Optimal Protection Coordination for Microgrid under Different Operating Modes

Table 1

Parameters of the electric generator.

Parameter	Value
Number of pole pairs	100
Rated speed at 60 Hz	3.77 rad/s
Rated capacity (𝑆𝑛)	3 MVA
Rated voltage (𝑉𝑛)	690 V
Xd	0.4 p·u
Rated current (𝐼𝑛)	1450 A