Negative Phase Sequence Overcurrent; Reference (46Dt); Operate And Reset Level (46Dt); Operate And Reset Time (46Dt) - Siemens 7SR10 Argus Series Manual

2.5

46 Negative Phase Sequence Overcurrent

2.5.1

Reference (46DT)

Parameter
I Setting
s
t Delay setting
d
2.5.2

Operate and Reset Level (46DT)

Attribute
I Operate level
op
Reset level
Repeatability
Transient overreach
(X/R ≤ 100)
Variation
2.5.3

Operate and Reset Time (46DT)

Attribute
t Element basic operate time
basic
t Operate time following delay
op
Repeatability
Overshoot time
Disengaging time
2.5.4

Reference (46IT)

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
2.5.5

Operate and Reset Level (46IT)

Attribute
I Operate level
op
Reset level
Repeatability
Variation
© 2018 Siemens Protection Devices Limited
-10 °C to +60 °C
f ± 5 %
nom
-10 °C to +60 °C
f ± 5 %
nom
Value
0.05, 0.06... 4.0xI
n
0.00, 0.01...20.00, 20.10... 100, 101... 1000, 1010...
10000, 10100... 14400 s
Value
100 % Is, ± 5 % or ± 1 % I
≥ 95 % I
op
± 1 %
≤ -5 %
≤ 5 %
≤ 5 %
Value
0 to 2xI : 40 ms, ± 10 ms
s
0 to 5xI : 30 ms, ± 10 ms
s
t + t , ± 1 % or ± 10 ms
basic d
± 1 % or ± 10 ms
< 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... 2.5xI
n
2 to 20xI
s
0, 0.01... 20 s
ANSI DECAYING, 0, 1... 60 s
Value
105 % I , ± 4 % or ± 1 % I
s
≥ 95 % I
op
± 1 %
≤ 5 %
≤ 5 %
7SR10 Performance Specification
n
n
Chapter 3 Page 19 of 52