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(iii)
CT for zero-phase sequence current for SEF
If the sensitive earth fault (SEF) function is provided, VCT will have Ise terminal. The user
can convert the polarity with setting [Pol-IseCT]=Negative.
Table 5.4-10 CT polarity styles of CT for zero-phase sequence current for SEF
Polarity
Setting
No.
[Pol-IseCT]
Style
Positive
321
Positive
polarity
Negative
322
Negative
polarity
Busbar
A B C
Inputted at No.7 terminal
Outputted at No. 8 terminal
Busbar
A B C
Inputted at No.8 terminal
Outputted at No. 7 terminal
- 641 -
Wiring examples
7
Ise
8
7
Ise
8
6F2T0207 (0.01)
GRE200 (5,6)
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