Section 4: Control Functions; Check Synchronising; Reference; Live/Dead Line/Bus Detector Elements - Siemens Argus 7SR21 Technical Manual

7SR21 & 7SR22 Performance Specification

Section 4: Control Functions

4.1

Check Synchronising

4.1.1

Reference

Parameter
V Nominal Voltage
nom
f Nominal Frequency
n
V Live Setting
live
V Dead Setting
dead
V Line Voltage Setting
sl
V Bus Voltage Setting
sb
V Voltage Differential Setting
diff
Θ CS Angle
cs
Θ SS Angle
ss
f COZ Slip
coz
f CS Slip Freq
cs
f SS Slip Freq
ss
t CS Timer
cs
t SS Timer
ss
f Split Slip
sps
t /t DLC/DBC Delays
dlc dbc
t Sync Close Window
cw
4.1.2

Live/Dead Line/Bus Detector Elements

Attribute
V Live operate level
live,act
Live reset level
V Dead operate level
dead,act
Dead reset level
Repeatability
Variation
Unrestricted Page 66 of 68
Value
100 % V
V
dead,act
100 % V
V
live,act
± 1 %
-10 °C to +55 °C £ 5 %
£ 1 %
f ± 5 %
nom
Value
40-160 V
50/60 Hz
10 % - 150 %
10 % - 150 %
10 % - 150 %
10 % - 150 %
5 % - 95 %
1 – 90 º
1 – 90 º
30 mHz – 250 mHz
20 mHz – 250 mHz
10 mHz – 250 mHz
0-100 s
0-1 s
20 mHz – 250 mHz
0-60 s
1 s – 1200 s
, ± 1 % V
live
n
, ± 1 % V
n
, ± 1 % V
dead
n
, ± 1 % V
n
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