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.
10.9
Functional Tests
10.9 Functional Test for the Phase-Rotation Reversal
SIPROTEC 5, High-Voltage Bay Controller, Manual 1075
C53000-G5040-C015-9, Edition 11.2017