Hitachi Relion 670 Series Applications Manual page 68

Section 4
Analog inputs
6.6 kV
3
110 V
3
6.6 kV
3
110 V
3
ANSI06000601 V2 EN-US
Figure 22: Open delta connected VT in high impedance grounded power system
62
A
B
C
6.6 kV
3
110 V
3
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IED
2
13
AI 07 (I)
14
15
AI 08 (V)
16
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AI 09 (V)
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1
AI 10 (V)
20
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AI 11 (V)
+3Vo
22
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AI 12 (V)
24
1MRK511407-UUS Rev. N
SMAI2
BLOCK
3
^GRP2_A
# Not Used
^GRP2_B
# Not Used
^GRP2_C
# Not Used
^GRP2N
TYPE
4
ANSI06000601-2-en.vsd
Phasor measurement unit RES670
Application manual
5
AI3P
AI1
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AIN