Stepper Motor Torque-Speed Calculator: Driver Voltage & Resonance
Wired White v1 Compare stepper torque-speed estimates at maximum-torque alignment and driver voltages. Includes load inertia, L/R current rise, microstep torque and resonance.
Electric machines
Wired White v1 
Motor Starting Calculator: DOL vs Star-Delta vs Soft Starter
Wired White v1 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 v1 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.
Steinmetz Capacitor: Three-Phase Motor on Single Phase
Wired White v1 Size a Steinmetz run capacitor at a chosen load using a motor circuit model. Check starting capacitance, capacitor voltage, winding currents and available power.
PMSM Efficiency Map Calculator
Wired White v1 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.
Concentrated Winding Calculator: Layout, Winding Factor & MMF
Wired White v1 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.
DC Motor Design Tool: Speed, Torque and Efficiency
Wired White v1 Calculate brushed DC motor speed, torque, current and efficiency from datasheet or winding data. Explore operating curves, voltage sizing, field estimates and commutation.
BLDC Motor Design Calculator: Winding, Kv, Kt and Losses
Wired White v1 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.
Axial Flux Motor Design Tool
Wired White v1 Size a coreless axial flux PM motor with radial-slice torque and EMF calculations. Compare winding layouts, copper losses, voltage demand and estimated efficiency.
Induction Motor Design & Equivalent Circuit Calculator
Wired White v1 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 v1 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 v1 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 v1 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.
Winding layout calculator
Three-phase winding scheme, linear and circular diagrams, winding factors and allowed parallel coil connections for tooth-coil and distributed windings.
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 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.
