Chapter 4 Parameters

After finishing estimating and set Pr.11-00=1 (auto tuning), using Pr.11-04 to reduce overshoot. Please adjust PDFF gain value by actual situation.

Besides traditional PI control, it also provides PDFF function to reduce overshoot for speed control.

1.Get Pr.11-01 value

2.Set Pr.11-00 to 1

3.Adjust Pr.11-04 (the larger number is set and the suppressed overshoot function will be better. But it needs to be used by the actual condition)

PI

PDFF

 

It is recommended to disable

this function (Pr.11-04=0) for

Y/

connection switch and

ASR1/ASR2 switch application.

11-05

Gain Value of Flux Weakening Curve for Motor 1

Unit: 1

 

 

 

 

Control

FOCPG

 

Factory Setting: 90

mode

 

 

 

 

Settings

0 to 200%

 

 

 

It is used to adjust the output voltage of flux weakening curve.

 

For the spindle application, the adjustment method is

 

1.It is used to adjust the output voltage when exceeding rated frequency.

2.Monitor the output voltage

3.Adjust Pr.11-05 (motor 1) or Pr.11-06 (motor 2) setting to make the output voltage reach motor rated voltage.

4.The larger number it is set, the larger output voltage you will get.

Revision August 2008, 03VE, SW V2.04

4-161

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Delta Electronics VFD-VE Series manual 11-05, Gain Value of Flux Weakening Curve for Motor Unit
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VFD-VE Series specifications

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