Research Article

MPC-Based Arctan Droop Control Strategy of the Parallel Inverter System in an Islanded AC Microgrid

Table 1

System parameters.

ParameterValue

DC bus voltage700 V
Nominal bus frequency50 Hz
Sampling timeTs = 30 us
Nominal voltage380 V
Line impedance, DG10.528 mH, 1.284 Ω
Line impedance, DG20.528 mH, 1.284 Ω
Load 16000 W, 1500 VAr
Load 26000 W, 1500 VAr
Droop coefficients, DG1,
Droop coefficients, DG2,
The allowable frequency range of variation50 Hz ± 1%
The allowable voltage range of variation380 V ± 5%