Configuring
2.3 Selecting and dimensioning induction motors
1PM6/1PM4 Hollow-Shaft Motors for Main Spindle Drives
32
Configuration Manual, PPMS, 04/2008, 6SN1197-0AD23-0BP0
2.3.7
Sample configuration
Moment of inertia J of motor + load = 0.2 kgm
2
, friction is negligible. The application requires
the drive to operate continuously in the periodic duty cycle shown in the diagram below.
0RWRUWRUTXHFXUYH
Q>USP@
7UDYHOFKDUWVSHHG
ILQLVKLQJ
W>V@
0/>1P@
1P
W>V@
W>V@
/RDGF\FOHJUDSK
7LPHLQVHFRQGV
URXJKLQJ
7
URXJKLQJ
V
7
ILQLVKLQJ
V
7 V
0>1P@
1P
1P
1P
1P
1P
1P
1P
1P
1P
1P
1P
<FLUFXLW
FLUFXLW
1P
1P
Figure 2-4
Periodic duty cycle