3 Operation
(continued)
C232-302-401/402/403/404-603 / C232/EN M/A23 3-125
Monitoring the neutral-
displacement voltage
The neutral-displacement voltage calculated from the three phase-to-ground voltages is
monitored by two stages to determine whether it exceeds set thresholds. If the
thresholds are exceeded, a signal is issued after the set timer stage has elapsed.
3-95 Monitoring the neutral-displacement voltage
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