Torque curves for synchronous motors (reluctance and hysteresis types) with marked values of pull-in torque and pull-out torque.
Graphs based on: Small motor, Gearmotor and Control Handbook, Bodine Electric Company, 5th edition, ISBN 9994675133, Chapter 2, AC Gearmotors and motors, p. 2-14, https://www.bodine-electric.com/Tools/Handbook.asp {accessed 19 Nov 2012}
pull_in_out_torque_magnetica.png
You are permitted and indeed encouraged to use this image freely, for any legal purpose including commercial, and with any modifications (the permission is hereby given, so there is no need to ask for it explicitly again), but you MUST always give the following credits:
S. Zurek, Encyclopedia Magnetica, CC-BY-4.0
We would appreciate if you let us know of any use: info@e-magnetica.pl