46Nps Negative Phase Sequence Overcurrent; Reference (46Dt); Operate And Reset Level (46Dt); Operate And Reset Time (46Dt) - Siemens 7SR224 Technical Manual

2.3

46NPS Negative Phase Sequence Overcurrent

2.3.1

Reference (46DT)

Parameter
I Setting
s
t Delay setting
d
2.3.2

Operate and Reset Level (46DT)

Attribute
I Operate level
op
Reset level
Repeatability
Transient overreach
(X/R ≤ 100)
-10 °C to +55 °C
Variation
f
nom
2.3.3

Operate and Reset Time (46DT)

Attribute
t Element basic operate time
basic
t Operate time following delay
op
Repeatability
Overshoot time
Disengaging time
©2010 Siemens Protection Devices Limited
Value
0.05, 0.06... 4.0xIn
0.00, 0.01...20.00, 20.50... 100, 101... 1000, 1010...
10000, 10100... 14400 s
Value
100 % Is, ± 5 % or ± 1% In
≥ 95 % I
± 1 %
≤ -5 %
≤ 5 %
≤ 5 %
- 3 Hz to f + 2 Hz
nom
Value
0 to 2 xIs: 40 ms, ± 10ms
0 to 5 xIs: 30 ms, ± 10ms
t + t
basic
± 1 % or ± 10ms
<40 ms
< 60 ms
7SR224 Argus Performance Specification
op
, ± 1 % or ± 10ms
d
Chapter 3 Page 18 of 49