Toshiba GRT100 Series Instruction Manual page 215

Type of transformer
HV
1ct-1
I
1a
I
1b
I
1c
1REF
I
1N
1ct-1
I
1a
I
1b
I
1c
1REF
I
1N
LV
2ct-1
2nCT
I
2N
2REF
HV MV
1nCT 2nCT
LV
3nCT
3ct-1
I
HV MV
1nCT 2nCT
LV
 214 
I
02
I
2a
I
2b
I
2c
2ct-1
I
2a
I
2b
I
2c
2REF
I
2N
I I I
3a, 3b, 3c
3REF
3N
2ct-1
I
2a
I
2b
I
2c
2REF
I
2N
6 F 2 S 0 7 8 9
Scheme switch setting
2REF = 1I0
1REF1 to 5 = OFF
3REF1 to 5 = OFF
1REF = 1I0
2REF = 1I0
3REF = 1I0
1REF = 1I0
2REF = 1I0
3REF1 to 5 = OFF