Each amplitude of output ac current can be determined individually, depending on the current command of the individual inverter. In this case, the output currents, Iac1 and Iac2 , of these inverters are 0.6 A and 0.3 A, respectively, and the total output current, Iac = 0.9 A, is injected into the utility line. We can see that the proposed inverters can attain stable, parallel operation.