Mitsubishi Electric FR-A720-0.4K Instruction Manual page 513

1.9 PM sensorless vector control specification
Item
Sensorless vector control
Control method Low-speed range: Control method in a low-speed range can be selected by parameter (high frequency
superposition control (initial setting) / current synchronization operation)
High frequency
superposition control
Starting torque
Current synchronization
operation
High frequency
superposition control
Speed control
range
Current synchronization
operation
High frequency
superposition control
Zero speed
Current synchronization
operation
High frequency
superposition control
Carrier frequency
Current synchronization
operation
High frequency
superposition control
Position control
Current synchronization
operation
Offline auto tuning
Possible
for an IPM motor
Mitsubishi MM-CF series IPM motors (0.5 to 7.0kW)
Applicable motor
IPM motors other than MM-CF (tuning required) (no capacity limit) *
* To perform PM sensorless vector control on an IPM motor other than MM-CF, contact your sales representative.
1.10 Motor specification
(1) Specifications
Item
Compatible
FR-A720-
inverter
Continuous Rated output [kW]
characteristics
Rated torque [N•m]
*1
Rated speed [r/min]
*1
Max. speed [r/min]
Instantaneous permissible speed
[r/min]
Max. torque [N•m]
Inertia moment J
-4 2
[10 kg•m
Recommended ratio of load
inertia moment to motor shaft
inertia moment
Rated current [A]
Insulation rank
Structure
200% (1.5kW or lower with MM-CF: 200%, 2.0kW or higher: 150%)
50%
1:1000 (Use a one rank higher inverter for the ratio of 1:1000)
1:10
Possible (Use a one rank higher inverter for zero-speed 200%)
Not available
6kHz (Pr.72 = "0 to 9"), 10kHz (Pr.72 = "10 to 13"), 14kHz (Pr.72 = "14, 15")
(6kHz in a low-speed range of 10kHz or higher. 2kHz is not selectable.)
2kHz (Pr.72 = "0 to 5"), 6kHz (Pr.72 = "6 to 9"), 10kHz (Pr.72 = "10 to 13"), 14kHz
(Pr.72 = "14, 15")
(6kHz in a low-speed range of 10kHz or higher.)
Possible
Not available
Motor
MM-CF
52(C)(B)
0.4K
0.75K
*6
0.5
2.39
4.78
6.6
*5
] (7.0)
100 times max.
*2
1.81
Specification
2000r/min Series
MM-CF MM-CF
102(C)(B) 152(C)(B)
0.75K 1.5K
1.5K 2.2K
*6 *6
1.0 1.5
4.78 7.16
9.56 14.32
13.7 20.0
(14.9) (21.2)
3.70 5.22
Totally-enclosed, self-cooling
(protective system:IP44
16/24
MM-CF MM-CF
202(C)(B) 352(C)(B)
2.2K 3.7K
3.7K 5.5K
*6 *6
2.0 3.5
9.55 16.70
2000
3000
3450
19.09 33.41
45.5 85.6
(48.9) (89.0)
50 times max.
7.70 12.5
Class F
, IP65 , )
*3 *3 *4
MM-CF MM-CF
502(C) 702(C)
5.5K 7.5K
7.5K 11K
*6 *6
5.0 7.0
23.86 33.41
47.73 66.82
120.0 160.0
20.5 27.0
BCN-C22005-634