: : AC DC Resistance Calculator For Litz Wire


Frequency - Insert your known frequency in Hz
Strands - Insert the number of strands you need
Bundling - Insert the number of bundling operations
Cabling - Insert the number of cabling operations

Use this chart to determine which Frequency you need to use for your application.

FREQUENCY AWG
60 HZ to 1 KHz 28
1 KHz to 10 KHz 30
10 KHz to 20 KHz 33
20 KHz to 50 KHz 36
50 KHz to 100 KHz 38
100 KHz to 200 KHz 40
200 KHz to 350 KHz 42
350 KHz to 850 KHz 44
850 KHz to 1.4 MHz 46
1.4 MHz to 2.8 MHz 48

Total Outer Diameter calculations are theoretical and unserved; formula can be found here. The numbers given are estimates, and if you would like an accurate quotation, call us at 330-244-8501, or click on one of the RFQ buttons and fill out the form.

DC power calculation

Voltage (V) calculation from current (I) and resistance (R):

V(V) = I(A) × R(Ω)

Complex power (S) calculation from voltage (V) and current (I):

P(W) = V(V) × I(A) = V 2(V) / R(Ω) = I 2(A) × R(Ω)

AC power calculation

The voltage V in volts (V) is eqaul to the current I in amps (A) times the impedance Z in ohms (Ω):

V(V) = I(A) × Z(Ω) = (|I|×|Z|) ∠ (θI + θZ)

The complex power S in volt-amps (VA) is equal to the voltage V in volts (V) times the current I in amps (A):

S(VA) = V(V) × I(A) = (|V|×|I|) ∠ (θV - θI)

The real power P in watts (W) is equal to the voltage V in volts (V) times current I in amps (A) times the power factor (cos φ):

P(W) = V(V) × I(A) × cos φ

The reactive power Q in volt-amps reactive (VAR) is equal to the voltage V in volts (V) times the current I in amps (A) time the sine of the  complex power phase angle (φ):

Q(VAR) = V(V) × I(A) × sin φ

The power factor (FP) is equal to the absolute value of the cosine of the complex power phase angle (φ):

PF = |cos φ|

Energy & power calculation

The average power P in watts (W) is equal to the energy consumed E in joules (J) divided by time period Δin seconds (s):

P(W) = E(J) / Δt(s)

Version 4.3.3
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