Measured E/F - Siemens Argus 7SR21 Technical Manual

Description
Gn 50N-3 Delay
Sets operate delay time
Gn 50N-3 VTS Action
Selects whether 50N-3 element is blocked or made non-
directional when VTS operates
Gn 50N-3 Inrush Action
Selects if the 50N-3 element is blocked from operating when
2nd Harmonic Inrush Detector operates
3.4.4.8. 50N-4
Description
Gn 50N-4 Element
Selects whether the DTL derived Earth fault element is
enabled
Gn 50N-4 Dir. Control
Selects whether 50N-4 element is non-directional, forward or
reverse
Gn 50N-4 Setting
Pickup level
Gn 50N-4 Delay
Sets operate delay time
Gn 50N-4 VTS Action
Selects whether 50N-4 element is blocked or made non-
directional when VTS operates
Gn 50N-4 Inrush Action
Selects if the 50N-4 element is blocked from operating when
2nd Harmonic Inrush Detector operates
3.4.5.

Measured E/F

Description
Gn 67G Char Angle
Maximum torque angle for measured earth fault elements
Gn 67G Minimum Voltage
Selects the directional elements minimum voltage, below
which the element will be inhibited
Gn 50G Measurement
Selects whether the RMS value used by the 50G elements is
True RMS or only calculated at fundamental frequency
Gn 51G Measurement
Selects whether the RMS value used by the 51G elements is
True RMS or only calculated at fundamental frequency
3.4.5.1. 51G-1
Description
Gn 51G-1 Element
Selects whether the 51G-1 IDMTL measured Earth Fault
element is enabled
Gn 51G-1 Dir. Control
Selects whether 51G-1 element is non-directional, forward or
reverse
Gn 51G-1 Setting
Pickup level
Unrestricted ©2018 Siemens Protection Devices Limited
Range
0, 0.01 ... 14300, 14400
Off, Inhibit, Non-Dir
Off, Inhibit
Range
Disabled, Enabled
Non-Dir, Forward, Reverse
0.05, 0.06 ... 49.5, 50
0, 0.01 ... 14300, 14400
Off, Inhibit, Non-Dir
Off, Inhibit
Range
-95, -94 ... 94, 95
0.33, 0.5, 1, 1.5, 2, 2.5, 3
RMS, Fundamental
RMS, Fundamental
Range
Disabled, Enabled
Non-Dir, Forward, Reverse
0.005, 0.006 ... 0.995, 1
7SR220 Settings Guide
Default
0 s
Off
Off
Default
Disabled
Non-Dir
0.5 xIn
0 s
Off
Off
Default
-15 deg
0.33 V
RMS
RMS
Default
Disabled
Non-Dir
0.5 xIn
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