ABB REC670 Applications Manual page 71

1MRK 511 401-UUS A
Bay control REC670 2.2 ANSI
Application manual
direction for the current channels to the line protection is set with the line as reference
object and the directional functions of the line protection shall be set to Forward to
protect the line.
Transformer
Setting of current input
for transformer functions:
Set parameter
CT_WyePoint with
Transformer as
reference object.
Correct setting is
"ToObject"
ANSI05000462 V1 EN-US
Figure 10: Example how to set CT_WyePoint parameters in the IED
Transformer and
Line protection
Setting of current input
for transformer functions:
Set parameter
CT_WyePoint with
Transformer as
reference object.
Correct setting is
"ToObject"
Section 4
Analog inputs
Line
Reverse Forward
Definition of direction for
directional
line functions
Setting of current input
for line functions:
Set parameter
CT_WyePoint with
Line as
reference object.
Correct setting is
"FromObject"
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