Vx U/O Voltage; Nps Overvoltage - Siemens Argus 7SR21 Technical Manual

7SR220 Settings Guide
Description
Gn 27/59-4 O/P Phases
Selects whether element operates for any phase picked up or
only when all phases are picked up
3.6.

Vx U/O Voltage

Description
Gn Vx 27/59 U/V Guard Setting
Gn Vx 27/59 Element
Selects whether the Under/Over voltage element for Vx is
enabled
Gn Vx 27/59 Operation
Selects between Undervoltage and Overvoltage pickup for this
element
Gn Vx 27/59 Setting
Under or over voltage pickup level
Gn Vx 27/59 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
Gn Vx 27/59 Delay
Sets operate delay time
Gn Vx 27/59 U/V Guarded
3.7.

NPS Overvoltage

3.7.1. 47-1
Description
Gn 47-1 Element
Selects whether the definite time NPS overvoltage element is
enabled
Gn 47-1 Setting
Pickup level
Gn 47-1 Hysteresis
Sets the pickup to drop-off thresholds e.g. 3% picks up at
setting and drops off below 97% of setting
Gn 47-1 Delay
Sets operate delay time
3.7.2. 47-2
Description
Gn 47-2 Element
Selects whether the definite time NPS overvoltage element is
enabled
Gn 47-2 Setting
Pickup level
Unrestricted Page 36 of 107
Range
Any, All
Range
1, 1.5 ... 199.5, 200
Disabled, Enabled
Under, Over
5, 5.5 ... 199.5, 200
0, 0.1 ... 79.9, 80
0, 0.01 ... 14300, 14400
No, Yes
Range
Disabled, Enabled
1, 1.5 ... 89.5, 90
0, 0.1 ... 79.9, 80
0, 0.01 ... 14300, 14400
Range
Disabled, Enabled
1, 1.5 ... 89.5, 90
© 2013 Siemens Protection Devices Limited
Default
Any
Default
5 V
Disabled
Over
80 V
3 %
0.1 s
No
Default
Disabled
20 V
3 %
1 s
Default
Disabled
20 V