Cylindrical double-layer winding linear permanent magnet synchronous generator
A double-layer winding, permanent magnet synchronous technology, applied in electrical components, electromechanical devices, etc., can solve problems such as limiting motor efficiency and permanent magnet utilization, increasing secondary weight of iron core, reducing motor response speed, etc., to improve power quality. , the effect of reducing secondary quality and improving response speed
Active Publication Date: 2011-06-22
ZHEJIANG SCI-TECH UNIV
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The invention discloses a cylindrical double-layer winding linear permanent magnet synchronous generator. The cylindrical double-layer winding linear permanent magnet synchronous generator comprises shafts and outer iron cores, wherein the outer cylinders of the shafts are provided with a plurality of annular permanent magnets and the shafts are spaced from each other by using a first group of magnetic separation rings; and a plurality of outer windings in the same number as the annular permanent magnets are wound around the inner holes of the outer iron cores and the outer iron cores are spaced from each other by using a second group of magnetic separation rings. The centers of the shafts are provided with central holes; inner iron cores are arranged in the central holes; the outer cylinders of the inner iron cores are provided with inner windings which are spaced from each other by using a third group of magnetic separation rings; a spring is arranged between the inside surface of the inner iron cores and the shaft bottom surfaces of the central holes; end covers are arranged on the inner iron cores and the outer iron cores; and annular air gaps with the same height are reservedamong the outer windings, the permanent magnets and the inner windings respectively. The cylindrical double-layer winding linear permanent magnet synchronous generator adopts a slotless moving-magnetic type dual-stator structure, eliminates positioning force, and simultaneously has the characteristics of quick response, high permanent magnet utilization rate and the like, does not need an intermediate conversion device, converts rectilinear motion into electric quantity and outputs the electric quantity, can be used in the fields such as pistons, wave power generation and the like, saves energy and is environmentally-friendly.
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