Based on the analysis of electrical oil-filled equipment's oil level anomalies, we find out the reason of oil level abnormal, and the corresponding preventives and proposal are put forward.

充油设备油位异常是变电站运行中常见问题，通过对电力充油设备油位异常进行分析，找出油位异常的根本原因，并提出相应的解决措施和建议。

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Such anomalies can be introduced by underwater electrical cables, oil rigs, sea walls with iron framing and coastal condominiums, Lohmann said.

这种异常可能由电缆、石油钻井平台、带铁制框架的海中围墙和海边的公寓大楼导致，罗曼说。

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Late last month and early this month, oil officials noticed that some exposed electrical cables, running near farmland and powering their operation, had been severed.

石油官员们上月底和本月初发现，一些给油田供电的露天电缆在附近农田被切断。

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"Someone could attack the industrial control systems that control all the valves, all the distribution systems, and are used to turn on and off various aspects involved with energy and the electrical power grid and oil and gas distribution networks,".

VOA: standard.2009.08.11

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