Abstract

This paper proposes two novel predictive current control (PCC) strategies for six-phase asymmetrical permanent magnet synchronous machines (PMSMs) with single neutral (1N) configuration. The first strategy uses a new set of virtual vectors with fixed amplitude that effectively reduces the harmonic components in six-phase machines with a 1N configuration. The second strategy uses variable amplitude virtual vectors, improving the performance of the drive in steady-state operation, and imposing a fixed switching frequency. Several simulation results are presented in order to assess the performance of the six-phase PMSM drive under the proposed control strategies.

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