REG 316*4 1MRB520049-Uen / Rev. F
ABB Switzerland Ltd
3-231
Explanation of parameters:
ParSet 4..1
Parameter for determining in which set of parameters a par-
ticular function is active
Trip
defines the tripping channel activated by the tripping output of
the function (tripping logic).
Alarm-Delay
Time between pick-up of the alarm stage and an alarm.
Trip-Delay
Time between pick-up of the tripping stage and a trip.
RFs-AlarmVal
Ground fault resistance setting for alarm.
RFs for alarm must be higher than RFs for tripping.
RFs-TripVal
Ground fault resistance setting for tripping.
REs
Grounding resistor REs for primary system grounding.
Where the grounding resistor is connected to the secondary
of a v.t., its value related to the primary system R'Es has to
be calculated and entered.
REs-2.Starpt
The total grounding resistance of a 2nd. star-point in the zone
of protection.
RFs-Adjust
Simulated ground fault resistance used as a reference value
for calculating REs in the ‘REs-Adjust’ mode.
MTransRatio
V.t. ratio for a directly grounded primary system.
NrOfStarpt
Number of star-points in the zone of protection.
VoltageInpUi
defines the voltage input channel for the reference voltage.
Channel 8 must be used.
VoltageInpUs
defines the voltage input channel for the measured voltage.
Channel 9 must be used.
Summary of Contents for REG316 4 Series
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