国家管网龙口南山LNG接收站110千伏永屺线投入使用
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摘要:110千伏永屺线为既有运行线路改造工程,新建4.5千米架空线路接续原熔河线和原海岛I线,接续完成后的线路整体重新命名为“110千伏永屺线”。110千伏永屺T接线由110千伏屺姆岛站外终端塔T接,与110千伏屺接线同塔双回布置,专供本项目使用。此改造工程涉及220千伏线路..

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110千伏永屺线为既有运行线路改造工程,新建4.5千米架空线路接续原熔河线和原海岛I线,接续完成后的线路整体重新命名为“110千伏永屺线”。110千伏永屺T接线由110千伏屺姆岛站外终端塔T接,与110千伏屺接线同塔双回布置,专供本项目使用。

此改造工程涉及220千伏线路跨越、原有线路改接及T接、行经采煤塌陷区等施工难点,在公司及供电单位的大力支持下,经过多次论证,最终确定安全可行的施工方案;建设过程中,公司明确人员分工,领导牵头带队,积极解决外协难题,抢抓施工窗口期,确保施工连续及送电安全。

110千伏永屺线正式投用后,项目供电实现双电源供电形式,全场电力系统全部切换至正常运行状态下的单母线分段运行方式,全面保证龙口南山LNG项目安全可靠用电。

110 kV Yongqi Line is an existing operational line reconstruction project. A new 4.5km overhead line has been built to connect the original Ronghe Line and the original Island Line I. After the connection is completed, the entire line has been renamed as "110 kV Yongqi Line". The 110 kV Yongqi T cable is connected by 110 kV Qimu Island Station outer terminal Tower T, and the 110 kV Qimu wire line is arranged in the same tower in double circle, exclusively for the use of this project.

This renovation project involves the construction difficulties of 220 kV line crossing, the original line conversion and T-connection, and the coal mining subsidence area. With the strong support of the company and the power supply unit, the safe and feasible construction plan is finally determined after many times of demonstration. During the construction process, the company clearly defined the division of labor, led the team, actively solved the problems of external cooperation, seized the construction window period, and ensured the continuous construction and power supply safety.

After the 110 kV Yongshan Line was officially put into use, the project has realized dual power supply, and the entire power system has been switched to the single bus section operation mode under normal operation, which fully ensures the safe and reliable power consumption of Longkou Nanshan LNG project.


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