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Figure 5-1 Maximum Allowed Motor Torque vs. Speed
MOTOR SPEED (%)
INVERTER DUTY
AND TENV MOTORS
0 10 20 30 40 50 60 70 80 90 100
MAXIMUM
ALLOWED
MOTOR
TORQUE %
100
80
60
40
20
0
FAN COOLED TEFC AND
OPEN VENTILATED MOTORS
If external fan cooling is provided, open ventilated motors can
also achieve an extended speed range at full rated torque.
A box fan or blower with a minimum of 100 CFM per HP
is recommended. Mount the fan or blower so the motor is
surrounded by the airflow. See Figure 5-2.
Figure 5-2 Open Ventilated Motor with External Fan Cooling
Summary of Contents for ID5601-EO
Page 18: ...18 Figure 2 3 Drive Layout ...