Vibration Analysis of Delta-Connected PMSMs Using Lookup Table-Based Models—Influence of the 0-Sequence Component

In this article, a multiphysics simulation workflow based on the use of reduced-order models to decrease computation time is presented. Using finite-element (FE) precomputed flux-linkage and lumped force lookup-tables in function dq0 currents rotor position, an electromagnetic model permanent-magnet synchronous machine (PMSM) developed. Coupled mechanical state-space representation, complete allows predict vibrations motor. our model, influence 0-sequence current vibration spectrum investigated. A detailed description parameter identification for homogenized stator core considered 12-slot 10-pole delta-connected fractional-slot concentrated-winding spoke-type PMSM also given. The numerical results are validated with experimental data at hand. Because large amount FE required, best suited optimization motor control schemes (instead initial design optimization) purpose reducing noise, vibration, harshness.