Manual 37138C
ESDR 4T - Current Differential Protection Relay
© Woodward
Page 39/46
Appendix C.
List of Parameters
Unit number
P/N _____________________________ Rev _______________________________
Version ESDR4 _______________________________________________________________
Project _____________________________________________________________________
Serial number
S/N _______________
Date
______________________________
Option Parameter
Line 1
- text -
line 2
Setting range
Default
setting
Customer settings
Sprache/LANGUAGE
Deutsch/English English
d
e
d
e
Software version
Coding (seal)
ON/OFF ON
on
off
on
off
R
ELAY AND MESSAGES
Change relay-
function?
YES/NO NO
Y
N
Y
N
Funct. rel. 12
R/A RR
Funct. rel. 34
R/A RR
Auto-acknowledge relay
ON/OFF ON
on
off
on
off
Release delay
Diff. curr.
0.10 to 99.98 s
Auto-acknowledge messages
ON/OFF ON
on
off
on
off
Acknowledge message
aft.
1 to 99 s
1 s
Diff.current 1
relay outp.
0000 1..3
Diff current 2
relay outp.
0000 1..3
Range monit. Id
relay outp.
0000 1..3
inrush deteced
relay outp.
0000 1..3
B
ASIC SETTINGS
Nominal current
10 to 9,990 A
1,000 A
Curr. transf. Id
high vol.
10 to 9,990 A
600 A
Curr. transf. Id
low vol.
10 to 9,990 A
1,000 A
Nominal voltage
high vol.
0,40 to 750.00 kV
10.00 kV
Nominal voltage
low vol.
0.40 to 750.00 kV
6.30 kV
Vector group
see list *
Dd0
C
ONFIGURATION OF CONTROLLER
Differential Protection
ON/OFF ON
on
off
on
off
Release value
Is/In
50 to 300 %
100 %
Diff. current 1
Id/In
0 to 300 %
20 %
Diff. current 1
Delay
0.02 to 99.98 s
0.10 s
Diff. current 2
Id/In
0 to 300 %
30 %
Diff. current 2
T1(Id<In)
0.02 to 99.98 s
0.04 s
Diff. current 2
T2(Id>In)
0.02 to 99.98 s
0.04 s
Diff. current
Hysteresis
1 to 240 %
5 %
Stabilisation Rush
ON/OFF OFF
on
off
on
off
Release value
Rush
10 to 50 %
30 %
Stabilisation Overexcit
ON/OFF OFF
on
off
on
off
Release value
Overexcit
10 to 50 %
30 %
Rated frequency
50/60 Hz
50 Hz
Display harmonics
ON/OFF OFF
on
off
on
off
* refer to vector group list on the next page
