A new protection scheme for PV-wind based DC-ring microgrid by using modified multifractal detrended fluctuation analysis

Protection and Control of Modern Power Systems

Table 3 Different DC faults current threshold range under fault resistance and distance variations

Different faults under R_f variation			Different faults under F_d variation
Type of fault	Fault range (A)		Fault range (A)
Type of fault	Min	Max	Min	Max
P-P	789	2151	518	1012
P-P-G	280	568	374	415
N-P-G	− 280	− 568	− 374	− 415
Series arc	11.4	20.8	13.8	16.7
Shunt arc	− 1.89	− 4.05	− 2.72	− 3.25