Motors, Solar & EV
EV Charger Cable Sizing Check
Estimate EV charger current, adjusted candidate cable capacity and AC voltage drop for a fixed charging circuit.
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Use these fixed-installation tools for motor current and starting estimates, PV string voltage and cable checks, solar export voltage rise, and EV charger circuit capacity. Confirm equipment ratings, protection, installation conditions and project requirements before relying on a result.
Motors, Solar & EV
EV Charger Supply Capacity Calculator
Estimate signed supply headroom, shortfall and equal per-charger EV charging allocation from a common supply current basis.
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Motor Full-Load Current Estimate
Estimate motor electrical input power, apparent input power and full-load line current from rated shaft output, voltage, efficiency, power factor and phase configuration.
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Motor Starting Voltage Dip Estimate
Estimate generator-bus voltage dip ratio, voltage change and remaining voltage from motor current and source short-circuit current using a simplified relation.
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PV DC Cable Capacity and Voltage-Drop Check
Check a PV DC cable against an entered current factor, derated capacity and two-conductor voltage-drop limit.
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PV String Voltage Range Calculator
Apply user-entered module temperature coefficients to estimate cold open-circuit and hot operating string voltage, expose both voltage margins and compare them with entered inverter...
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Solar Inverter Cable Voltage Rise Estimate
Estimate resistive voltage rise along an inverter export circuit and expose the route resistance and real-current component used by the simplified model.
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