Siemens SIPROTEC 7UT63 series

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3 Mounting and Commissioning

406

7UT613/63x Manual

C53000-G1176-C160-2

Figure 3-31 Zero sequence current measurement on a star-star transformer with compen-

sation winding

Figure 3-32 Zero sequence current measurement on an auto-transformer with compensa-

tion winding

Figure 3-33 Zero sequence current measurement on a zig-zag-winding

Siemens SIPROTEC 7UT63 series - Page 406