In this paper, the computation of forces and torques mutually applied between a helical
toroidal magnet and a magnet shaped like an angular plane sector is illustrated. The evaluation considers
the magnetostatic field hypothesis. The main aim of this study is to present a tool for performing fast
and accurate evaluation of forces and torques based on the method of the magnetic charges referring to
helical toroidal magnetic systems. The particular geometry of the case study concerns the development
of unconventional configurations of electrical machines. These configurations should reduce the magnetic
flux changing during the machine operation. A small change of the magnetic flux reduces all the losses
related to the flux variation. The illustrated model for the computation of forces and moments also
shows a starting point for a reliable analytical numerical evaluation of the external/internal actions
applied to parts of other kinds of helical toroidal systems as stellarator and similar ones.
