RT Journal Article T1 A comprehensive survey on fault tolerance in multiphase AC drives, part 2: phase and switch open-circuit faults A1 Gómez Yepes, Alejandro A1 González Prieto, Ignacio A1 López Sánchez, Óscar A1 Durán, Mario J. A1 Doval Gandoy, Jesús K1 3307 Tecnología Electrónica K1 3306 Ingeniería y Tecnología Eléctricas K1 2203 Electrónica AB Multiphase machines are very convenient for applications that require high reliability. In this two-part survey, the state of the art about fault tolerance in multiphase drives is reviewed. In Part 1, an overview including numerous fault types was presented, along with fundamental notions about multiphase drives. Here, in Part 2, the focus is placed on phase/switch open-circuit (OC) faults in particular, which have received the most attention in the literature. Phase OC failures involve OCs in stator phases or in converter-machine connections, and switch/diode OCs are frequently dealt with similarly or identically. Thanks to the phase redundancy of multiphase drives, their operation can be satisfactorily continued under a certain number of OCs. Nonetheless, the procedure to follow for this purpose is far from unique. For given OC fault conditions, numerous fault-tolerant possibilities can be found in the literature, each of them with different advantages and disadvantages. Moreover, a great variety of methods have also been devised to detect and diagnose phase/switch OC failures so that, as soon as possible, the most appropriate fault-tolerance measures are applied. Thus, given the broad literature about tolerance to phase/switch OC faults in multiphase drives, the survey presented here is expected to be of great interest for the research community and industry. PB Machines SN 20751702 YR 2022 FD 2022-03-21 LK http://hdl.handle.net/11093/3306 UL http://hdl.handle.net/11093/3306 LA eng NO Machines, 10(3): 221 (2022) NO Xunta de Galicia | Ref. ED431F 2020/07 DS Investigo RD 04-oct-2023