FIELD: electricity.
SUBSTANCE: multipolar magnetic system in the form of annular cylinder includes pole and tangentially magnetised interpolar permanent magnets interconnected to form checkered structure with dissimilar magnetic poles adjacent. Each interpolar permanent magnet is made in the form of figure formed by end cylinder surface of annular sector shape, with angle selected by α=360°/2P ratio where P is the number of pole pairs, and two surfaces passing through radiuses delimiting annular sector and projection of crossing point of α angle bisector and external arc of the same angle on end surface on the annular cylinder. Polar permanent magnets are axially magnetised and form annular cylinder when added to interpolar magnets.
EFFECT: increased work flow inductance with minimum dimensions, maximum work flow inductance within specified dimensions.
7 dwg
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