For the unsymmetrical load (resistor, capacitor and inductor) the parameters inductance L and capacitance C are chosen such way that the magnitudes of the three phase currents (see currentSensor12, currentSensor23, currentSensor31) are equal.
P.Vaske, Berechnung von Drehstromschaltungen (German, Calculation of polyphase circuits), Teubner 1973, page 43, example 23