Summary Table Of Measuring Pro Protections - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Summary table of Measuring Pro protections

ABB ANSI Threshold
(3)
U8 = 0.5....0.98 Un
UV 27
step = 0.001 Un
U9 = 1.02....1.5 Un
OV 59
step = 0.001 Un
U14 = 2...90 %
VU 47
step = 1 %
f12 = 0.9....0.999 fn
UF 81L
step = 0.001 fn
f13 = 1.001....1.1 fn
OF 81H
step = 0.001 fn
P11 = -1...-0.05 Sn
RP 32R
step = 0.001 Sn
Ulive = 0.5...1.1 Un; step = 0.001 Un
∆U = 0.02...0.12 Un; step = 0.001 Un
∆f = 0.1...1 Hz; step = 0.1 Hz
Synchrocheck 25
∆Cos φ = 5...50° elt; step = 5° elt
tsyn = 0.1...3 s; step = 0.1 s
Cyclic
direction of
47 1-2-3 or 3-2-1
the phases
Cos φ = 0.5...0.95
Cos φ
78
step = 0.01
(1)
Calculation of t is valid for values exceeding the tripping threshold of the protection.
t
(2) Valid tolerances with steady-state energized trip unit or trip unit energized by auxiliary power supply, tripping time ≥ 100 ms, temperature and
currents within operating limits. If these conditions are not guaranteed, the tripping time tolerance of ± 10 % will become ± 20%.
(3)
ANSI / IEEE C37-2 encoding.
(4)
Valid tolerance for frequencies in the range: fn ± 2 %. For frequency outside the range a tolerance of ± 5 % applies.
80 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Tolerance
Time
threshold
t8 = 0.05...120 s
± 2 %
step = 0.01 s
t9 = 0.05...120 s
± 2 %
step = 0.01 s
t14 = 0.5...60 s
± 5 %
step = 0.5 s
t12 = 0.15...300 s
± 1 %
(4)
step = 0.01 s
t13 = 0.15...300 s
± 1 %
(4)
step = 0.01 s
t11 = 0.5...100 s
± 10 %
step = 0.1 s
tref = 0.1...30 s
± 10 %
step = 1 ms
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Ekip Touch protection trip unit | 10 - Measuring Pro protections
ABB | SACE Emax 2
Calculation
Tolerance t
formula t (1)
t
t
The better of the two
values:
t = t8 ± 10 % or ± 40 ms (for a
t
time set < 5 s) / ± 100 ms
(for a time set ≥ 5 s)
The better of the two
values:
t = t9 ± 10 % or ± 40 ms (for a
t
time set < 5 s) / ± 100 ms
(for a time set ≥ 5 s)
The better of the two
values:
t = t14 ± 10 % or ± 40 ms (for a
t
time set < 5 s) / ± 100 ms
(for a time set ≥ 5 s)
The better of the two
values:
t = t12 ± 10 % or ± 40 ms (for a
t
time set < 5 s) / ± 100 ms
(for a time set ≥ 5 s)
The better of the two
values:
t = t13 ± 10 % or ± 40 ms (for a
t
time set < 5 s) / ± 100 ms
(for a time set ≥ 5 s)
The better of the two
values:
t = t11 ± 10 % or ± 40 ms (for a
t
time set < 5 s) / ± 100 ms
(for a time set ≥ 5 s)
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(2)