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Single-phase synchronous motor with a two-pole, permanent-magnetically excited rotor
Single-phase synchronous motor with a two-pole, permanent-magnetically excited rotor
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机译:具有两极永磁励磁转子的单相同步电动机
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摘要
Single phase synchronous motor with a two-pole permanent-magnet rotor (5), coils (9) designed for nominal operation and a stator iron (7) which carries the coils (9) to produce a two-pole stator field between the stator poles (13). The rotor elements (19, 23) produce pulsating torques and are made of hard-magnetic and soft-magnetic materials, the pulsating torques comprising average-value and alternating components. The motor is constructed so that the alternating components are in phase opposition and tend to cancel each other during nominal operation. Elements producing the pulsating torques comprise a soft-magnetic central part and hard-magnetic permanent magnets arranged on opposite sides thereof.
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