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Electrical Engineering

Primary circuit impedance referred to the secondary Calculator

Electrical Engineering

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Primary circuit impedance referred to the secondary

Equation and meaning

\[Z_{12} = Z_{1} \cdot {\frac{N_{2}}{N_{1}}}^{2}\]

The primary circuit impedance Z1 referred to the secondary circuit for an ideal transformer with N1 primary turns and N2 secondary turns

Variables in this formula

N_1 — N 1
Enter this value unless it is the selected unknown.
N_2 — N 2
Enter this value unless it is the selected unknown.
Z_1 — Z 1
Enter this value unless it is the selected unknown.
Z_12 — Z 12
Enter this value unless it is the selected unknown.

How to use this calculator

  1. Leave one value emptyThe empty field is automatically treated as the unknown.
  2. Enter known values and unitsChoose N, kgf, dyn, SI or another compatible unit when available.
  3. Review the automatic answerThe result appears immediately and is substituted back into the formula to check the residual.
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