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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.
Induction Motor Design & Equivalent Circuit Calculator
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
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
Size circular flux barriers and estimate SynRM saliency, dq flux, torque and voltage. Compare known inductances and assess ripple from an entered harmonic spectrum.
BESS Sizing Calculator: Battery Capacity and PCS Design
Size a BESS for PV self-consumption, peak shaving or backup. Calculate battery kWh, PCS kW and kVA, C-rate limits, efficiency losses and end-of-life capacity.
FOC Simulator: PMSM and Induction Motor Current Control
Simulate field-oriented motor control with tuned PI current loops, decoupling, MTPA and field weakening. Explore dq transients, torque, inverter limits and rotating current vectors.
Clarke-Park Transformation Simulator: abc to dq0
Convert abc currents to αβ0 and dq0 with animated phasors, rotating frames, amplitude- or power-invariant scaling, and inverse reconstruction.
EV Wallbox Cable Size & Load Management: 11 kW vs 22 kW
Compare 11 kW and 22 kW wallboxes, house connection headroom and load management. Check copper feeder voltage drop, entered ampacity and German installation requirements.
Balcony Solar Calculator: Yield, Battery and Payback
Design a balcony power plant and compare solar alone with a battery. Estimate hourly yield, self-consumption, annual savings and payback for German or Swiss installations.
SPM-PMSM Design Calculator: Back EMF and Cogging Torque
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.
PWM Simulator: SPWM, SVPWM and Discontinuous PWM
Compare SPWM, SVPWM, THIPWM and DPWM0–3. Animate the space-vector hexagon, inspect seven-segment switching and dwell times, and compare current ripple and relative switching loss.
Buck-Boost DC-DC Converter Design Tool
Design a non-inverting four-switch buck-boost power stage. Check CCM/DCM operation, inductor and capacitor sizing, RMS and peak stresses, and optional iGSE core loss.
Electric Vehicle Charging Cost & Time Calculator
Estimate EV charging time, billed energy and cost with charging losses and taper. Compare electric and gasoline running costs using your tariff and driving distance.
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.
Junction temperature of a power semiconductor
Estimate steady-state junction, case, and sink temperatures and a single-pulse junction rise from a four-term Foster model.
RC low-pass filter
Calculate the cutoff, gain, phase, Bode response, and step response of a passive first-order RC low-pass filter.
Buck converter power stage
Size the inductor and output capacitor of a continuous-conduction buck converter and inspect its triangular inductor current.
