Derived E/F - Siemens Argus 7SR21 Technical Manual

Description
Gn 51c-3 Delay (DTL)
As Above
Gn 51c-3 Min Operate Time
As Above
Gn 51c-3 Follower DTL
As Above
Gn 51c-3 Reset
As Above
Gn 51c-4 Setting
51-4 element parameter used when Cold Load operates
Gn 51c-4 Char
As Above
Gn 51c-4 Time Mult (IEC/ANSI)
As Above
Gn 51c-4 Delay (DTL)
As Above
Gn 51c-4 Min Operate Time
As Above
Gn 51c-4 Follower DTL
As Above
Gn 51c-4 Reset
As Above
3.4.4.

Derived E/F

Description
Gn 67N Polarizing Quantity
Allows the directional element to select which quantities to
use.
Gn 67N Char Angle
Maximum torque angle for derived earth fault elements
Gn 67N Minimum Voltage
Selects the directional elements minimum voltage, below
which the element will be inhibited
3.4.4.1. 51N-1
Description
Gn 51N-1 Element
Selects whether the 51N-1 IDMTL derived Earth Fault element
is enabled
Gn 51N-1 Dir. Control
Selects whether 51N-1 element is non-directional, forward or
reverse
Gn 51N-1 Setting
Pickup level
Gn 51N-1 Char
Selects characteristic curve to be IEC or ANSI IDMTL or DTL
Gn 51N-1 Time Mult (IEC/ANSI)
Time multiplier (applicable to IEC and ANSI curves but not
DTL selection)
Unrestricted ©2018 Siemens Protection Devices Limited
Range
0, 0.01 ... 19.99, 20
0, 0.01 ... 19.99, 20
0, 0.01 ... 19.99, 20
(ANSI) Decaying, 0 ... 59, 60
0.05, 0.06 ... 2.49, 2.5
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
(ANSI) Decaying, 0 ... 59, 60
Range
ZPS, NPS
-95, -94 ... 94, 95
0.33, 0.5, 1, 1.5, 2, 2.5, 3
Range
Disabled, Enabled
Non-Dir, Forward, Reverse
0.05, 0.06 ... 2.49, 2.5
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
7SR220 Settings Guide
Default
5 s
0 s
0 s
0 s
1 xIn
IEC-NI
1
5 s
0 s
0 s
0 s
Default
ZPS
-15 deg
0.33 V
Default
Disabled
Non-Dir
0.5 xIn
IEC-NI
1
Page 19 of 107