Delta Electronics VFD-EL Power Supply User Manual


 
Chapter 4 Parameters|
Revision August 2008, 2ELE, V1.02 4-83
08.19
Reserved
08.20
Compensation Coefficient for Motor Instability
Unit: 0.1
Settings 0.0~5.0 Factory Setting: 0.0
The drift current will occur in a specific zone of the motor and it will make motor instable. By
using this parameter, it will improve this situation greatly.
The drift current zone of the high-power motors is usually in the low frequency area.
It is recommended to set to more than 2.0.