Remote-Controlled Fixed Value Cos (Phi) Shift Factor Only Solar-Log™ Pm+); Fig.: Schematic Diagram Of A Ripple Control Receiver With Four Relays - Solar-Log 200 Manual

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16.13.6 Remote-controlled fi xed value cos (Phi) shift factor
This option allows the cos (Phi) shift factor to be remotely controlled by the grid operator. To enable this
function, a ripple control receiver or similar device is required. Typically, these devices are provided by the
grid operator for a fee.
The type of ripple control receiver or telecontrol technology used depends on the level of development
of the respective grid operator. The control signals emitted by the grid operator are converted to potenti-
al-free signal contacts by the ripple control receiver and can be evaluated by the Solar-Log™ PM+ models
via the digital PM+ interface.
Note!
Channel settings for power reduction section
The relay outputs for the ripple control receiver are connected to the PM+ input of the Solar-Log™. This
allows the grid operator's signals to be evaluated by the Solar-Log™.

Fig.: Schematic diagram of a ripple control receiver with four relays.

The relay for reactive power control is wired to the PM+ interface.
Note!
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The ripple control receiver's potential-free commands have to be present for the durati-
on of the command. Command impulses cannot be processed.
The function of the PM+ interface is only possible when the contacts of the ripple control
receiver are potential free and are wired with a supply voltage of 5VDC from the PM+
interface.
only Solar-Log™ PM+)