Settings - Toshiba GRE110 Instruction Manual

Overcurrent protection relay
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2.1.4 Settings

The table shows the setting elements necessary for the phase and residual overcurrent protection
and their setting ranges.
Element
Range
OCCT
1 - 20000
EFCT
1 - 20000
OC1
0.10 – 25.00 A
TOC1
0.010 – 1.500
0.00 – 300.00 s
TOC1R
0.0 – 300.0 s
TOC1RM
0.010 – 1.500
EF1
0.05 – 25.00 A
TEF1
0.010 – 1.500
0.00 – 300.00 s
TEF1R
0.0 – 300.0 s
TEF1RM
0.010 – 1.500
[OC1EN]
Off / On
[MOC1]
D / IEC / IEEE / US / C
[MOC1C]
MOC1C-IEC
NI / VI / EI / LTI
MOC1C-IEEE
MI / VI / EI
MOC1C-US
CO2 / CO8
[OC1R]
DEF / DEP
[OC1-2F]
NA / Block
[EF1EN]
Off / On
[MEF1]
D / IEC / IEEE / US / C
[MEF1C]
MEF1C-IEC
NI / VI / EI / LTI
MEF1C-IEEE
MI / VI / EI
MEF1C-US
CO2 / CO8
[EF1R]
DEF / DEP
[EF1-2F]
NA / Block
Step
Default
Remarks
1
400
CT ratio for 3-phase current
1
200
CT ratio for earth-fault curret
0.01 A
1.00 A
OC1 threshold setting
0.001
1.000
OC1 time multiplier setting. Required if [MOC1] =
IEC, IEEE, US or C.
0.01 s
1.00 s
OC1 definite time setting. Required if [MOC1] =
DT.
0.1 s
0.0 s
OC1 definite time delayed reset. Required if
[MOC1] = IEC or if [OC1R] = DEF.
0.001
1.000
OC1 dependent time delayed reset time multiplier.
Required if [OC1R] = DEP.
0.01 A
0.30 A
EF1 threshold setting
0.001
1.000
EF1 time multiplier setting. Required if [MEF1] =
IEC, IEEE, US or C.
0.01 s
1.00 s
EF1 definite time setting. Required if [MEF1] =DT.
0.1 s
0.0 s
EF1 definite time delayed reset. Required if
[MEF1] = IEC or if [EF1R] = DEF.
0.001
1.000
EF1 dependent time delayed reset time multiplier.
Required if [EF1R] = DEP.
On
OC1 Enable
D
OC1 characteristic
OC1 inverse curve type.
NI
Required if [MOC1] = IEC.
MI
Required if [MOC1] = IEEE.
CO2
Required if [MOC1] = US.
DEF
OC1 reset characteristic. Required if [MOC1] =
IEEE or US.
NA
OC1 2f block Enable
On
EF1 Enable
D
EF1 characteristic
EF1 inverse curve type.
NI
Required if [MEF1] = IEC.
MI
Required if [MEF1] = IEEE.
CO2
Required if [MEF1] = US.
DEF
EF1 reset characteristic. Required if [MEF1] =
IEEE or US.
NA
EF1 2f block Enable
 14 
6 F 2 T 0 1 7 2

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