Therearedifferentlayoutschemesfor330-500kVswitchyardwithoneandahalfbreakerconfiguration.However,asfarastheUHVswitch-yardsforpowerplantsconcerned,itisobviousthatsomelayoutschemestakeuptoomuchareaandsomeothersarenotcompatiblewiththegenerallayoutofpowerplants.Inordertoovercometheaboveproblems,anewalignedswitchyardlayoutscheme,i.e.,allcircuitbreakersanddisconnectingswitchesarealignedinonerowisdiscussedinthispaper.
