INVT Goodrive35 Series Operation Manual page 73

Goodrive35 Series Closed-loop Vector Control VFD
Functio
Name
n code
Keypad setting of
P03.20
electromotion torque
Keypad setting of
P03.21
brake torque
Weakening
P03.22 coefficient in
constant power zone
Lowest weakening
P03.23 point in constant
power zone
P03.24 Max voltage limit
P03.25 Pre-exciting time
Weak proportional
P03.26
gain
Integral gain of the
P03.27
flux weakening
Control mode of flux
P03.28
weakening
Detailed instruction of parameters
The function code is used to set the limit of the
torque.
Setting range: 0.0–300.0% (motor rated current)
The usage of AM in weakening control.
T
Min. flux-weakening limit of motor
Function code P03.22 and P03.23 are effective at
constant power. The motor will enter into the
weakening state when the motor runs at rated
speed. Change the weakening curve by modifying
the weakening control coefficient. The bigger the
weakening control coefficient is, the steeper the
weak curve is.
The setting range of P03.22: 0.10–2.00
The setting range of P03.23: 5%–50%
P03.24 set the max voltage of the VFD, which is
dependent on the site situation.
The setting range: 0.0–120.0%
Preactivate the motor when the VFD starts up. Build
up a magnetic field inside the VFD to improve the
torque performance during the starting process.
The setting time: 0.000–10.000s
The response characteristic of the flux weakening
controller is relative to P03.26 and P03.27. It can be
adjusted properly.
Setting range: 0–8000
0x000–0x112
Ones: Control mode selection
0: Mode 0;
1: Mode 1;
66
Flux-weakening
coefficient of motor
0.1
1.0
2.0
f
Function parameters
Default Modif
value y
180.0%
○
180.0%
○
1.00
○
20%
○
100.0%
◎
0.000 s
○
1200
○
1200
○
0x000
○