CN104901163A - Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line - Google Patents
Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line Download PDFInfo
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- CN104901163A CN104901163A CN201510355453.0A CN201510355453A CN104901163A CN 104901163 A CN104901163 A CN 104901163A CN 201510355453 A CN201510355453 A CN 201510355453A CN 104901163 A CN104901163 A CN 104901163A
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- lightning arrester
- direct current
- high voltage
- transmission line
- voltage direct
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- 239000004411 aluminium Substances 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000004593 Epoxy Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 16
- 239000011787 zinc oxide Substances 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 6
- 229910052742 iron Inorganic materials 0.000 abstract 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The present invention relates to the technical field of lightning arresters, and especially discloses a lightning arrester device for a +-800 KV ultra-high voltage direct-current (UHVDC) transmission line. The device comprises a lightning arrester and an iron tower, the lightning arrester is composed of a plurality of lightning arrester body elements in series connection through a guide line, one end of the lightning arrester is connected with a low voltage end electrode, a high voltage end electrode is arranged corresponding to the low voltage end electrode, the other end of the lightning arrester is connected to the iron tower, and the high voltage end electrode is also connected to the iron tower. According to the device provided by the present invention, the lightning arrester is composed of multiple sections of the lightning arrester body elements in series connection through the guide line, one end of the lightning arrester is connected with the low voltage end electrode, and the high voltage end electrode is arranged corresponding to the low voltage end electrode; the device is convenient to assemble and disassemble, small in discharge dispersity, and reliable in electrical and mechanical performance; normal operation of the line is ensured, the line lightning resisting level is effectively raised, a line lightning outage rate is greatly lowered, a lightning fault probability of the +-800 KV DC transmission line is effectively reduced, and the power transmission reliability is enhanced.
Description
Technical field
The present invention relates to lightning arrester technical field, refer in particular to one ± 800KV extra high voltage direct current transmission line arrester device.
Background technology
± 800KV extra high voltage direct current transmission line height shaft tower, long distance, the features such as lightening activity along the line and topography and geomorphology complexity, it is made to suffer lightning strike probability to want high more than All other routes, the particularly polarity of voltage effect of hvdc transmission line, the lightning flashover rate of positive polarity wire is caused to remain high, although phase shift restart operation greatly reduces the probability of happening of DC line lightning strike accident, but because of the list caused that is struck by lightning, bipolar locking accident still happens occasionally, and cause power outage, cause heavy economic losses, operating experience shows, leakage conductor is installed and effectively can improves line lightning resisting level, significantly reduce lightning outage rate.
At present, there is no ± the case history of 800KV DC power transmission line lightning arrester hanging net operation both at home and abroad.
Summary of the invention
For above problem, the invention provides one ± 800KV extra high voltage direct current transmission line arrester device, solve ± there is the problem of overvoltage flashover in insulator string or tower head air gap when being struck by lightning in 800KV DC power transmission line, reduction ± 800KV DC power transmission line lightning fault probability, improves the object of transmission reliability.
To achieve these goals, the technical solution used in the present invention is as follows:
One ± 800KV extra high voltage direct current transmission line arrester device, comprise lightning arrester and steel tower, lightning arrester consists of wired in series some joint lightning arrester body elements, lightning arrester one end is connected with low-pressure end electrode, the lightning arrester other end is connected to steel tower, low-pressure end electrode pair should be provided with high-pressure side electrode, and high-pressure side Electrode connection is in steel tower.
Further, lightning arrester is composed in series by 5 joint lightning arrester body elements.
Further, lightning arrester body element comprises silicon rubber composite sheath, epoxy glass fabric insulating cylinder, direct current zinc oxide resistance chip, flange, aluminium cushion block and aluminium contiguous block, and lightning arrester body element adopts aging coefficient under 90% direct current chargeability to be not more than 0.6, square wave density 42A/cm
2small size high-capacity direct current zinc oxide resistance sheet.
Further, silicon rubber composite sheath is located at epoxy glass fabric insulating cylinder outer ring, and silicon rubber composite sheath adopts disposable injection molding technique manufacture to form.
Further, direct current zinc oxide resistance chip interval be located in epoxy glass fabric insulating cylinder, direct current zinc oxide resistance chip adopts spring compression assembly technology to assembly.
Further, flange is located at epoxy glass fabric insulating cylinder two ends, passes through Flange joint between adjacent two joint unit of an arrester.
Further, aluminium cushion block and aluminium contiguous block interval be located in epoxy glass fabric insulating cylinder, aluminium cushion block and aluminium contiguous block are corresponding with direct current zinc oxide resistance chip respectively to be arranged.
Further, high-pressure side electrode is connected to steel tower by wire yoke plate.
Further, steel tower is provided with mounting bracket, is connected to mounting bracket bottom lightning arrester by adjustable support.
Further, lightning arrester is connected to steel tower by insulator string in oblique pull mode, insulator string and conductor in parallel vibrational power flow.
Beneficial effect of the present invention:
Lightning arrester of the present invention adopts and consists of wired in series some joint lightning arrester body elements, and it is easy to loading and unloading, and discharge dispersity is little, electrically, reliable in mechanical performance, ensure that circuit normally runs, effectively reduction ± 800KV DC power transmission line lightning fault probability, improve transmission reliability.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is lightning arrester structure chart of the present invention;
Fig. 3 is lightning arrester body component structure figure of the present invention.
In figure: 1, lightning arrester body element; 2, high-pressure side electrode; 3, low-pressure end electrode; 4, silicon rubber composite sheath; 5, epoxy glass fabric insulating cylinder; 6, direct current zinc oxide resistance chip; 7, flange; 8, aluminium cushion block; 9, aluminium contiguous block; 10, wire yoke plate; 11, adjustable support; 12, mounting bracket; 13, steel tower; 14, insulator string; 20, wire; 30, lightning arrester.
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is described.
As shown in Figures 1 to 3, one of the present invention ± 800KV extra high voltage direct current transmission line arrester device, comprise lightning arrester 30 and steel tower 13, lightning arrester 30 is composed in series by wire 20 by 5 joint lightning arrester body elements 1, lightning arrester 30 one end is connected with low-pressure end electrode 3, lightning arrester 30 other end is connected to steel tower 13, and low-pressure end electrode 3 correspondence is provided with high-pressure side electrode 2, and high-pressure side electrode 2 is connected to steel tower 13.The above forms basic structure of the present invention.
As shown in Figure 2, lightning arrester 30 of the present invention adopts 5 joint lightning arrester body elements 1 to be composed in series, and lightning arrester 30 is connected with low-pressure end electrode 3, and low-pressure end electrode 3 correspondence is provided with high-pressure side electrode 2.Such vibrational power flow is adopted to have the advantages such as easy to loading and unloading, discharge dispersity is little, electric, reliable in mechanical performance, guarantee circuit normally run, effectively improve line lightning resisting level in addition, significantly reduce lightning outage rate, reduce ± 800KV DC power transmission line lightning fault probability, improve transmission reliability.
As shown in Figure 3, lightning arrester body element 1 of the present invention comprises silicon rubber composite sheath 4, epoxy glass fabric insulating cylinder 5, direct current zinc oxide resistance chip 6, flange 7, aluminium cushion block 8 and aluminium contiguous block 9, and lightning arrester body element 1 adopts aging coefficient under 90% direct current chargeability to be not more than 0.6, square wave density 42A/cm
2small size high-capacity direct current zinc oxide resistance sheet.Adopt such vibrational power flow, significantly reduce the volume of lightning arrester, weight, achieve lightning arrester Miniaturization Design, facilitate site operation to install.
Silicon rubber composite sheath 4 of the present invention is located at epoxy glass fabric insulating cylinder 5 outer ring, and silicon rubber composite sheath 4 adopts disposable injection molding technique manufacture to form.Adopt such vibrational power flow, its hydrophobicity is good, and UV radiation ability is strong, and sealing property is excellent, meets the exterior insulation requirement of lightning arrester Long-Time Service under DC fields and adverse weather condition.
Direct current zinc oxide resistance chip 6 interval of the present invention be located in epoxy glass fabric insulating cylinder 5, direct current zinc oxide resistance chip 6 adopts spring compression assembly technology to assembly.
Flange 7 of the present invention is located at epoxy glass fabric insulating cylinder 5 two ends, is connected between adjacent two joint lightning arresters by flange 7.Lightning arrester 30 is composed in series by flange 7 by 5 joint unit of an arrester 1, and uppermost lightning arrester body element 1 is connected to low-pressure end electrode 3, and nethermost lightning arrester body element 1 is connected to steel tower 13.
Aluminium cushion block 8 of the present invention and aluminium contiguous block 9 interval be located in epoxy glass fabric insulating cylinder 5, aluminium cushion block 8 and aluminium contiguous block 9 are corresponding with direct current zinc oxide resistance chip 6 respectively to be arranged.
High-pressure side electrode 2 of the present invention is connected to steel tower 13 by wire yoke plate 10.
Steel tower 13 of the present invention is fixed with mounting bracket 12, bottom lightning arrester 30, is connected to mounting bracket 12 by adjustable support 11.By the distance between the adjustable low-pressure end electrode 3 of adjustable support 11 and high-pressure side electrode 2.
Lightning arrester 30 of the present invention is connected to steel tower 13 by insulator string 14 in oblique pull mode, and insulator string 14 and wire 20 parallel-connection structure are arranged.The present invention adopts insulator string 14 oblique pull cross arm type mounting structure, reduces the mechanical loads such as the tension of lightning arrester, bending resistance, vibration, ensures the safety in operation of installing shaft tower and lightning arrester.
Be more than the present invention's preferably execution mode, those skilled in the art in the invention can also change above-mentioned execution mode and revise.Therefore, the present invention is not limited to above-mentioned embodiment, and any apparent improvement that every those skilled in the art do on basis of the present invention, replacement or modification all belong to protection scope of the present invention.
Claims (10)
1. one kind ± 800KV extra high voltage direct current transmission line arrester device, comprise lightning arrester (30) and steel tower (13), it is characterized in that: described lightning arrester (30) is composed in series by some joint lightning arrester body elements (1), described lightning arrester (30) one end is connected with low-pressure end electrode (3), described lightning arrester (30) other end is connected to steel tower (13), described low-pressure end electrode (3) correspondence is provided with high-pressure side electrode (2), and high-pressure side electrode (2) is connected to steel tower (13).
2. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 1, is characterized in that: described lightning arrester (20) is composed in series by 5 joints lightning arrester body element (1).
3. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 1, it is characterized in that: described lightning arrester body element (1) comprises silicon rubber composite sheath (4), epoxy glass fabric insulating cylinder (5), direct current zinc oxide resistance chip (6), flange (7), aluminium cushion block (8) and aluminium contiguous block (9), described lightning arrester body element (1) adopt aging coefficient under 90% direct current chargeability to be not more than 0.6, square wave density 42A/cm
2small size high-capacity direct current zinc oxide resistance sheet.
4. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 3, it is characterized in that: described silicon rubber composite sheath (4) is located at epoxy glass fabric insulating cylinder (5) outer ring, described silicon rubber composite sheath (4) adopts disposable injection molding technique manufacture to form.
5. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 3, it is characterized in that: described direct current zinc oxide resistance chip (6) interval be located in epoxy glass fabric insulating cylinder (5), described direct current zinc oxide resistance chip (6) adopts spring compression assembly technology to assembly.
6. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 3, it is characterized in that: described flange (7) is located at epoxy glass fabric insulating cylinder (5) two ends, connected by flange (7) between described adjacent two joints lightning arrester body element (1).
7. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 3, it is characterized in that: described aluminium cushion block (8) and aluminium contiguous block (9) interval be located in epoxy glass fabric insulating cylinder (5), described aluminium cushion block (8) and aluminium contiguous block (9) are corresponding with direct current zinc oxide resistance chip (6) respectively to be arranged.
8. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 1, is characterized in that: described high-pressure side electrode (2) is connected to steel tower (13) by wire yoke plate (10).
9. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 1, it is characterized in that: described steel tower (13) is fixed with mounting bracket (12), described lightning arrester (30) bottom is connected to mounting bracket (12) by adjustable support (11).
10. one ± 800KV extra high voltage direct current transmission line arrester device according to claim 1, it is characterized in that: described lightning arrester (30) is connected to steel tower (13) by insulator string (14) in oblique pull mode, described insulator string (14) and wire (20) parallel-connection structure are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355453.0A CN104901163A (en) | 2015-06-24 | 2015-06-24 | Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355453.0A CN104901163A (en) | 2015-06-24 | 2015-06-24 | Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line |
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| Publication Number | Publication Date |
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| CN104901163A true CN104901163A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510355453.0A Pending CN104901163A (en) | 2015-06-24 | 2015-06-24 | Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line |
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| CN (1) | CN104901163A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427978A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Compound polymeric housed metal oxide arrester |
| CN106448977A (en) * | 2016-09-23 | 2017-02-22 | 国家电网公司 | Metal oxide arrester device for +/-660kV DC transmission line |
| CN106448976A (en) * | 2016-09-23 | 2017-02-22 | 国家电网公司 | High-altitude arrester for protecting +/-400kV DC transmission line |
| CN107134715A (en) * | 2017-05-10 | 2017-09-05 | 国家电网公司 | A kind of electric transmission line lightning arrester device and installation method |
| CN109326960A (en) * | 2018-11-26 | 2019-02-12 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of band the air gap suspended-type surge arrester and Allocation of Lightning Arrester method |
| CN111091941A (en) * | 2019-12-27 | 2020-05-01 | 江西中南绝缘子有限公司 | Pillar insulator type lightning arrester for integral electrified railway |
| WO2021103017A1 (en) * | 2019-11-29 | 2021-06-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Method for limiting lightning-strike flashover of dc electricity transmission line |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313805A (en) * | 1987-06-17 | 1988-12-21 | Otowa Denki Kogyo Kk | Lightning arrestor |
| CN201985500U (en) * | 2011-01-04 | 2011-09-21 | 南阳金冠电气有限公司 | Oblique-pulling and hanging type lightning arrester for 500KV power transmission line |
| CN202384124U (en) * | 2011-11-14 | 2012-08-15 | 国网电力科学研究院武汉南瑞有限责任公司 | Arrester for direct-current power transmission line protection |
| CN203192560U (en) * | 2013-04-09 | 2013-09-11 | 南阳金冠电气有限公司 | Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester |
| CN203574343U (en) * | 2013-11-29 | 2014-04-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Piecewise adjustable arrester installation bracket |
| CN104599798A (en) * | 2014-12-12 | 2015-05-06 | 国家电网公司 | Direct current lightning arrester and system using the same |
| CN204706772U (en) * | 2015-06-24 | 2015-10-14 | 国网电力科学研究院武汉南瑞有限责任公司 | One ± 800kV extra high voltage direct current transmission line arrester device |
-
2015
- 2015-06-24 CN CN201510355453.0A patent/CN104901163A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313805A (en) * | 1987-06-17 | 1988-12-21 | Otowa Denki Kogyo Kk | Lightning arrestor |
| CN201985500U (en) * | 2011-01-04 | 2011-09-21 | 南阳金冠电气有限公司 | Oblique-pulling and hanging type lightning arrester for 500KV power transmission line |
| CN202384124U (en) * | 2011-11-14 | 2012-08-15 | 国网电力科学研究院武汉南瑞有限责任公司 | Arrester for direct-current power transmission line protection |
| CN203192560U (en) * | 2013-04-09 | 2013-09-11 | 南阳金冠电气有限公司 | Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester |
| CN203574343U (en) * | 2013-11-29 | 2014-04-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Piecewise adjustable arrester installation bracket |
| CN104599798A (en) * | 2014-12-12 | 2015-05-06 | 国家电网公司 | Direct current lightning arrester and system using the same |
| CN204706772U (en) * | 2015-06-24 | 2015-10-14 | 国网电力科学研究院武汉南瑞有限责任公司 | One ± 800kV extra high voltage direct current transmission line arrester device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427978A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Compound polymeric housed metal oxide arrester |
| CN106448977A (en) * | 2016-09-23 | 2017-02-22 | 国家电网公司 | Metal oxide arrester device for +/-660kV DC transmission line |
| CN106448976A (en) * | 2016-09-23 | 2017-02-22 | 国家电网公司 | High-altitude arrester for protecting +/-400kV DC transmission line |
| CN107134715A (en) * | 2017-05-10 | 2017-09-05 | 国家电网公司 | A kind of electric transmission line lightning arrester device and installation method |
| CN109326960A (en) * | 2018-11-26 | 2019-02-12 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of band the air gap suspended-type surge arrester and Allocation of Lightning Arrester method |
| CN109326960B (en) * | 2018-11-26 | 2024-05-14 | 国网电力科学研究院武汉南瑞有限责任公司 | Suspension type lightning arrester with air gap and lightning arrester configuration method |
| WO2021103017A1 (en) * | 2019-11-29 | 2021-06-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Method for limiting lightning-strike flashover of dc electricity transmission line |
| CN111091941A (en) * | 2019-12-27 | 2020-05-01 | 江西中南绝缘子有限公司 | Pillar insulator type lightning arrester for integral electrified railway |
| 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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Effective date of registration: 20160511 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute Applicant after: STATE GRID JIANGXI ELECTRIC POWER COMPANY Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 143 Applicant before: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute Applicant before: State Grid Corporation of China |
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Application publication date: 20150909 |