CN203192560U - Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester - Google Patents
Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester Download PDFInfo
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- CN203192560U CN203192560U CN 201320173946 CN201320173946U CN203192560U CN 203192560 U CN203192560 U CN 203192560U CN 201320173946 CN201320173946 CN 201320173946 CN 201320173946 U CN201320173946 U CN 201320173946U CN 203192560 U CN203192560 U CN 203192560U
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Abstract
The utility model discloses a plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester which comprises a connected combination hardware fitting, an anti-corona ring assembly, arrester elements and an insulating base, wherein the insulating base is arranged at the lower ends of the arrester elements, each arrester element is composed of a composite jacket, a resistor disc stem, an insulating draw bar, a sealing mechanism and a pressure release mechanism, the insulating draw bar is arranged in the center of the arrester element, the resistor disc stem is formed by the parallel connection of 3-5 resistor disc columns, the circumferential side of each resistor disc column is provided with four glass fiber reinforced resins, and the lower end of the insulating base is provided with a fixed spring. The arrester disclosed by the utility model is arranged in a suspended installation mode, multiple arrester elements are connected in series, the flange of the composite jacket of each arrester element is connected in a six-hole connection mode, the inner side of the flange is of a tapered wedge structure, an insulating draw bar penetrating the upper and lower parts of the element is arranged in the element, and multiple resistor disc columns are connected in parallel and fixed sectionally, so that the arrester is compact in structure, reduced in volume, convenient for manufacturing and installing, high in tensile strength, and excellent in overall performance.
Description
Technical field
The utility model belongs to the technical field of high voltage power transmission and transforming, particularly a kind of ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester.
Background technology
As everyone knows, in ± 800kV extra-high voltage DC transmission system, the direct current lightning arrester is important protection equipment, and it is parallel in the circuit, is used for preventing that busbar voltage from making the relevant device infringement because thunder and lightning, operation etc. are too high.Be used for change of current dc fields utmost point bus lightning arrester at present, two kinds of structures are arranged usually, a kind of is to adopt a plurality of single-column elements series connection outer and be suspended on the dc bus, pressure relief device adopts the mode of opening explosion-proof groove at stack shell, as 4 and 6 string structures, the major defect of this lightning arrester is complicated integral structure, assembly difficulty, and its pressure release movement reliability and poor accuracy.Another kind of structure is to adopt seat formula structure, be composed in series by five joint elements, in the resistor disc and in composite sheath, the major defect of this lightning arrester is high to the bending strength requirement of composite sheath, the composite sheath internal diameter is bigger, the insulation barrel is thicker, and base is stressed big, and base is huge, the lightning arrester external diameter of making is bigger, especially anticorona ring, overall volume is huge, and it is big to take up room, transportation is deposited all inconvenient, cost increases suddenly, is 201220285156.5 utility model as on 01 02nd, 2013 disclosed publication number of Chinese patent for the 202650756U application number, and name is called a kind of 800kV extra-high voltage direct-current transmission engineering utmost point bus lightning arrester.
The utility model content
The utility model provide a kind of simple in structure, the insulating cylinder internal diameter is little and wall is thin, it is little to take up room, cost is low, transportation installation and convenient maintenance and replacement, good seal performance, and can reliably guarantee the normal operation of utmost point bus in the current conversion station ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester.
Realize that the technical scheme that the purpose of this utility model adopts is: a kind of ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, comprise the connection combination hardware fitting, anticorona ring assemblies, unit of an arrester and the insulator foot that is arranged on the unit of an arrester lower end, described unit of an arrester is by composite sheath, the resistor disc stem stem, insulated tension pole, sealing mechanism and pressure release mechanism are formed, described insulated tension pole is arranged on the unit of an arrester center, run through about the unit of an arrester, described resistor disc stem stem is composed in parallel by 3-5 resistor disc post, the all sides of each resistor disc post arrange some galss fiber reinforced resin rods, and described insulator foot lower end arranges fixing spring.
Described connection combination hardware fitting is made up of P type link plate, YL type pull bar and Z type link plate.
Described anticorona ring assemblies is made of the anticorona ring of the anticorona ring in top and middle part, and the anticorona ring in described top adopts double-decker, and the anticorona ring in described middle part adopts single layer structure.
The quantity of described unit of an arrester is 5, and the composite sheath flange of each unit of an arrester adopts six holes to connect, the inboard pyramidal structure that adopts of flange.
Described composite sheath is made up of insulation inner core, insulating coating, flange, sealing ring, and described insulation inner core adopts high strength glass fiber to strengthen the resin material product.
Described sealing mechanism is made of sealing ring, fluid sealant and sealing surface.
Described pressure release mechanism is made up of insulation air cavity, bursting diaphragm and flange row nock, and described insulation air cavity is positioned at described composite sheath, and described bursting diaphragm is made up of epoxy glass fiber layer and upper and lower copper sheet.
Of the present utility model ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, its beneficial effect is:
1) the unit of an arrester top arranges the connection combination hardware fitting, and lightning arrester top connects combination hardware fitting and is fixed on the pipe bus, adopts and hangs mounting means, reduce lightning arrester stressed to insulator foot, reduce the volume of insulator foot, therefore, the insulator foot quality is little, and it is little to take up room, and cost is low.The insulator foot lower end arranges fixing spring, and fixing spring is connected on lightning arrester base and the basis hook, prevents the lightning arrester large angle pendulum, and installation and maintain and replace are convenient.
2) described insulated tension pole is arranged on the unit of an arrester center, runs through about the unit of an arrester, has further improved the tensile strength of element.
3) the resistor disc stem stem is composed in parallel by 3-5 resistor disc post, each resistor disc post week side 4 galss fiber reinforced resins are set, compact conformation, volume reduces, make easy for installation, tensile strength height, overall performance excellence.
4) described connection combination hardware fitting is made up of P type link plate, YL type pull bar and Z type link plate, is high-strength forging quenched and tempered steel, the tensile strength height.
5) anticorona ring is made of the anticorona ring of the anticorona ring in top and middle part, the anticorona ring in top adopts double-decker, be positioned at the top of the 1st unit of an arrester in top, the anticorona ring in middle part adopts single layer structure, between the 1st unit of an arrester in top and the 2nd unit of an arrester, in order to reduce the discharge inception voltage of lightning arrester high-pressure side.
6) described composite sheath is by epoxy cylinder, silicon rubber, flange, sealing ring is formed, epoxy cylinder adopts high strength glass fiber to strengthen resin material, by integral injection molding fabrication techniques high-temperature silicon disulfide rubber overcoat, flange is loaded onto with epoxide-resin glue in two ends, flange adopts hexagonal structure, the bonding pad adopts the hole to connect, make the flange hot strength more become even, dark outer shallow tapered configuration in the flange inner chamber adopts, and on the conical surface, evenly slot, form the structure of falling the wedge behind the epoxy resin mucilage binding, increase the bonding strength of flange and insulating cylinder, between epoxy cylinder and flange, install sealing ring, guarantee the sealing property excellence of composite sheath.
7) all sides of each resistor disc post arrange 4 galss fiber reinforced resins, are used for the radial position of fixed resistance sheet post, increase the mechanical strength of resistor disc stem stem.
8) described pressure release mechanism is made up of insulation air cavity, bursting diaphragm and flange row nock, described bursting diaphragm is made up of epoxy glass fiber layer and upper and lower copper sheet, area is big, sealing is high, the insulation air cavity provides air cavity streamlined curved surface, guarantee that lightning arrester pressure discharges reliably, action is accurate, flange row nock has guaranteed the directivity of exhaust, avoids damaging adjacent electric equipment.
The utility model lightning arrester adopts and hangs mounting means, a plurality of unit of an arrester series connection, each unit of an arrester composite sheath flange adopts six holes to connect, and flange is inboard to adopt taper to carve the formula structure, and element internal has about the insulated tension pole perforation, the segmentation in parallel of multicolumn resistor disc post is fixed, compact conformation, volume reduces, and makes easy for installation, the tensile strength height, the overall performance excellence.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of unit of an arrester among Fig. 1.
Embodiment
As shown in Figure 1, of the present utility model ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, comprise and connect combination hardware fitting 1, anticorona ring assemblies 2, unit of an arrester 3 and the insulator foot 4 that is arranged on unit of an arrester 3 lower ends, described unit of an arrester 3 is by composite sheath 5, resistor disc stem stem 6, insulated tension pole 7, sealing mechanism and pressure release mechanism are formed, described insulated tension pole 7 is arranged on the unit of an arrester center, run through about the unit of an arrester, described resistance label 6 posts are composed in parallel by 3-5 resistor disc post, the all sides of each resistor disc post arrange 4 galss fiber reinforced resin rods 8, described insulator foot 4 lower ends arrange fixing spring 9, described connection is made up golden 1 tool by P type link plate 10, YL type pull bar 11 and Z type link plate 12 are formed, described anticorona ring assemblies 2 is made of the anticorona ring of the anticorona ring in top and middle part, the anticorona ring in described top adopts double-decker, the anticorona ring in described middle part adopts single layer structure, the quantity of described unit of an arrester 3 is 5, the flange 15 of the composite sheath 5 of each unit of an arrester adopts six holes to connect, pyramidal structure is adopted in the inboard of flange 15, described composite sheath 5 is by insulation inner core 13, insulating coating 14, flange 15, sealing ring 16-1 forms, described insulation inner core 13 adopts high strength glass fiber to strengthen the resin material product, described sealing mechanism is by sealing ring 16-2, fluid sealant 17 and sealing surface 18 are formed, described pressure release mechanism is by insulation air cavity 19, bursting diaphragm 20, flange row nock 21 is formed, described insulation air cavity 19 is positioned at described composite sheath 5, and described bursting diaphragm 20 adopts epoxy glass fiber layer and last, following copper sheet is formed.
Of the present utility model ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, its beneficial effect is: (1), unit of an arrester top arrange the connection combination hardware fitting, lightning arrester top connects combination hardware fitting and is fixed on the pipe bus, adopt to hang mounting means, reduce lightning arrester stressed to insulator foot, reduce the volume of insulator foot, therefore, the insulator foot quality is little, and it is little to take up room, and cost is low.The insulator foot lower end arranges fixing spring, and fixing spring is connected on lightning arrester base and the basis hook, prevents the lightning arrester large angle pendulum, and installation and maintain and replace are convenient.(2), described insulated tension pole is arranged on the unit of an arrester center, runs through about the unit of an arrester, further improved the tensile strength of element.(3), the resistor disc stem stem composes in parallel by 3-5 resistor disc post, each in resistor disc post week side 4 galss fiber reinforced resins are set, compact conformation, volume reduces, make easy for installation, tensile strength height, overall performance excellence.(4), described connection combination hardware fitting is made up of P type link plate, YL type pull bar and Z type link plate, is high-strength forging quenched and tempered steel, the tensile strength height.(5), anticorona ring assemblies is made of the anticorona ring of the anticorona ring in top and middle part, the anticorona ring in top adopts double-decker, be positioned at the top of the 1st unit of an arrester in top, the anticorona ring in middle part adopts single layer structure, between the 1st unit of an arrester in top and the 2nd unit of an arrester, in order to reduce the discharge inception voltage of lightning arrester high-pressure side.(6), described composite sheath is by the insulation inner core, insulating coating, flange, sealing ring is formed, the insulation inner core adopts high strength glass fiber to strengthen resin material, by integral injection molding fabrication techniques high-temperature silicon disulfide rubber overcoat, flange is loaded onto with epoxide-resin glue in two ends, flange adopts hexagonal structure, the bonding pad adopts the hole to connect, make the flange hot strength more become even, dark outer shallow tapered configuration in the flange inner chamber adopts, and on the conical surface, evenly slot, form the structure of falling the wedge behind the epoxy resin mucilage binding, increase the bonding strength of flange and insulating cylinder, between epoxy cylinder and flange, install sealing ring, guarantee the sealing property excellence of composite sheath.(7), each resistor disc post week side 4 galss fiber reinforced resin rods are set, be used for the radial position of fixed resistance sheet post, increase the mechanical strength of resistor disc stem stem.(8), described pressure release mechanism is made up of insulation air cavity, bursting diaphragm and flange row nock, described bursting diaphragm is made up of epoxy glass fiber layer and upper and lower copper sheet, area is big, sealing is high, the insulation air cavity provides air cavity streamlined curved surface, guarantee that lightning arrester pressure discharges reliably, action is accurate, flange row nock has guaranteed the directivity of exhaust, avoids damaging adjacent electric equipment.
The utility model lightning arrester adopts and hangs mounting means, a plurality of unit of an arrester series connection, each unit of an arrester composite sheath flange adopts six holes to connect, and flange is inboard to adopt taper to carve the formula structure, and element internal has about the insulated tension pole perforation, the segmentation in parallel of multicolumn resistor disc post is fixed, compact conformation, volume reduces, and makes easy for installation, the tensile strength height, the overall performance excellence.
Claims (7)
1. one kind ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: comprise the connection combination hardware fitting, anticorona ring assemblies, unit of an arrester and the insulator foot that is arranged on the unit of an arrester lower end, described unit of an arrester is by composite sheath, the resistor disc stem stem, insulated tension pole, sealing mechanism and pressure release mechanism are formed, described insulated tension pole is arranged on the unit of an arrester center, run through about the unit of an arrester, described resistor disc stem stem is composed in parallel by 3-5 resistor disc post, the all sides of each resistor disc post arrange some galss fiber reinforced resin rods, and described insulator foot lower end arranges fixing spring.
2. as claimed in claim 1 ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: described connection combination hardware fitting is made up of P type link plate, YL type pull bar and Z type link plate.
3. as claimed in claim 1 ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: described anticorona ring assemblies is made of the anticorona ring of the anticorona ring in top and middle part, the anticorona ring in described top adopts double-decker, and the anticorona ring in described middle part adopts single layer structure.
4. as claimed in claim 1 ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: the quantity of described unit of an arrester is 5, the composite sheath flange of each unit of an arrester adopts six holes to connect, the inboard pyramidal structure that adopts of flange.
5. as claimed in claim 1 ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: described composite sheath is made up of insulation inner core, insulating coating, flange, sealing ring, and described insulation inner core adopts high strength glass fiber to strengthen the resin material product.
6. as claimed in claim 1 ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: described sealing mechanism is made of sealing ring, fluid sealant and sealing surface.
7. as claimed in claim 1 ± 800kV extra-high voltage direct-current utmost point bus suspended-type surge arrester, it is characterized in that: described pressure release mechanism is made up of insulation air cavity, bursting diaphragm and flange row nock, described insulation air cavity is positioned at described composite sheath, and described bursting diaphragm is made up of epoxy glass fiber layer and upper and lower copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173946 CN203192560U (en) | 2013-04-09 | 2013-04-09 | Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173946 CN203192560U (en) | 2013-04-09 | 2013-04-09 | Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester |
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| Publication Number | Publication Date |
|---|---|
| CN203192560U true CN203192560U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320173946 Expired - Lifetime CN203192560U (en) | 2013-04-09 | 2013-04-09 | Plus/minus 800kV EHV (extra-high voltage) direct-current pole suspended arrester |
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| CN (1) | CN203192560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106129951A (en) * | 2016-07-07 | 2016-11-16 | 南阳金冠电气有限公司 | Hybrid connections formula structure for installing lightning arrester |
| CN110277205A (en) * | 2019-07-08 | 2019-09-24 | 国网新疆电力有限公司检修公司 | A kind of high-voltage arrester with storage glue moisture seal structure |
-
2013
- 2013-04-09 CN CN 201320173946 patent/CN203192560U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106129951A (en) * | 2016-07-07 | 2016-11-16 | 南阳金冠电气有限公司 | Hybrid connections formula structure for installing lightning arrester |
| CN106129951B (en) * | 2016-07-07 | 2018-08-24 | 南阳金冠电气有限公司 | Hybrid connections formula structure for installing lightning arrester |
| CN110277205A (en) * | 2019-07-08 | 2019-09-24 | 国网新疆电力有限公司检修公司 | A kind of high-voltage arrester with storage glue moisture seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 474530 Neixiang County Industrial Park, Nanyang, Henan Patentee after: JINGUAN ELECTRIC Co.,Ltd. Address before: 473000 Nanyang high tech Development Zone, Henan Patentee before: NANYANG JINGUAN ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |