ABB Relion 650 Series Applications Manual page 46

Section 4
Analog inputs
ANSI05000460 V2 EN-US
Transformer
Transformer
protection
IED
Setting of current input:
Set parameter
CT_WyePoint with
Transformer as
reference object.
Correct setting is
"ToObject"
ANSI11000021 V2 EN-US
Figure 10: Example how to set CT_WyePoint parameters in the IED
40
IED
Setting of current input:
Set parameter
CT_WyePoint with
Transformer as
reference object.
Correct setting is
"FromObject"
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Line
Reverse Forward
Definition of direction for
directional functions
Line protection
IED
Setting of current input:
Set parameter
CT_WyePoint with
Line as
reference object.
Correct setting is
"ToObject"
ANSI11000021-2-en.vsd
1MRK 505 287-UUS B
IED
Busbar protection REB650
Application manual