EMR-4000
IM02602009E
Definition of Vn:
Vn is dependent on the
»Measuring Channel« setting in the current protection modules.
In case that this parameter is set to "Phase to Phase":
Vn
=
MainVT sec
In case that this parameter is set to "Phase to Neutral":
Vn
=
Main VT sec
√
3
If the parameter
»VT con« within the field parameters is set to »Phase to Phase« the
setting
»Phase to Neutral« in the current modules is effectless.
Device Planning Parameters of the 51P Module
Parameter
Description
Options
Default
Menu path
Mode
Mode
51P[1]: Non-directional
51P[2]: Do not use,
Non-directional
51P[3]: Do not use,
Non-directional
Non-directional
[Device Planning]
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