Siemens SIPROTEC 4 7UT6 Series Manual page 380

Differential protection
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Mounting and Commissioning
3.3 Commissioning
[nullstrom-sternsterntrafo-7ut612-021026-rei, 1, en_GB]
Figure 3-37
[7ut613-nullsspartrafo-030324-rei, 1, en_GB]
Figure 3-38
[nullstrom-zickzack-7ut612-021026-rei, 1, en_GB]
Figure 3-39
380
Zero sequence current measurement on a star-star transformer with compensation winding
Zero sequence current measurement on an auto-transformer with compensation winding
Zero sequence current measurement on a zig-zag-winding
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016

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