ABB SACE Emax E1.2, Инструкция по эксплуатации для конструктора-разработчика

Страница: 101 / 311

ABB | SACE Emax 2
Ekip Touch protection trip unit | 12 - G Touch protections 95 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Summary table for G Touch protections
ABB ANSI (5) Threshold
Tolerance
threshold
Tripping time
Calculation
formula t
t
(1)
Tolerance t
t
(2)
S(V)
(Step)
51V
I20 = 0.6...10 In; step = 0.1 In
(6)
Ul = 0.2…1 Un; step = 0.01 Un
Ks = 0.1…1; step = 0.01
(6)
± 10 %
t20 = 0.05…30 s
step = 0.01 s
t
t
= t20
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
S(V)
(3)
(Linear)
51V
I20 = 0.6...10 In; step = 0.1 In
(6)
Ul = 0.2…1 Un; step = 0.01 Un
(7)
Uh = 0.2…1 Un; step = 0.01 Un
(7)
Ks = 0.1…1; step = 0.01
(6)
± 10 %
t20 = 0.05…30 s
step = 0.01 s
t
t
= t20
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
RV
59N
U22 = 0.05….0.5 Un
step = 0.001 Un
± 5 %
t22 = 0.05…120 s
step = 0.01 s
t
t
= t22
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
RQ 40/32R
Q24 = -1…-0.1 Sn; step = 0.001 Sn
Kq = -2…2; step = 0.01
Vmin = 0.5...1.2 Un; step = 0.01
± 10 %
t24 = 0.5…100 s
step = 0.1 s
t
t
= t24
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
OP 32OF
P26 = 0.4…2 Sn
step = 0.001 Sn
± 10 %
t26 = 0.5…100 s
step = 0.5 s
t
t
= t26
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
OQ 32OF
Q27 = 0.4…2 Sn
step = 0.001 Sn
± 10 %
t27 = 0.5…100 s
step = 0.5 s
t
t
= t27
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
UP 32LF
P23 = 0.1...1 Sn
step = 0.001 Sn
± 10 %
t23 = 0.5…100 s
step = 0.5 s
t
t
= t23
The better of the two
values:
± 10 % or ± 40 ms (for
a time set < 5 s) / ± 100
ms (for a time set > 5 s)
Table of Additional functions of the protections
UP protection has Startup Enable:
ABB Time
(4)
UP (Startup)
t23
startup
= 0.1…30 s
step = 0.01 s
(1)
Calculation of t
t
is valid for values exceeding the tripping threshold of the protection.
(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)
The tripping threshold of the current for voltage values between Ul and Uh is calculated by performing the linear interpolation between the
thresholds Uh and I20 (first point on the line) and Ul and Ks * I20 (second point on the line). I
threshold
= [I20 * (1 - ks) * (U
measured
- Uh)] / (Uh - Ul) + I20.
(4)
The startup of protection UP is to be considered as the temporary deactivation time of the protection, starting from the exceeding of the startup
threshold.
(5)
ANSI / IEEE C37-2 encoding.
(6)
The setting of the Ks threshold must guarantee the following constraint: Ks * I20
≥
0.6 In.
(7)
The setting of thresholds Uh and Ul must guarantee the following constraint: Uh > Ul.