%0 Journal Article %A Sedighi, A. R., Sayaf, M., Taban, M. R. %T Improving the Power System State Estimation Algorithm Based on the PMUs Placement and Voltage Angle Relationships %J Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran %V 16 %N 2 %P 135-141 %D 2018 %R %U https://rimag.ir/fa/Article/28322