Phase Sequence of rectifier power supply
Phase Sequence of rectifier power supply
(OP)
Why is it that the phase sequence of switch rectifiers are always ABC? Why can't it be ACB or CBA? Rotation of sequence will only affect motor rotations.





RE: Phase Sequence of rectifier power supply
RE: Phase Sequence of rectifier power supply
John Dunn
Ambertec, Inc.
RE: Phase Sequence of rectifier power supply
The ABC or RYB nomenclature, is to establish consistency so that operation and diagnostics is simpler.
Suppose there's a switch rectifier used in an soft start 3 ph motor control. If there's a failure of the starter, you'll contact the technical support or the trouble-shooting manual. It is easier for the manufacturer to guide you in terms of the phase names and indicator signals. For this, the convention used everywhere need to be the same.
Narayanan UM
umn@ieee.org