Siemens 7SR224 Argus Manual page 11

Performance
27/59 Under/Over Voltage
Number of Elements 4 Under or Over
Operate Any phase or All phases
Voltage Guard 1,1.5...200 V
Setting Range Vs 5,5.5...200 V
Hysteresis Setting 0.0.1...80 %
Vs Operate Level 100 % Vs, ±1 % or ±0.25 V
Reset Level:
Undervoltage =(100%+hyst)xVop, ±1% or 0.25 V
Overvoltage =(100%-hyst)xVop, ±1% or 0.25 V
Delay Setting td 0.00,0.01...20,20.5...100,101...10
00,1010...10000,10100...14400 s
Basic Operate Time :
0 to 1.1xVs 73 ms ±10 ms
0 to 2.0xVs 63 ms ±10 ms
1.1 to 0.5xVs 58 ms ±10 ms
Operate time Tbasic +td , ±1% or ±10ms
following delay.
Inhibited by Binary or Virtual Input
VT Supervision
Voltage Guard
Vx 27/59 Under/Over Voltage
Number of Elements 1 Under or Over for 4xVT variants
Operate Any phase or All phases
Voltage Guard 1,1.5...200 V for 4xVT variants
1,1.5...120 V for 6xVT variants
Setting Range Vs 5,5.5...200 V for 4xVT variants
5,5.5...120 V for 6xVT variants
Hysteresis Setting 0.0.1...80%
Vs Operate Level 100 % Vs, ±1 % or ±0.25 V
Reset Level:
Undervoltage =(100 %+hyst)xVop, ±1 % or 0.25 V
Overvoltage =(100 %-hyst)xVop, ±1 % or 0.25 V
Delay Setting td 0.00,0.01...20,20.5...100,101...10
00,1010...10000,10100...14400 s
Basic Operate Time :
0 to 1.1xVs 73 ms ±10 ms
0 to 2.0xVs 63 ms ±10 ms
1.1 to 0.5xVs 58 ms ±10 ms
Operate time Tbasic +td , ±1 % or ±10 ms
following delay.
Inhibited by Binary or Virtual Input
VT Supervision
Voltage Guard
37 Undercurrent
Number of Elements
Setting Range Is
Operate Level
Delay Setting td
Basic Operate Time:
1.1 to 0.5 x Is
Siemens Protection Devices Limited
2
0.05,0.10...5.0 x In
100% Is, ±5% or ±1%xIn
0.00,0.01...20,20.5...100,101...
1000,1010...10000,10100...144
00s
35 ms ±10 ms
Operate time following
delay.
Overshoot Time
Inhibited by
46 Negative Phase Sequence Overcurrent
Number of Elements
DT Setting Range Is
DT Operate Level
DT Delay Setting td
DT Basic Operate Time:
0 to 2 x Is
0 to 5 x Is
DT Operate time
following delay.
IT Char Setting
IT Setting Range
Tm Time Multiplier
Char Operate Level
Overshoot Time
Inhibited by
47 Negative Phase Sequence
Number of Elements
Setting Range Vs
Hysteresis Setting
Operate Level
Delay Setting td
Basic Operate Time
0V to 1.5xVs
0V to 10xVs
Operate time following
delay.
Overshoot Time
Inhibited by
49 Thermal Overload
Operate levels
Setting Range Is
Operate Level
Time Constant Setting
Operate time
Alarm Level
Inhibited by
Tbasic +td , ±1% or ±10 ms
< 40 ms
Binary or Virtual Input
DT & IT
0.05,0.10...5.0 x In
100 % Is, ±5 % or ±1 %xIn
0.00,0.01...20,20.5...100,101...
1000,1010...10000,10100...144
00 s
40 ms ±10 ms
30 ms ±10 ms
Tbasic +td , ±1% or ±10ms
IEC NI,VI,EI,LTI ANSI MI,VI,EI &
DTL
0.05..2.5
0.025,0.03...1.6,1.7... 5,6... 100
105 % Is, ±4 % or ±1 %In
< 40 ms
Binary or Virtual Input
2
1,1.5...90 V
0,0.1...80 %
100 % Vs, ±2 % or ±0.5 V
0.00,0.01...20,20.5...100,101...
1000,1010...10000,10100...144
00 s
80 ms ±20 ms
55 ms ±20 ms
Tbasic +td , ±2 % or ±20 ms
< 40 ms
Binary or Virtual Input
Operate and Alarm
0.10,0.11...3.0 x In
100% Is, ±5% or ±1%xIn
1,1.5...1000min
 I 2 − I 2 
 
τ p
t = × In
 
( )
2
I 2 k I
  − ×  
B
±5 % absolute or ±100 ms where
Ip = prior current
(Is 0.3xIn to 3x In)
Disabled, 50,51...100 %
Binary or Virtual Input
11