Electric Machines Isogeometric Analysis
Isogeometric Analysis (IGA) simulation of electric machines: PMSM combined shape/parameter optimization & 4.4 kW Induction Machine (IM) characterization and startup (CREATOR / Weiss & Wiesheu 2024).
Electric machines
Electric motor design and use: PMSM, IPMSM, SPM, SynRM, BLDC, axial-flux, induction and DC machines, winding layouts, winding factors and MMF, efficiency maps, stepper torque-speed curves, motor starting methods and run capacitors for motors on single phase. Each calc shows its method and published sources.
Magnet Eddy Current Loss and Rotor Magnet Segmentation
Wired White v2 Solve 2D magnetic diffusion for slot and PWM harmonics. Compare circumferential and axial magnet segmentation, find the fewest pieces meeting a loss target, and estimate magnet temperature.
IPMSM MTPA, Field Weakening and MTPV Current Trajectory
Wired White v2 Find id and iq references from Ld, Lq, magnet flux and inverter limits. Explore MTPA, field weakening, MTPV and the torque–speed and power–speed envelopes.
Cogging Torque: Slot–Pole, Magnet Width and Skew
Wired White v2 Compare slot–pole combinations, ideal magnet-width cancellation points and continuous skew. Calculate harmonic attenuation and scale a measured or FEM torque amplitude.
Motor Thermal Network: Winding & Hot-Spot Temperature
Wired White v2 Calculate motor winding, frame and hot-spot temperatures from losses and duty cycle. Compare warm-up with the settled repeating cycle using a two-node thermal network.
Motor Shaft Voltage & Bearing Currents Calculator
Wired White v3 Estimate shaft voltage, bearing voltage ratio and bearing currents in inverter-fed motors. Compare insulation, grounding brushes and common-mode filtering.
Motor Thermal Protection, Stall Time & Voltage Unbalance
Wired White v3 Model motor thermal capacity over starts, overloads and cooling. Compare hot/cold stall limits and estimate negative-sequence heating and voltage-unbalance derating.
PMSM Motor Design Tool
PMSM motor design tool with winding layout synthesis, back-EMF, torque, losses, and animated rotating field stator diagram.
Stepper Motor Torque-Speed Calculator: Driver Voltage & Resonance
Wired White v2 Compare stepper torque-speed estimates at maximum-torque alignment and driver voltages. Includes load inertia, L/R current rise, microstep torque and resonance.
Steinmetz Capacitor: Three-Phase Motor on Single Phase
Wired White v2 Size a Steinmetz run capacitor at a chosen load using a motor circuit model. Check starting capacitance, capacitor voltage, winding currents and available power.
Concentrated Winding Calculator: Layout, Winding Factor & MMF
Wired White v2 Design tooth-coil windings for 12N14P, 24N22P and other slot/pole combinations. Get phase letters, winding factors, MMF harmonics, cogging indicators and star/delta lead schedules.
Motor Starting Calculator: DOL vs Star-Delta vs Soft Starter
Wired White v2 Compare DOL, star-delta, soft-starter and autotransformer starts. Estimate motor current, torque, acceleration time and supply dip, then check feeder drop and overload settings.
Ceiling Fan & Pump Motor Capacitor Calculator: PSC Run µF
Wired White v2 Match a PSC motor run capacitor or estimate its 90° current-split target from winding impedances. Compare µF, AC voltage ratings and animated winding-current phasors.
PMSM Efficiency Map Calculator
Wired White v2 Calculate a minimum-loss PMSM efficiency map from public nonlinear flux and loss data. Explore current and voltage limits, MTPA/MTPV guides, scaling and optional PWM losses.
BLDC Motor Design Calculator: Winding, Kv, Kt and Losses
Wired White v2 Size a star-connected BLDC winding, convert Kv and Kt, and check torque, voltage headroom, copper losses and slot fill. Includes a speed envelope and six-step commutation animation.
DC Motor Design Tool: Speed, Torque and Efficiency
Wired White v2 Calculate brushed DC motor speed, torque, current and efficiency from datasheet or winding data. Explore operating curves, voltage sizing, field estimates and commutation.
Axial Flux Motor Design Tool
Wired White v3 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.
Induction Motor Design & Equivalent Circuit Calculator
Wired White v2 Size air-gap, tooth and yoke magnetic loading; calculate motor torque, current, efficiency and losses. Enter circuit parameters or estimate them from catalogue data.
IPMSM Design Tool: Ld, Lq, MTPA and Field Weakening
Wired White v2 Estimate IPMSM flux linkage and saturating dq inductances, then explore MTPA, field weakening and voltage-limited torque with Prius reference checks.
SynRM Design Tool — Flux Barriers, dq Torque and Ripple
Wired White v2 Size circular flux barriers and estimate SynRM saliency, dq flux, torque and voltage. Compare known inductances and assess ripple from an entered harmonic spectrum.
SPM-PMSM Design Calculator: Back EMF and Cogging Torque
Wired White v2 Design a surface PMSM with semi-closed slots. Calculate air-gap field, back EMF, cogging torque, inductance and active length using a verified 2D subdomain model.
PM machine field: subdomain model
Wired White v1 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
Wired White v1 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
Wired White v1 Slot layout of an m-phase winding, winding factor and MMF spectra, and the MMF along the air gap as the currents turn (â–¶): 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.