Dec 29, 2006 #1 sky72 Electrical Mar 21, 2001 15 May i know why equipment short circuit rating for 500kV is 50kA/1sec not 50kA/3sec if compare to 275kV which is 31.5kA/3sec. Thanks.
May i know why equipment short circuit rating for 500kV is 50kA/1sec not 50kA/3sec if compare to 275kV which is 31.5kA/3sec. Thanks.
Dec 29, 2006 #2 davidbeach Electrical Mar 13, 2003 9,509 Any fault on a 500kV system that persisted for even 1 second would probably cause widespread instability. Also, compare the energy levels. Upvote 0 Downvote
Any fault on a 500kV system that persisted for even 1 second would probably cause widespread instability. Also, compare the energy levels.
