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DC System Riddle No.4 - Substation dc system
In Substation they using ungrounded DC system...
either +ive line is opened or earth faulted the 220 V dc comes by -ive line. how 220V comes?
Author : Manikandan.K - From: India
 
#1
Sat, April 27th, 2013 - 11:38
Please more explain! 
Author : Site manager
 
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