Thank you jghrist for referencing the previously discussed threads.
Can it be concluded that an SF6 breaker is recommended only because it hase lesser TRV's in comparison to a Vacuum Breaker while switching furnace loads?
Could there be any other reasons on making the choice of breaker due to...
On a current project we purchased slag cleaning furnace transformers rated 1500kVA and 2100kVA. The transformers have a 33kV delta connected primary and the secondary delta is closed by the elctrodes.
Prior to purchasing the 33kV switchgear, I had talked to manufacturer's of Vaccum Breakers and...
On a recent project I have had to use 33kV cables to distribute power to many island plants from the Main Receiving Susbstation (MRS). It should be noted that the 33kV power system has a solid ground connection.
My problem is related to the rating of the conductor screen...
a) Do I rate the...