INVT GD300-01-7R5G-4 - Page 70

Goodrive300-01 inverter for air compressor Function parameters
-69-
Function
code
Name
Detailed instruction of parameters
Default
value
Modif
y
P12.22
Quadrature axis
inductance of SM2
0.01~655.35mH
performance vector control,
the parameters have a direct
impact on the control
performance.
When P00.15=1 (rotation
autotuning), in no need of
change, P12.23 will update
via autotuning; when
P00.15=2 (static autotuning),
P12.23 cannot update via
autotuning, so calculate the
value and update it by
manual.
Depend
on model
○
P12.23
Back EMF
constant of SM2
When P00.15=2, the
set value of P12.23
cannot be updated by
autotuning, please
count according to the
following method. The
counter-electromotive
force constant can be
counted according to
the parameters on the
name plate of the
motor. There are three
ways to count:
1. If the name plate
designates the EMF
constant Ke, then:
E=(Ke*n
N
*2π)/ 60
2. If the name plate
designates the EMF
constant
E’(V/1000r/min), then:
E=E’*n
N
/1000
3. If the name plate
does not designate
the above parameters,
then:
E=P/√3*I
In the above formulas:
n
N
is the rated rotation
speed, P is the rated
power and I is the
rated current.
The setting range:
0~10000
300
○
P12.24
Initial pole position
of SM2
0~FFFFH (reserved)
0x0000
●
P12.25
Identification
0%~50% (rated current of the motor) (reserved)
10%
●