10.Advanced functions

10.8Auto tuning

 

Group

 

LED Display

 

Parameter Name

 

Set

 

Min/Max

 

Factory

 

Unit

 

 

 

 

 

value

 

Range

 

Defaults

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Function

 

 

H41

[Auto tuning]

 

1

 

0/1

0

-

group 2

 

H42

[Stator resistance (Rs)]

-

0/14.0

-

 

 

 

 

 

 

 

 

 

 

 

 

H44

[Leakage inductance (Lσ)]

-

0/300.00

-

mH

Automatic measuring of the motor parameters is provided.

The measured motor parameters in H41 can be used in Auto Torque Boost and Sensorless Vector Control.

Caution :

Auto tuning should be executed after stopping the motor. Motor shaft must not run by the load during H41 – [Auto tuning].

H41 : When H41 is set to 1 and press the Prog/Ent () key, Auto tuning is activated and “TUn” will appear on the LED keypad. When finished, “H41” will be displayed.

H42, H44 : The values of motor stator resistance and leakage inductance detected in H41 are displayed, respectively. When H93 – [Parameter initialize] is done, the preset value corresponding to motor type (H30) will be displayed.

Press the STOP/RST key on the keypad or turn on the BX terminal to stop the Auto Tuning. If Auto tuning of H42 and H44 is interrupted, the preset value will be used.

See page 10-12 for motor preset parameter values.

Caution :

Do not enter any incorrect value as stator resistance and leakage inductance. Otherwise, the function of Sensorless vector control and Auto torque boost could be deteriorated.

10-10

SV-iC5

Page 98
Image 98
LG Electronics SV-iC5 Series manual H41 Auto tuning

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