11
MICROSPEED
REV 04/05
V1(ac) = Vmotor
0,9 x 1,36
VOLTAGE
: The primary voltage depends on the
available net voltage. The secondary voltage will be
calculated according to the motors characteristics and
according to the voltage drive range.
The value will be:
WARNING:Use the following scheme and
equation shown below to calculate the power
supply rating.
The drive doesnt need auxiliary voltage ,all of the voltages
requested come from an internal flyback.
A single or three phase transformer may be able to
supply one or more drives.
The drive has the internal zero signal connected
with the negative (power), consequently Don’t use auto
transformers.
The factory reccomends using transformers with the
secondary winding that must be delta/triangle-connected.
4.1 Power supply rating
Trasformer
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