7SR21 & 7SR22 Performance Specification
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Section 4: Control Functions
4.1  Check Synchronising
4.1.1  Reference
Parameter Value
V
nom
Nominal Voltage 40-160 V
f
n
Nominal Frequency 50/60 Hz
V
live
Live Setting 10 % - 150 %
V
dead
Dead Setting 10 % - 150 %
V
sl
Line Voltage Setting 10 % - 150 %
V
sb
Bus Voltage Setting 10 % - 150 %
V
diff
Voltage Differential Setting 5 % - 95 %
Θ
cs
CS Angle 1 – 90 º
Θ
ss
SS Angle 1 – 90 º
f
coz
COZ Slip 30 mHz – 250 mHz
f
cs
CS Slip Freq 20 mHz – 250 mHz
f
ss
SS Slip Freq 10 mHz – 250 mHz
t
cs
CS Timer 0-100 s
t
ss
SS Timer 0-1 s
f
sps
Split Slip 20 mHz – 250 mHz
t
dlc
/t
dbc
DLC/DBC Delays 0-60 s
t
cw
Sync Close Window 1 s – 1200 s
4.1.2  Live/Dead Line/Bus Detector Elements
Attribute Value
V
live,act
Live operate level
100 % V
live
, ± 1 % V
n
Live reset level
V
dead,act
, ± 1 % V
n
V
dead,act
Dead operate level
100 % V
dead
, ± 1 % V
n
Dead reset level
V
live,act
, ± 1 % V
n
Repeatability
± 1 %
Variation
-10 °C to +55 °C
£ 5 %
f
nom
  ± 5 %
£ 1 %