reason is that long-term work is under high voltage direct current environment, GIL
Disc insulator surface in equipment has the accumulation of charge, this original electric field that will distort causes insulating part flashover voltage notable
It reduces.Currently, with the fast development of China's high voltage direct current transmission project, the demand to direct current GIL equipment is increasingly urgent to, in
The research of surface charge accumulation characteristic and control measure of portion's insulating part under high voltage direct current has become various countries electric power research personnel
One of hot issue of research.
In recent years, for the research of disc insulator surface charge accumulation problem in direct current GIL, it is exhausted to be concentrated mainly on gas-solid
The measure theory and accurate measuring technique of edge barrier surface charge, D.C. isolation part surface charge accumulation characteristic and dissipation characteristic,
Surface charge control measure etc..However, so far, most of correlative study remains in simulation analysis and lab scale
The study on the modification of product sample block, the correlative study of the novel high-pressure direct current GIL disc insulators with commercial Application potential is still
It is rarely reported.
In addition, the insulator of existing design, top climbs that electric spacing is too low, and using effect is bad.
Invention content
The purpose of the present invention is to solve the above problem, devises and a kind of high climb electric spacing height to climb electric spacing charge adaptive
The high voltage direct current that should dissipate disc insulator.Specifically design scheme is：
It is a kind of it is high climb electric spacing height and climb electric spacing charge adaptively dissipation high voltage direct current disc insulator, including insulation layer,
Adaptive area, the areas Pa electricity, the adaptive area are located at the lower end of the insulation layer, and the areas Pa electricity are located at the top of the insulation layer
It holds, connecting flange is equipped with around the adaptive area, the middle part of the insulation layer is equipped with center abaculus.
The insulation layer, adaptive area are benzvalene form cyclic structure, the areas Pa electricity be cyclic structure, the insulation layer,
By moulding by casting, " Ω " shape structure, the insulation is integrally formed in the insulation layer, adaptive area for adaptive area, the areas Pa electricity
"u"-shaped is integrally formed in area, the areas Pa electricity.
The center inserts includes abaculus, and the left and right ends of the abaculus are cased with fixed ring, the fixed ring with it is described embedding
Block interference connects, and the downside of the fixed ring is equipped with stay hook, and the stay hook is bolted with the fixed ring, for connecting
The stay hook and the bolt of the fixed ring sequentially pass through the stay hook, fixed ring lower wall, abaculus, fixed ring from bottom to top
Upper wall, the stay hook are horizontal hook-shape structure.
The insulation layer is that epoxy resin-matrix alumina material is poured into a mould to be formed, and is needed before the epoxy resin-matrix aluminium oxide pouring
Curing agent is added and stirs.
The adaptive area is epoxy resin-matrix zinc oxide, the silica hybrid material that is carbonized is poured into a mould to be formed, and the silicon carbide is micro-
At least one of scale particles, nano-scale particle.
The areas Pa electricity are one kind in silicon carbide filler or Oxidation of SiC zinc mixture.
It is reserved bolt fixing hole in the middle part of the abaculus, the quantity of the reserved bolt fixing hole is multiple, the abaculus
The left and right sides have multiple recess, a protrusion, multiple recess, the diameter of protrusion be deep, internal diameter quantity is multiple, the insulation layer
Mutually agree with the recess, protrusion.
The height that above-mentioned technical proposal through the invention obtains, which climbs electric spacing height and climbs electric spacing charge, adaptively to dissipate high pressure
Direct current disc insulator, advantage are：
It can be carried out by the configuration design provided etc. than after adjustment, being applied to direct current GIL systems as disc insulator.And
And can be applied to involve the need in the AC and DC electric power equipment that disc insulator is supported, including isolation air pressure class and
The fields such as conductor support class.
Meanwhile by increasing protrusion on top, to increase along interplanar distance, achieve the effect that charge adaptively dissipates.
Description of the drawings
Fig. 1 is that height of the present invention climbs electric spacing height and climbs electric spacing charge adaptively dissipation high voltage direct current disc insulator
Structural schematic diagram；
Fig. 2 is the structural schematic diagram of center abaculus of the present invention；
In figure, 1, insulation layer；2, adaptive area；3, the areas Pa electricity；4, flange ring；5, center abaculus；51, abaculus；52, fixed
Ring；53, stay hook；54, bolt fixing hole is reserved.
Specific implementation mode
The present invention is specifically described below in conjunction with the accompanying drawings.
Fig. 1 is that height of the present invention climbs electric spacing height and climbs electric spacing charge adaptively dissipation high voltage direct current disc insulator
Structural schematic diagram；Fig. 2 is the structural schematic diagram of center abaculus of the present invention, and as shown in Figure 1 and Figure 2, a kind of high to climb electric spacing high
Climb electric spacing charge adaptively dissipation high voltage direct current disc insulator, including insulation layer 1, adaptive area 2, the areas Pa electricity 3, it is described from
The lower end that area 2 is located at the insulation layer 1 is adapted to, the areas Pa electricity 3 are located at the top of the insulation layer 1, the adaptive area 2
Surrounding is equipped with connecting flange 4, and the middle part of the insulation layer 1 is equipped with center abaculus 5.
The insulation layer 1, adaptive area 2 are benzvalene form cyclic structure, and the areas Pa electricity 3 are cyclic structure, the insulation
By moulding by casting, casting sequence is first to pour into a mould the areas Pa electricity 3, then pour into a mould described exhausted for area 1, adaptive area 2, the areas Pa electricity 3
Edge area 1 and adaptive area 2 are spaced 4 hours between different zones, and " Ω " shape knot is integrally formed in the insulation layer 1, adaptive area 2
"u"-shaped is integrally formed in structure, the insulation layer 1, the areas Pa electricity 3.
The center inserts 5 includes abaculus 51, and the left and right ends of the abaculus 51 are cased with fixed ring 52, the fixed ring 52
It is connect with 51 interference of the abaculus, the downside of the fixed ring 52 is equipped with stay hook 53, the stay hook 53 and the fixed ring
52 are bolted, and the stay hook is sequentially passed through from bottom to top for connecting the stay hook 53 and the bolt of the fixed ring 52
53,52 lower wall of fixed ring, abaculus 51,52 upper wall of fixed ring, the stay hook 53 are horizontal hook-shape structure.
The insulation layer 1 is that epoxy resin-matrix alumina material is poured into a mould to be formed, before the epoxy resin-matrix aluminium oxide pouring
Curing agent need to be added and stir.
The adaptive area 2 is epoxy resin-matrix zinc oxide, the silica hybrid material that is carbonized is poured into a mould to be formed, and the silicon carbide is micro-
At least one of scale particles, nano-scale particle.
The areas Pa electricity 3 are one kind in silicon carbide filler or Oxidation of SiC zinc mixture.
51 middle part of the abaculus is reserved bolt fixing hole 54, and the quantity of the reserved bolt fixing hole 54 is multiple, institute
There are multiple recess, protrusion in the left and right sides for stating abaculus 51, and multiple recess, diameter depth, the quantity of internal diameter of protrusion are multiple, institute
Insulation layer 1 is stated with the recess, protrusion mutually to agree with
Embodiment 1
Disc insulator after solidification can limit the space charge of absorption in the process of running, make charge adsorption in adaptive
Area 2 is answered, 1 resistivity of insulation layer is controlled by the non-linear special type filler in adaptive area 2, makes the region in surface charge
It will be connected before setting charge threshold will be reached, adaptively regulates and controls 2 local resistivity of adaptive area, make surface Accumulating charge super
It crosses after certain value, is released by grounding shell, to which automatic adjusument surface charge is horizontal, limitation direct current lower surface electricity
Lotus amount is always in safe range；When adaptive area's resistivity declines, 2 domain resistivity of insulation layer remains unchanged, this will keep
Disc insulator still has higher insulating properties.
Embodiment 2
The space charge of absorption can be collected in operational process under DC environment, and charge is clamped down in close
The insulated surface area of grounding shell carries out 1 resistivity of insulation layer by the non-linear special type filler in the region self-adaptive controlled
System, when the charge of adsorption will reach the electric field distortion value of setting, the adaptive area's resistivity of automatic adjusument makes adaptive
2 resistivity of area is answered to decline, this is equivalent to the ground resistance for changing the region surface charge, can be connected by low resistance
Grounding shell is released, and to which automatic adjusument surface charge is horizontal, the limitation direct current lower surface quantity of electric charge is always in safe model
In enclosing.At the same time, 1 resistivity of insulation layer at high-pressure conductor will not change, and still maintain original insulating properties.Basin
The casting process of formula insulator can be based entirely on existing industrial pouring technology, it is only necessary to increase special type filler beside Vacuum Mixture tank
Vacuum Mixture tank can be realized, and subsequent secondary curing and demoulding can be completed using prior art means.
Embodiment 3
It can be carried out by the configuration design provided etc. than after adjustment, being applied to direct current GIL systems as disc insulator.But
It is that application range is not limited thereto, in power transmission and power supplying and distributing equipment, involves the need for disc insulator and propped up
In the AC and DC electric power equipment of support, includes the application case of isolation air pressure class and conductor support class, can equally apply such basin
Formula insulator 1 is used for limiting surface charge buildup, improves the effect of equipment safety operation stability.
Embodiment 4
In operational process, under DC electric field effect, which can adsorb the charge of heteropolarity, work as charge
More than after certain value, the areas Pa electricity 3 are connected the distortion electric field of generation, and resistivity declines, and 3 both ends charge of the areas Pa electricity passes through insulation
It is neutralized in vivo, achievees the effect that charge adaptively dissipates.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of which part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (7)
- High electric spacing charge adaptively dissipation high voltage direct current disc insulator, including insulation layer (1), adaptive area are climbed 1. a kind of (2), the areas Pa electricity (3), which is characterized in that the adaptive area (2) is located at the lower end of the insulation layer (1), the areas Pa electricity (3) Top positioned at the insulation layer (1) is equipped with connecting flange (4) around the adaptive area (2), the insulation layer (1) Middle part is equipped with center abaculus (5).
- 2. climbing electric spacing height according to the height described in claim 1 climbs the adaptively dissipation high voltage direct current benzvalene form insulation of electric spacing charge Son, which is characterized in that the insulation layer (1), adaptive area (2) are benzvalene form cyclic structure, and the areas Pa electricity (3) are cyclic annular tie Structure, the insulation layer (1), adaptive area (2), the areas Pa electricity (3) pass through moulding by casting, the insulation layer (1), adaptive area (2) " Ω " shape structure is integrally formed, "u"-shaped is integrally formed in the insulation layer (1), the areas Pa electricity (3).
- 3. climbing electric spacing height according to the height described in claim 1 climbs the adaptively dissipation high voltage direct current benzvalene form insulation of electric spacing charge Son, which is characterized in that the center inserts (5) includes abaculus (51), and the left and right ends of the abaculus (51) are cased with fixed ring (52), the fixed ring (52) connect with the abaculus (51) interference, and the downside of the fixed ring (52) is equipped with stay hook (53), The stay hook (53) is bolted with the fixed ring (52), for connecting the stay hook (53) and the fixed ring (52) Bolt sequentially pass through the stay hook (53), fixed ring (52) lower wall, abaculus (51), fixed ring (52) upper wall from bottom to top, The stay hook (53) is horizontal hook-shape structure.
- 4. climbing electric spacing height according to the height described in claim 1 climbs the adaptively dissipation high voltage direct current benzvalene form insulation of electric spacing charge Son, which is characterized in that the insulation layer (1) is that epoxy resin-matrix alumina material is poured into a mould to be formed, the epoxy resin-matrix oxidation It needs that curing agent is added before aluminium cast and stirs.
- 5. climbing electric spacing height according to the height described in claim 1 climbs the adaptively dissipation high voltage direct current benzvalene form insulation of electric spacing charge Son, which is characterized in that the adaptive area (2) is epoxy resin-matrix, the silica hybrid material that is carbonized is poured into a mould to be formed, and the silicon carbide is At least one of micron particles, nano-scale particle.
- 6. climbing electric spacing height according to the height described in claim 1 climbs the adaptively dissipation high voltage direct current benzvalene form insulation of electric spacing charge Son, which is characterized in that the areas Pa electricity (3) are one kind in silicon carbide filler or Oxidation of SiC zinc mixture.
- 7. climbing electric spacing height according to the height described in claim 3 climbs the adaptively dissipation high voltage direct current benzvalene form insulation of electric spacing charge Son, which is characterized in that be reserved bolt fixing hole (54), the number of the reserved bolt fixing hole (54) in the middle part of the abaculus (51) Amount is multiple, has multiple recess, protrusion, multiple recess, the diameter of protrusion deep, internal diameter at left and right sides of the abaculus (51) Quantity is multiple, and the insulation layer (1) is mutually agreed with the recess, protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710101936.7A CN108511138B (en) | 2017-02-24 | 2017-02-24 | It is a kind of high to climb electric spacing charge adaptively dissipation high voltage direct current disc insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710101936.7A CN108511138B (en) | 2017-02-24 | 2017-02-24 | It is a kind of high to climb electric spacing charge adaptively dissipation high voltage direct current disc insulator |
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| Publication Number | Publication Date |
|---|---|
| CN108511138A true CN108511138A (en) | 2018-09-07 |
| CN108511138B CN108511138B (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710101936.7A Active CN108511138B (en) | 2017-02-24 | 2017-02-24 | It is a kind of high to climb electric spacing charge adaptively dissipation high voltage direct current disc insulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415779A (en) * | 2019-01-04 | 2020-07-14 | 清华大学 | Direct current gas insulation power transmission pipeline |
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|---|---|---|---|---|
| US4761707A (en) * | 1987-03-06 | 1988-08-02 | The Tokyo Electric Co., Inc. | Lightning-conducting insulators |
| JPH1080025A (en) * | 1996-08-30 | 1998-03-24 | Nitto Denko Corp | Insulating spacer |
| CN203746591U (en) * | 2014-03-03 | 2014-07-30 | 广东四会互感器厂有限公司 | High voltage basin type insulator with metal insert |
| CN203982910U (en) * | 2014-05-30 | 2014-12-03 | 国网山西省电力公司电力科学研究院 | A kind of individual event disc insulator |
| CN204117715U (en) * | 2014-07-08 | 2015-01-21 | 正泰电气股份有限公司 | A kind of disc insulator |
| CN105542399A (en) * | 2016-01-18 | 2016-05-04 | 西安交通大学 | Centrifugal manufacturing method for dielectric functional gradient insulator |
| EP3093938A1 (en) * | 2015-05-12 | 2016-11-16 | Siemens Aktiengesellschaft | High voltage implementation system |
| CN106847430A (en) * | 2017-01-24 | 2017-06-13 | 清华大学 | A kind of electric charge self adaptation dissipation disc insulator |
-
2017
- 2017-02-24 CN CN201710101936.7A patent/CN108511138B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761707A (en) * | 1987-03-06 | 1988-08-02 | The Tokyo Electric Co., Inc. | Lightning-conducting insulators |
| JPH1080025A (en) * | 1996-08-30 | 1998-03-24 | Nitto Denko Corp | Insulating spacer |
| CN203746591U (en) * | 2014-03-03 | 2014-07-30 | 广东四会互感器厂有限公司 | High voltage basin type insulator with metal insert |
| CN203982910U (en) * | 2014-05-30 | 2014-12-03 | 国网山西省电力公司电力科学研究院 | A kind of individual event disc insulator |
| CN204117715U (en) * | 2014-07-08 | 2015-01-21 | 正泰电气股份有限公司 | A kind of disc insulator |
| EP3093938A1 (en) * | 2015-05-12 | 2016-11-16 | Siemens Aktiengesellschaft | High voltage implementation system |
| CN105542399A (en) * | 2016-01-18 | 2016-05-04 | 西安交通大学 | Centrifugal manufacturing method for dielectric functional gradient insulator |
| CN106847430A (en) * | 2017-01-24 | 2017-06-13 | 清华大学 | A kind of electric charge self adaptation dissipation disc insulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415779A (en) * | 2019-01-04 | 2020-07-14 | 清华大学 | Direct current gas insulation power transmission pipeline |
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| Publication number | Publication date |
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| CN108511138B (en) | 2019-10-18 |
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