Page 95 - Sace Emax 2 Manual for design engineers

ABB | SACE Emax 2
Voltage protections Protection Trip threshold
[ANSI code] Trip time t t tolerance (3) Trip time tolerance
with t8 ≥ 5 s: ± 100 ms / with t8 < 5 s: the
UV [27] / UV2 [27] t = t8 (t15) ± 2 % (4)
t best between ± 10 % and ± 40 ms
with t9 ≥ 5 s: ± 100 ms / with t9 < 5 s: the
OV [59] / OV2 [59] t = t9 (t16) ± 2 % (4)
t best between ± 10 % and ± 40 ms
with t14 ≥ 5 s: ± 100 ms / with t14 < 5 s: the
VU [47] t = t14 ± 5 % (11)
t best between ± 10 % and ± 40 ms

Voltage Advanced protections Protection Trip threshold
[ANSI code] Trip time t t tolerance (3) Trip time tolerance
S(V) [51V] / S2(V) with t20 ≥ 5 s: ± 100 ms / with t20 < 5 s: the
[51V] t = t20 (t21) ± 10 % best between ± 10 % and ± 40 ms
t
with t22 ≥ 5 s: ± 100 ms / with t22 < 5 s: the
RV [59N] t = t22 ± 10 %
t best between ± 10 % and ± 40 ms

Frequency protections Protection Trip threshold
[ANSI code] Trip time t t tolerance (3) Trip time tolerance
with t12 ≤ 5 s: ± 100 ms / with t12 < 5 s: the
UF [81L] / UF2 t = t12 (t17) ± 1 % (5) best between ± 10 % (min = 30 ms) and ±
[87L] t
40 ms
OF [81H] / OF2 t = t13 (t18) ± 1 % (5) with t13 ≥ 5 s: ± 100 ms / with t13 < 5 s: the
[87H] t best between ± 10 % and ± 40 ms

Power protections Protection Trip threshold
Trip time t Trip time tolerance
[ANSI code] t tolerance (3)
with t23 ≥ 5 s: ± 100 ms / with t23 < 5 s: the
UP [32LF] t = t23 ± 10 %
t best between ± 10 % and ± 40 ms
with t26 ≥ 5 s: ± 100 ms / with t26 < 5 s: the
OP [320F] t = t26 ± 10 %
t best between ± 10 % and ± 40 ms
with t24 ≥ 5 s: ± 100 ms / with t24 < 5 s: the
RQ [40 o 32R] t = t24 ± 10 %
t best between ± 10 % and ± 40 ms
with t27 ≥ 5 s: ± 100 ms / with t27 < 5 s: the
OQ [320F] t = t27 ± 10 %
t best between ± 10 % and ± 40 ms
with If ≤ 6 In: ± 7 % / with t7 ≥ 400 ms: ± 40 ms / with t7 < 400 ms:
D [67] t = t7
t with If > 6 In: ± 10 % ± 20 ms and ± 10%, whichever is the highest
with t11 ≥ 5 s: ± 100 ms / with t11 < 5 s: the
RP [32R] t = t11 ± 10 %
t best between ± 10 % and ± 40 ms

Startup
Protection Trip time t Trip threshold Trip time tolerance
[ANSI code] t tolerance (3)
con t11 ≥ 5 s: ± 100 ms / con t11 < 5 s: il
D StartUp t = t7 startup ± 10 %
t migliore tra ± 10 % e ± 40 ms
with t23 ≥ 5 s: ± 100 ms / with t23 < 5 s: the
UP StartUp t = t23 startup ± 10 % best between ± 10 % and ± 40 ms
t

ROCOF Protection Protection Trip threshold
[ANSI code] Trip time t t tolerance (3) Trip time tolerance
ROCOF [81R] t = t28 ± 10 % (6) the best between ± 20% and 200 ms
t

93 | © 2020 ABB | 1SDH001330R1002 - ECN000134959 - Rev. A Ekip Touch - Protections | 11 - Performance table