Issue:
Differences between nPr and CoS on the ATV320 drive.
Product Line:
Altivar 320
Environment:
All
Cause:
Configuration
Resolution:
nPr: This is the rated motor power. This should be set to the motor horsepower given on the name plate.
CoS: This is the motor 1 cosinus phi value or more commonly known as motor power factory (PF). This has a range of .5 to 1. The motor nameplate may be designated PF or COS.
Differences between nPr and CoS on the ATV320 drive.
Product Line:
Altivar 320
Environment:
All
Cause:
Configuration
Resolution:
nPr: This is the rated motor power. This should be set to the motor horsepower given on the name plate.
CoS: This is the motor 1 cosinus phi value or more commonly known as motor power factory (PF). This has a range of .5 to 1. The motor nameplate may be designated PF or COS.
Released for:Schneider Electric USA
