同期電動機では、ダンパー巻線は極面付近に配置されたかご形巻線で、各極の両端が短絡されており、突発的な負荷変動による速度振動を減衰させるとともに、回転磁界が巻線を通過する際に誘起される電流によって始動時にトルクを発生し、速度の遅れを克服してモータを加速させます。
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In a synchronous motor, the amortisseur winding — a squirrel-cage winding placed near the surface of the pole faces whose end turns are shorted at each pole — both damps speed fluctuations caused by sudden load changes and, by the currents induced as the rotating field passes, produces torque during starting to accelerate the motor and overcome its speed lag.
In a synchronous motor, the amortisseur winding — a squirrel-cage winding placed near the surface of the pole faces whose end turns are shorted at each pole — both damps speed fluctuations caused by sudden load changes and, by the currents induced as the rotating field passes, produces torque during starting to accelerate the motor and overcome its speed lag.
Related words
amortisseur winding
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