Hi - In some cases we do have them, but in some other cases we don't. For the cases we don't, should we wait? IEEE C37.104-2012 "Guide for Automatic Reclosing of Circuit Breakers for AC Distribution and Transmission Lines" allows reclosing for underground transmission lines as long as the...
There is definetely arcing inside that transformer. Check the loading and correlate it to the dga being taken. Is the acetylene generation load dependent? If it is, you may have to limit the load on the bank until it is taken out of service for inspection, repaired or replaced.
Marmite above...
Hi,
Thanks for the reply. That is my understanding. Do you know of any books, web pages or documents that may explain what would be the maximum voltage spike a cable would see if re-energized within a short amount of time?
Thank you!
I am trying to research the requirement to wait or not a predetermined amount of time (“x” minutes) to re-energize an underground transmission line that was taken out of service (tripped) by a relay action.
The case I am after is the one where the cause of the outage or trip has been...
