This model corresponds to AC1_DC.Capacitor, but uses a different determination of the coefficients.
Instead of b and g the parameters y_abs and cos(phi) are used.
Relations:
y = Y / G_base y_abs = |y| g = real(y) = |y|*cos(phi): conductance b = imag(y) = |y|*sin(phi): admittance
No pair capacitance.
More info see package AC1_DC.Impedances.