Apr 15, 2008 #1 engeskom Electrical Aug 5, 2004 7 0 0 ZA Why does a overhead line with same specs of underground cable have a higher voltage drop than the underground cable? Is it because of the more external factors that affects overhead lines?
Why does a overhead line with same specs of underground cable have a higher voltage drop than the underground cable? Is it because of the more external factors that affects overhead lines?
Apr 15, 2008 1 #2 cranky108 Electrical Jul 23, 2007 6,290 0 0 US The over head line has a lower Xc, which tends to increase the voltage. That's probally not the only reason, but that's part of it. Upvote 0 Downvote
The over head line has a lower Xc, which tends to increase the voltage. That's probally not the only reason, but that's part of it.
Apr 15, 2008 1 #3 dpc Electrical Jan 7, 2002 8,675 0 36 US Check the difference in the inductance of the overhead circuit versus the underground. Upvote 0 Downvote