Models of Electric Machines

Marc Bodson, Models of Electric Machines, independently published through Amazon,
ISBN: 979-8542675947, August 2022.

Available at:

Click here to download a pdf (partial)

Corrections: errata

Complementary material

Symbolic code used for some of the derivations

Doubly-fed induction machine (DFIM):model1_dfim.m
Wound-field synchronous machine:model2_wfsm.m
DFIM with delta connection:model3_dfim_delta.m
DFIM with 3-phase stator and 2-phase rotor:model4_dfim_3phs_2phr.m
DFIM with single-phase excitation:model5_dfim_ll_l2l.m
Three-phase induction machine operated as a two-phase machine:model6_3phto2ns.m
Hybrid motor:model7_hybrid.m
Brushless doubly-fed induction machine (BDFIM)

Matlab macro used for the numerical example of computation of inductances: bdfim_inductances.m
Matlab macro used for the numerical example of computation of a reduced-order model:
Simulink block diagram including the BDFIM complex model to simulate the operation as a synchronous generatorbdfim_model.mdl

This web page is maintained by Professor Marc Bodson, of the Department of Electrical and Computer Engineering at the University of Utah. Please see the University of Utah Web disclaimer. For questions or comments, please send an e-mail to

Last updated: November 26, 2023