HV580L Series Frequency Inverter
92
auto-tuning.
12: Synchronous motor no-load auto-tuning
If the synchronous motor can be disconnected from the load, no-load auto-tuning is recommended, which will
achieve better running performance compared with with-load auto-tuning.
During the process of no-load auto-tuning, the AC drive performs with-load auto-tuning first and then
accelerates to 80% of the rated motor frequency within the acceleration time set in P0-17. The AC drive keeps
running for a certain period and then decelerates to stop within the deceleration time set in P0-18
Before performing no-load auto-tuning, properly set the motor type, motor nameplate parameters of P1-00 to
P1-05, "Encoder type" (P1-28) and "Encoder pulses per revolution" (P1-27) and "Number of pole pairs of
resolver" (P1-34) first.
The AC drive will obtain motor parameters of P1-16 to P1-20, encoder related parameters of P1-30 to P1-33
and vector control current loop PI parameters of P2-13 to P2-16 by no-load auto-tuning.
Action specification: Set this parameter to 12, and press the RUN key. Then, the AC drive starts no-load
auto-tuning.
Note: Motor auto-tuning can be performed only in operation panel mode.
Group P2: Vector Control Parameters
Group P2 is valid for vector control, and invalid for V/F control.
P2-00
Speed loop proportional gain 1 Default
30
Setting Range
1
~
100
P2-01
Speed loop integral time 1
Default
0.50s
Setting Range
0.01s
~
10.00s
P2-02
Switchover frequency 1
Default
5.00Hz
Setting Range
0.00
~
P2-05
P2-03
Speed loop proportional gain 2 Default
20
Setting Range
0
~
100
P2-04
Speed loop integral time 2
Default
1.00s
Setting Range
0.01s
~
10.00s
P2-05
Switchover frequency 2
Default
10.00Hz
Setting Range
P2-02
~
maximum output frequency
Speed loop PI parameters vary with running frequencies of the AC drive.
• If the running frequency is less than or equal to "Switchover frequency 1" (P2-02), the speed loop PI
parameters are P2-00 and P2-01.
• If the running frequency is equal to or greater than "Switchover frequency 2" (P2-05), the speed loop PI