Connecting fitting in extra-high voltage transmission line
A technology for connecting hardware and ultra-high voltage, applied in the field of power transmission and transformation, can solve problems such as poor earthquake resistance, and achieve the effect of reliable connection
Active Publication Date: 2011-08-17
CHINA POWER ENG CONSULTING GRP +7
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AI Technical Summary
Problems solved by technology
For the connection between the UHV main equipment and the tubular aluminum conductor, the tubular aluminum conductor in the ultra-high voltage power grid will have the problem of poor earthquake resistance
[0004] It can be seen from the above that the existing power transmission equipment connecting the UHV main equipment and the tubular aluminum conductor has the disadvantage of poor earthquake resistance
Method used
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Embodiment Construction
[0033] An embodiment of the present invention provides a connecting fitting in an extra-high voltage transmission line.
[0034] In the embodiment of the present invention, a connecting fitting is used to realize a soft connection between the 1000kV UHV main equipment and the tubular aluminum conductor. In the embodiment of the present invention, the connecting fitting is referred to as a soft connecting fitting. Among them, the 1000kV UHV main equipment includes power transmission equipment such as HGIS, high voltage shunt reactor, lightning arrester and voltage transformer.
[0035] The flexible connection fittings between the UHV main equipment and the tubular aluminum conductor meet the reliability requirements of electrical and mechanical performance and the requirements of corona field intensity control.
[0036] The flexible connection fitting provided by the embodiment of the present invention includes: a tube female T-shaped clamp and at least one telescopic joint par...
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The embodiment of the invention provides a connecting fitting in an extra-high voltage transmission line, comprising a pipe master T-shaped line clamp connected with a pipe-shaped aluminum conductor and at least one expansion joint part connected with an extra-high voltage main apparatus. The expansion joint part comprises a retractable conductor and two non-retractable conductive plates; the retractable conductor is located between the two non-retractable conductive plates; and the pipe master T-shaped line clamp is spirally connected with the expansion joint part. The power transmission apparatus connected between the extra-high voltage main apparatus and the pipe-shaped aluminum conductor can resist shock and has attractive construction process by adopting the embodiment of the invention.
Description
technical field [0001] The invention relates to the technical field of power transmission and transformation, in particular to a connecting fitting in an extra-high voltage transmission line. Background technique [0002] In my country, the traditional ultra-high voltage power grid is relatively mature, but it is restricted by technology, environmental protection, land resources and other aspects in terms of improving power transmission capacity. In view of my country's power supply and demand situation and energy distribution, urgent requirements have been put forward for the construction of UHV power grids, which are being actively constructed. [0003] For the UHV power grid under construction, the size of the 1000kV UHV main equipment and support is doubled compared with the size of the EHV main equipment and support, wherein the 1000kV UHV main equipment includes a combined gas insulated switch (HGIS, Hybrid Gas Insulated Switchgear), high-voltage shunt reactors, light...
Claims
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IPC IPC(8): H02G5/00H01R4/48
Inventor 陈海波李宝金方静吴克芬邓长红梁学宇林海高进强穆华宁王强吴祎琼刘万英张景锋张光翔张飞胡劲松王静成韩迅利潘益华彭开军项力恒王代荣庞亚东高宏杰林伟明梁言桥许玉香黄晓明张涛刘晓瑞陈宏明
Owner CHINA POWER ENG CONSULTING GRP