Offline Auto Tuning For A Pm Motor (Motor Constants Tuning) - Mitsubishi Electric FR-F820-04750 Instruction Manual

(C) Motor constant parameters
5.10.3

Offline auto tuning for a PM motor (motor constants tuning)

The offline auto tuning for a PM motor enables the optimal operation of a PM motor.
What is offline auto tuning?
Under PM motor control, setting motor constants automatically (offline auto tuning) enables optimal
operation of motors even when motor constants vary or when the wiring distance is long. IPM and
SPM motors other than IPM motor MM-EFS/MM-THE4 can also be used.
For the offline auto tuning under Advanced magnetic flux vector control, refer to page 5-42.
Pr.
684
C000
1002
C150
71
C100
80
C101
81
C102
9
C103
83
C104
84
C105
702
C106
707
C107
724
C108
96
C110
5 - 310
Name
Tuning data unit switchover
Lq tuning target current
adjustment coefficient
Applied motor
Motor capacity
Number of motor poles
Electronic thermal O/L relay
Rated motor voltage
Rated motor frequency
Maximum motor frequency
Motor inertia (integer)
Motor inertia (exponent)
Auto tuning setting/status
Initial
Setting range
value
0
0
1
50 to 150%
9999
9999
0 to 6, 13 to 16, 20, 23, 24, 40,
43, 44, 50, 53, 54, 70, 73, 74,
0 210, 213, 214, 240, 243, 244,
8090, 8093, 8094, 9090, 9093,
9094
0.4 to 55 kW
9999
0 to 3600 kW
9999
2, 4, 6, 8, 10, 12
9999
9999
Rated
0 to 500 A
inverter
current 0 to 3600 A
200/
0 to 1000 V
400 V
10 to 400 Hz
9999
9999
0 to 400 Hz
9999
9999
9999 10 to 999, 9999
9999 0 to 7, 9999
0, 101
1
0
11
Parameters
PM PM PM
Description
Internal data converted value
The value is indicated with "A, Ω, mH
or mV".
Perform adjustment if the
overcurrent protective function is
activated during tuning.
No adjustment
By selecting a motor, the thermal
characteristic and motor constant of
each motor are set.
Applied motor capacity setting.
V/F control
Set the number of motor poles.
V/F control
Set the rated motor current.
Set the rated motor voltage (V).
Set the rated motor frequency (Hz).
The MM-EFS/MM-THE4 constant is
used when the IPM motor MM-EFS/
MM-THE4 is selected, and the
inverter internal data is used when a
PM motor other than MM-EFS/MM-
THE4 is selected. Use the correct
setting according to the motor
specification.
Set the maximum frequency of the
motor.
The MM-EFS/MM-THE4motor
maximum frequency is used when
the IPM motor MM-EFS/MM-THE4 is
selected, and Pr. 84 setting is used
when a PM motor other than MM-
EFS/MM-THE4 is selected.
Set the motor inertia.
9999: Uses MM-EFS/MM-THE4 inertia
for IPM motor MM-EFS/MM-THE4
No offline auto tuning.
Performs offline auto tuning without
rotating the motor. (motor other
than IPM motor MM-EFS/MM-THE4)
Performs offline auto tuning without
rotating the motor (V/F control, IPM
motor MM-EFS/MM-THE4).