ABB | SACE Emax 2
Ekip Touch protection release | 10 - Measuring Pro protections
101 | © 2013
ABB |
1SDH001000R0002 - L7804
Summary table of Measuring Pro protections
ABB
ANSI
(3)
Threshold
Tolerance
threshold
Time
Calculation
formula t
t
(1)
Tolerance t
t
(2)
UV
27
U8 = 0.5….0.98 Un
Step = 0.001 Un
± 5 %
t8 = 0.05…60 s
step = 0.05 s
t
t
= t8
The better of the two values:
± 10% or ± 40 ms
OV
59
U9 = 1.02….1.5 Un
Step = 0.001 Un
± 5 %
t9 = 0.05…60 s
step = 0.05 s
t
t
= t9
The better of the two values:
± 10% or ± 40 ms
VU
47
U14 = 2…90 %
Step = 1 %
± 10 %
t14 = 0.5…60 s
step = 0.5 s
t
t
= t14
The better of the two values:
± 10% or ± 40 ms
UF
81L
f12 = 0.9….0.99 fn
Step = 0.01 fn
± 5 %
t12 = 0.2…60 s
step = 0.1 s
t
t
= t12
The better of the two values:
± 10% or ± 40 ms
OF
81H
f13 = 1.01….1.1 fn
Step = 0.01 fn
± 5 %
t13 = 0.5…60s
step = 0.01 s
t
t
= t13
The better of the two values:
± 10% or ± 40 ms
RP
32R
P11 = -1…-0.08 Sn
Step = 0.001 Sn
± 10 %
t11 = 0.5…100 s
step = 0.1 s
t
t
= t11
The better of the two values:
± 10% or ± 40 ms
Synchrocheck
25
Ulive = 0.5…1.1 Un;
Step = 0.01 Un
∆
U = 0.02…0.12 Un;
Step = 0.01 Un
∆
f = 0.1…1 Hz; Step =
0.1 Hz
∆
Cos
φ
= 5…50° elt;
Step = 5° elt
tsyn = 0.1…3 s; Step
= 0.1 s
± 10 %
tref = 0.1…30 s
step = 0.1 s
-
-
Cyclic
direction of
the phases
47
1-2-3 or 3-2-1
-
-
-
-
Cos
φ
78
Cos
φ
= 0.2…0.95
Step = 0.01
-
-
-
-
(1)
The calculation of t
t
is valid for values that have exceeded the activation threshold of the protection.
(2)
Valid tolerances with release energized in service conditions or with the auxiliary, tripping time = 100 ms, temperature and currents within operating
limits. If the conditions are not guaranteed, the tolerance of the tripping time becomes ± 20%.
(3)
ANSI / IEEE C37-2 encoding.