With　the　rapid　development　of　the　electric　vehicle　(EV)　market　worldwide,　the　large-scale　deployment　of　EVs　has　an　increasingly　significant　impact　on　the　safe　operation　of　power　systems.　The　massive　connection　of　EVs　and　the　unreasonable　number　and　distribution　of　EV　charging　stations　can　lower　the　voltage　level　of　the　power　system　and　increase　power　flow　fluctuations,　thereby　posing　a　certain　threat　to　the　safe　operation　of　the　power　system.　Against　this　background,　this　paper　proposes　an　EV　charging　strategy　that　combines　electricity　price　guidance　with　distributed　charging　stations.　The　IEEE　33-node　system　is　selected　as　the　test　system,　and　multiple　distribution　scenarios　of　charging　stations　are　constructed　to　compare　the　voltage　deviation　and　power　flow　fluctuations　of　the　system　under　different　scenarios.　The　simulation　results　show　that　the　strategy　proposed　in　this　paper　can　stabilize　the　system　voltage　and　alleviate　power　flow　fluctuations,　which　has　certain　practical　significance　for　the　safe　and　stable　operation　of　the　power　grid.　©　2025　IEEE.