.Spot.ACabc.Machines.Partials.Synchron3rdBase .Spot.ACabc.Machines.Partials.Synchron3rdBase'Voltage behind synchronous reactance', simplified model of synchronous machine.
One winding in d-axis, q-axis, o-axis.
See also equivalent circuit on 'Diagram layer' of
Parameters.Synchron3rd !
v, i: stator-voltage and -current dqo reference-system v_s, i_s: stator-voltage and -current dqo rotor-system
The model is valid for reference systems with arbitrary angular orientation theta[2].
Voltage of field-winding:
Machine- and excitation model must use the same value for the (unscaled) field voltage Vf_nom,
as the machine model is stator-scaled with
Vf_nom = V_nomi.e. choose for both values V_nom.
The magnetic flux Psi_pm of the permanent magnet (if present) is defined by
Psi_pm = psi_pm*Psi_nom Psi_nom = V_nom/omega_nom = V_nom/(pp*w_nom)where psi_pm relates to the induced armature voltage v_op at open-terminal and omega_nom as
psi_pm = v_op/V_nom
The power angle is calculated if so desired. Note that for an inverter driven machine the power angle signal is oscillating with the source voltage.
powerAngle: difference (angle of rotor) - (angle of terminal_voltage)
(> 0: generator, < 0: motor)