Broken wire overvoltage usually happens in distribution power grid because the wires in such grid are easily damaged by outer forces due to the thinner conductors and lower wire pole.

断线过电压一般发生在配网中，与配网导线较细、杆塔较低、宜受外力破坏有关。

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Defending champions Sweden were eighth in their semi-final after Teodor Peterson slipped and broken a ski pole.

BBC: Norway power to men's sprint gold