Line connection and line-side power components
3.11 Line connection variants
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
139
Operation of the line connection components via a transformer
3.11.3.1
Safety instructions for line connection components
Danger to life through electric shock as well as fire hazard due to overcurrent protective
devices that either do not trip – or trip too late
Overcurrent protective devices that do not trip or trip too late can cause an electric shock or
fire.
• To protect personnel and for fire protection purposes, at the infeed point, the system
fault level and loop impedance must correspond to the specifications in the
documentation in order for the installed overcurrent protection devices to trip within the
specified time.
Destruction or damage to additional loads as a result of undesirable line harmonics
Line harmonics can occur if line filters that differ from those listed in this manual are used.
These can destroy or damage other loads connected to the line supply.
• Only use line filters that are listed in this Manual.
Destruction or damage to additional loads as a result of incorrect connection
When incorrectly connecting the line filter, other loads can be destroyed or damaged.
• Connect additional loads upstream of the SINAMICS line filter (if required, via a
separate line filter).
Note
If, for Line Modules, a transformer is used, this does not replace the external line reactor.
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