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I-shaped inductance calculation table and calculation formula
Jun 24, 2018



I-shaped inductance calculation table and calculation formula

I-shaped inductance.png

Very practical type calculation of the word inductance, input parameters (green bar) parameters, the rest of the results are automatically calculated, very practical, the following direct download can be used. The above calculation table is the calculation parameter (ideal value parameter) at normal temperature. In actual application, it should be used according to the devaluation (70~80%) of the fever.


Formula for calculating the inductance of the word:


Impedance (ohm) = 2 * 3.14159 * F (operating frequency) * Inductance (mH), setting requires 360 ohm impedance, therefore:


Inductance (mH) = Impedance (ohm) ÷ (2*3.14159) ÷ F (operating frequency) = 360 ÷ (2*3.14159) ÷ 7.06 = 8.116mH


According to this, the number of windings can be calculated:

Number of turns = [inductance * { ( 18 * circle diameter (吋)) + ( 40 * circle length (吋))}] ÷ circle diameter (吋)

Number of turns = [8.116 * {(18*2.047) + (40*3.74)}] ÷ 2.047 = 19 laps

Inductance calculation formula: L=AL*N2

(inductance) = (core AL value) * (square of the number of turns)


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