Coupling Effect on Unbalanced Voltages and Power Under Faulty Condition in Triple Three-Phase Wind Power Generators

A Novel, Simple, and Flexible Fault-Tolerant Control Algorithm for Multiphase Electrical Machine Operation Under Open Circuit Faults

“…For instance, the representation of the wave propagation evolution for a seven-phase system of currents in the cases of no-faults, open-circuit on phase no. 7, two open-circuits on phase no. 6-7 and three open circuits on phases no.…”

“…Therefore, an optimal compromise between safety and complexity is one important issue faced worldwide by many researchers in the recent literature, leading to the need of providing accurate algorithms capable of detecting fault conditions, allowing the machine to operate even in critical conditions during short-circuits or open-circuit of some of the phases supplied by the electrical drive. In this scenario, since when the first prototypes of multiphase machines were realized in the late '60s [5], several control strategies have been developed to detect and face fault conditions occurring in one or more phases of the machine, allowing the continuity of operation of the related drive system [6][7][8][9][10][11][12]. More in detail, two main categories of control strategies can be identified, covering the possible faults of different nature, such as Open Circuit Faults (OCF), Short Circuit Faults (CSF) between the interturns of the winding or at its terminals, and so on.…”

EMI challenges in modern power electronic-based converters: recent advances and mitigation techniques

“…A high-accuracy frequency equivalent model is formed by fitting the curve with a combination of resistance, inductance, and capacitance, but the accuracy of the model decreases at very high frequencies, such as those above tens of megahertz. The finite element method (FEM) usually establishes the 3D model of each component in finite element analysis software (Chen et al, 2018;Wu et al, 2023), utilizing the finite element calculation of the software application to determine the description matrix of the device parameters and combining with the physical model to determine the high-frequency equivalent model. This method is complex, timeconsuming, and highly dependent on software and computer performance (Kumaresan et al, 2021).…”