CN101847470B - Ultra-high voltage outdoor bar-shaped porcelain support insulator - Google Patents
Ultra-high voltage outdoor bar-shaped porcelain support insulator Download PDFInfo
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- CN101847470B CN101847470B CN2009100108871A CN200910010887A CN101847470B CN 101847470 B CN101847470 B CN 101847470B CN 2009100108871 A CN2009100108871 A CN 2009100108871A CN 200910010887 A CN200910010887 A CN 200910010887A CN 101847470 B CN101847470 B CN 101847470B
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- porcelain
- high voltage
- umbrella
- porcelain element
- support insulator
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- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 44
- 239000012212 insulator Substances 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The invention provides an ultra-high voltage outdoor bar-shaped porcelain support insulator, aiming to solve the technical problem that the 500 kv and 750 kv voltage-class bar-shaped porcelain support insulator is not applicable to a 1000 kv alternating-current ultra-high voltage power grid. The invention is characterized in that the support insulator is composed of five equal- height porcelain elements, the height of each porcelain element is 2 m, the diameter of the main body of the last porcelain element is 310-330 mm, and the outer diameter of the upper equalizing ring is 2000-2800 mm. The invention is applicable to 1000 kv alternating-current ultra-high voltage power transmission engineering.
Description
Technical field
The invention belongs to the porcelain strut insulator technical field, what be specifically related to is to be applicable to that 1000kV AC extra high voltage power transmission engineering, bending strength reach the interchange bar-shaped porcelain support insulator of 16kN, is mainly used in the insulation and the mechanical support effect of the equipment such as bus pillar, isolating switch pillar, trap pillar and air core reactor pillar of electric substation's power distribution equipment and electric plant in the 1000kV of the State Grid Corporation of China AC extra high voltage power transmission engineering.
Background technology
Carry out 1000kV AC extra high voltage power grid construction, research and develop the UHV transmission technology, help improving the manufacture level of China and even world's power transmission and transforming equipment, advance the power transmission and transformation development of technology.China has included the development of UHV transmission technology and equipment in national medium-term and long-term science and technology development planning, and this commencement of works construction will be filled up the blank of China's hundred ten thousand volts electric pressures.The development extra-high voltage grid is the great strategic choice of China's energy industry sustainable development, has significant facilitation to building a Harmonious Society.
China is applicable to 500kV, 750kV electric pressure bar-shaped porcelain support porcelain insulator at present, and it is made up of the porcelain element of three joints or four joints; Every joint porcelain element forms by the cement glue mucilage binding by porcelain spare and upper and lower flange, is fastenedly connected by flange between each porcelain element; The height of every joint porcelain element is 1.4～1.7 meters; Wherein the diameter of minor details porcelain element body is 250mm.The bar-shaped porcelain support insulator of such structure, height and intensity can't be useful on the 1000kV AC extra high voltage electrical network, and because the external diameter of last grading ring is too little, is unfavorable for improving the Electric Field Distribution at bar-shaped porcelain support insulator top.
Summary of the invention
For overcoming the deficiency of prior art, the object of the present invention is to provide a kind of 1000kV AC extra high voltage power transmission engineering, bending strength of being applicable to reach the ultra-high voltage outdoor bar-shaped porcelain support insulator of 16kN.
The object of the present invention is achieved like this: it comprises porcelain element and upper and lower grading ring, each saves between the porcelain element and is fastenedly connected by flange, it is characterized in that: it has the contour porcelain element of five joints, the height of every joint porcelain element is 2 meters, the diameter of wherein going up five joint (minor details) porcelain element bodies is 310-330mm, and the external diameter of last grading ring is 2000-2800mm.
By taking above-mentioned measure, mechanical performance of the present invention and electric property have been improved greatly, specifically be to have improved insulation level, improved the Electric Field Distribution at insulator top, improved support strength, be applicable to 1000kV AC extra high voltage power transmission engineering fully, guaranteed the security reliability of transmission system and the reliability of insulator long-time running, filled up the blank of China power transmission and transformation industry 1000kV electric pressure product.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the beveled structure schematic diagram of Fig. 1.
Embodiment
As shown in Figure 1, this bar-shaped porcelain support insulator is connected successively by upper and lower flange 3 and cement glue with lower uniform pressure ring 4 by last grading ring 1, the contour porcelain element 2 of five joints and constitutes, and the height of every joint porcelain element is 2 meters.The main body footpath φ C1 that wherein goes up a joint porcelain element is 165-200mm, all selects 185mm, and gamp directly is φ 325mm; The main body footpath φ C2 of last two joint porcelain element porcelain elements 5 are 200-240mm, all select 225mm, and gamp directly is φ 365mm; The main body footpath φ C3 of last three joint porcelain elements are 240-280mm, all select 260mm, and gamp directly is φ 400mm; The main body footpath φ C4 of last four joint porcelain elements are 280-310mm, all select 290mm, and gamp directly is φ 430mm; The main body footpath φ C5 of last five joint porcelain elements are 310-330mm, all select 320mm, and gamp directly is φ 460mm; All flange is all selected the QT450-10 material for use, and a joint porcelain element top is φ 300-8-φ 18mm on above-mentioned flange mounting hole centre-to-centre spacing-hole count-aperture; A last joint and last two joint junctions are φ 300-8-φ 18mm; Last two joints and last three joint junctions are φ 375-8-φ 18mm; Last three joints and last four joint junctions are φ 425-12-φ 22mm; Last four joints and last five joint junctions are φ 460-12-φ 22mm; Last five joint porcelain element lower portions are φ 460-12-3-φ 22mm; Upper and lower grading ring is all selected the LF21 material for use, and the ring external diameter φ D1 of grading ring 1 is 2000-2800mm, all selects 2440mm, and height E1 is 580-980mm, all selects 780mm, and endless tube footpath F1 is 160-260mm, all selects 200mm; The ring external diameter φ D2 of grading ring 4 is 900-1800mm, all selects 1300mm, and height E1 is 200-450mm, all selects 280mm, and endless tube footpath F1 is 70-160mm, all selects 100mm; The above-mentioned umbrella shape that respectively saves the porcelain element all adopts a gamp one umbellule, the umbrella anti-pollution type light umbrella structure of no rib down.Having provided gamp among Fig. 2, to stretch out value H1 be 65-80mm, all is chosen as 70mm; It is 50-65mm that umbellule stretches out value H2, all is chosen as 52mm.Umbrella top rade J is 16 °-20 °, all is chosen as 18 °.Umbrella angle of declination I is 6 °-10 °, all is chosen as 8 °.Umbrella spacing G is 65-80mm, all is chosen as 69mm.
Properties of product of the present invention are as follows:
(1) nominal voltage of a system: 1000kV;
(2) the highest working voltage of system: 1100kV;
(3) system's rated frequency: 50Hz;
(4) product type: ZSW1-1100/16
(5) product code name: 229810;
(6) the bending failure load is not less than 12.5～20kN, and the torque failure load is not less than 10～20kNm;
(7) creepage distance: 30250～33880mm, creepage than distance: 25～28mm/kV;
(8) standard lightning impulse withstand voltage: 2400kV (peak value);
(9) standard switching impulse wet withstand voltage: 1800kV (peak value);
(10) power frequency wet withstand voltage: 1300kV (effective value) under the specified 1min;
(11) under 699kV voltage, 1MHz frequency, radio interference voltage is not more than 500 μ V;
(12) artificial filthy power-frequency withstand voltage test under 699kV voltage:
Salt is close: 0.08mg/cm
2, ash is close: 0.5mg/cm
2
Claims (1)
1. ultra-high voltage outdoor bar-shaped porcelain support insulator, it comprises porcelain element and upper and lower grading ring, each saves between the porcelain element and is fastenedly connected by flange, it is characterized in that: it has the contour porcelain element of five joints, the height of every joint porcelain element is 2 meters, the diameter of wherein going up five joint porcelain element bodies is 310-330mm, and the external diameter of last grading ring is 2000-2800mm, and the ring external diameter of lower uniform pressure ring is 900-1800mm; The umbrella shape of described porcelain element all adopts a gamp one umbellule, the umbrella anti-pollution type light umbrella structure of no rib down; It is 65-80mm that gamp stretches out value H1, and it is 50-65mm that umbellule stretches out value H2, and umbrella top rade J is 16 °-20 °, and umbrella angle of declination I is 6 °-10 °, and umbrella spacing G is 65-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100108871A CN101847470B (en) | 2009-03-27 | 2009-03-27 | Ultra-high voltage outdoor bar-shaped porcelain support insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100108871A CN101847470B (en) | 2009-03-27 | 2009-03-27 | Ultra-high voltage outdoor bar-shaped porcelain support insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101847470A CN101847470A (en) | 2010-09-29 |
| CN101847470B true CN101847470B (en) | 2011-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100108871A Active CN101847470B (en) | 2009-03-27 | 2009-03-27 | Ultra-high voltage outdoor bar-shaped porcelain support insulator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050199B (en) * | 2012-12-27 | 2016-04-13 | 中材高新材料股份有限公司 | Exchange 1100kV high strength hollow porcelain insulator and preparation method thereof |
| CN103219109A (en) * | 2013-05-10 | 2013-07-24 | 湖南省醴陵市浦口华高电瓷电器有限公司 | Adhesion method of 500Kv porcelain sleeve |
| CN103617887B (en) * | 2013-11-27 | 2016-09-21 | 江苏思源赫兹互感器有限公司 | A kind of high-voltage power capacitor |
| WO2020093260A1 (en) * | 2018-11-07 | 2020-05-14 | 江苏思源赫兹互感器有限公司 | High-voltage power capacitor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467387A (en) * | 1982-09-30 | 1984-08-21 | General Electric Company | Combination strut insulator and lightning arrester |
| CN2123808U (en) * | 1992-04-09 | 1992-12-02 | 清华大学 | High-voltage combined insulator for insulating support |
| CN2202961Y (en) * | 1994-08-13 | 1995-07-05 | 郭晨曦 | Plateau type bar insulator for ac 25 KV electric railway |
| CN2420715Y (en) * | 2000-04-14 | 2001-02-21 | 东莞市高能实业公司 | Pressure balancing ring for synthesizing insulator |
| CN201199469Y (en) * | 2008-04-24 | 2009-02-25 | 抚顺电瓷制造有限公司 | DC claviform pillar ceramic insulator |
| CN201413748Y (en) * | 2009-03-27 | 2010-02-24 | 抚顺电瓷制造有限公司 | Ultra-high voltage outdoor rod-shaped ceramic post insulator |
-
2009
- 2009-03-27 CN CN2009100108871A patent/CN101847470B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467387A (en) * | 1982-09-30 | 1984-08-21 | General Electric Company | Combination strut insulator and lightning arrester |
| CN2123808U (en) * | 1992-04-09 | 1992-12-02 | 清华大学 | High-voltage combined insulator for insulating support |
| CN2202961Y (en) * | 1994-08-13 | 1995-07-05 | 郭晨曦 | Plateau type bar insulator for ac 25 KV electric railway |
| CN2420715Y (en) * | 2000-04-14 | 2001-02-21 | 东莞市高能实业公司 | Pressure balancing ring for synthesizing insulator |
| CN201199469Y (en) * | 2008-04-24 | 2009-02-25 | 抚顺电瓷制造有限公司 | DC claviform pillar ceramic insulator |
| CN201413748Y (en) * | 2009-03-27 | 2010-02-24 | 抚顺电瓷制造有限公司 | Ultra-high voltage outdoor rod-shaped ceramic post insulator |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-245028A 1995.09.19 |
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| Publication number | Publication date |
|---|---|
| CN101847470A (en) | 2010-09-29 |
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