Fundamental Principles and System Description
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
192/528
Figure 2c) shows the characteristic curve of the efficiency for drives with quadratic load characteristic as a function of
the active output power ratio P
Out
/P
Out-100
which is proportional to the motor power ratio P/P
rated
.
Converter efficiency in %
Figure 2c)
Efficiency of SINAMICS S150 converters in drives with quadratic load characteristic
as a function of the active output power ratio in %
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