In case the direction of rotation of the alternator is reversed, the phase sequence will become

An alternator has a phase sequence of RYB for its phase voltage. In case the direction of rotation of the alternator is reversed, the phase sequence will become

Right Answer is:

RBY

SOLUTION

The phase sequence of an alternator can be reversed by interchanging any one pair of lines without causing any change in the supply sequence i.e changing RYB to RBY. Reversal of sequence results in reversal of the direction of rotation in case of an alternator.

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