Setting; Earth Fault Protection Ef3/Ef4 - Toshiba GRE110 Instruction Manual

65
EF3
[EF3-2F]
+
"Block"
&
ICD
[EF3EN]
+
"ON"
EF3 BLOCK 1
66
EF4
[EF4-2F]
+
"Block"
&
ICD
[EF4EN]
+
"ON"
EF4 BLOCK 1

2.2.4 Setting

The table shows the setting elements necessary for the instantaneous and definite time overcurrent
protection and their setting ranges.
Element Range
OC2 0.10 – 25.00 A
TOC2 0.010 – 1.500
0.00 – 300.00 s
TOC2R 0.0 – 300.0 s
TOC2RM 0.010 – 1.500
OC3 0.10 – 150.0 A
TOC3 0.00 – 300.00 s
OC4 0.10 – 150.0 A
TOC4 0.00 – 300.00 s
EF2 0.05 – 25.00 A
&
0.00 - 300.00s
&
Figure 2.2.8 Earth fault Protection EF3
&
&
Figure 2.2.9 Earth fault Protection EF4
Step
0.01 A
0.001
0.01 s
0.1 s
0.001
0.01 A
0.01 s
0.01 A
0.01 s
0.01 A
 20 
TEF3
0
t
TEF4
0
t
0.00 - 300.00s
Default Remarks
5.00 A OC2 threshold setting
1.000 OC2 time multiplier setting. Required if
[MOC2] = IEC, IEEE, US or C.
0.00 s OC2 definite time setting.
0.0 s OC2 definite time delayed reset. Required if
[MOC2] = IEC or if [OC2R] = DEF.
1.000 OC2 dependent time delayed reset time
multiplier. Required if [OC2R] = DEP.
10.00 A OC3 threshold setting
0.00 s OC3 definite time setting.
10.00 A OC4 threshold setting
0.00 s OC4definite time setting.
3.00 A EF2 threshold setting
6 F 2 T 0 1 7 2
119
EF3 TRIP
120
EF4 ALARM