VFD - Motor Drive Rating

Variable-Frequency Drive rating for a given motor - drive current rated ≥ motor full-load current × 1.1 with overload headroom.

VFDMotorDrive

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

I_{drive} \geq 1.1 \cdot I_n

Symbol	Meaning	Unit
$I_n$	Motor full-load current	A
$I_{drive}$	Required drive continuous current	A

Source: ABB / Danfoss VFD Marine Handbook

Variable-Frequency Drive rating for a given motor - drive current rated \u2265 motor full-load current \u00d7 1.