Repairing Underground Powerlines
Practical Engineering - Repairing Underground Power Cables Is Nearly Impossible
What challenge does electrical arcing cause that overhead power-lines solve?
What challenges do underground lines face?
What is a high pressure fluid filled (HPFF) cable? How does it work?
Explain how the Scattergood line used fluid pumps to control heat.
Explain what went wrong with the LA power line that caused it to need to be replaced.
What role did liquid nitrogen play in the proposed fix?
Updated October 2021