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Towards structural analysis of flux modulator in the magnetic gear

100%

Gabor R.

2017

tom z. 75

19--20

The article presents the structure of a magnetic gear and the preliminary results of modal analysis of the passive magnetic gear modulator with the 3D-printed plastic parts.

Direct torque control of doubly fed induction machine

88%

Bonnet F. , Vidal P. E. , Pietrzak-David M.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2006

tom Vol. 54, nr 3

307-314

This paper presents novel biconverter structure to supply the Doubly Fed Induction Machine (DFIM). Two Voltage Source Inverters (VSI) feed the stator and rotor windings. The outputs of two VSI are combined electromechanically in the machine and, as a result, novel features can be obtained. For example, for high power drive applications, this configuration use two inverters dimensioned for a half of the OFIM power. A new Dual-Direct Torque Control scheme is developed with flux model of DFIM. Two Switching Tables (ST) linked to VSI are defined for stator and rotor flux vector control. Experimental and simulation results confirm good dynamic behaviour in the four quadrants of the speed-torque plane. Moreover, experimental results show the correct flux vector control behaviour and speed tracking performances.