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Signal-based Technique for Fault Detection and Isolation of Inverter Faults in Multi-phase Drives

Archive ouverte : Communication dans un congrès

Meinguet, Fabien | Sandulescu, Paul | Aslan, Bassel | Lu, Li | Nguyen, Ngac-Ky | Kestelyn, Xavier | Semail, Eric

Edité par HAL CCSD ; IEEE - Institute of Electrical and Electronics Engineers

International audience. A method for fault detection and isolation is proposed and applied to inverter faults in multi-phase drives. An analysis of simulations in faulty conditions leads to the derivation of suitable fault indices. These are based on the unbalance of the phase currents and their instantaneous frequency. The method is applied to a five-phase permanent-magnet synchronous machine drive. Simulations and experiments validate the proposed method.

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