Toshiba GR-200 Series Instruction Manual page 542

(ii) CT for zero-phase sequence current
Setting [Pol-IeCT]=Negative permits inverted connection for zero-sequence phase current Ie.
Table 5.4-9 CT polarity styles of CT for zero-phase sequence current
Polarity Setting
No.
[Pol-IeCT]
Style
Positive
311
Positive
polarity
Negative
312
Negative
polarity
Busbar
A B C
7
8
Inputted at No.7 terminal
Outputted at No.8 terminal
Busbar
A B C
7
8
Inputted at No.8 terminal
Outputted at No.7 terminal
- 523 -
Wiring examples
Busbar
A B C
Ie
Inputted at No.7 terminal
Outputted at No.8 terminal
Busbar
A B C
Ie
Inputted at No.8 terminal
Outputted at No.7 terminal
6F2T0200 (0.15)
7
Ie
8
7
Ie
8
GRE200 (1,2)