ABB REF610 Technical Reference Manual page 81

1MRS755535
Feeder Protection Relay
Technical Reference Manual - ANSI Version
Table 5.1.12.-1 Recorded data
REGISTER Data description
EVENT1 Phase current l
*
displayed in two registers: the main register and the sub register. When an
element starts but does not trip, the maximum fault current during the pickup
period will be stored in both the main register and the sub register. When an
element trips, the fault current at the time of the trip will be stored in the main
register and the maximum fault current during the pick-up period in the sub
register. The same applies to phase currents l
The phase unbalance, I (unbal), as a percentage of the maximum phase
*
current value. When the element starts but does not trip, the maximum
phase unbalance value during the pick-up period will be stored. When the
element trips, the fault unbalance at the time of the trip will be stored.
Thermal level, as a percentage of the maximum thermal level of the cable, at
*
activation of a pickup or alarm signal. If the thermal protection element has
been set out of operation, dashes will be shown on the LCD and "999" when
read via serial communication.
The maximum thermal level during the time the pickup or alarm signal was
*
active, as a percentage of the maximum thermal level of the cable, or in case
of a trip, the thermal level, as a percentage of the maximum thermal level of
the cable, at activation of a trip signal. If the thermal protection element has
been set out of operation, dashes will be shown on the LCD and "999" when
read via serial communication.
Duration of the pickup of elements 51P, 50P-1, 50P-2, I (unbal), 51N and
*
50N, the trip of element ARC (local), the trip of element ARC (remote), and of
the external trip. A value other than zero indicates that the corresponding
element has started whereas the value 100% indicates that the operate time
of the element has elapsed, i.e. the element has tripped. If the operate time
of an element has elapsed but the element is blocked, the value will be 99%
of the set or calculated operate time.
Trip number in the auto-reclose sequence. The number 1...20 indicates the
*
order of the trip in the AR sequence. The value 1 indicates the first trip in the
AR sequence, the value 2 the second trip, and so forth. On expiration of the
set reclaim time, the value will start from 1 again. If the AR function has been
set out of operation, the value will always be 1.
Time stamp for the event. The time when the collected data was stored. The
*
time stamp is displayed in two registers, one including the date expressed as
yy-mm-dd, and the other including the time expressed as HH.MM; SS.sss.
EVENT 2 Same as EVENT 1.
EVENT 3 Same as EVENT 1.
EVENT 4 Same as EVENT 1.
EVENT 5 Same as EVENT 1.
, measured as a multiple of the rated current, I
a
REF610 REF610
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, l and l .
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