1. The problem statement, all variables and given/known data A three phase alternator has a phase sequence of RYB for its three output voltages. In case the field current is reversed, the phase sequence will become (A) RBY (B) RYB (C) YRB (D) none of the above. 2. Relevant equations Faraday's Right Hand Rule 3. The attempt at a solution I think the answer should be A. As in the sequence of generator voltage must change, as we're reversing field. But books says the sequence won't change. Even for motor it says that if we reverse field direction then motor rotation won't reverse. Can someone help as to why won't the direction or sequence change?