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2 Bulletin of the Polish Academy of Sciences. Technical Sciences

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Comparative study of fault-tolerant performance of a segmented rotor SRM and a conventional SRM

Sun X., Xue Z., Han S., Chen L., Xu X., Yang Z.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2017

Vol. 65, nr 3

375--381

Due to the separation of magnetic field, electrical isolation and thermal isolation, motor drives possess a high fault-tolerance characteristic. In this paper, comparative study of mutual inductance between the proposed segmented rotor switched reluctance motor (SSRM) and the conventional switched reluctance motor (SRM) is carried out first, illustrating that the proposed SSRM has less mutual inductance between phases than the conventional SRM. In addition, if winding faults or power converter faults lead to phase failure, a comparative analysis on fault-tolerant performance under phase failure condition between the proposed SSRM and the conventional SRM is simulated in detail using the finite element method (FEM). Simulation results reveal that dynamic performance of the proposed SSRM, including output torque and phase current, is better than that of the conventional SRM. That is, the capacity of operating with the fault under phase failure condition in the proposed SSRM is superior to that in the conventional SRM.

Modelling and fault-tolerant control of 5-phase induction machine

Rolak M., Che H. S., Malinowski M.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2015

Vol. 63, nr 4

989--996

The paper presents modeling and analysis of a 5-phase induction machine connected to 2-level 5-leg converter in case of open-phase failure. A control of the machine is accomplished using the Field Oriented Control with hysteresis current controllers. Moreover, a fault-tolerant algorithm is addressed and simulated.