ABB ACQ80 Firmware Manual page 43

MPPT operation with Solar power only
Early Morning
Max PV DC Power > Motor Power
Nominal PV DC Power
= Motor Power
Low PV DC Power
Full flow from pump
Low flow from pump
Note: Based on the application requirement, pump ON-OFF can be controlled by
parameter
79.10 Operating
rate depends on the power availability as explained in the above graph.
MPPT operation with both Solar and AC grid or generator power
Early Morning
Max PV DC Power > Motor Power
Nominal PV DC Power
= Motor Power
Low PV DC Power
AC Power On
AC Power Off
Full flow from pump
Low flow from pump
Note: Based on the application requirement, pump ON-OFF can be controlled by
parameter
79.10 Operating
rate depends on the power availability as explained in the above graph.
Use of PID output as MTTP speed limit
In normal MPPT operation, the maximum pump speed defined in the parameter
79.52 Pump maximum speed
operation. When PID is enabled, the PID output generated by the PID set 1
Mid Day
mode. During an ON command to the drive, the flow
Mid Day
mode. During an ON command to the drive, the flow
is used as the maximum speed limit for MPPT
Program features 43
Evening
Evening