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Delta Electronics AC Motor Drive VFD-EL User Manual

Page 126

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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.