Negative Phase Sequence Voltage; Reference (47); Operate And Reset Level (47); Operate And Reset Time (47) - Siemens Argus 7SR21 Technical Manual

2.8

47 Negative Phase Sequence Voltage

2.8.1

Reference (47)

Parameter
Vs Setting
Hyst. Hysteresis
t Delay setting
d
2.8.2

Operate and Reset Level (47)

Attribute
V Operate level
op
Reset level
Repeatability
-10 °C to +55 °C
Variation
f
nom
2.8.3

Operate and Reset Time (47)

Attribute
t Element basic operate time
basic
t Operate time following delay
op
Repeatability
Overshoot time
Disengaging time
Unrestricted © 2013 Siemens Protection Devices Limited
Value
1, 1.5... 90 V
0, 0.1... 80 %
0.00, 0.01...20.00, 20.50... 100, 101... 1000, 1010... 10000,
10100... 14400 s
Value
100 % Vs, ± 2 % or ± 0.5 V
(100 % - Hyst.) x V
± 1 %
£ 5 %
£ 5 %
- 3 Hz to f + 2 Hz
nom
Value
0 to 2 xVs, 80 ms, ± 20 ms
0 to 10 xVs, 55 ms, ± 20 ms
t
basic
± 1 % or ± 20 ms
< 40 ms
< 60 ms
7SR21 & 7SR22 Performance Specification
± 1% or ± 0.25 V
op
, ± 2 % or ± 20 ms
+ t
d
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