Siemens SIPROTEC 7UT613 series Manual page 407

7UT613/63x Manual
C53000-G1176-C160-2
Figure 3-34 Zero sequence current measurement on a delta winding with neutral earthing
reactor within the protected zone
Figure 3-35 Zero sequence current measurement on an earthed series reactor (reactor,
generator, motor)
Figure 3-36 Zero sequence current measurement on an earthed single-phase transformer
3.3 Commissioning
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