Fundamental Principles and System Description
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
147/528
1. Standard measures for the SINAMICS drives described in this engineering manual
1.1 Drive with one motor
o Good equipotential bonding due to EMC-compliant installation
o Insulated bearing at NDE of motor
1.2 Drive with two motors in tandem arrangement
o Good equipotential bonding due to EMC-compliant installation
o Insulated bearings at NDEs of motors
o Insulating coupling between the two motors
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