ABB SPAJ 160 C User Manual And Technical Description page 4

4
Fig.3. Protection of a capacitor bank connected as a double-star in an industrial network with
two- or three-phase current measurement. In this case a non-directional earth-fault protection is
used.
Fig.4. Protection of a one-phase bridge connected capacitor filter bank.
3I>>
e.g.
SPAJ 140 C or
I
SPAJ 141 C
3I/U>
SPAJ 160 C
I/U<
I
N-N
1I>>
e.g.
SPAA 120 C or
I
SPAA 121 C
1I/U>
SPAJ 160 C
I/U<
I
N-N