![]() ![]() The source of torque harmonics is also described. This paper introduces a new technique for torque ripple minimization in TCW PMSM. There are many optimization routines explained and implemented in the literature to improve the characteristics of this machine type. Permanent magnet synchronous machines (PMSMs) with fractional-slot non-overlapping windings, also known as tooth-coil winding PMSMs (TCW PMSM), have been under intensive research during the latest decade. An accurate analytical model is the result. The results are compared to FEM calculations. ![]() The analytical model is used for the inductance calculations of two prototype generators for the Peec-Power range extender. From the armature reaction flux the different inductance components, including the self-inductance with its main and leakage component and the mutual-inductance component can be determined. ![]() The machine winding configuration is then used to set up an armature reaction flux model. It does so by first deriving the machine optimal winding configuration. This method can be used for calculations of all possible slot pole combinations. This paper presents an analytical method for calculating the inductance components of these electrical machine types. However, the number of possible slot pole combinations for these machine types is countless. The usage of three phase permanent magnet (PM) machines with concentrated coil fractional pitch double layer windings, proofs to be very cost-effective for range extenders in the automotive sector. ![]()
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