          \frac{1}{R^2+(\omega L)^2}
            \begin{bmatrix}
                R & \omega L \\
                -\omega L & R 
            \end{bmatrix}
        \end{equation}


Recalling the equations of a capacitive element in d-q reference frame, in per unit variables:

\begin{equation}
	\left\{
	\begin{array}{l}
		i_{d} =  \displaystyle \frac{1}{\omega_{base}} C \displaystyle \frac{dv_{d}}{dt} - \omega C v_{q} + \frac{1}{R}v_{d} \\ \ \\
		i_{q} =  \displaystyle \frac{1}{\omega_{base}} C \displaystyle \