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What is the difference between dynamic boost and static boost on ATV320 drive?

Issue:
What is the difference between dynamic boost and static boost on ATV320 drive?

Product Line:
Altivar 320

Environment:
All

Cause:
N/A

Resolution:
ATV320 :
The boost function can be dynamic  or static [StAt]
  • The dynamic boost [DynA] adapt automatically the magnetizing current in function of load, however it could not exceed the value of the fixed define in the limit set in the percentage of rated magnetizing current [Boo]  up to the frequency [Fab] as the picture below:
An exeption exist : if BOA=[DYN] and BOO=0 and FAB=0, the magnetizing limit is equivalent to the setting BOO=25% FAB=30
 
  • The static boost [StAt], generate the magnetizing current following the profile below. 
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