Increase The Starting Torque (Pr. 0) - Mitsubishi Electric FR-A700 Instruction Manual

Simple mode parameter list
5.1.3

Increase the starting torque (Pr. 0)

Set this parameter when the motor with a load does not rotate, an alarm OL is output, resulting
in an inverter trip due to OC1, etc.
Pr.
Name
No.
0
Torque boost
Example
When the motor with a load does not rotate, increase the Pr. 0 value 1% by 1% unit by look-
ing at the motor movement. (The guideline is for about 10% change at the greatest.)
5 - 6
00023, 00038
00052 to 00126
00170/00250
00310 to 01800
02160 or more
Setting
range
Pr. 0,
Pr. 46,
Pr. 112
Output
frequency [Hz]
V/F V/F V/F
Setting
Initial Value
Range
6%
4%
3% 0–30%
2%
1%
Fig. 5-3:
Relation between output frequency and output
voltage
Base
frequency
Description
Motor torque in the low-frequency range can be
adjusted to the load to increase the starting motor
torque.
Basic settings
I001098E