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DC Volts to Watts calculation The power P in watts (W) is equal to the voltage V in volts (V) times the current I in amps (A): P_{(W)} = V_{(V)} * I_{(A)} |
AC Single Phase Volts to Watts calculation The power P in watts (W) is equal to the power factor PF times the phase current I in amps (A) times the RMS voltage V in volts (V): P_{(W)} = PF * I_{(A)} * V_{(V)} |
AC Three Phase Volts to Watts calculation Calculation with line to line voltage The power P in watts (W) is equal to the power factor PF times the phase current I in amps (A) times the RMS voltage V in volts (V): P_{(W)} = √3 * PF * I_{(A)} * V_{L-L(V)} ≈ 1.732 * PF * I_{(A)} * V_{L-L(V)} Calculation with line to neutral voltage The power P in in watts (W) is equal to 3 times the power factor PF times the phase current I in amps (A) times the line to neutral RMS voltage V_{L-N} in volts (V): P_{(W)} = 3 * PF * I_{(A)} * V_{L-N(V)} |
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