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#26
April 25th 06, 02:50 PM
posted to rec.radio.shortwave
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To Telamon - From OP: New Receiving Antenna Comments, And Grounding Question
On Tue, 25 Apr 2006 04:52:54 GMT, m II wrote:
The cycles of each phase are out by that many electrical degrees in relation to each other. I've never seen 120V three wire 3 phase. The lowest voltage 3 phase 3 wire I've experienced is 208 volts. If there is a 'wye' connection with a central white leg, (3 phase 4 wire) then you will see 120 volts from a hot leg to this white (neutral) and 208 volts between any two hots. The numerical stuff is covered he http://encyclopedia.laborlawtalk.com/Three_phase The really scary math happens with major short circuits on a leg causing asymmetric fault currents. Uneven power factor loads in the phases can make some interesting vector diagrams.. it's been a while since school...sigh... mike Don't tell me, tell them. |
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