Toshiba GRT100 Series Instruction Manual page 30

Setting
The following shows the setting elements for the overcurrent protection and their setting ranges.
Element Range
0.10  20.0(*)
1OC
0.10  20.0(*)
2OC
0.10  20.0(*)
3OC
0.00  10.00s
T1OC
0.00  10.00s
T2OC
0.00  10.00s
T3OC
0.10  5.00(*)
1OCI
2OCI 0.10  5.00(*)
0.10  5.00(*)
3OCI
0.05  1.00
T1OCI
T2OCI 0.05  1.00
0.05  1.00
T3OCI
0.10  20.00(*)
1EF
2EF 0.10  20.00(*)
0.10  20.00(*)
3EF
0.00  10.00s
T1EF
0.00  10.00s
T2EF
0.00  10.00s
T3EF
0.10  5.00(*)
1EFI
0.10  5.00(*)
2EFI
0.10  5.00(*)
3EFI
T1EFI 0.05  1.00
0.05  1.00
T2EFI
0.05  1.00
T3EFI
Scheme switch
M1OCI to M3OCI Long-Std-Very-Ext
M1EFI to M3EFI Long-Std-Very-Ext
Scheme switch Off/On
[1OC1] to [3OC5]
[1OCI1] to [3OCI5]
[1EF1] to [3EF5]
[1EFI1] to [3EFI5]
(*) : Multiplier of CT secondary rated current
(**) : Default settings are dependent on the models. See Appendix H.
Step Default
0.01 2.00
0.01 2.00
0.01 2.00
0.01s 1.00s
0.01s 1.00s
0.01s 1.00s
0.01 1.00
0.01 1.00
0.01 1.00
0.01 1.00
0.01 1.00
0.01 1.00
0.01 2.00
0.01 2.00
0.01 2.00
0.01s 1.00s
0.01s 1.00s
0.01s 1.00s
0.01 1.00
0.01 1.00
0.01 1.00
0.01 1.00
0.01 1.00
0.01 1.00
Std
Std
(**)
 29 
6 F 2 S 0 7 8 9
Remarks
Definite time overcurrent (line)
Definite time overcurrent (line)
Definite time overcurrent (line)
Delayed tripping for 1OC
Delayed tripping for 2OC
Delayed tripping for 3OC
Inverse time overcurrent (line)
Inverse time overcurrent (line)
Inverse time overcurrent (line)
Time multiplier setting for 1OCI
Time multiplier setting for 2OCI
Time multiplier setting for 3OCI
Definite time overcurrent (neutral)
Definite time overcurrent (neutral)
Definite time overcurrent (neutral)
Delayed tripping for 1EF
Delayed tripping for 2EF
Delayed tripping for 3EF
Inverse time overcurrent (neutral)
Inverse time overcurrent (neutral)
Inverse time overcurrent (neutral)
Time multiplier setting for 1EFI
Time multiplier setting for 2EFI
Time multiplier setting for 3EFI
Inverse time characteristic selection of
OCI elements
EFI elements
Enable or disable tripping by
OC elements
OCI elements
EF elements
EFI elements