Hi everyone, i have a question or two about the phases of a 3 phase A.C. generator. I have read about and seen several sine wave charts that state the phases are seperated by 120 degrees, can someone explain this? i know the obvious that a circle is 360 degrees and that divided by 3 equals 120 degrees, but in my design the phases are 15 degrees apart. I am using a 8 magnet design ( following the rule there are one pair of magnets for every 3 coils ). The plotted results on a sine wave chart i drew give me 3 positive peaks followed by 3 negative peaks and repeats 3 more times for one revolution ( 4 voltage cycles per revolution). How does 120 degrees come into play? and my second question is: why is phase 2 connected in reverse? I will include a drawing of the stator so you can get an idea of what im talking about on the 15 degrees apart. Can anyone shed a little light on this?(adsbygoogle = window.adsbygoogle || []).push({});

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# A.C generator phase question

**Physics Forums | Science Articles, Homework Help, Discussion**