Robust Switching Gain-Based Fractional-Order Sliding Mode Control for Wind-Powered Microgrids

Table 1

Definition of the symbols in Figure 2 (j = a, b, c).

Symbol	Definition
	Generator voltages and currents
	Inductors/resistances of the L-type filter of the generator
iL	Output current of the MSR
iI	Input current of GSI
iDC	Current through the capacitor
ej	Grid voltages
ij, iGj	Currents flowing through the LCL filters LIj, LGj
uCj	Voltages in LCL filter capacitors Cj