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BESTCOMSPlus Navigation Path: Settings Explorer, System Parameters, Transformer Setup
HMI Navigation Path: Settings Explorer, System Parameters, Transformer Setup
Figure 270. Transformer Setup Screen
Table 114. Transformer Settings
2 to 20 (5A CTs) or 0.4 to 4 (1A CTs)
Set on the Sensing Transformers screen
Set on the Sensing Transformers screen
WYE, DAB, DAC, ZAB, ZAC, NA
Primary, Secondary, or None
Connection Settings for Current Differential
When the zone of protection includes a transformer, it may be necessary to provide phase angle and zero
sequence compensation to the currents used by the Phase Current Differential Protection (87) element.
See Figure 271 and Figure 272. For each input circuit, a setting is provided to enter the transformer
connections associated with that input.
Configuration BE1-11g