*Appendix A.1. Isolated Microgrid*

Rated frequency, *fNOM* = 50 Hz. Rated voltage (RMS, phase to phase) = 480 V. *Energies* **2020**, *13*, 5937

*Appendix A.2. Hydro Turbine Generator*

> Water time constant *Tw* = 1 s. Proportionality factor (turbine gain), *At* =1.375. HTG Inertia constant, *H* = 2 s. HTG rated speed = 187.5 rpm. SM rated power, *PSM*−*NOM* = 300 kVA. SM number of pole pairs = 16.

*Appendix A.3. Wind Turbine Generator*

> WTG rated power, *PT*−*NOM* = 275 kW. WTG Inertia constant, *Hw* = 2 s.

*Appendix A.4. Dump Load*

> DL rated power = 357 kW. DL-PID parameters *Kp* = 446; *Ki* = 1990; *Kd* = 15.
