NEMA-style percentage voltage unbalance from three line-line readings, with the associated motor derating factor from the published NEMA MG1 / ANSI C84.1 curve.
NEMA MG1 / ANSI C84.1 Figure D1 derating curve
Generated
For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.