# .SpotExamples.p_Precalculation.Z_matrixEqCirc3

## Information

Equivalent circuit on diagram layer!

Test generator, transient order = 3.

Circuit data are:

```  {r[1:n], r_0} = {0.0011, 0.012, 0.03, 0.005},     d- and q-axis
{xsig[1:n], xsig_0} = {0.13, 0.035, 0.001, 0.17}, d- and q-axis
{xm[1:n], xm_0} = {0, 0.02, 0.04, 1.6}, d-axis (coupling terms xm[2:3])
{xm[1:n], xm_0} = {0, 0, 0, 1.6},       d-axis (coupling terms zero)
```

Corresponding transient data are:

```  tc_d  = {0.869154751730285, 0.028837675377106,  0.00293370131083294} d-axis
to_d  = {4.79391852025869,  0.0390156982688014, 0.00331427152151774} d-axis
xtr_d = {0.324237799805601, 0.238193407852477,  0.209956053815068}   d-axis

tc_q  = {0.710852334653427, 0.0267828156988275, 0.00180497772676905} q-axis
to_q  = {4.63399482930977,  0.0387883296526998, 0.00197933074735668} q-axis
xtr_q = {0.275669319075036, 0.187924853846143,  0.170964423631031}   q-axis
v_f denotes the field voltage.
```

The code uses

```  xsig_s for xsig_0: armature leakage reactance
xsig_r for xsig:   rotor leakage reactances
r_s    for r_0:    armature (stator) resistance
r_r    for r:      rotor resistances
```

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