Tacoma Power

Tacoma Power, Washington, U.S.A.

Some 4,800 feet of submarine cable from Tacoma Power, feeding 14 customers on tiny Ketron Island, was nearing the end of its design life. The utility decided to rejuvenate the underwater line before a fault occurred and has not experienced any faults in the now-guaranteed, rejuvenated cable.

Failure Causes III

Failure Causes III In my January 24th post, “Failure Causes I,” I provided a partial answer to an inquiry seeking to understand if rejuvenation technology was appropriate for the “many types of aging factors” from which his firm’s circuits might suffer. We learned that 39% or more of all circuit failures are component failures and…

Water Trees – Too Big to Fail?

Q: We had three cable samples sent out for testing from different areas. Each area has suffered multiple failures. We would like to have your opinion as to whether the injection process will be able to revive cables that have deterioration to this extent. Please send us any literature that you have, which can illustrate the extent of damaged cables and their successful rejuvenation.