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Permanent magnet synchronous motor losses minimization control with online parameter estimation

Biel Z., Vittek J., Hrkeľ M., Luft M.

TTS Technika Transportu Szynowego

2012

R. 19, nr 9

3091--3096, CD

This paper describes permanent magnet synchronous motor loss minimization control strategy. The motor parameters variations have substantial influence on optimal current calculation, therefore adaptive online estimation of stator resistance and q-axes inductance is designed. Minimization control method with on-line parameter estimation is explained including its block diagram. Possibility to estimate parameters during motor operation is verified by simulation. Simulation results confirm significant loss reduction if properly estimated parameters are used for optimal current calculation.