ABB SPAC 315 C User Manual And Technical Description page 106

Technical data
26
Low-set overcurrent stage I>
Start current
- definite time characteristic
- inverse time characteristic
Start time, typ.
Operation characteristic
- definite time characteristic
- operate time
- Inverse time characteristic acc. to
BS 142 and IEC 255-4
- special characteristic acc. to ABB standards
- time multiplier k
Reset time, typ.
Retardation time
Drop-off/pick-up ratio, typ.
Operate time accuracy at definite time
operation characteristic
Operate time accuracy class E at inverse
time characteristic
Operation accuracy
High-set overcurrent stage I>>
Start current I>>
Start time, typ.
Operate time
Reset time, typ.
Retardation time
Drop-off/pick-up ratio, typ.
Operate time accuracy
Operation accuracy
Low-set earth-fault stage I
Start current I >
0
Start time, typ.
Operation characteristic
- definite time characteristic
- operate time
- Inverse time characteristic acc. to
BS 142 and IEC 255-4
- special characteristic acc. to ABB standards
- time multiplier k
0
Reset time, typ.
Retardation time
Drop-off/pick-up ratio, typ.
Operate time accuracy at definite time
operation characteristic
Operate time accuracy class E at inverse
time characteristic
Operation accuracy
>
0
0.5...5.0 x I
n
0.5...2.5 x I
n
50 ms
0.05...300 s
Extremely inverse
Very inverse
Normal inverse
Long-time inverse
RI-type inverse
RXIDG-type inverse
0.05...1.00
40 ms
<30 ms
0.96
±2 % of set value or ±25 ms
5
±3% of set value
or ∞, infinite
0.5...40.0 x I
n
40 ms
0.04...300 s
40 ms
<30 ms
0.98
±2% of set value or ±25 ms
±3% of set value
0.1...0.8 x I
n
60 ms
0.05...300 s
Extremely inverse
Very inverse
Normal inverse
Long-time inverse
RI-type inverse
RXIDG-type inverse
0.05...1.00
40 ms
<30 ms
0.96
±2 % of set value or ±25 ms
5
±3% of set value