7SR220 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited
Page 47 of 107
Description
Range
Default
Gn 79 SEF Prot'n Trip 5
Selects whether the fifth sensitive earth fault trip is
Instantaneous or Delayed. When set to Delayed all SEF Inst
Trips will be Inhibited for this shot.
Inst, Delayed
Delayed
Gn 79 SEF Delayed Trips To Lockout
Selects how many Delayed trips are allowed before going to
Lockout
1, 2, 3, 4, 5
5
3.11.2.4.
Extern Shots
Description
Range
Default
Gn 79 Extern Prot'n Trip 1
Selects whether the first external trip is Instantaneous or
Delayed
Not Blocked, Blocked
Not Blocked
Gn 79 Extern Deadtime 1
Time period between the fault being cleared and the close
pulse being issued
0, 0.1 ... 14300, 14400
5 s
Gn 79 Extern Prot'n Trip 2
Selects whether the second external trip is Instantaneous or
Delayed
Not Blocked, Blocked
Not Blocked
Gn 79 Extern Deadtime 2
Time period between the fault being cleared and the close
pulse being issued
0, 0.1 ... 14300, 14400
5 s
Gn 79 Extern Prot'n Trip 3
Selects whether the third external trip is Instantaneous or
Delayed
Not Blocked, Blocked
Not Blocked
Gn 79 Extern Deadtime 3
Time period between the fault being cleared and the close
pulse being issued
0, 0.1 ... 14300, 14400
5 s
Gn 79 Extern Prot'n Trip 4
Selects whether the fourth external trip is Instantaneous or
Delayed
Not Blocked, Blocked
Not Blocked
Gn 79 Extern Deadtime 4
Time period between the fault being cleared and the close
pulse being issued
0, 0.1 ... 14300, 14400
5 s
Gn 79 Extern Prot'n Trip 5
Selects whether the fifth external trip is Instantaneous or
Delayed
Not Blocked, Blocked
Not Blocked
Gn 79 Extern Trips To Lockout
Selects how many external trips are allowed before going to
Lockout
1, 2, 3, 4, 5
5
3.11.3.
Synchronising Check
Description
Range
Default
Gn 25 Sync Voltages
V
an
, V
bn
, V
cn
, V
ab
, V
bc
, V
ca
V
bn
Gn 25 Dead Line
0 % to 150 %
20 %
Gn 25 Live Line
0 % to 150 %
90 %
Gn 25 Dead Bus
0 % to 150 %
20 %
Gn 25 Live Bus
0 % to 150 %
90 %
Gn 25 Line U/V
Disabled, Enabled
Enabled
Gn 25 Line Undervolts
0 % to 150 %
90%
Gn 25 Bus U/V
Disabled, Enabled
Enabled
Gn 25 Bus Undervolts
0 % to 150 %
90%
Gn 25 Voltage Diff
Disabled, Enabled
Enabled
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
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