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20
DisturbReport
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Use this menu to display the information recorded by the REx 5xx terminal for the 10
latest disturbances, these commands are available:
•
Display information of a disturbance.
•
Calculate the distance to fault.
•
Manually trigger the disturbance reporting unit.
•
Clear the disturbance report memory.
•
To view the complete disturbance report, including the result of the event recorder
and the disturbance recorder, use a front-connected PC or the SMS or SCS.
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A disturbance will show:
7KH WLPH RI GLVWXUEDQFH, which is defined as the local terminal date and time when
•
the first triggering signal started the disturbance recording.
7KH WULJ VLJQDO, which started the recording.
•
,QGLFDWLRQV, activated during the fault duration. Indications to be recorded are se-
•
lected during the terminal configuration procedure.
The fault locator will also report:
)DXOW ORFDWLRQ, provides information about the distance to the fault and the fault
•
loop used for the calculation.
7ULS YDOXHV, are displayed as phasors (RMS value and phase angle) of the currents
•
and voltages, before and during the fault.
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Possible to recalculate the distance to fault with a different fault loop or with different
fault locator setting parameters. The recalculation is enabled since trip values are avail-
able for each disturbance that caused a phase-selective trip of the distance protection
function.
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