7SR220 Settings Guide
Unrestricted Page 38 of 107
© 2013 Siemens Protection Devices Limited
3.9.1.
81-1
Description
Range
Default
Gn 81-1 Element
Selects whether the Under/Over frequency element stage 1 is
enabled
Disabled, Enabled
Disabled
Gn 81-1 Operation
Selects between Underfrequency and Overfrequency pickup
for this element
Under, Over
Under
Gn 81-1 Setting
Under or over frequency pickup level
40, 40.01 ... 69.98, 69.99
49.5 Hz
Gn 81-1 Hysteresis
Sets the pickup to dropoff thresholds e.g. 3% on Overlevel
picks up above pickup setting and drops off below 97% of
setting, 3% on Underlevel picks up below setting and drops off
above 103% of setting
0, 0.1 ... 79.9, 80
0.1 %
Gn 81-1 Delay
Sets operate delay time
0, 0.01 ... 14300, 14400
1 s
Gn 81-1 U/V Guarded
Selects whether U/V Guard element can block the operation of
this element
No, Yes
Yes
3.9.2.
81-2
Description
Range
Default
Gn 81-2 Element
Selects whether the Under/Over frequency element stage 2 is
enabled
Disabled, Enabled
Disabled
Gn 81-2 Operation
Selects between Underfrequency and Overfrequency pickup
for this element
Under, Over
Under
Gn 81-2 Setting
Under or over frequency pickup level
40, 40.01 ... 69.98, 69.99
49 Hz
Gn 81-2 Hysteresis
Sets the pickup to dropoff thresholds e.g. 3% on Overlevel
picks up above pickup setting and drops off below 97% of
setting, 3% on Underlevel picks up below setting and drops off
above 103% of setting
0, 0.1 ... 79.9, 80
0.1 %
Gn 81-2 Delay
Sets operate delay time
0, 0.01 ... 14300, 14400
0.8 s
Gn 81-2 U/V Guarded
Selects whether U/V Guard element can block the operation of
this element
No, Yes
Yes
3.9.3.
81-3
Description
Range
Default
Gn 81-3 Element
Selects whether the Under/Over frequency element stage 3 is
enabled
Disabled, Enabled
Disabled
Gn 81-3 Operation
Selects between Underfrequency and Overfrequency pickup
for this element
Under, Over
Under
Gn 81-3 Setting
Under or over frequency pickup level
40, 40.01 ... 69.98, 69.99
48 Hz
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 ...
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