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