Motor Power Calculator

Calculate motor power requirements, efficiency, and performance parameters for AC and DC motors.

V
A
RPM
N⋅m
%
Power Distribution
V
A
RPM
Hz
%
Power Triangle

Motor Power Reference

Typical Efficiencies
Motor Type Efficiency Range
DC Motors 75-85%
AC Induction 85-95%
Servo Motors 90-98%
Power Factor Tips
  • Avoid underloading motors
  • Use power factor correction
  • Regular maintenance
  • Proper motor sizing
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