ABB SACE Emax E4.2 - Summary Table of Basic Protections

ABB | SACE Emax 2
94 | © 2013 ABB | 1SDH001000R0002 - L7804
Ekip Touch protection release | 9 - Touch protections
Summary table of Basic protections
ABB
ANSI
(9)
Threshold
Threshold
tolerance
(3)
Time
Calculation
formula t
t
(2)
Example
calculation t
t
(2)
Tolerance t
t
(3)
L
(60947-2)
49
I1 = 0.4…1 In
step = 0.001 In
activation for
If in the range
(1.05...1.2)
x I1
t1 = 3…144 s
step = 1 s
t
t
=
(9 t1) / (If / I1)
2
t
t
= 6.75 s
with:
I1 = 0.4 In; t1 =
3 s; If = 0.8 In
± 10 % with If ≤ 6 In
± 20 % with If > 6 In
L
(60255-3)
(1)
49
I1 = 0.4…1 In
step = 0.001 In
activation for
If in the range
(1.05...1.2)
x I1
t1 = 3…144 s
step = 1 s
t
t
=
(t1 x a x b) /
((If / I1)
k
-a)
see the table
below
± 10 % with If ≤ 6 In
± 20 % with If > 6 In
S
(t=k)
50 TD
I2 = 0.6...10 In
step = 0.1 In
± 7% with I2
≤ 6 In
± 10% with I2
> 6 In
t2 = 0.05…0.8
s
step = 0.01 s
t
t
= t2 -
The better of the
two values:
± 10 % or ± 40 ms
S
(t=k / I
2
)
51
I2 = 0.6...10 In
step = 0.1 In
± 7% with I2
≤ 6 In
± 10% with I2
> 6 In
t2 = 0.05…0.8
s
step = 0.01 s
t
t
=
(100 t2) / (If)
2
t
t
= 5 s con:
I2 = 1 In; t2 =
0.8 s; If = 4 In
± 15 % with If ≤ 6 In
± 20 % with If > 6 In
I 50
I3 = 1.5...15 In
step = 0.1 In
± 10 % Not adjustable t
t
≤ 30 ms - -
G
(t=k)
50N
TD
I4
(4)
= 0,1...1 In
step = 0.001 In
± 7 %
t4 = 0…1 s
step = 0.05 s
t
t
= t4 -
The better of the
two values:
± 10 % or ± 40 ms
(8)
G
(t=k / I
2
)
51N
I4
(4)
= 0,1...1 In
step = 0.001 In
± 7 %
t4 = 0.1…1 s
step = 0.05 s
t
t
=
2 / (If / I4)
2
t
t
= 0.32 s
with:
I4 = 0.8 In; t4 =
0.2 s; If = 2 In
± 15 %
MCR -
I3 = 1.5...15 In
step = 0.1 In
± 10 %
40…500 ms
(5)
step = 0.01 s
t
t
≤ 30 ms - -
IU 46
I6 = 2…90 %
step =1 %
± 10 %
t6 = 0.5…60 s
step= 0.5 s
t
t
= t6 - -
Iinst - Defined by ABB - Instantaneous - - -
Current
thresholds
(1 and 2)
-
50…100 % I1
step = 1 %
- - - - -
Current
thresholds
(Iw1 and
Iw2)
-
0.3…10 In
step = 0.01 In
- - - - -
Continued on the next page