RT Journal Article T1 Fault-tolerant control of six-phase induction motor drives with variable current injection A1 González Prieto, Ignacio A1 Durán-Martínez, Mario Javier A1 Barrero, Federico K1 Motores de inducción K1 Tolerancia a los fallos (Informática) AB Three-phase machines are the industry standard for electrical drives, but the inherent fault tolerance of multiphase machines makes them an attractive alternative in applications requiring high reliability. For this reason, different fault-tolerant control schemes for multiphase drives have been recently suggested, proving their capability to perform a ripple-free operationafter an open-circuit fault occurrence. Nevertheless, the postfault strategies proposed so far consider a single mode of operationand do not allow a high-performance braking process in drives with unidirectional power flow where regenerative braking is notpossible. This paper first explores the possibility of enhancing the braking process by using a proper injection of circulating currents that prevent the active power to reach the dc-link capacitor. This novel strategy is then combined with minimum losses andmaximum torque criteria to obtain a variable current injection method that minimizes the drive derating, reduces the copperlosses, and improves the braking transients. Experimental results confirm the successful performance in the different zones for thecase of a six-phase induction motor drive. PB IEEE YR 2016 FD 2016-12-14 LK https://hdl.handle.net/10630/29912 UL https://hdl.handle.net/10630/29912 LA eng NO I. González-Prieto, M. J. Duran and F. J. Barrero, "Fault-Tolerant Control of Six-Phase Induction Motor Drives With Variable Current Injection," in IEEE Transactions on Power Electronics, vol. 32, no. 10, pp. 7894-7903, Oct. 2017 DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 20 ene 2026