User`s guide

20
CHAPTER 2 - GENERAL INFORMATION
2.3
ABOUT THE CFW-08
The CFW-08 frequencyinverter provides two control options:
vector control (VVC: voltage vector control) or V/F (scalar);
both types of control can be set according to the application.
In thevector controlmode,themotor performance isoptimized
relating to torque and speed regulation.
The"Self-Tuning"function, available invector control, permits
the automatic setting of the inverter parameter from the
identification (also automatic) of the parameters of the motor
connected at the inverter output.
The V/F (scalar) mode is recommended for simpler
applications such as pump and fan drives.In these casesone
can reduce the motor and inverter losses by using the
"Quadratic V/F" option, that results in energy saving.
TheV/F modeis alsoused when morethan one motorshould
be driven simultaneously by one inverter (multimotor
application).
For power ratings and further technical information, refer to
Chapter 9.
The block diagram below gives a general overview of the
CFW-08.