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
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