Function library
Selection of control mode, optimisation of operating behaviour
7−2
L
EDB82MV752 EN 5.2
7.1 Operating mode
Description
The control mode of the controller can be selected via the operating mode. You can select between
V/f characteristic control
Vector control
Sensorless torque control
Selection of the correct operating mode
V/f characteristic control is the classic operating mode for standard applications.
The vector control provides a better control performance than the V/f characteristic control due to:
a higher torque over the whole speed range
a higher speed accuracy and concentricity factor
a higher efficiency
M
nn
N
M
N
8200vec524
Fig. 7−1 Comparison of V/f characteristic control and vector control
V/f characteristic control
Vector control
Operating modes recommended for standard applications
The following table helps you to find the correct operating mode for standard applications:
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