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PERMANENT MAGNET SYNCHRONOUS MACHINE 发明申请

2023-03-21 1610 194K 0

专利信息

申请日期 2025-07-09 申请号 JP2010048989
公开(公告)号 JP2011188579A 公开(公告)日 2011-09-22
公开国别 JP 申请人省市代码 全国
申请人 HITACHI LTD
简介 PROBLEM TO BE SOLVED : To provide a structure of a permanent magnet synchronous machine wherein a high-speed operation range can be expanded without reducing a torque when a rare-earth magnet is used. SOLUTION : A permanent magnet synchronous motor includes a rotor 1 in which 2n poles ( n is a natural number) are arranged on the circumference and a stator 100 that is placed opposite to the stator with a gap in between and generates a rotating magnetic flux. In the rotor, field poles are formed by burying at least one or more permanent magnets 2 predominantly composed of rare earth in the core constituting each pole thereof. The rotor is so configured that the relation of Tp


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