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机器人“上线” 给百米高空电线除冰
近日，在凉山彝族自治州西昌市大箐乡，国网四川超高压公司使用除冰机器人进行特高压输电线路的除冰作业，
受寒潮天气影响，四川凉山彝族自治州西昌市部分特高压输电线路覆冰严重，特别是锦屏—苏南±800千伏特高压工程大箐梁子段，线路覆冰厚度一度超过12毫米。为了及时消除覆冰隐患，确保电网安全稳定运行，国网四川超高压公司决定采用除冰机器人进行除冰作业，这也是四川电网首次使用“无人机+除冰机器人”的组合方式进行高压输电线路的除冰作业。
操作人员使用大载重无人机搭载除冰机器人，将机器人送至输电线路上方。然后在地面发出遥控指令，控制除冰机器人沿着架空地线行走。除冰机器人采用前端震动锤与刀片冲击的双重作用方式，对裹在架空地线上的冰块进行快速清除。仅用了15分钟，该线路500米的架空地线覆冰隐患就被全部消除。这一高效、快捷的除冰方式，不仅大大提高了作业效率，还有效降低了作业人员的安全风险。
目前，国网四川超高压公司已启用340套覆冰在线监测装置，5架大型无人机和5台除冰机器人也随时待命，做好极端天气下24小时除冰准备。这将确保及时发现并消除线路覆冰隐患，全力保障电网安全稳定运行。
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