SMA CLUSTER CONTROLLER Installation - Manual (Page 66)

Interpretation of Signal Strength as a Reactive Power Setpoint Value
Depending on the value of the reactive power setpoint that was selected via the user interface (see
the Cluster Controller user manual), the strength of the feedback signal corresponds either to the
percentage value for the reactive power setpoint or to the latest displacement power factor cos φ
sent to the inverters in the system.
Figure 29: Interpretation of the signal strength as a percentage value of the reactive power setpoint in relation
to the inverter parameter Currently set active power limit or Pmax
Figure 30: Interpretation of the signal strength as displacement power factor cos φ
6 Connection and Commissioning SMA Solar Technology AG / SMA America, LLC
Installation Manual ClusterController-IA-en-14 66