Page 68 - Industrial Power Engineering and Applications Handbook
P. 68
Duties of Induction
Motors
3.3 Periodic duties 3/5 1
1
Y (S3)
y with
y with
3.3.5 Coiitinuous duty wtth intermittent periodic loading
t and brake (S,) 3/53
odic Ypeed changes
3.3.9 Duty with discrete constant loads (SI") 3/55
Rating of short-time motors 3/S9
ored by the flywheel 316
f formulae used 3/67