Siemens SINAMICS S120 - Page 59

Line connection and line-side power components
3.7 Line filters
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
59
NOTICE
Line filter damage by connecting to impermissible line supplies
The line filters are only suitable for direct connection to line supplies with grounded neutral
point. Connecting the line filter to other line supplies will destroy the line filter.
• Only connect the line filter to line supplies with grounded neutral point.
NOTICE
Line filter damage due to interchanged connections
The line filter will be damaged if the input and output connections are interchanged.
• Connect the incoming line supply cable to LINE L1, L2, L3.
• Connect the outgoing line to line reactor at LOAD L1´, L2´, L3´ (U, V, W).
NOTICE
Damage to the system caused by a line filter that is not permissible
A line filter that is not permissible can cause system damage.
• Only use the line filter with the components specified in Chapter Combination options,
Line Modules with line reactors and line filters (Page 135).
NOTICE
Destruction or damage to components by incorrectly connecting the line filter
When incorrectly connecting the line filter, these components can be destroyed or
damaged.
• Only connect the Line Module to the SINAMICS line filter via the associated line reactor.
• Connect additional loads upstream of the SINAMICS line filter (if required, via a
separate line filter).
Note
Disconnect the line filter for a high-voltage test
If a high
-voltage test is conducted with alternating voltage in the system, the existing line
filters must be disconnected in order to obtain accurate
measurements.