| 摘要 |
This invention is attributed to the electrical machinery, in particular to electrical machines with armature multiphase winding designed for use in discrete electric drives. Objective of the invention - to increase reliability of the multiphase stepping motor. The multiphase stepping motor in fig.1 has a toothed rotor (1) and stator (2) with control winding with phase zones shifted towards each other. The control winding phases are split into two groups with the number of phases m1 and m2 in the first and second group respectively and correlation m2-m1=1. Coils of phases of the first group, e.g. coils (3-5), cover k1 of pole horns (6-8) positioned with the step t1 by teeth, adjourning horns, equaling to t1= tZ((k1m1-1)/ k1m1), but coils of phases of the second group, e.g. coils (9), cover three groups of pole horns (6-8) each, when their step t2 by teeth of adjourning horns covered with coils of different phases, e.g. (6, 11), equaling to t2= tZ((k1m1-1)/k1m1)+(k2+1/m2)) where tZ - tooth splitting of rotor (1), k1 and k2 - whole numbers. Phase control winding leads can be connected in polygon in the first group and in series - in parallel in the second group.
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