Appendix E Selection of Motor
Appendix E Selection of Motor
a. Standard Motor
a. Must be used the 3-phase induction motor as load.
b. Motor cannot run at the low-speed operation for a long time because the
cooling fan speed can be decreased as well as the motor temperature can be
increased. For the long-time and low-speed operation, use the
variable-frequency motor with the independent cooling fan.
c. Standard 3-phase induction motor (NEMA B) characteristics as follows:
d. When the motor speed exceeds the rated speed(50/60HZ), the torque will be
decreased while the motor speed increasing.
e. Check the motor insulation. The standard requirement is 500V (or 1000V) /
100MΩ above.
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