Motor fed from xfmr
Motor fed from xfmr
(OP)
What problems can I expect if I wanted to energize a 480v-240v transformer to start a 240v motor from a level switch contact?
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RE: Motor fed from xfmr
Three-phase or single phase motor? Many motors can be connected for either 460 or 230 V.
David Castor
www.cvoes.com
RE: Motor fed from xfmr
Presume you mean a dedicated trafo supplying to the motor that is switchead on trafo primary side.
Generally speaking, the large voltage drop in the transformer during motor starting poses difficulty in terms of low voltage at the motor terminals (i.e. secondary terminals of trafo) and hence insufficient torque at the motor shaft. This can be overcome by choosing a fairly higher VA rated trafo (in comparison to the motor rating.
RE: Motor fed from xfmr
RE: Motor fed from xfmr
Keith Cress
kcress - http://www.flaminsystems.com
RE: Motor fed from xfmr