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  3. EM FAQ: How does Maxwell compute the AC resistance?

EM FAQ: How does Maxwell compute the AC resistance?

Tagged: 18.1, Electromagnetics & Electronics, field-calculator, General (Maxwell), Low Frequency Electromagnetics, maxwell, Time Transient Magnetics
    • February 6, 2023 at 2:42 pm
      FAQFAQ
      Participant

      The AC resistance is calculated R=P/(I^2), with P the integral of ohmic loss on the concerned conductor. You can check it by comparing the Matrix result and build the resistance from the calculator as the equation above. The formula via the fields calculator is: R=Loss(conductor1)/Current(Conductor1)^2 To implement it the steps are the following: Input -> Quantity -> Ohmic Loss Geometry -> Volume (or Surface) -> (select the object) Scalar -> Integral Input -> Number -> Scalar ->(introduce the current) Input -> Number -> Scalar ->(introduce the current) General -> * General -> / The matrix does: R=Loss(All parts from current in conductor1)/Current(Conductor1)^2

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