Posts Tagged ‘electric poles’

Top 10 causes for power system failures (part2)

June 18th, 2015 | Make a comment | Posted in Electrical distribution
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Part 1 was about pure electricity, now discover the other causes which are quite surprising!

Tree Contact

power-system-failures-tree-contactTrees that grow very near to the electric poles can pose a lot of threats. They can fall on vital electrical erections during heavy storms, drop branches on conductors, couple two conductors together and can also provide access to various animals that can cause disturbances to the power supply.

This is the reason why most power distribution companies invest a lot of time and money in trimming dangerous trees as a part of preventive maintenance.

When a wet tree branch connects two conductors, current flows for one conductor the other, through the branch slowly.
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