14
Wiring diagrams (continued)
Single-phase wiring
Typical diagram - do not represent the internal connexion of our capacitor banks
SINGLE-PHASE CONNECTION
Wiring configuration for single-phase applications
Voltage measure
1 phase voltage reading L1-N
Current measure
L1 phase
Phase angle offset
Between V (L1-N ) and I (L1)
➔
0°
Capacitor overload current measure
1 reading calculated on L1-N
Parameter setting
P.03 = L1
P.05 = L1-N
P.24 = 1PH
NOTES: – IMPORTANT: The polarity of the current/voltage input is indifferent
Configuration with MV measurement and correction on LV side
Typical diagram - do not represent the internal connexion of our capacitor banks
Configuration with MV measurement and LV correction
Voltage measure
3 ph-to-ph voltage reading L1-L2, L2-L3, L3-L1
on MV side
Current measure
L1-L2-L3 phase
Phase angle offset
90°
Capacitor overload current measure
1 reading on L1-L3, LV side
Parameter setting
P.03 = L3
P.05 = L1-L2
P.24 = 3PH
P.34 = VT primary
P35 = VT secondary
NOTES: IMPORTANT! – The polarity of the current/voltage input is indifferent.
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