Abstract: The paper presents a comparative investigations of the state estimation of a power system with a phase shifting transformer in the polar and rectangular coordinate systems. The estimation ...

Abstract: Laser measurement technology of large-scale structural components plays an important role in industrial Internet of Things and intelligent manufacturing. However, the metal texture on the ...

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A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...