DCS800-EP Installation and Start-Up Manual
15
Line reactors (cont)
Configuration C
If an isolation transformer is used, it is possible to comply with certain
connecting conditions per Configuration B without using an additional line
reactor. The condition described in Configuration A will then likewise be
satisfied, since the u
k
is >1 %.
Configuration C1
If 2 or more converters are supplied by one transformer, the
final configuration depends on the number of drives in use
and their power capability.
Either configuration A or B (which are based on commutation
chokes) has to be used, if the drive system consists of any of
the converters (D1, D2, D3, D4.)
With reference to the power converter:
The line reactors are listed in the table on page 30. They:
•
have been sized to the units nominal current
•
are based on a duty cycle
For further information in this publication:
See chapter
Accessories - Line reactors.
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