Sensitive E/F; 51Sef-1 - Siemens Argus 7SR21 Technical Manual

Description
Gn 51G-2 Inrush Action
Selects if the 51G-2 element is blocked from operating when
2nd Harmonic Inrush Detector operates
3.4.4.3. 50G-1
Description
Gn 50G-1 Element
Selects whether the DTL measured Earth fault element is
enabled
Gn 50G-1 Setting
Pickup level
Gn 50G-1 Delay
Sets operate delay time
Gn 50G-1 Inrush Action
Selects if the 50G-1 element is blocked from operating when
2nd Harmonic Inrush Detector operates
3.4.4.4. 50G-2
Description
Gn 50G-2 Element
Selects whether the DTL measured Earth fault element is
enabled
Gn 50G-2 Setting
Pickup level
Gn 50G-2 Delay
Sets operate delay time
Gn 50G-2 Inrush Action
Selects if the 50G-2 element is blocked from operating when
2nd Harmonic Inrush Detector operates
3.4.5.

Sensitive E/F

3.4.5.1.

51SEF-1

Description
Gn 51SEF-1 Element
Selects whether the 51SEF-1 IDMTL Sensitive Earth Fault
element is enabled
Gn 51SEF-1 Setting
Pickup level
Gn 51SEF-1 Char
Selects characteristic curve to be IEC or ANSI IDMTL or DTL
Gn 51SEF-1 Time Mult (IEC/ANSI)
Time multiplier (applicable to IEC and ANSI curves but not
DTL selection)
Gn 51SEF-1 Delay (DTL)
Delay (applicable only when DTL is selected for characteristic)
Gn 51SEF-1 Min Operate Time
Minimum operate time of element.
Gn 51SEF-1 Follower DTL
Additional definite time added after characteristic time
Unrestricted ©2018 Siemens Protection Devices Limited
Range
Off, Inhibit
Range
Disabled, Enabled
0.005, 0.006 ... 24.95, 25
0, 0.01 ... 14300, 14400
Off, Inhibit
Range
Disabled, Enabled
0.005, 0.006 ... 24.95, 25
0, 0.01 ... 14300, 14400
Off, Inhibit
Range
Disabled, Enabled
0.005, 0.006 ... 0.995, 1
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-
LTI, ANSI-MI, ANSI-VI, ANSI-EI
0.025, 0.03 ... 1.595, 1.6 , 1.7 ...
4.9, 5, 6 ... 100
0, 0.01 ... 19.99, 20
0, 0.01 ... 19.99, 20
0, 0.01 ... 19.99, 20
7SR210 Settings Guide
Default
Off
Default
Disabled
0.5 xIn
0 s
Off
Default
Disabled
0.5 xIn
0 s
Off
Default
Disabled
0.2 xIn
IEC-NI
1
5 s
0 s
0 s
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