frako PQC - Page 49

Description of the menu | 49
FRAKO | Operating Manual | Power Quality Controller – PQC
Parametrizing control profile
Key
Action
Profile selec-
tion (Save
Yes/No)
Increase
value +
Decrease
value -
Back to
parameter
selection
–
cos φ
target
0.90 capacitive to 0.80 inductive (in increments of 0.01)
Parallel shift –2.0 to +4.0 (in increments of 0.5)
Limitation –2.0 to +2.0 (in increments of 0.5), OFF or with the SP (parallel
shift) option (mirror image of the characteristic curve across
the y-axis into the regeneration quadrants). Additional informa-
tion is given in the “PQC Application Note”.
Switching delay 5 to 500 seconds (in 1 s increments)
Phase L1, L2 or L3: select control phase
Active Activate control profile (only one profile can be active)
Setting cosφ
target
The desired value of cosφ
target
can be set from 0.80 inductive to 0.90 capacitive in
increments of 0.01. The mode of operation of this adjustment can be seen in the
following diagrams:
Control characteristic at
cosφ
target
=1
Limitation=0
Parallel shift=0
If the system operates within the
band range shown, no switching
operations will be activated.
Active power
Reactive power
ind
2
3
cap
Regeneration
Switch in
Switch out
One division =
0.65 × smallest cap.
stage
-3
-2