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