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method for automatic determination of parameters of a wechselrichtergespeisten asynchronmotors and wechselrichtergespeister asynchronous motor
method for automatic determination of parameters of a wechselrichtergespeisten asynchronmotors and wechselrichtergespeister asynchronous motor
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机译:自动确定韦氏振动异步电动机和韦氏振动异步电动机参数的方法
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摘要
A motor current flowing through an inverter-driven induction motor is detected when voltage is applied to the induction motor by the inverter operated under a certain condition on the basis of the vector control. The detected current is converted to two components of a current vector in a d-q coordinate system. Motor constants are calculated on the basis of a component in the d-coordinate axis of a voltage reference set for creating the certain condition and the two converted components of the motor current detected at that time, and control constants in a vector control apparatus for the inverter-driven induction motor are set or adjusted in accordance with the calculated motor constants. According to this invention, the control constants in the vector control apparatus can be easily set or adjusted.
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