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2009 35th Annual Conference of IEEE Industrial Electronics
In this paper, small-signal stability issues of parallel-connected voltage source inverters without control interconnections are addressed by means of a multivariable approach. The performed small-signal dynamic analysis showed that the system stability margin is reduced when the composition of the inverter connection impedance is neither purely inductive nor purely resistive, which are two common approximations found in the literature. Based on a multivariable approach, this paper proposes thedoi:10.1109/iecon.2009.5415032 fatcat:lvt2u4bxuzh3fa2ijq5dlisyh4