
7SR210 & 7SR220 Commissioning & Maintenance Guide
Page 66 of 82
© 2013 Siemens Protection Devices Limited
Apply a trip condition by injection of current to cause operation of a suitable protection element. Allow current to
continue after the trip at a level of 110 % of the
50BF Setting
current level on any phase. Measure the time for
operation of operation of
50BF-1 Delay
and
50BF-2 Delay.
Repeat the sequence with current at 90 % of the
50BF
Setting.
current level after the element trip and check for no CB Fail operation.
50BF Setting (xIn)
Test Current
50BF-1 Delay
50BF-2 Delay
(110%)
(90%)
No Operation..
□
No Operation..
□
50BF CB Faulty
Operation No Delay
□
Operation No Delay
□
50BF-I4 Setting
(xIn)
Test Current
50BF-1 Delay
50BF-2 Delay
(110%)
(90%)
No Operation..
□
No Operation..
□
50BF CB Faulty
Operation No Delay
□
Operation No Delay
□
1.1.1.1
Element Blocking
The CB Fail function can be blocked by Binary Input Inhibit. This functionality should be checked.
Element
BI Inhibits
50BF
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 ...
Page 468: ...7SR220 Technical Manual Chapter 4 Page 88 of 96 2017 Siemens Protection Devices Limited ...
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 ...
Page 643: ...Unrestricted ...