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Torque vs. Speed Curve225Motor base speed: 1750 RPM (4-pole)60 Hzcurve%T17515010050Base120 HzcurvePeak Inverter Torque(150 -200% current)100% currentoperating lineSpeed1800 3600Slip (50 rpm)Slip (50 rpm)• Above base speed, continuous torque declines to 50% at 2 x base.• Peak Inverter (overload) torque declines even more rapidly.14• Motor slip increases, for a given torque level.
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