2016
DOI: 10.1109/tpel.2015.2508142
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Abstract: The current imbalance between stator phase windings could shorten the motor life and affect the drive performance, whereas in case of multiphase drive applications, there is not a general current balance control strategy that can apply to symmetrical inverters with any phase number m. Based on the generalized Symmetrical Component Theory, this letter analyzed the values of relative symmetrical components of multiphase systems in balanced and unbalanced cases. Then developed from the conventional Rotor-flux Ori… Show more

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Cited by 24 publications
(11 citation statements)
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“…Finally, the generic n-form formulation of the Fortescue transformation has been also used for designing the control of multi-phase inverters, having as goal the reduction of the phase current unbalance due to the use of symmetrical n-phase inverters [79].…”
Section: Electrical Machinesmentioning
confidence: 99%
“…Finally, the generic n-form formulation of the Fortescue transformation has been also used for designing the control of multi-phase inverters, having as goal the reduction of the phase current unbalance due to the use of symmetrical n-phase inverters [79].…”
Section: Electrical Machinesmentioning
confidence: 99%
“…SC theory was first proposed in 1918 to analyze the steady-state performance under asymmetrical power supply [32], and it has been used widely in the multiphase drive applications [21,23,[33][34][35][36][37]. Because of the MMF coupling for the multiphase IM under open-phase faults, the torque cannot be decoupled using traditional multiphase Park transformation.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, based on the features of SCs under fault conditions, a robust fault detection method was proposed for a five-phase motor in [35]. In order to suppress low frequency current harmonics and improve the stability of the current controller, the positive and negative sequence currents related to all SCs are controlled in the rotating frame separately [36][37].…”
Section: Introductionmentioning
confidence: 99%
“…Multiphase systems are preferable for applications where high fault tolerance is required [8], such as for MEA applications, where electromechanical actuators (EMA) for control surfaces, fuel pumps, landing gears, environmental control systems and starter-generators need to be operated [9][10][11]. Apart from their intrinsic fault tolerance, other benefits of multiphase drives include a reduced current per phase (reducing copper losses and increasing efficiency) [4], noise and electromagnetic interference (EMI) minimization [12,13], higher power density and lower torque ripple [14], making them attractive for transport electrification. Among the multiphase topologies available in the scientific literature, star-connected five-phase technologies (Figure 1) can be highlighted, as they provide a good trade-off between system complexity and fault tolerance [15,16].…”
Section: Introductionmentioning
confidence: 99%