P03 Group--Vector Control Of Motor 1 - INVT Goodrive350-19 Series Operation Manual

Goodrive350-19 series VFD for crane
P03 group––Vector control of motor 1
Function
Name
code
Speed-loop
P03.00 proportional gain
1
Speed-loop
P03.01
integral time 1
Low-point
P03.02 frequency for
switching
Speed-loop
P03.03 proportional gain
2
Speed-loop
P03.04
integral time 2
High-point
P03.05 frequency for
switching
Description
The parameters P03.00–P03.05
only to vector control mode. Below the switching
frequency 1 (P03.02), the speed-loop PI
parameters are: P03.00
switching frequency 2 (P03.05), the speed-loop
PI parameters are: P03.03
parameters are obtained according to the linear
change of two groups of parameters. See the
following figure:
PI parameter
P03.00，P03.01
P03.02 P03.05
The speed loop dynamic response
characteristics of vector control can be adjusted
by setting the proportional coefficient and
integral time of speed regulator. Increasing
proportional gain or reducing integral time can
accelerate dynamic response of speed loop;
however, if the proportional gain is too large or
integral time is too small, system oscillation and
overshoot may occur; if proportional gain is too
small, stable oscillation or speed offset may
occur.
PI parameters have a close relationship with the
inertia of the system. Adjust PI parameters
depending on different loads to meet various
demands.
P03.00 setting range: 0.0–200.0
P03.01 setting range: 0.000–10.000s
P03.02 setting range:
P03.03 setting range: 0.0–200.0
P03.04 setting range: 0.000–10.000s
P03.05 setting range:
-220-
are applicable
and P03.01. Above the
and P03.04. PI
P03.03，P03.04
Output frequency f
0.00Hz–P03.05
P03.02–P00.03 (Max.
Function parameter list
Default Modify
○
20.0
○
0.200s
○
5.00Hz
○
20.0
○
0.200s
○
10.00Hz