Circutor AFQ Series Uživatelský manuál Strana 55

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AFQ-4W
Instruction Manual 55
4.3.3.- CONFIGURATION OF PARAMETERS
This menu (Figure 56) contains the parameters that have to be configured during
the installation of the active filter. To be modify these parameters, you have to
unlock the password (refer to 4.3.6.- PASSWORD) and have the filter in “STOP
mode.
Figure 56: Parameter configuration screen.
Transformer ratio:
The ratio between the load transformer primary and secondary.
The active filter admits the following transformation ratios: 5/5, 10/5, 15/5, 20/5,
25/5, 30/5, 40/5, 50/5, 60/5, 75/5, 100/5, 125/5, 150/5, 200/5, 250/5, 300/5,
400/5, 500/5, 600/5, 700/5, 750/5, 800/5, 1000/5, 1200/5, 1500/5, 1600/5,
2000/5, 2500/5, 3000/5, 4000/5 and 5000/5.
Minimum current:
The minimum load current to start the active filter. The AFQ-4W will stop when
the load current is below the entered value and will start when it is higher.
Control algorithm:
Control algorithm selection:
1, Frequency mode: Harmonic filtering based on the selection of the
harmonics to be neutralised from the 3rd to the 25th. (Option enabled by
default.)
2, Temporary mode: Harmonic filtering based on the total and instant
neutralisation of the 3rd to 50th harmonics.
When the temporary mode is active, the AFQ-4W resets all the harmonics
selected in “Selective filtering” (Section 4.3.2.2) to completely neutralise
the harmonics.
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