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138, 1830
DSEF3F
154, 1846
DSEF3R
"FWD"
[DSE3-DIR]
"REV"
+
[DSE3-2F]
+
&
"BLK"
ICD
RPF ON
RPR ON
[DSE3EN]
+
"ON"
1
DSEF3 BLOCK
1558
2.1.45 Definite Time Directional Sensitive Earth Fault Protection DSEF3
139, 1831
DSEF4F
155, 1847
DSEF4R
"FWD"
[DSE4-DIR]
"REV"
+
[DSE4-2F]
+
&
"BLK"
ICD
RPF ON
RPR ON
[DSE4EN]
+
"ON"
1
1559
DSEF4 BLOCK
2.1.46 Definite Time Directional Sensitive Earth Fault Protection DSEF4
Setting
The table below shows the setting elements necessary for the directional sensitive earth fault
protection and their setting ranges.
Element
Range
DSE1
0.025 – 0.125 A
(0.005 – 0.025 A)(*1)
TDSE1P
0.010 – 1.500
(TMS)
TDSE1D
0.00 – 300.00 s
TDSE1RD
0.0 – 300.0 s
TDSE1RP
0.010 – 1.500
(RTMS)
−95° – 95°
DSEθ
≥1
&
&
&
≥1
&
&
&
Step
Default
0.001 A
0.050 A
(0.001 A)
(0.010 A)
0.001
1.000
0.01 s
1.00 s
0.1 s
0.0 s
0.001
1.000
1°
0°
⎯
⎯
51
TDSE3
647
t
0
&
0.00 - 300.00s
TDSE4
648
0
t
&
0.00 - 300.00s
Remarks
DSEF1 threshold setting
DSEFI1 inverse time multiplier setting.
Required if [MDSE1] = IEC, IEEE, US or CON.
DSEF1 definite time setting. Required if
[MDSE1] = DT.
DSEF1I definite time delayed reset. Required
if [MDSE1] = IEC or [DSE1R] = DEF.
DSEF1I dependent time delayed reset time
multiplier. Required if [DSE1R] = DEP.
DSE1 to DSE4 characteristic angle
6 F 2 S 0 8 4 2
433
DSEF3 TRIP
434
DSEF4 ALARM
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