ABB RVC Installation And Operating Instructions Manual page 13

Power factor controllers
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C/k
C/k is the sensitivity of the PF Controller. It is usually set equal to 2/3 of the current of the first
capacitor step. It represents the threshold current value for the PF Controller to switch on or
off a capacitor step.
The C/k can be programmed from 0.050 to 1.00.
The value can be set either automatically (AUTO SET) or manually (MAN SET – C/k).
Phase shift
If the RVC is connected as shown on the connection diagram of the PF Controller, the phase
shift is 90° (default setting).
For special connections, please refer to chapter 10 – Programming.
Setting the phase shift may be done either automatically (AUTO SET) or manually (MAN SET –
PHASE).
Switching delay
The default value of the switching delay time between steps is 40s and can be programmed
from 1s to 999s.
Setting of switching delay time may be done manually (MAN SET – DELAY)
Output
Output represents the number of physical outputs and can be programmed from 1 to 12
according to the RVC type.
Setting the output may be done either automatically (AUTO SET) or manually (MAN SET –
OUTPUT).
Sequence
Switching sequences allowed by the RVC Controllers are:
1:1:1:1:1:...:1
1:2:2:2:2:...:2
1:2:4:4:4:...:4
1:2:4:8:8:...:8
1:1:2:2:2:...:2
1:1:2:4:4:...:4
1:1:2:4:8:...:8
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