STEP ET Series - P16 Group Weak Magnetism Parameters; P17 Group GVC Parameter

Chapter 7 Parameter Explanation
Shanghai Sigriner STEP Electric Co., Ltd.
- 94 -
P15.08
Imin of MTPA(%)
0~100
5
MTPA minimum control current
Function code
Name
Setting range
Factory setting
P15.09
PM low speed compensation
coefficient 1 (%)
0~200
40
Observer bandwidth parameter, used to control the observer convergence speed.
Function code
Name
Setting range
Factory setting
P15.10
Ka
0~1000
15
P15.11
Kb
0~1000
20
P15.12
Kr1
0~1000
5
P15.13
Kr2
0~2000
200
P15.14
Kr3
0~2000
20
P15.15
Kr4
0~2000
40
P15.16
Kr5
0~2000
100
P15.10~P15.16 is speed observer related parameters (no modification of internal research monitor
parameters is needed)
7.3.7 P16 group Weak magnetism parameters
Function code
Name
Setting range
Factory setting
P16.00
Weak magnetism voltage
preset
0~200
95
Weak magnetism control loop’s voltage preset;
Function code
Name
Setting range
Factory setting
P16.02
Weak magnetism control
bandwidth (Hz)
0.0~100.0
10.0
If current fluctuation is too large in the weak magnetism status, you can reduce control bandwidth
appropriately to adapt to synchronous and asynchronous motor.
Function code
Name
Setting range
Factory setting
P16.03
Magnetic chain loop
bandwidth (Hz)
0.0~100.0
1.0
If current fluctuation is too large in the weak magnetism status, you can reduce magnetic chain loop
bandwidth; only applicable to asynchronous motor.
7.3.8 P17 group GVC parameter
Function code
Name
Setting range
Factory setting