[JFT068] Specifying Three-Phase Synchronous Motor dq Axis Current

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Three-phase synchronous motors are driven with a three-phase AC, and current waveforms are defined by current amplitude and current phase. Conversely, there are circumstances where this can be considered a dq coordinate system that rotates in synchronization with the rotor when using current control. There is also demand to define the current as a dq axis current, which is DC. The conversion from 2 phase to 3 phase can be easily accomplished by using circuit control components with JMAG.
This document explains how to specify a dq axis current and drive a motor.


dq axis, 2-phase to 3-phase conversion

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