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VECTOR CONTROL APPARATUS FOR INDUCTION MOTOR, VECTOR CONTROL METHOD FOR INDUCTION MOTOR, AND DRIVE CONTROL APPARATUS FOR INDUCTION MOTOR
VECTOR CONTROL APPARATUS FOR INDUCTION MOTOR, VECTOR CONTROL METHOD FOR INDUCTION MOTOR, AND DRIVE CONTROL APPARATUS FOR INDUCTION MOTOR
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机译：感应电动机的矢量控制装置，感应电动机的矢量控制方法以及感应电动机的驱动控制装置
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摘要
The vector control device includes: secondary magnetic flux command computing means (40) for computing a secondary magnetic flux command to an induction motor (6) by taking a maximum voltage that an inverter (4) can generate into account on a basis of a torque command from an external, a DC voltage to be inputted into the inverter, and an inverter angular frequency, which is an angular frequency of an AC voltage to be outputted from the inverter; q-axis/d-axis current command generating means (8 and 9) for generating a q-axis current command and a d-axis current command on a d-q axes rotating coordinate system in reference to a secondary magnetic flux of the induction motor (6) on a basis of the torque command and the secondary magnetic flux command; output voltage computing means (voltage non-interference computation portion 14, adder 17, and adder 18) for computing an output voltage that the inverter (4) is to output on a basis of the q-axis current command, the d-axis current command, and a circuit constant of the induction motor (6); and voltage command/PWM signal generating means (50) for controlling the inverter (4) for the inverter (4) to output the output voltage.
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