Iterative Approach for Tuning Multiple Converter-Integrated DER in Microgrids

Table 1

Comparison of some referenced microgrid tuning approaches.

Reference	System model	Tuning technique	Adjusted control level	Signals for adjustment	Microgrid mode	Test system size	Scalability
[2]	SSM	IMC and PSO	Zero and primary		Islanded	3 VSC-2 line	Low
[12]	None	GWO	Zero	, , , and	Connected	2 VSC-1 line	Low
[10]	TF	Pole placement method	Zero	None	Islanded	2 VSC-2 line	Low
[6]	None	GA	Zero		Islanded	2 VSC-0 line	Low
[14]	SSM	PSO	Zero	and	Both	3 VSC-2 line	Medium
[15]	SSM	Modified WO	Zero	and	Islanded	2 VSC-1 line	Low
[20]	TF	Fuzzy	Zero to tertiary		Both	4 VSC-3 line	Medium
[21]	TF	IMC	Zero and primary	None	Both	1 VSC-1 line	Low
[22]	TF	Definition of gain margins and parameter ranges	Primary	Not clear	Connected	2 VSC-3 line	Low
[23]	SSM and TF	GA	Zero and primary	and	Islanded	2 VSC-1 line	Medium
[26]	None	Fuzzy and PSO	Primary	, , , and	Islanded	2 VSC-2 lines	Low
[27]	None	PSO and fuzzy	Primary	and	Connected	7 VSC-10 line	Medium
Proposal	None	Modified ITAE index and metaheuristic optimisation	Zero and primary	, , , , and	Both	5 VSC-10 line	High