A unify unbalance compensation strategy for islanded microgrid with unbalanced condition

Due to the unbalance condition, the voltage of microgrid would be deteriorated. In this paper, a unify unbalance compensation strategy is proposed to suppress the unbalanced voltage and the voltage variation for islanded microgrid with unbalanced condition. Comparing to the traditional compensation strategy, where only negative sequence components of voltage are suppressed, in the proposed scheme, the voltage and frequency variations resulted from the unbalanced condition are also eliminated. A simulation model of microgrid is developed in PSIM and the simulation and experimental results verify the effectiveness of the proposed method.