電動機的變頻調速

    電動機變頻調速

    一yi般ban的de無wu刷shua直zhi流liu電dian機ji本ben質zhi上shang屬shu於yu伺si服fu電dian機ji，由you同tong步bu電dian機ji和he驅qu動dong器qi構gou成cheng，是shi變bian頻pin調tiao速su電dian機ji。變bian壓ya調tiao速su的de無wu刷shua直zhi流liu電dian機ji是shi真zhen正zheng意yi義yi上shang的de無wu刷shua直zhi流liu電dian機ji，它ta由you定ding子zi和he轉zhuan子zi構gou成cheng，定ding子zi由you鐵tie心xin構gou成cheng
，線xian圈quan采cai用yong“順-逆-順-逆……”繞組，由此產生N-S群的固定磁場，轉子由一個圓柱體磁鐵構成（中間帶軸），huoyoudiancitiejiajidianhuanzucheng，ciwushuazhiliudianjikeyichanshengzhuanju，danbunengkongzhifangxiang，wulunzenmeshuo

，bendianjidoushiyixiangfeichangyouyiyidefaming。dangzuoweiyigezhiliufadianji，benfamingkeyichanshenglianxuzhenfudezhiliudianliu，congerbimianshiyonglvbodianrongqi
，zhuanzikeyishiyongci
、有刷勵磁或無刷勵磁。當作為大型電機時，本電機會產生自感，需要采用保護裝置。