Operate And Reset Time (46It) - Siemens 7SR10 Argus Series Manual

2.5.6

Operate and Reset Time (46IT)

Attribute
Starter operate time (≥ 2xI
t Operate time
op
Reset time
Repeatability
Overshoot time
Disengaging time
© 2018 Siemens Protection Devices Limited
)
s
char = IEC-NI,
IEC-VI,
IEC-EI,
IEC-LTI
char = ANSI-MI,
ANSI-VI,
ANSI-EI
char = DTL
ANSI DECAYING
IEC DECAYING
t
res
Value
35 ms, ± 10 ms
K
t = × Tm
, ± 5 % absolute or ± 50 ms,
[ ]
op
α
I
− 1
Is
for char = IEC-NI : K = 0.14, α = 0.02
IEC-VI : K = 13.5, α = 1.0
IEC-EI : K = 80.0, α = 2.0
IEC-LTI : K = 120.0, α = 1.0
 
A
 
t B Tm
= + ×
[ ]
op
 
P
I
− 1
 
Is
(ANSI-EI +5 % -10 % absolute for I/I
for char = ANSI-MI : A = 0.0515, B = 0.114, P = 0.02
ANSI-VI : A = 19.61, B = 0.491, P = 2.0
ANSI-EI : A = 28.2,
t , ± 1 % or ± 20 ms
d
R
t = × Tm
, ± 5 % absolute or ± 50 ms,
[ ]
res
2
− 1
I
Is
for char = ANSI-MI : R = 4.85
ANSI-VI : R = 21.6
ANSI-EI : R = 29.1
R
t = × Tm
, ± 5 % absolute or ± 50 ms,
[ ]
res
2
− 1
I
Is
for char = IEC-NI : R = 9.7
IEC-VI : R = 43.2
IEC-EI : R = 58.2
IEC-LTI : R = 80
t , ± 1 % or ± 20 ms
res
± 1 % or ± 20 ms
< 40 ms
< 60 ms
7SR10 Performance Specification
, ± 5 % absolute or ± 50 ms,
>10 with TMS >2)
s
B = 0.1217, P = 2.0
Chapter 3 Page 20 of 52