Calcs

Axial Flux Motor Design Tool

Design coreless or iron-cored AFPM motors with radial magnetic solutions and loss models. Compare diameter ratio, torque density, air-gap shear and direct-drive presets.

PM machine field: subdomain model

Magnetic field, cogging torque, back-EMF, inductance and torque of a surface-magnet machine with open radial slots and optional stator flux barriers, from an analytical subdomain model (Fourier series in each region, solved as one linear system).

Winding layout calculator

Three-phase winding scheme, linear and circular diagrams, winding factors and allowed parallel coil connections for tooth-coil and distributed windings.

Winding factor and MMF

Slot layout of an m-phase winding, winding factor and MMF spectra, and the MMF along the air gap as the currents turn (▶): the working wave travels with the rotor, the others at their own speeds, some backwards. Even numbers of phases and flux barriers in the stator yoke.

RC low-pass filter

Calculate the cutoff, gain, phase, Bode response, and step response of a passive first-order RC low-pass filter.

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