| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and device for current control that achieves high-speed output while ensuring stability by exhibiting the performance of a motor as much as possible. <P>SOLUTION: The current control device includes a converter 1 for rectifying and smoothing an AC power supply and for output of a DC main circuit voltage, an inverter 2 for applying a current for driving a motor 5 by using the main circuit voltage, a current detector 4 for detecting an armature current flowing through the motor 5, a position detector 6 attached on the motor 5 and detecting the motor speed, and a current control unit 3 for output of a signal for driving the inverter 2 by using the data from the current detector 4 and the data from the position detector 6 upon receiving a q-axis current command Iqr, and controlling the armature current flowing through the motor 5. <P>COPYRIGHT: (C)2011,JPO&INPIT |
