Dw. Shimmin et al., MODELING AND STABILITY ANALYSIS OF A PERMANENT-MAGNET SYNCHRONOUS MACHINE TAKING INTO ACCOUNT THE EFFECT OF CAGE BARS, IEE proceedings. Electric power applications, 142(2), 1995, pp. 137-144
Several methods have been investigated for the computational and exper
imental determination of static and dynamic parameters of permanent-ma
gnet synchronous machines, based on a sixth-order-transient two-axis m
odel including the effect of cage bars. In addition to reviewing and c
omparing established methods, some new techniques are proposed with sp
ecial emphasis on the determination of stator leakage inductance and c
age-bar parameters, by computation and experiment. The equivalent-circ
uit model developed is suitable for the analysis of both steady-state
and dynamic behaviour. The results from different methods are compared
. The model is used to investigate the open-loop stability of the mach
ine's operation by means of computer simulation and experiment. The go
od agreement between simulated and experimental results for stability
boundaries confirms the validity of the proposed modelling methods.