ABB RET670 Applications Manual page 43

1MRK504116-UUS C
ANSI05000462 V1 EN
Figure 5: Example how to set CT_WyePoint parameters in the IED
Application manual
line and transformer protection functions are configured to the different inputs. The CT
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"
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 3
IED application
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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