Reliance electric GV3000SE, Instruction Manual

Page: 162 / 198

6 - VECTOR REGULATION MODE
6 - 12 GV3000/SE 49'1329 e
U.012 Speed Regulator Proportional Gain
Adjustment Range: 0.01 - 99.99
Default Setting: power module size dependent
Type: Tunable (at rest or during operation)
Refer to: U.016 Field Weakening Start RPM
Description: This parameter selects the proportional gain of the PI amplifier in the speed loop.
This value affects the dynamic performance of the speed regulation of the motor.
Larger gain values result in faster response, but may result in less stability. If the
drive overshoots the speed reference when changes to the reference are made, or
if the drive "hunts" or is unstable, reduce the value.
With the default value, the drive should perform satisfactorily. However, with
increased inertia loads, this parameter may need to be adjusted.
For adjustment procedures refer to ‘Tuning the Speed Regulator’ (Special Tuning)
further on in this section.
Decreasing the value in U.016 may improve dynamic performance near base
speed.
U.013 Speed Regulator Integral Gain
Adjustment Range: 0.02 to 327.67 radians/second
Default Setting: 15.00 radians/second
Type: Tunable (at rest or during operation)
Description: This parameter selects the lead frequency of the PI amplifier in the speed loop.
For most applications, it is recommended that this parameter not be adjusted.
Remaining description as above for U.012.
U.014 Torque Regulator Proportional Gain
Parameter Range: 0.10 - 31.99
Default Setting: 0.4
Parameter Type: Tunable (at rest or during operation)
Refer to: U.015 Torque Regulator Integral Gain
Description: This parameter determines the proportional gain of the PI amplifier in the torque
regulator.
For most applications, it is recommended that this value not be changed.
The higher the gain is set in this parameter the higher the performance of the
torque loop. If the gain is set too high, the drive will become more susceptible to
overcurrent trips and/or instability. Decreasing the gain will help to increase stability.
This parameter is not used when the drive is programmed for SVC operation.