1 Introduction In rotary electric power devices, e. g. electric machines, most of field boundary are circles or circular arcs. It is difficult to handle accurately with conventional linear elements in Cartesian coordi...1 Introduction In rotary electric power devices, e. g. electric machines, most of field boundary are circles or circular arcs. It is difficult to handle accurately with conventional linear elements in Cartesian coordinates. In analysis of many fields, this is considered in following two simplified ways.展开更多
文摘1 Introduction In rotary electric power devices, e. g. electric machines, most of field boundary are circles or circular arcs. It is difficult to handle accurately with conventional linear elements in Cartesian coordinates. In analysis of many fields, this is considered in following two simplified ways.
