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Instruction Manual
AFQm
The phase balancing option in AFQm-3WF-xxxx works in unbalances produced by loads
connected between phases in three-phase mains without neutral. The AFQm-3WF-xxxx
does not compensate unbalances produced by single-phase loads connected between
phase and neutral. Use a AFQm-4WF-xxxx to correct this type of unbalances.
Priority
Enable this option so that the device prioritises the functions in case of filter current saturation due to
overload:
With the function enabled, the current balancing between phases and the reactive current compensa-
tion is prioritised over the harmonic filtering.
With the function disabled, priority is given to the current harmonic filtering and power factor correc-
tion and overload balancing are penalised.
Table 24: Order of priorities
Priority Order of priorities function
Disabled Enabled
+
Harmonic filtering
Phase balancing
Power factor correction
-
Phase balancing
Power factor correction
Harmonic filtering
Reactive
Enable this function so that the device compensates the reactive energy or corrects the displacement
power factor, cos Φ.
Press the key to access the next configuration step
Press the key to access the main screen of the device without saving the configuration values
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