The firing inside the motor that caused by bad environment and current overload made the stator coils overburned, overheated rotor deformed and bearing damaged, which led to the motor out of service.

由于环境恶劣及电流过载，造成了电机内部起火烧损了定子线圈和转子过热变形及轴承损坏等情况造成电机无法使用。

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Once the product is ex-work, the motor load condition shall be judged initially based on the rotor voltage and current, and liquid resistance will be ready.

产品一经出厂，它是按照电机转子的电压、电流初步判断电机负载情况已配制好的液阻。

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On the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given.

在此基础上，本文提出了一种基于转子电流定向的双馈电机矢量控制的新型调速方案。

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