{{ /singly_excited_rotating_system_-_magnetica.png?500 }} [[/Singly excited rotating system]] whose [[/torque]] can be calculated from [[/coenergy]]. See also: [[/file/inductance_vs._angle_for_coenergy_example_-_magnetica.png]] The drawing was based on: * [[http://google.com/books?isbn=9781439878002|Turan Gonen, Electrical Machines with MATLAB, Second Edition, CRC Press, 2011, ISBN 9781439878002, p. 188-193]] singly_excited_rotating_system_-_magnetica.png {{page>insert/file-sz-cc}} {{tag>Coenergy Singly_excited_systems Rotating_machines Files}}