Toshiba GR-200-5 Instruction Manual page 659

CT polarity
5.4.7
CTs for phase current
(i)
Table 5.4-8 shows CT polarity can be converted when Negative is set for [Pol-CT]. When
polarity conversion is not required, Positive should be set (default setting).
Table 5.4-8 CT polarity styles of CTs for phase current
Polarity
Setting
No.
[Pol-CT]
Style
Positive
301
Positive
polarity
Negative
302
Negative
polarity
Busbar
A B C
Inputted at No.1,3 and 5 terminals
Outputted at No.2,4 and 6 terminals
Busbar
A B C
Inputted at No.2,4 and 6 terminals
Outputted at No.1,3 and 5 terminals
- 639 -
Wiring examples
1
I
L1
2
3
I
L2
4
5
I
L3
6
1
I
L1
2
3
I
L2
4
5
I
L3
6
6F2T0207 (0.01)
GRE200 (5,6)