Siemens 7SR224 - Section 4: Control Functions; Check Synchronising; Reference; Live;Dead Line;Bus Detector Elements

7SR224 Argus Performance Specification
Section 4: Control Functions
4.1 Check Synchronising
4.1.1 Reference
Parameter Value
V
nom
Nominal Voltage 40-160V
f
n
Nominal Frequency 50/60Hz
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 0-100s
t
ss
SS Timer 0-1s
f
sps
Split Slip 20 mHz – 250 mHz
t
dlc
/t
dbc
DLC/DBC Delays 0-60s
t
cw
Sync Close Window 1 s – 1200s
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 %
-10 °C to +55 °C
≤ 5 %
Variation
f
nom
- 3 Hz
to f
nom
+ 2 Hz
≤ 1 %
4.1.3 Line and Bus Undervoltage Elements
Attribute Value
V
line
Operate level
100 % Vsl, ± 1 % V
n
Reset level
≤ V
line
+ 4 %
V
bus
Operate level
100 % Vsb, ± 1 % V
n
Reset level
≤ V
bus
+ 4 %
Repeatability
± 1 %
-10 °C to +55 °C
≤ 5 %
Variation
f
nom
- 3 Hz
to f
nom
+ 2 Hz
≤ 1 %
©2010 Siemens Protection Devices Limited Chapter 3 Page 47 of 49