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2.12 Line differential protection
LdI> (87L)
2 Protection functions
Technical description
82
VAMP 24h support phone +358 (0)20 753 3264
VM59.EN001
Figure 2.12-8 VAMP59 CT –and transformer settings
If transformer is earthed, e.g. connection group Dyn11, then
zero current must be compensated before differential and bias
current calculation. Zero current compensation can be selected
individually for own and remote side. (Io -compensation is
available 2012).
Содержание VAMP 59
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