On Sun, 10 Aug 2008 10:27:31 +0100, Alan Melia wrote: >.... I note there lines have three "phase" feeds but no >neutral wire so they must use ground as the return path to any unbalance >currents.(?)
As long as the system is kept balanced a 3 phase energy transport system does not need a 4th wire as the sum of all the currents in the 3 wires (phase shift 120deg between the wires) is zero! regards Arnold, DK2WT _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
