Examples On How To Connect A Three Phase-To-Ground Connected Vt To The Ied - ABB REC650 Applications Manual

Section 4
Analog inputs
4.2.4.3
66 kV
3
66 kV
3
110 V
3
66 kV
3
110 V
3
ANSI11000031 V3 EN
Figure 22: A Three phase-to-ground connected VT
72
• 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.
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
B
C
110 V
3
IED
2
3
1
1MRK 511 286-UUS A
4
SMAI_20_2
BLOCK AI3P
REVROT AI1
^GRP2_A AI2
^GRP2_B AI3
^GRP2_C AI4
^GRP2_N AIN
ANSI11000031-3-en.vsd
Application manual