7SR11 & 7SR12 Performance Specification
2.6
47 Negative Phase Sequence Voltage
Reference (47)
2.6.1
Parameter
Vs
Setting
V
s
Guard Setting
Guard
Hyst.
Hysteresis
t
Delay setting
d
Operate and Reset Level (47)
2.6.2
Attribute
V
Operate level
op
Reset level
Repeatability
-10 °C to +55 °C
Variation
f
nom
Operate and Reset Time (47)
2.6.3
Attribute
t
Element basic operate time
basic
t
Operate time following delay
op
Repeatability
Overshoot time
Disengaging time
©2017 Siemens Protection Devices Limited
Value
1, 1.5... 90V
1, 1.5, ...199.5, 200 V
0, 0.1... 80%
0.00, 0.01...20.00, 20.10... 100, 101... 1000, 1010... 10000,
10100... 14400 s
Value
100 % Vs, ± 2 % or ± 0.5 V
(100%-Hyst.) x V
± 1 %
≤ 5 %
≤ 5 %
± 5 %
Value
0V to 2.0 xVs, 80 ms, ± 20ms
0V to 10 xVs, 55ms, ± 20ms
t
basic
± 1 % or ± 20ms
< 40 ms
< 90 ms
± 1% or ± 0.25V
op
, ± 2 % or ± 20ms
+ t
d
Chapter 3 Page 24 of 56