Siemens siprotec 7SD5 User Manual page 496

3 Mounting and Commissioning
Figure 3-27 Local and remote measured values in the WEB-Monitor — examples for plausible measured values
Polarity Check If the device is connected with voltage transformers, the local measured values
already provide a polarity test.
For more than two ends, one current path is continued to be tested first. A load current
of at least 5% of the rated operational current is required. Any direction is possible but
must be known.
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7SD5 Manual
C53000-G1176-C169-1