Siemens 7SJ82 - Functional Test for the Phase-Rotation Reversal

Functional Test for the Phase-Rotation Reversal
²
Check the phase sequence (direction of rotating field) at the device terminals. It must correspond to the
setting of the Phase sequence parameter.
² The output indication Phase sequence ABC or Phase sequence ACB displays the determined
phase sequence. This must correspond to the phase sequence that was set.
²
You can also determine the phase sequence via the Symmetrical components measured values. If you
obtain negative-sequence system variables (V
2
, I
2
) and no positive-sequence system variables (V
1
, I
1
) with
symmetrical 3-phase infeed, the setting parameter Phase sequence does not correspond to the
connection.
11.10
Functional Tests
11.10 Functional Test for the Phase-Rotation Reversal
1388 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017