CIRCUTOR AFQ Series - Manual (Page 25)

AFQ-4W
Instruction Manual 25
3.6.- PARALLEL CONNECTION OF 2 TO 8 ACTIVE FILTERS
You can connect up to 8 active filters by connecting the three phases plus the
neutral in parallel. The load current measurement connects in series so that all of
the filters are using the same measuring transformers on the load. ( Figure 19 )
Figure 19: Parallel connection of 2 to 8 filters.
Section 4.3.3. explains how to configure the active filter to work with different
active filters in parallel.
All of the active filters connected in parallel must have exactly the
same configuration in the WORK MODE and PARAMETERS. Refer
to section 4.3.- CONFIGURATION
MAINS side
LOAD side
AFQ-4W AFQ-4W AFQ-4W