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Single-phase 2-pole electric motor in which main windings and auxiliary windings are mutually offset by other than 90 degrees and mounted in different size slots
Single-phase 2-pole electric motor in which main windings and auxiliary windings are mutually offset by other than 90 degrees and mounted in different size slots
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机译:主绕组和辅助绕组相互错开90度并安装在不同尺寸的槽中的单相2极电动机
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摘要
It is an object to obtain a highly efficient and low-cost single-phase motor by producing the motor in a form that allows a proper material layout, with securing a magnetic path of a coreback of a stator iron core. A stator iron core 1 formed by laminating a plurality of electromagnetic steel sheets and provided with N slots, where N/2 is odd, a part of which are large slots 4 and others are small slots 3 having a shallower depth in a radial direction; a main winding 6 of 2-pole single-phase concentric winding arrangement inserted to the large slots 4 or the small slots 3; and an auxiliary winding 7 of 2-pole single-phase concentric winding arrangement inserted to the large slots 4 or the small slots 3 and arranged at a location which is dislocated by other than 90 degrees in electrical angle from the main winding 6 are included, and among the N slots, slots of which the occupying rate of winding is made smaller than others by arranging the auxiliary winding 7 at a location which is dislocated by other than 90 degrees in electrical angle from the main winding 6 are made the small slots 3, and other slots are made the large slots 4. 展开▼