MI 2883 Energy Master
Operating the instrument
74
Table 3.62: Instrument screen symbols and abbreviations
No.
Unified event number (ID)
L
Indicate phase or phase-to-phase voltage where event has occurred:
1
– event on phase U
1
2
– event on phase U
2
3
– event on phase U
3
12
– event on voltage U
12
23
– event on voltage U
23
31
– event on voltage U
31
Start
Event start time (when first
U
Rms(1/2)
) value crosses threshold.
Duration
Event duration.
dMax
∆Umax
- maximum absolute difference between any of the
U
Rms(1/2)
values during the RVC event and the final arithmetic mean 100/120
U
Rms(1/2)
value just prior to the RVC event.
dUss
∆Uss
- is the absolute difference between the final arithmetic mean
100/120
U
Rms(1/2)
value just prior to the RVC event and the first arithmetic
mean 100/120
U
Rms(1/2)
value after the RVC event.
Table 3.63: Keys in RVC Events table group view screens
STAT
Shows event statistics (phase by phase).
RVC
Returns to RVC Events table group view screen.
Selects RVC Event.
Returns to RVC Events table group view screen.
Returns to “RECORDERS” submenu.
3.18 Memory List
Using this menu user can view and browse saved records. By entering this menu,
information about records is shown.
F4
