Examples On How To Connect A Three Phase-To-Earth Connected Vt To The Ied - ABB RET650 Applications Manual

1MRK 504 169-UEN A
4.2.4.3
66
66 kV
3
110 V
3
66 kV
3
110 V
3
IEC06000599 V4 EN-US
Figure 18: A Three phase-to-earth connected VT
Transformer protection RET650 2.2 IEC
Application manual
Examples on how to connect a three phase-to-earth connected VT to
the IED
Figure 18 gives an example on how to connect a three phase-to-earth connected VT
to the IED. It gives an overview of required actions by the user in order to make
this measurement available to the built-in protection and control functions within
the IED.
For correct terminal designations, see the connection diagrams
valid for the delivered IED.
L1
L2
L3
kV
3
110 V
3
IED
2
3
1
#Not used
Section 4
Analog inputs
5
SMAI2
BLOCK AI3P
REVROT AI1
^GRP2L1 AI2
^GRP2L2 AI3
^GRP2L3 AI4
^GRP2N AIN
4
IEC06000599-4-en.vsdx
SEMOD55055-87 v9
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