ABB REC650 - Examples on How to Connect a Three Phase-To-Ground Connected VT to the IED

• 100 V
• 110 V
• 115 V
• 120 V
• 230 V
The IED fully supports all of these values and most of them will be shown in the following
examples.
4.2.4.3 Examples on how to connect a three phase-to-ground connected VT to the
IED
Figure
22 gives an example on how to connect the three phase-to-ground connected VT
to the IED. It as well gives 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.
A
IED
B
C
66
3
110
3
kV
V
4
1
3
2
66
3
110
3
kV
V
66
3
110
3
kV
V
ANSI11000031-3-en.vsd
SMAI_20_2
BLOCK
REVROT
^GRP2_A
^GRP2_B
^GRP2_C
^GRP2_N
AI3P
AI1
AI2
AI3
AI4
AIN
ANSI11000031 V3 EN
Figure 22: A Three phase-to-ground connected VT
Section 4 1MRK 511 286-UUS A
Analog inputs
72
Application manual