Undercurrent; Reference; Operate And Reset Level; Operate And Reset Time - Siemens 7SR10 Argus Series Manual

2.4

37 Undercurrent

2.4.1

Reference

Parameter
Is Setting
t Delay setting
d
2.4.2

Operate and Reset Level

Attribute
I Operate level
op
Reset level
Repeatability
-10 °C to +60 °C
Variation
f
2.4.3

Operate and Reset Time

Attribute
t Element basic operate time
basic
t Operate time following delay
op
Repeatability
Overshoot time
Disengaging time
© 2018 Siemens Protection Devices Limited
± 5 %
nom
Value
0.05, 0.10...5.0xI
n
0.00, 0.01...20.00, 20.10... 100, 101... 1000, 1010...
10000, 10100... 14400 s
Value
100 % I , ± 5 % or ± 1% I
s
≤ 105 % I
op
± 1 %
≤ 5 %
≤ 5 %
Value
1.1 to 0.5xI : 35 ms, ± 10 ms
s
t + t , ± 1 % or ± 10 ms
basic d
± 1 % or ± 10ms
< 40 ms
< 60 ms
7SR10 Performance Specification
n
Chapter 3 Page 18 of 52