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WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR
5PHASE
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Answer Posted / eduardo
You are wrong. We can generate power in 4 or 5 phase or more
or even 2 or 1 phase. The reason we generate only 3 phase is
we don´t need 6 wire (1 to go and 1 to back) to carry the
power. We only need 3 wires. This is because if they are 3
and have 120º phase difference, and if the load in all the 3
phases is equal, the sum of the 3 return current is zero. So
we don´t need wires to "carry back" the current. This is
very economic, and are used in all the world.
There are several articles about it in the net. Try search
neutral current.
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