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General-purpose Magnetic Flux Vector Control Selection (pr. 80) - Mitsubishi Electric FR-E520 Instruction Manual

Transistorized inverter.
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4.2.34 General-purpose magnetic flux vector control selection (Pr. 80)

Pr. 80 "motor capacity"
You can set the general-purpose magnetic flux vector control.
! General-purpose magnetic flux vector control
Provides large starting torque and sufficient low-speed torque.
If the motor constants vary slightly, stable, large low-speed torque is provided without
specific motor constant setting or tuning.
Parameter
Factory
Number
Setting
80
Note: The setting range changes with the inverter: 0.2kW to 7.5kW, 9999 for the 400V
class.
If any of the following conditions are not satisfied, faults such as torque shortage and
speed fluctuation may occur. In this case, select V/F control.
<Operating conditions>
• The motor capacity is equal to or one rank lower than the inverter capacity.
• The number of motor poles is any of 2, 4, and 6. (4 poles only for the constant-torque
motor)
• Single-motor operation (one motor for one inverter) is performed.
• The wiring length between the inverter and motor is within 30m. (If the length is over
30m, perform offline auto tuning with the cables wired.)
<Setting>
(1) General-purpose magnetic flux vector control
• The general-purpose magnetic flux vector control can be selected by setting the
capacity of the motor used in Pr. 80.
Parameter
Number
80
0.1 to 7.5/
0.2 to 7.5 (Note)
Note: The setting range changes with the inverter: 0.2kW to 7.5kW, 9999 for the 400V class.
• When using Mitsubishi constant-torque motor (SF-JRCA), set "1" in Pr. 71. (When
using the SF-HRCA, perform the offline auto tuning.)
Setting Range
0.1kW to 7.5kW,
9999
9999 (Note)
Setting
9999
V/F control
Set the motor capacity applied.
Related parameters
Pr. 71 "applied motor"
Pr. 83 "rated motor voltage"
Pr. 84 "rated motor frequency"
Pr. 96 "auto-tuning setting/status"
Remarks
9999: V/F control
Description
128
PARAMETERS
General-purpose magnetic
flux vector control

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