Uninterruptable all-electrification smart house

Smart house has to avoid interruption of power supply because power supply is more important for electrification house. Therefore, smart house needs uninterruptable power features. The proposed uninterruptable electrification smart house has seamless features for stand-alone mode, phase synchronization operation and grid-connected mode by phase synchronization control. Also, this smart house achieves reduction of the transient current at transition condition from stand-alone mode to grid-connected mode. The effectiveness of the proposed method is verified by simulation results in Matlab/Sim Power Systems environment.