asynchronous machine's rotor speed is negative

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Fevzican Sahin
Fevzican Sahin 2018 年 5 月 24 日
回答済み: afnan sahuon 2023 年 6 月 6 日
There is a machine model 07 (200 HP 460V 60 Hz 1785 RPM), when i input 700N.m torque, speed goes negative value. 700 Nm is not over on nominal power, it mustnt reverse direction.

回答 (2 件)

Subrat Borgohain
Subrat Borgohain 2021 年 6 月 14 日
exchange two of the source voltages, and it will be solved.

afnan sahuon
afnan sahuon 2023 年 6 月 6 日
firstly, let slip of IM equal 0 and run the model
after that modify the slip into 1.
the rotor speed will be exactly, starts from zero and positive value.

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