Negative Phase Sequence Overcurrent; Reference (46Dt); Operate And Reset Level (46Dt); Operate And Reset Time (46Dt) - Siemens 7SR12 Argus Manual

7SR11 & 7SR12 Performance Specification
2.5

46 Negative Phase Sequence Overcurrent

Reference (46DT)

2.5.1
Parameter
I Setting
s
t
Delay setting
d

Operate and Reset Level (46DT)

2.5.2
Attribute
I Operate level
op
Reset level
Repeatability
Transient overreach
(X/R ≤ 100)
Variation

Operate and Reset Time (46DT)

2.5.3
Attribute
t Element basic operate time
basic
t Operate time following delay
op
Repeatability
Overshoot time
Disengaging time

Reference (46IT)

2.5.4
Parameter
char Characteristic setting
Tm Time Multiplier setting
I Setting
s
Applied Current (for operate time)
I
IDMTL
t Delay setting
d
t Reset setting
res

Operate and Reset Level (46IT)

2.5.5
Attribute
I Operate level
op
Reset level
Repeatability
Variation
©2017 Siemens Protection Devices Limited
-10 °C to +55 °C
f ± 5 %
nom
-10 °C to +55 °C
f ± 5 %
nom
Value
0.05, 0.06... 4.0xIn
0.00, 0.01...20.00, 20.10... 100, 101... 1000, 1010...
10000, 10100... 14400 s
Value
100 % Is, ± 5 % or ± 1% In
≥ 95 % I
op
± 1 %
≤ -5 %
≤ 5 %
≤ 5 %
Value
0 to 2 xIs: 40 ms, ± 10ms
0 to 5 xIs: 30 ms, ± 10ms
, ± 1 % or ± 10ms
t + t
basic d
± 1 % or ± 10ms
<40 ms
< 60 ms
Value
IEC-NI, -VI, -EI, -LTI; ANSI-MI, -VI, -EI; DTL
0.025, 0.030... 1.0
0.05, 0.06... 2.5xIn
2 to 20 x Is
0, 0.01... 20 s
ANSI DECAYING, 0, 1... 60 s
Value
105 % Is, ± 4 % or ± 1% In
≥ 95 % I
op
± 1 %
≤ 5 %
≤ 5 %
Chapter 3 Page 22 of 56