Danfoss iC7 Series Application Manual page 128

Application Guide | iC7 Series Industry
Parameter 8021
Number:
Data Type: REAL
P 4.3.3.3 Current Controller Ti
Set the scaling of the current controller nominal integral time.
Default Value: 100
Parameter 8022
Number:
Data Type:
REAL
P 4.3.3.5 Low-speed Mode
Select the motor control mode used at low speeds.
Default Value: 0 (Selected motor control)
Parameter 2816
Number:
Data Type: UINT
The following are the selections for the parameter.
Selection Number Selection Name
0 Selected motor control
1 Forced current mode (I/f Control)
2 HF injection
3 Low speed minimum current (only in FVC
SM)
4 Saliency Tracking
P 4.3.3.6 I/f Control Current Reference
Set the I/f control current reference in % of nominal motor current.
Default Value: 100
Parameter 2817
Number:
Data Type: REAL
P 4.3.3.7 I/f Control Speed Threshold
Set the speed below which the I/f control is used.
Default Value: 10
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Unit:
Access Type:
Parameter Type:
Unit:
Access Type:
Parameter Type:
Unit:
Access Type:
Selection Description
Uses the selected motor control at low speed.
Selects robust I/f current control at low speed.
Adds HF injection to improve speed estimation performance at
low speed.
Ensures a minimum current in FVC+ speed mode at low speed.
Adds saliency tracking at low speed.
Parameter Type:
Unit:
Access Type:
Parameter Type:
Parameter Descriptions
%
Read/Write
Range (0.1 — 100000)
%
Read/Write
Selection
–
Read/Write
Range (0 — 500)
%
Read/Write
Range (1 — \*)
AB480436531518en-000601 / 136R0283