About The Cfw-11; Chapter 3 About The - WEG CFW-11 Programming Manual

3.1 ABOUT THE CFW-11

The CFW-11 is a high performance Frequency Inverter that makes it possible the control of speed and torque
of three-phase AC induction motors. The principal characteristic of this product is the "Vectrue" technology,
which presents the following advantages:
Scalar Control (V/f), VVW or vector control programmable in the same product;
The Vector control can be programmed as "sensorless" (which means that standard motors, without the
need of encoder) or vector control with motor encoder;
The "sensorless" vector control allows high torque and fast response, even at very slow speeds or during
starting;
The "Optimal Braking" function for the vector control allows a controlled motor braking, eliminating in some
applications the braking resistor;
The vector control "Self-Tuning" function allows the automatic setting of the regulators and control parameters,
from the identification (also automatic) of the motor and load parameters.
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About the CFW-11
ABOUT THE CFW-11
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