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ABB | SACE Tmax XT
80 | © 2019 ABB | 1SDH002039A1002 - ECN000093027 - Rev. A
Protections | 11 - Performance table
Voltage protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
UV [27] / UV2 [27] t
t
= t8 (t15)
± 2 %
(4)
with t8
≥
5 s: ± 100 ms / with t8 < 5 s: the
best between ± 10 % and ± 40 ms
OV [59] / OV2 [59] t
t
= t9 (t16)
± 2 %
(4)
with t9
≥
5 s: ± 100 ms / with t9 < 5 s: the
best between ± 10 % and ± 40 ms
VU [47]
t
t
= t14
± 5 %
with t14
≥
5 s: ± 100 ms / with t14 < 5 s: the
best between ± 10 % and ± 40 ms
Voltage Advanced protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
S(V) [51V] / S2(V)
[51V]
t
t
= t20 (t21)
± 10 %
with t20
≥
5 s: ± 100 ms / with t20 < 5 s: the
best between ± 10 % and ± 40 ms
RV [59N]
t
t
= t22
± 10 %
with t22
≥
5 s: ± 100 ms / with t22 < 5 s: the
best between ± 10 % and ± 40 ms
Frequency protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
UF [81L] / UF2
[87L]
t
t
= t12 (t17)
± 1 %
(5)
with t12
≤
5 s: ± 100 ms / with t12 < 5 s: the
best between ± 10 % (min = 30 ms) and ±
40 ms
OF [81H] / OF2
[87H]
t
t
= t13 (t18)
± 1 %
(5)
with t13
≥
5 s: ± 100 ms / with t13 < 5 s: the
best between ± 10 % and ± 40 ms
Power protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
UP [32LF]
t
t
= t23
± 10 %
with t23
≥
5 s: ± 100 ms / with t23 < 5 s: the
best between ± 10 % and ± 40 ms
OP [320F]
t
t
= t26
± 10 %
with t26
≥
5 s: ± 100 ms / with t26 < 5 s: the
best between ± 10 % and ± 40 ms
RQ [40 o 32R]
t
t
= t24
± 10 %
with t24
≥
5 s: ± 100 ms / with t24 < 5 s: the
best between ± 10 % and ± 40 ms
OQ [320F]
t
t
= t27
± 10 %
with t27
≥
5 s: ± 100 ms / with t27 < 5 s: the
best between ± 10 % and ± 40 ms
D [67]
t
t
= t7
with If
≤
6 In: ± 7
% / with If > 6 In: ±
10 %
with t7
≥
400 ms: ± 40 ms / with t7 < 400 ms:
± 20 ms and ± 10%, whichever is the highest
RP [32R]
t
t
= t11
± 10 %
with t11
≥
5 s: ± 100 ms / with t11 < 5 s: the
best between ± 10 % and ± 40 ms
Startup
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
D StartUp
t
t
= t7 startup
± 10 %
con t11
≥
5 s: ± 100 ms / con t11 < 5 s: the
best between ± 10 % and ± 40 ms
UP StartUp
t
t
= t23 startup
± 10 %
with t23
≥
5 s: ± 100 ms / with t23 < 5 s: the
best between ± 10 % and ± 40 ms
ROCOF protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
ROCOF [81R]
t
t
= t28
± 10 %
(6)
the best between ± 20% and 200 ms
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