NovaTorque (Sunnyvale, CA) offers Premium Plus+ electric motors in 2 and 3 HP @ 1800 RPM as a motor system paired with a variable frequency drive, or as standalone motors. The 2-HP version has a full-load rated efficiency of 91.5% at 1800 RPM and is available in a 143T frame, and the 3-HP version has a full-load rated efficiency of 90.5% and is available in a 143T or 182T configuration. Foot and flange mountings are available. The motors are based on the company’s stator and rotor hub geometry. The laminated field poles used in the stator have conical end-surfaces instead of perpendicular flat cross-sections. The rotor hubs have conical shapes that match the end-surfaces of the field poles. The increased surface area at the rotor/stator interface concentrates the magnetic flux.
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