7SR210 & 7SR220 Description of Operation
Unrestricted ©2018 Siemens Protection Devices Limited
Page 29 of 94
1
1
General Pickup
51-n
If directional elements are not present this block is
omitted and all 'Lx Dir En' signals are set TRUE.
51-n Setting
51-n Charact
51-n Time Mult
51-n Delay (DTL)
51-n Reset
c
Forward
Reverse
51-n Dir Control
Non-Dir
1
&
&
1
&
&
1
&
&
51-n Follower DTL
L1 Dir En
L2 Dir En
L3 Dir En
L1 Dir En
L2 Dir En
L3 Dir En
IL1 Fwd
IL1 Rev
IL2 Fwd
IL2 Rev
IL3 Fwd
IL3 Rev
&
&
&
1
1
1
Non Dir
51-n VTS Action
Off
Inhibit
60VTS
&
51-n Min. Operate Time
&
IL1
IL2
IL3
50/51
Measurement
&
See Voltage Controlled
Overcurrent (51V)
L1 81HBL2
51c
51-n Inrush
Action
Off
Inhibit
&
L3
L2
L1
L2 81HBL2
L3 81HBL2
&
&
&
&
&
c
Pickup
trip
c
Pickup
trip
c
Pickup
trip
Inhibit 51-n
51-n Element
Enabled
Disabled
&
79 P/F Inst Trips
= 51-n
79 P/F Prot’n Trip n
= Delayed
AUTORECLOSE
NB: For a comprehensive
list of input & output signals
see Data Comms Definitions
Inhibit 51-n
51-n
General Pickup
Figure 3.1.3-1
Logic Diagram: Time Delayed Overcurrent Element
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 ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
Page 414: ...7SR220 Technical Manual Chapter 4 Page 34 of 96 2017 Siemens Protection Devices Limited ...
Page 466: ...7SR220 Technical Manual Chapter 4 Page 86 of 96 2017 Siemens Protection Devices Limited ...
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Page 470: ...7SR220 Technical Manual Chapter 4 Page 90 of 96 2017 Siemens Protection Devices Limited ...
Page 472: ...7SR220 Technical Manual Chapter 4 Page 92 of 96 2017 Siemens Protection Devices Limited ...
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