This model simulates three phase induction motor model in rotor frame of reference.It is helpful in simulation of induction motor drives.
Electrical system equations:
Vs = Rs is + (1/wb) (dfs/dt) + wf M(pi/2) fs
where the variables is, vs, and fs are 2-dimensional space vectors and M(pi/2) represents a 90 degree space rotator namely [0 -1;1 0]
wf = wm + wr;
wr = Rr Lm/Lr (iqs / fdr)
1/wb Lr/Rr (dfdr/dt) + fdr = Lm ids
fqr = 0
The flux linkage current relations:
fs = Ls is + Lm ir
fr = Lm is + Lr ir
Ls= Lm + Lls;
Lr = Lm + Lrl
Mechanical system equations:
Te = 2H (dwm/dt) + Bm wm + Tl
where Te = Lm/Lr (iqs fdr)
Syed Abdul Rahman Kashif (2021). Induction motor model in rotor flux frame with three phase sinusoidal excitation (https://www.mathworks.com/matlabcentral/fileexchange/32394-induction-motor-model-in-rotor-flux-frame-with-three-phase-sinusoidal-excitation), MATLAB Central File Exchange. Retrieved .
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