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4 Cards in this Set

  • Front
  • Back
Ohm's Law
I = V/R
R = V/I
V = I x R
Motor Power
P = Pf × I × V

Example:
480 W = 0.8 × 2.6 A × 230 V
Motor Current
I = P/(Pf × V)

Example:
480 W / (0.8 × 230) ≈ 2.6 A
Voltage Calculations
Calculate Single Phase
1ph = 3ph/√3

Example:
400 V / √3 ≈ 230 V