Siemens SIPROTEC 4 User Manual page 588

Connection Examples
C.3 Connection Examples Voltage Transformers 7SJ623, 7SJ624, 7SJ625, 7SJ626, 7SJ64
The terminal markings in brackets apply to the devices 7SJ623/4/5/6, the remaining to devices 7SJ64
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Figure C-14
The terminal markings in brackets apply to the devices 7SJ623/4/5/6, the remaining to devices 7SJ64
588
Voltage connections to three wye-connected voltage transformers with additional open delta
windings (da-dn) of the busbar
SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016