
Chapter 8 - Appendices
8 - 4
584S Frequency Inverter
Using Multiple Motors On A Single Drive
It is possible to use a single large inverter to supply several smaller motors provided that each individual motor has overload
protection.
The drive must be rated to supply the
total
motor current
. It is not sufficient to
simply sum the power ratings of the
motors, since the drive has also to supply
the magnetising current for each motor.
Note that the overload device will not
prevent the motor overheating due to
inadequate cooling at low speed. Force
vented motors may be required; consult
your motor supplier.
Caution
M
ULTIPLE MOTOR INSTALLATIONS SHOULD RESTRICT THE TOTAL CABLE LENGTH AS FOLLOWS
:
50
M WITH NO OUTPUT CHOKE FITTED
300
M WITH CHOKE AS RECOMMENDED IN
T
ABLE
A.1.
M1
M2
584S
OL1
OL2
M1/U M2/V M3/W
Fig. A.2 - Multiple Motors on a Single Drive
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Summary of Contents for 584S
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