// multi-utility computation suite · offline · instant · precise
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eng.induction-motor-power-factor Calculator
Calculates induction motor power factor, reactive power, and the capacitor value needed for power factor correction. Induction motors have lagging power factor of 0.7–0.85 at full load, falling to 0.3–0.5 at light load — power factor correction reduces kVA demand charges.
Inputs
V L V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
I L A
Rate of charge flow (A). I = V/R. Above ~100 mA through the body can be lethal. Fuses protect against overcurrent.
P Kw
Rate of energy transfer (W). P = V×I (electrical). P = F×v (mechanical). 1 horsepower ≈ 746 W.
Phases
Count of items or occurrences.
Results
apparent power S (kVA)
Voltage in kilovolts (kV). 1 kV = 1,000 V. Used for high-voltage transmission lines and industrial equipment.
power factor PF
A dimensionless multiplier applied in the calculation.
reactive power Q (kVAR)
Voltage in kilovolts (kV). 1 kV = 1,000 V. Used for high-voltage transmission lines and industrial equipment.
PF angle φ (°)
The computed angle in degrees or radians.
capacitor to correct PF to 0.95
Reference formula or conversion factor shown for context.
PF classification
Category assigned based on where the computed value falls on a defined scale. Check which standard or guideline defines these boundaries.