CN102175955A - Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment - Google Patents
Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment Download PDFInfo
- Publication number
- CN102175955A CN102175955A CN2011100396541A CN201110039654A CN102175955A CN 102175955 A CN102175955 A CN 102175955A CN 2011100396541 A CN2011100396541 A CN 2011100396541A CN 201110039654 A CN201110039654 A CN 201110039654A CN 102175955 A CN102175955 A CN 102175955A
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- steel wire
- conductor
- high voltage
- windproof
- corona
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 239000004020 conductor Substances 0.000 title claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000004411 aluminium Substances 0.000 claims description 30
- 208000002173 dizziness Diseases 0.000 claims description 18
- 230000005684 electric field Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000004382 potting Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention relates to the technical field of long-duration induced withstand voltage test equipment for extra-high voltage and extreme high voltage transformers, in particular to a windproof corona-resistant expanded conductor for a withstand voltage test on extra-high voltage electrical equipment. The windproof corona-resistant expanded conductor is characterized by comprising a conductive steel wire and an aluminum spacing plate, wherein the conductive steel wire runs through a conductive steel wire mounting hole on the aluminum spacing plate; the number of the aluminum spacing plate may be one or more; a plurality of aluminum spacing plates are arranged on the conductive steel wire at the intervals of 2 to 3 meters; and ventilation holes are formed on the aluminum spacing plates. Due to the adoption of the conductive steel wire, the overall strength of the conductor is strengthened; due to the adoption of the 24-bundled conductor, wind resistance is remarkably reduced, and corona is greatly reduced; due to the adoption of the aluminum spacing plates, the weight of the conductor is reduced; the aluminum spacing plates are provided with the holes so as to reduce the overall weight of the conductor as well as the wind resistance. The windproof corona-resistant expanded conductor is proved by application to a field test to achieve remarkable improvements in electric field distribution and mechanical properties and have high popularization and application value.
Description
Technical field
Induced over voltage withstand test equipment technical field when the present invention relates to UHV (ultra-high voltage), extra-high voltage transformer length is specifically related to a kind of windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage).
Background technology
At present, the on-the-spot AC voltage withstand test of electrical equipment is whether whether checkout facility damage in transportation and install correct, whether cleanliness and the insulation of determining device interior reach the regulation requirement, the manufacturing of apparatus for checking and installation quality are guaranteed the effective ways that device security moves reliably thus.In recent years, progress along with the electric equipment AC voltage withstand test of UHV (ultra-high voltage) equipment manufacturing technology, the validity and the reliability of test also are greatly improved, and discovering device defective repeatedly in the test is for safe and reliable the putting into operation that guarantees the electric equipment of UHV (ultra-high voltage) provides technical guarantee.Usually in view of high-potting to environment requirement, that AC voltage withstand test generally is arranged in is fine, wind speed is moderate, carry out under the temperature adapt circumstance, does not carry out the AC voltage withstand test of the electric equipment of UHV (ultra-high voltage) under the weather conditions that the temperature difference is big, wind Da Sha is many.And the transformer station in the most of area of NORTHWEST CHINA is located on the desert of Gobi desert, and the temperature difference is big, and mostly dust storm is the notable feature that this is regional.Originally be used for the hole enlargement pressurization lead that the electric equipment ac voltage withstanding of UHV (ultra-high voltage) uses and under this kind weather conditions, exposed the deficiency that angle of wind deflection is big, vibration is violent, corona noise is big, and brought many unfavorable factors for on-the-spot AC voltage withstand test.
Summary of the invention
The objective of the invention is to avoid the deficiencies in the prior art part and a kind of windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage) is provided, thereby efficiently solve problems of the prior art.
For achieving the above object, the technical solution used in the present invention is: the described windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage), its characteristics are: described windproof anti-dizzy expanded diameter conductor comprises conduction steel wire and aluminium matter space disc, the conduction steel wire passes the conduction steel wire mounting hole on the aluminium matter space disc, aluminium matter space disc is single or multiple, a plurality of aluminium matter space discs are disposed on the steel wire, and spacing distance is 2～3 meters; Aluminium matter space disc is provided with air vent.
Described conduction steel wire quantity is 24, and the cross-sectional area scope is 3～5mm
2Described aluminium matter space disc diameter range is 40～60cm, and thickness range is 2～4mm.Air vent diameter range on the described aluminium matter space disc is 5～8cm.
The described windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage), its beneficial effect that has is: it adopts the steel wire lead, has improved the bulk strength of lead; Adopt 24 split conductors, windage significantly reduces, and corona reduces greatly; Adopt aluminium matter space disc, alleviated wire quality; After the perforate of aluminium matter space disc, promptly alleviate the lead total quality, reduced windage again.Every mechanical property of pressurization lead under the different weather conditions has been calculated in this invention, and the result has more specific aim; By utilizing the electric field problem of the many division pressurizations of electromagnetic field analysis method research lead, make achievement in research have more theoretical property, the range estimation of Cai Yonging, estimation means have more confidence level as compared with the past; By taking all factors into consideration multinomial factors such as pressurization conductor spacing dish, lead deadweight, Electric Field Distribution, succeeded in developing the windproof anti-dizzy expanded diameter conductor that the electric equipment withstand voltage test of UHV (ultra-high voltage) is used, the application verification of site test the present invention being significantly improved aspect Electric Field Distribution and the mechanical property, have highly application value.
Description of drawings
Fig. 1 is used for the structural principle synoptic diagram of the windproof anti-dizzy expanded diameter conductor of the electric equipment withstand voltage test of UHV (ultra-high voltage) for the present invention;
Wiring diagram when Fig. 2 tests for the present invention;
Fig. 3 process sequential chart that boosts when testing for the present invention.
Among the figure, 1, the conduction steel wire; 2, aluminium matter space disc; 3, air vent.
Below in conjunction with embodiment the present invention is further described.
Embodiment
Be described in further detail below in conjunction with most preferred embodiment:
Embodiment 1, as Fig. 1,2, the described windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage), its characteristics are: described windproof anti-dizzy expanded diameter conductor comprises conduction steel wire 1 and aluminium matter space disc 2, conduction steel wire 1 is worn the conduction steel wire mounting hole on the peraluminous space disc 2, and conduction steel wire mounting hole evenly is arranged on the edge of aluminium matter space disc 2, and aluminium matter space disc 2 is single or multiple, a plurality of aluminium matter space discs are disposed on the conduction steel wire, and spacing distance is 2 meters; Aluminium matter space disc 2 is provided with air vent 3.
Described conduction steel wire 1 quantity is 24, and cross-sectional area is 3mm
2Described aluminium matter space disc 2 diameters are 40cm, and thickness is 2mm.Air vent 3 diameter ranges on the described aluminium matter space disc 2 are 5cm.
Embodiment 2, and aluminium matter space disc is spaced apart 3 meters as different from Example 1; Conduction steel wire 1 cross-sectional area is 5mm
2Described aluminium matter space disc 2 diameters are 60cm, and thickness is 4mm.Air vent 3 diameters on the described aluminium matter space disc 2 are 8cm.
Embodiment 3, and aluminium matter space disc is spaced apart 2.5 meters as different from Example 1; Conduction steel wire 1 cross-sectional area scope is 4mm
2Described aluminium matter space disc 2 diameter ranges are 50cm, and thickness range is 3mm.Air vent 3 diameter ranges on the described aluminium matter space disc 2 are 7cm.
The described windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage), under complicated weather conditions, successively successfully finished the nearly AC voltage withstand test of 60 potting breakers of Dunhuang 750kV transformer station, Jiuquan 750kV transformer station, checked the quality of links such as potting breaker transportation, installation effectively, the equipment that guaranteed can put into operation with security and stability, test connection as shown in Figure 2, among the figure: Tr is a pressure regulator, T is an exciting transformer, L is a reactor, Ck is a voltage divider electric capacity, Cx is a test product, and CT is a current transformer; Close a floodgate in the withstand voltage test over the ground (three-phase also connects) withstand voltage; The pressurization of gate-dividing state one end, other end ground connection, boost process as shown in Figure 3: among the figure: UF is trial voltage UF=768kV, U is rated voltage U=800kV; Test figure such as table 1, table 2, table 3 and table 4:
Table 1 7550 switch withstand voltage test data
Temperature: 28 ℃; Wind-force: 2 grades
Table 2 7540 switch withstand voltage test data
Temperature: 23 ℃; Wind-force: 4 grades
By table 1 and table 2 as can be known, corona noise was little during windproof pressurization lead was tested at the scene, and 2 grades, fresh breeze power lower wire angle of wind deflection are little, windproof lead fine in windproof performance of falling aspect dizzy.
Table 3 7520 switch withstand voltage test data
Temperature: 18 ℃; Wind-force: 4 grades
Table 4 7540 switch withstand voltage test data
Temperature: 18 ℃; Wind-force: 3 grades
By table 3 and table 4 as can be known, corona noise was little during windproof pressurization lead was tested at the scene, and 3 grades, fresh breeze power lower wire angle of wind deflection are little, windproof lead fine in windproof performance of falling aspect dizzy.
Claims (4)
1. windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage), it is characterized in that: described windproof anti-dizzy expanded diameter conductor comprises conduction steel wire and aluminium matter space disc, the conduction steel wire passes the conduction steel wire mounting hole on the aluminium matter space disc, aluminium matter space disc is single or multiple, a plurality of aluminium matter space discs are disposed on the conduction steel wire, and spacing distance is 2～3 meters; Aluminium matter space disc is provided with air vent.
2. the windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage) as claimed in claim 1, it is characterized in that: described conduction steel wire quantity is 24, and the cross-sectional area scope is 3～5mm
2
3. the windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage) as claimed in claim 1, it is characterized in that: described aluminium matter space disc diameter range is 40～60cm, and thickness range is 2～4mm.
4. the windproof anti-dizzy expanded diameter conductor that is used for the electric equipment withstand voltage test of UHV (ultra-high voltage) as claimed in claim 1, it is characterized in that: the air vent diameter range on the described aluminium matter space disc is 5～8cm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110039654A CN102175955B (en) | 2011-02-17 | 2011-02-17 | Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment |
| CA2816373A CA2816373C (en) | 2011-02-17 | 2011-09-08 | Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment |
| PCT/CN2011/079456 WO2012109896A1 (en) | 2011-02-17 | 2011-09-08 | Wind resistant and anti-corona, diameter-expanded conductor for voltage withstand test of extra-high voltage electric power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110039654A CN102175955B (en) | 2011-02-17 | 2011-02-17 | Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102175955A true CN102175955A (en) | 2011-09-07 |
| CN102175955B CN102175955B (en) | 2012-09-05 |
Family
ID=44519160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110039654A Expired - Fee Related CN102175955B (en) | 2011-02-17 | 2011-02-17 | Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102175955B (en) |
| CA (1) | CA2816373C (en) |
| WO (1) | WO2012109896A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012109896A1 (en) * | 2011-02-17 | 2012-08-23 | 甘肃电力科学研究院 | Wind resistant and anti-corona, diameter-expanded conductor for voltage withstand test of extra-high voltage electric power equipment |
| CN103123815A (en) * | 2013-01-21 | 2013-05-29 | 中国电力科学研究院 | Diameter expansion connecting wire for outdoor extra-high voltage test |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866579B (en) * | 2021-11-24 | 2023-06-02 | 国网重庆市电力公司电力科学研究院 | Voltage transformer induction withstand voltage test method and device |
Citations (8)
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| WO2000079660A1 (en) * | 1999-06-16 | 2000-12-28 | Michael Paul Burt | Line organising device |
| US20030019661A1 (en) * | 1999-12-15 | 2003-01-30 | Seigi Aoyama | Composite conductor, production method thereof and cable using the same |
| CN2582118Y (en) * | 2002-11-11 | 2003-10-22 | 上海电缆研究所 | Expanding conductor |
| CN201319269Y (en) * | 2008-12-30 | 2009-09-30 | 安徽电缆股份有限公司 | Extended diameter steel-cored aluminum stranded wire |
| CN201383356Y (en) * | 2009-03-13 | 2010-01-13 | 江苏圣安电缆有限公司 | Expanding aluminium twisted wire |
| CN101834418A (en) * | 2010-05-19 | 2010-09-15 | 江苏捷凯电力器材有限公司 | Twelve-bundle conductor spacer |
| CN101847464A (en) * | 2010-04-22 | 2010-09-29 | 江苏通光强能输电线科技有限公司 | Low-corona lead expanded by using round wire-supported profile line |
| CN201955437U (en) * | 2011-02-17 | 2011-08-31 | 甘肃电力科学研究院 | Wind-protection corona-resistance expanding conducting wire used for withstand voltage test of ultrahigh pressure electric equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639040A (en) * | 1948-08-11 | 1950-06-21 | British Insulated Callenders | Improvements in electric conductors for high voltage overhead lines |
| FR2874284B1 (en) * | 2004-08-12 | 2006-10-20 | Electricite De France | DEVICE FOR REDUCING THE CROWN EFFECT BY MEDIUM WIRE |
| CN102175955B (en) * | 2011-02-17 | 2012-09-05 | 甘肃电力科学研究院 | Windproof corona-resistant expanded conductor for withstand voltage test on extra-high voltage electrical equipment |
-
2011
- 2011-02-17 CN CN201110039654A patent/CN102175955B/en not_active Expired - Fee Related
- 2011-09-08 CA CA2816373A patent/CA2816373C/en active Active
- 2011-09-08 WO PCT/CN2011/079456 patent/WO2012109896A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000079660A1 (en) * | 1999-06-16 | 2000-12-28 | Michael Paul Burt | Line organising device |
| US20030019661A1 (en) * | 1999-12-15 | 2003-01-30 | Seigi Aoyama | Composite conductor, production method thereof and cable using the same |
| CN2582118Y (en) * | 2002-11-11 | 2003-10-22 | 上海电缆研究所 | Expanding conductor |
| CN201319269Y (en) * | 2008-12-30 | 2009-09-30 | 安徽电缆股份有限公司 | Extended diameter steel-cored aluminum stranded wire |
| CN201383356Y (en) * | 2009-03-13 | 2010-01-13 | 江苏圣安电缆有限公司 | Expanding aluminium twisted wire |
| CN101847464A (en) * | 2010-04-22 | 2010-09-29 | 江苏通光强能输电线科技有限公司 | Low-corona lead expanded by using round wire-supported profile line |
| CN101834418A (en) * | 2010-05-19 | 2010-09-15 | 江苏捷凯电力器材有限公司 | Twelve-bundle conductor spacer |
| CN201955437U (en) * | 2011-02-17 | 2011-08-31 | 甘肃电力科学研究院 | Wind-protection corona-resistance expanding conducting wire used for withstand voltage test of ultrahigh pressure electric equipment |
Non-Patent Citations (2)
| Title |
|---|
| 《电力建设》 20100630 万建成等 扩径导线的分类与扩径方式的选择 113－118页 1-4 第31卷, 第6期 * |
| 《电线电缆》 20080831 王丽 两种扩径空心导线结构和性能的比较 13－14页 1-4 , 第4期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012109896A1 (en) * | 2011-02-17 | 2012-08-23 | 甘肃电力科学研究院 | Wind resistant and anti-corona, diameter-expanded conductor for voltage withstand test of extra-high voltage electric power equipment |
| CN103123815A (en) * | 2013-01-21 | 2013-05-29 | 中国电力科学研究院 | Diameter expansion connecting wire for outdoor extra-high voltage test |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2816373C (en) | 2018-12-11 |
| CA2816373A1 (en) | 2012-08-23 |
| WO2012109896A1 (en) | 2012-08-23 |
| CN102175955B (en) | 2012-09-05 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121109 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121109 Address after: Qilihe District of Gansu city in Lanzhou Province, 730050 West East Road No. 648 Patentee after: Gansu Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: Qilihe District of Gansu city in Lanzhou Province, 730050 West East Road No. 648 Patentee before: Gansu Electric Power Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20120905 Termination date: 20160217 |