Toshiba GRT100 Series Instruction Manual page 171

Transformer protection relay
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a-1
b-2
/2 Protection
1=Change active group
2=Change setting
3=Copy group
/3Change active group(Active group= *)
1=Group1 2=Group2 3=Group3 4=Group4
5=Group5 6=Group6 7=Group7 8=Group8
Current No.= *
/3 Change setting (Active group= *)
1=Group1 2=Group2 3=Group3 4=Group4
5=Group5 6=Group6 7=Group7 8=Group8
/4 Protection
1=Transformer parameter
2=Trip
/5 Transformer parameter
1=VT & CT ratio
/5 Trip
1=Scheme switch
2=Protection element
/4 Protection
1=Transformer parameter
2=Trip
/4 Protection
1=Transformer parameters
2=Trip
/3 Copy groupA to B (Active group= 1)
A
(
1-
8):
B
(
1-
8):
a-1
b-2
Select No.= _
(Group 1)
(Group 1)
(Group 1)
(Group 2)
(Group 8)
_
 170 
/6 VT & CT ratio
1CT (
1- 20000):
2000 _
2CT (
1- 20000):
1000
3CT (
1- 20000):
400
/6 Scheme switch
DIFTPMD 1=3POR 2=2PAND
1REF
1=1IO 2=2IO 3=3IO
2REF
1=1IO 2=2IO 3=3IO
/6 Protection element
(Group= 1)
1=DIFT
2=REF
3=OC
4=THR
5=V/F
6=FRQ
6 F 2 S 0 7 8 9
1/ 7
1/
1 _
1
1
/7 DIFT
ik (
0.10- 1.00): 0.10 _
p1 (
10-
100):
p2 (
10-
200):
/7 REF
1ik (
0.05- 0.50): 0.05 _
1kct1(
1.00- 50.00): 1.00
1kct2(
1.00- 50.00): 1.00
/7 OC
1OC ( 0.10- 20.00):
2OC ( 0.10- 20.00):
3OC ( 0.10- 20.00):
/7 THR
(
0.5- 500.0):
k
(
0.10- 4.00):
IB
(
0.50- 2.50):
/7 V/F
V
( 100.0- 120.0): 100.0_
A
(
1.03- 1.30):
L
(
1.05- 1.30):
/7 FRQ
81-1 ( 45.00- 55.00): 45.00_
81-2 ( 45.00- 55.00): 45.00
UV
(
40-
100):
1/13
pu
10
%
100
%
1/21
pu
1/24
0.10 _
pu
0.10
pu
0.10
pu
1/ 5
0.5 _
min
0.10
0.50
pu
1/ 9
V
1.10
pu
1.20
pu
1/ 6
Hz
Hz
40
V

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