ABB SPAJ 160 C User Manual And Technical Description page 56

20
t/s
100
10
1
0.1
0.01
1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00
Fig 6. Phase unbalance inverse-time characteristics of the capacitor bank protection module
SPCJ 4D40.
When the switch SGF/6 is in position 0 the operating times are according fig 6. In position 1 the
operating times are increased by a factor 10.
∆
k 2
1
0.7
0.5
0.4
0.3
0.2
0.1
∆
∆
Ic/ I2>