WEG MVW3000 Series, Programming Manual

Page: 181 / 264

5
DETAILED PARAMETER DESCRIPTION
✓
NOTE!
This parameter can be changed only with the motor stopped.
P1550 - Transformer 1 CT Ratio
Adjustable range: 1 to 3000 Factory setting: 200
Acesso: Menu
→
Configurations
→
Nominal data
→
Inverter
Description:
It sets the ratio of the current transformers used in the measurement of the inverter input current.
Set it according to the current transformer nameplate data.
Notes:
It is recommended that the CT primary current be greater than or equal to the transformer primary rated current.
The CT primary current must be smaller than 1.95 times the transformer primary rated current.
WARNING!
In case the user sets a value in P1550 that is out of the mandatory range, programming error will
occur.
✓
NOTE!
This parameter can be changed only with the motor stopped.
P1551 - Ratio between the voltage of the primary and the auxiliary output of the transformer 1
Adjustable range: 1.00 to 50.00 Factory setting: 18.14
Acesso: Menu
→
Configurations
→
Nominal data
→
Inverter
Description:
It sets the voltage ratio between the primary and the auxiliary output of the input transformer.
Set it according to the nameplate data of the transformer used.
✓
NOTE!
This parameter can be changed only with the motor stopped.
P1552 - Taps of transformer 1
Adjustable range: -5.00 to 5.00 % Factory setting: 0.00 %
Acesso: Menu
→
Configurations
→
Nominal data
→
Inverter
Description:
It sets the modification occurred on the voltage supplied for the inverter cells.
Set it according to the input transformer tap connections.
✓
NOTE!
This parameter can be changed only with the motor stopped.
MVW3000 | 5-105