CN106448977A - Metal oxide arrester device for +/-660kV DC transmission line - Google Patents
Metal oxide arrester device for +/-660kV DC transmission line Download PDFInfo
- Publication number
- CN106448977A CN106448977A CN201610847699.4A CN201610847699A CN106448977A CN 106448977 A CN106448977 A CN 106448977A CN 201610847699 A CN201610847699 A CN 201610847699A CN 106448977 A CN106448977 A CN 106448977A
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- China
- Prior art keywords
- line
- transmission line
- insulator
- metal oxide
- lightning arrester
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
- H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
Abstract
The invention provides a metal oxide arrester device for a +/-660kV DC transmission line. The metal oxide arrester device comprises an arrester body, a high-voltage terminal electrode, a low-voltage terminal electrode, an insulating base, a counter, a special connection plate, V strings of composite insulators, a clamp, an adjustable I-beam and an angle iron support, wherein the high-voltage terminal electrode is connected with a transmission conductor suspension yoke plate through the special connection plate; the low-voltage terminal electrode is fixed at one end of the arrester body and the other end of the arrester body is fixed on a transmission line tower through the insulating base, the adjustable I-beam and the angle iron support; and the middle part of the arrester body is fixed on the transmission line tower through the V strings of composite insulators. The metal oxide arrester device can meet the security transmission requirements of the +/-660kV DC transmission line in a lightning stroke state; and the disadvantages of a power failure caused by a lightning stroke are avoided.
Description
Technical field
The present invention relates to DC power transmission line arrester technical field is and in particular to one kind ± 660kV DC power transmission line
Use metal oxide arrester device.
Background technology
Rather eastern direct current is first ± 660kV voltage levels direct current power transmission engineering in the world, is China's " transferring electricity from the west to the east "
Emphasis electrical network project, is also the important passway for transmitting electricity to North China Power Telecommunication Network power transmission for the Northwest Grid simultaneously.Existing ± 660kV direct current transportation
Circuit does not have a kind of reliable, applicable lightening protection installation so far, has the line tripping thing that great transmission line of lightning strike leads to
Therefore risk.
Content of the invention
It is an object of the invention to provide one kind ± 660kV DC power transmission line metal oxide arrester device, can
The needs of effective guarantee ± 660kV DC power transmission line safety power transmission under thunderbolt state, it is to avoid due to stopping that thunderbolt causes
Electrification, improves the resistance to thunder level of transmission line of electricity.
To achieve these goals, the technical solution used in the present invention is as follows：
Construction one kind ± 660kV DC power transmission line metal oxide arrester device, including lightning arrester body, high pressure
Termination electrode, low pressure termination electrode, insulator foot, counter, special connecting plate, V string composite insulator, fixture, adjustable I-steel and
Angle bar frame.Electric power line pole tower has two groups of line insulators, and first group of line insulator upper end is arranged on transmission line of electricity bar
The tower head lower-left end of tower, hanging yoke plate upper end is arranged on first group of line insulator lower end, and special connecting plate upper end is arranged on outstanding
Vertical yoke plate lower end, high pressure termination electrode upper end is arranged on special connecting plate lower end, and one group of wire of transmission line of electricity is arranged on pendency connection
On plate；Second group of line insulator upper end is arranged on the tower head bottom righthand side of electric power line pole tower, and hanging yoke plate upper end is arranged on
Two groups of line insulator lower ends, another group of wire of transmission line of electricity is arranged on hanging yoke plate.Low pressure termination electrode lower end is arranged on
Lightning arrester body upper end, V string composite insulator left part is arranged on lightning arrester body right middle, and V string composite insulator right part passes through
Fixture is arranged on the tower body left end of electric power line pole tower, and insulator foot upper end is arranged on lightning arrester body lower end, under insulator foot
End is arranged on I-steel upper end, and I-steel lower end is arranged on angle bar frame upper end, and angle bar frame lower end is arranged on transmission line of electricity bar
The tower body left end of tower, the supporting counter of arrester is arranged on tower body left end and the connecting line ground connection of electric power line pole tower.
According to above scheme, described lightning arrester body, high pressure termination electrode, low pressure termination electrode, insulator foot, counter, specially
After being arranged on electric power line pole tower with connecting plate, V string composite insulator, fixture, adjustable I-steel and angle bar frame, Bu Huiyin
Produce displacement for external force.
According to above scheme, described lightning arrester body enclosed inside high-performance direct current zinc oxide resistance sheet, disclosure satisfy that thunder
The requirement that electric flux absorbs and ± 660kV DC transmission system is protected.
According to above scheme, it is provided with outside described lightning arrester body and silicon rubber is shaped again by one piece mould pressing technology
Close overcoat, silicon rubber composite sheath from top to bottom adopts the umbrella skirt construction of " small one and large one ", the direct current contamination improving full skirt is asked
Topic, meets the requirement to creep distance for the external insulation simultaneously.
According to above scheme, lightning arrester body is isolated by described insulator foot with electric power line pole tower, is joined by arrester
The counter connecting line of set flows into ground come thunder and lightning of releasing, and ensure that the reliability of counter action simultaneously.
According to above scheme, described V string composite insulator in the middle part of lightning arrester body by oblique pull live lightning arrester body
Bear lightning arrester body self gravitation and moment of flexure that wind load brings is it is ensured that the installation of long structure size, big quality arrester
Stability and performance reliability.
According to above scheme, described adjustable I-steel and angle bar frame use cooperatively to adjust high pressure termination electrode and low-pressure end
Air gap distance between electrode.
The invention has the beneficial effects as follows：
(1) ± 660kV DC power transmission line metal oxide arrester device of the present invention includes arrester, insulation
Base, special connecting plate, V string composite insulator, adjustable I-steel and angle bar frame, disclosure satisfy that ± 660kV DC power transmission system
System safety power transmission under thunderbolt state needs the shortcoming it is therefore prevented that causing power outage due to thunderbolt.
(2) direct current zinc oxide resistance chip within lightning arrester body absorbs thunder and lightning stream energy, supporting through lightning arrester body
Counter connecting line release into ground, protect transmission line of electricity tower head the air gap (or insulator) to exempt from lightning stroke flashover.
(3) the silicon rubber composite sheath outside lightning arrester body from top to bottom adopts the umbrella skirt construction of " small one and large one ", changes
It has been apt to the direct current dirt retention problems of full skirt, met the requirement to creep distance for the external insulation simultaneously.
(4) adjustable I-steel and angle bar frame use cooperatively the air to adjust between high pressure termination electrode and low pressure termination electrode
Clearance distance, is allowed to meet the needs of technical requirements.
(5) V string composite insulator oblique pull in the middle part of lightning arrester body lives lightning arrester body to bear lightning arrester body itself
Moment of flexure that gravity and wind load bring is it is ensured that long structure size, the mounting stability of big quality arrester and performance reliability.
Brief description
Fig. 1 is the mounting structure schematic diagram of arrester device of the present invention；
Fig. 2 is the structural representation of arrester of the present invention；
Fig. 3 is the structural representation of lightning arrester body unit of the present invention.
In figure：1st, electric power line pole tower；2nd, line insulator；3rd, hanging yoke plate；4th, transmission pressure；5th, special connecting plate；
6th, high pressure termination electrode；7th, low pressure termination electrode；8th, lightning arrester body；9th, V string composite insulator；10th, fixture；11st, insulator foot；
12nd, adjustable I-steel；13rd, angle bar frame；14th, composite sheath；15th, zinc oxide resistance sheet.
Specific embodiment
With embodiment, technical scheme is illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1-Figure 3, one kind ± 660kV DC power transmission line metal oxide arrester of the present invention fills
Put, including lightning arrester body 8, high pressure termination electrode 6, low pressure termination electrode 7, insulator foot 11, counter, special connecting plate 5, V string
Composite insulator 9, fixture 10, adjustable I-steel 12 and angle bar frame 13.
Electric power line pole tower 1 of the present invention has two groups of line insulators 2, and first group of line insulator 2 upper end is installed
At the tower head lower-left end of electric power line pole tower 1, hanging yoke plate 3 upper end is arranged on first group of line insulator 2 lower end, special connection
Plate 5 upper end is arranged on hanging yoke plate 3 lower end, and high pressure termination electrode 6 upper end is arranged on special connecting plate 5 lower end, and the one of transmission line of electricity
Group transmission pressure 4 is arranged on hanging yoke plate 3；Second group of line insulator 2 upper end is arranged on the tower head right side of electric power line pole tower 1
Lower end, hanging yoke plate 3 upper end is arranged on second group of line insulator 2 lower end, and another group of transmission pressure 4 of transmission line of electricity is arranged on
On hanging yoke plate 3.
Low pressure termination electrode 7 lower end of the present invention is arranged on lightning arrester body 8 upper end, and V string composite insulator 9 left part is installed
In lightning arrester body 8 right middle, the tower body that V string composite insulator 9 right part is arranged on electric power line pole tower 1 by fixture 10 is left
End, insulator foot 11 upper end is arranged on lightning arrester body 8 lower end, and insulator foot 11 lower end is arranged on adjustable I-steel 12 upper end,
Adjustable I-steel 12 lower end is arranged on angle bar frame 13 upper end, and angle bar frame 13 lower end is arranged on the tower body of electric power line pole tower 1
Left end, the supporting counter of arrester is arranged on tower body left end and the connecting line ground connection of electric power line pole tower 1.
Lightning arrester body 8 of the present invention, high pressure termination electrode 6, low pressure termination electrode 7, insulator foot 11, counter, special
Connecting plate 5, V string composite insulator 9, fixture 10, adjustable I-steel 12 and angle bar frame 13 are arranged on electric power line pole tower 1
Afterwards, displacement will not be produced because of external force.
Lightning arrester body 8 enclosed inside high-performance direct current zinc oxide resistance sheet 15 of the present invention, disclosure satisfy that lightning energy
The requirement that amount absorbs and ± 660kV DC transmission system is protected.
It is provided with outside lightning arrester body 8 of the present invention and silicon rubber composite sheath is shaped by one piece mould pressing technology
14, silicon rubber composite sheath 14 from top to bottom adopts the umbrella skirt construction of " small one and large one ", improves the direct current dirt retention problems of full skirt,
Meet the requirement to creep distance for the external insulation simultaneously.
Lightning arrester body 8 is isolated by insulator foot 11 of the present invention with electric power line pole tower 1, supporting by arrester
Counter connecting line flows into ground come thunder and lightning of releasing, and ensure that the reliability of counter action simultaneously.
V string composite insulator 9 of the present invention is lived lightning arrester body 8 by oblique pull in the middle part of lightning arrester body 8 and is born
The moment of flexure that lightning arrester body 8 self gravitation and wind load bring is it is ensured that the installation of long structure size, big quality arrester is stable
Property and performance reliability.
Adjustable I-steel 12 of the present invention and angle bar frame 13 use cooperatively to adjust high pressure termination electrode 6 and low-pressure end electricity
Air gap distance between pole 7, is allowed to meet the needs of technical requirements.
During present invention application, because lightning arrester body 8 outer silicone composite sheath 14 from top to bottom adopts " one big one
Little " umbrella skirt construction, big full skirt and little full skirt are spaced, so the direct current dirt retention problems of full skirt can be improved, meet outer simultaneously
The requirement to creep distance for the insulation.By increasing and decreasing backing plate between adjustable I-steel 12 and angle bar frame 13, high-pressure side electricity can be adjusted
Air gap distance between pole 6 and low pressure termination electrode 7, make the air gap between high pressure termination electrode 6 and low pressure termination electrode 7 away from
From reaching technical requirements needs；Metal oxide (direct current zinc oxide resistance chip 15) when being struck by lightning, within lightning arrester body 8
The energy of thunder and lightning generation can be absorbed, the thunder and lightning after absorbed energy is let out through the supporting counter connecting line of lightning arrester body 8
Put into ground, right ± 660kV DC transmission system plays a protective role, prevent tripping operation it is ensured that safety power transmission under thunderbolt state
Need.
Above example only in order to illustrative and not limiting technical scheme, although above-described embodiment enters to the present invention
Go detailed description, the person skilled of this area should be understood：The present invention can be modified or replace on an equal basis, but
Any modification without departing from spirit and scope of the invention and local are replaced and all should be covered in scope of the presently claimed invention.
Claims (6)
1. one kind ± 660kV DC power transmission line with metal oxide arrester device it is characterised in that include arrester this
Body, high pressure termination electrode, low pressure termination electrode, insulator foot, counter, special connecting plate, V string composite insulator, fixture, adjustable work
Word steel and angle bar frame；Electric power line pole tower has two groups of line insulators, and first group of line insulator upper end is arranged on transmission of electricity
The tower head lower-left end of overhead line structures, hanging yoke plate upper end is arranged on first group of line insulator lower end, special connecting plate upper end peace
It is contained in hanging yoke plate lower end, high pressure termination electrode upper end is arranged on special connecting plate lower end, one group of wire of transmission line of electricity is arranged on
On hanging yoke plate；Second group of line insulator upper end is arranged on the tower head bottom righthand side of electric power line pole tower, and hanging yoke plate upper end is pacified
It is contained in second group of line insulator lower end, another group of wire of transmission line of electricity is arranged on hanging yoke plate；Low pressure termination electrode lower end
It is arranged on lightning arrester body upper end, V string composite insulator left part is arranged on lightning arrester body right middle, and V string composite insulator is right
Portion is arranged on the tower body left end of electric power line pole tower by fixture, and insulator foot upper end is arranged on lightning arrester body lower end, insulation
Base lower end is arranged on I-steel upper end, and I-steel lower end is arranged on angle bar frame upper end, and angle bar frame lower end is arranged on transmission of electricity
The tower body left end of overhead line structures, the supporting counter of arrester is arranged on the tower body left end of electric power line pole tower and connecting line connects
Ground.
2. ± 660kV DC power transmission line metal oxide arrester device according to claim 1, its feature exists
In described lightning arrester body enclosed inside direct current zinc oxide resistance chip.
3. ± 660kV DC power transmission line metal oxide arrester device according to claim 1, its feature exists
In, be provided with outside described lightning arrester body by one piece mould pressing technology shape silicon rubber composite sheath, silicon rubber be combined
Overcoat from top to bottom adopts the umbrella skirt construction of " small one and large one ".
4. ± 660kV DC power transmission line metal oxide arrester device according to claim 1, its feature exists
In, described insulator foot, lightning arrester body is isolated with electric power line pole tower, by the supporting counter connecting line of arrester Lai
Thunder and lightning of releasing flows into ground.
5. ± 660kV DC power transmission line metal oxide arrester device according to claim 1, its feature exists
In described V string composite insulator lives lightning arrester body by oblique pull in the middle part of lightning arrester body.
6. ± 660kV DC power transmission line metal oxide arrester device according to claim 1, its feature exists
Use cooperatively the air gap to adjust between high pressure termination electrode and low pressure termination electrode in, described adjustable I-steel and angle bar frame
Distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847699.4A CN106448977A (en) | 2016-09-23 | 2016-09-23 | Metal oxide arrester device for +/-660kV DC transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847699.4A CN106448977A (en) | 2016-09-23 | 2016-09-23 | Metal oxide arrester device for +/-660kV DC transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106448977A true CN106448977A (en) | 2017-02-22 |
Family
ID=58166182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610847699.4A Pending CN106448977A (en) | 2016-09-23 | 2016-09-23 | Metal oxide arrester device for +/-660kV DC transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106448977A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964762A (en) * | 2021-08-19 | 2022-01-21 | 国网湖南省电力有限公司 | Overhead transmission line windage yaw tripping fault prevention and control device and application method |
| US11322913B2 (en) * | 2018-09-28 | 2022-05-03 | Hitachi Energy Switzerland Ag | Externally gapped line arrester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01143303A (en) * | 1987-11-30 | 1989-06-05 | Toshiba Corp | Car protective circuit provided with zinc oxide arrestor |
| CN201397717Y (en) * | 2009-05-04 | 2010-02-03 | 中能电力科技开发有限公司 | 500kV porcelain sleeve non-clearance metallic oxide lightning arrester without grading capacitor |
| CN104901163A (en) * | 2015-06-24 | 2015-09-09 | 国网电力科学研究院武汉南瑞有限责任公司 | Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line |
| CN206040336U (en) * | 2016-09-23 | 2017-03-22 | 国家电网公司 | 660kV direct current transmission is metal oxide lightning arrester device for circuit |
-
2016
- 2016-09-23 CN CN201610847699.4A patent/CN106448977A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01143303A (en) * | 1987-11-30 | 1989-06-05 | Toshiba Corp | Car protective circuit provided with zinc oxide arrestor |
| CN201397717Y (en) * | 2009-05-04 | 2010-02-03 | 中能电力科技开发有限公司 | 500kV porcelain sleeve non-clearance metallic oxide lightning arrester without grading capacitor |
| CN104901163A (en) * | 2015-06-24 | 2015-09-09 | 国网电力科学研究院武汉南瑞有限责任公司 | Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line |
| CN206040336U (en) * | 2016-09-23 | 2017-03-22 | 国家电网公司 | 660kV direct current transmission is metal oxide lightning arrester device for circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11322913B2 (en) * | 2018-09-28 | 2022-05-03 | Hitachi Energy Switzerland Ag | Externally gapped line arrester |
| CN113964762A (en) * | 2021-08-19 | 2022-01-21 | 国网湖南省电力有限公司 | Overhead transmission line windage yaw tripping fault prevention and control device and application method |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |