Mitsubishi Electric FR-A800, Instruction Manual

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(C) Motor constant parameters Parameters
5 - 450
For the FR-A820-03160(55K) or lower and FR-A840-01800(55K) or lower.
For the FR-A820-03800(75K) or higher and FR-A840-02160(75K) or higher.
Changing the motor constant (if setting motor constants in the internal data of the inverter)
●
Set Pr. 71 as follows.
First
motor Pr.
Second
motor Pr.
Name Setting range
Setting
increments
Initial value
82 455
Motor excitation current
(No-load current)
0 to 500 A, 9999 0.01 A
9999
0 to 3600 A, 9999 0.1 A
90 458 Motor constant (R1)
0 to 50 Ω, 9999 0.001 Ω
0 to 400 mΩ, 9999 0.01 mΩ
91 459 Motor constant (R2)
0 to 50 Ω, 9999 0.001 Ω
0 to 400 mΩ, 9999 0.01 mΩ
92 460
Motor constant (L1)/d-shaft
inductance (Ld)
0 to 6000 mH, 9999 0.1 mH
0 to 400 mH, 9999 0.01 mH
93 461
Motor constant (L2)/q-shaft
inductance (Lq)
0 to 6000 mH, 9999 0.1 mH
0 to 400 mH, 9999 0.01 mH
94 462 Motor constant (X) 0 to 100%, 9999
0.1%
0.01%
859 860
Torque current/Rated PM motor
current
0 to 500 A, 9999 0.01A
0 to 3600 A, 9999 0.1 A
298 560 Frequency search gain 0 to 32767, 9999 1
Tab. 5-181: Parameter setting ranges
NOTE If "9999" is set, tuning data will be invalid and the constant values for Mitsubishi motors (SF-PR,
SF-JR, SF-HR, SF-JRCA, SF-HRCA and SF-V5RU (1500 r/min series) and so on) are used.
Motor Pr. 71 setting
Mitsubishi standard motor
Mitsubishi high-efficiency motor
SF-JR and SF-TH 3 (4)
SF-JR 4P 1.5 kW or lower 23 (24)
SF-HR 43 (44)
Others 3 (4)
Mitsubishi constant-torque motor
SF-JRCA 4P
SF-TH (constant-torque)
13 (14)
SF-HRCA 53 (54)
Other (SF-JRC, etc.) 13 (14)
Mitsubishi high-performance energy-
saving motor
SF-PR 73 (74)
Vector control dedicated motor
SF-V5RU (1500 r/min series)
SF-THY
33 (34)
SF-V5RU (other than the 1500 r/min series) 13 (14)
Other manufacturer's standard motor
⎯
3 (4)
Other manufacturer's constant-torque
motor
⎯
13 (14)
Tab. 5-182: Motor selection