8.13 Torque Current Regulator
The torque current regulator generates the motor’s Q-axis motor voltage. The torque producing
motor current reference (I
qs,ref
) is generated from the output of the frequency regulator. The
torque producing current feedback (I
qs
) comes from motor current D-Q converter. The torque
current regulator is evaluated at the inner current loop update rate. This regulator is the
innermost, i.e. fastest, control loop in the control, operating at the sampling rate of the system.
This is typically 3 to 6 kHz or approximately 9 kHz for high speed motors.
Note
The drive will switch to a higher sampling rate for high speed motors when either of two things
occur: if the motor rated frequency is set to 240 Hz or above, or if the SOP ag
"HighSpeedInterruptEnable_O" is set true.
To run at the higher sampling rate, the high speed hardware integrator must also be enabled.
The high speed hardware integrator is automatically enabled when the higher sampling rate is
enabled.
Advanced Operating Functions
8.13 Torque Current Regulator
NXGPro+ Control Manual
Operating Manual, A5E50491925A 253
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