SINAMICS DCP
Operating Instructions, 09/2019, A5E34382853K
21
Area of application
A SINAMICS DCP is used to control the electrical power flow between two direct current
systems. The device can be operated with current control or voltage control.
The main application of the SINAMICS DCP is to control the electrical power flow in the
following directions:
● from a DC link (side 1, terminals P1 and N1) into a stationary battery (side 2, terminals P2
and N2).
● from a battery (side 2, terminals P2 and N2) back into the DC link (side 1, terminals P1
and N1).
The power flow in both directions (from the DC link to the battery and from the battery to the
DC link) is called bidirectional.
The voltages of the two DC circuits are independent of one another.
Controlled by a signed current setpoint or a voltage setpoint, electric power can be
transferred in both directions, independent of the voltages of the two DC circuits (in the
nominal range).
The integration of a SINAMICS DCP in a complete technical system is illustrated in Chapter
"Block diagram with connection suggestion (Page 40)".
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