Dual three-phase permanent magnet synchronous motors (DTP-PMSMs) are particularly suitable for high-speed motors due to their medium-voltage, high-current characteristics and postfault-operation ability. However, the fault diagnosis process at high speed can greatly affect the normal operation. This paper proposes a generalized control scheme for DTP-PMSMs which is effective under both healthy and arbitrary open-phase fault (OPF) operations without changing control schemes. The voltage transfer error in the arbitrary phase and the control target confliction in z1-z2 subspace under OPF are both considered. Only Proportional Integral controllers are utilized in the proposed strategy to achieve simple implementation. Experiment results prove the effectiveness of the proposed strategy.
Generalized Control Scheme for Dual Three-Phase PMSM Under Normal and Postfault Operation
Zanchetta, Pericle
2025-01-01
Abstract
Dual three-phase permanent magnet synchronous motors (DTP-PMSMs) are particularly suitable for high-speed motors due to their medium-voltage, high-current characteristics and postfault-operation ability. However, the fault diagnosis process at high speed can greatly affect the normal operation. This paper proposes a generalized control scheme for DTP-PMSMs which is effective under both healthy and arbitrary open-phase fault (OPF) operations without changing control schemes. The voltage transfer error in the arbitrary phase and the control target confliction in z1-z2 subspace under OPF are both considered. Only Proportional Integral controllers are utilized in the proposed strategy to achieve simple implementation. Experiment results prove the effectiveness of the proposed strategy.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
