Neutral Voltage Displacement; Reference (59Ndt); Operate And Reset Level (59Ndt); Operate And Reset Time (59Ndt) - Siemens 7SR12 Argus Manual

7SR11 & 7SR12 Performance Specification
2.19 59N Neutral Voltage Displacement

Reference (59NDT)

2.19.1
Parameter
Vs Setting
t Delay setting
d

Operate and Reset Level (59NDT)

2.19.2
Attribute
V Operate level
op
Reset level
Repeatability
-10 °C to +55 °C
Variation
f
nom

Operate and Reset Time (59NDT)

2.19.3
Attribute
t Element basic operate time
basic
t Operate time following delay
op
Repeatability
Overshoot time
Disengaging time

Reference (59NIT)

2.19.4
Parameter
M Time Multiplier setting
Vs Setting
Applied Current (for Operate-Time)
3V
o
IDMTL
t Delay setting
d
t Reset setting
res

Operate and Reset Level (59NIT)

2.19.5
Attribute
V Operate level
op
Reset level
Repeatability
-10 °C to +55 °C
Variation
f
nom
Operate and Reset Time (59NIT)
Attribute
t
Starter operate time
basic
Applied Current (for Operate-Time)
3V
o
DTL
©2017 Siemens Protection Devices Limited
Value
1.0, 1.5 ... 100V
0.00, 0.01...20.00 s
Value
100 % Vs, ± 2 % or ± 0.5 V
≥ 95 % V
± 1 %
≤ 5 %
≤ 5 %
± 5 %
Value
0V to 1.5 xVs, 76 ms, ± 20ms
0V to 10 xVs, 63 ms, ± 20ms
t
basic
± 1 % or ± 20ms
< 40 ms
<100 ms
Value
1
1, 1.5... 100V
2 x Vs
0, 0.01... 20 s
0, 1...60 s
Value
100 % Vs, ± 2 % or ± 0.5 V
≥ 95 % V
± 1 %
≤ 5 %
≤ 5 %
± 5 %
or ± 0.5 V
op
, ± 1 % or ± 20ms
+ t
d
or ± 0.5 V
op
Value
65 ms, ± 20ms
10 x Vs
Chapter 3 Page 46 of 56