11.6.3
Current protection
Viewable data under Current protection consists mainly of trip status data under the
various categories of current protection which include overcurrent protection,
thermal overload, pole discordance and variations of these.
11.6.3.1
Breaker failure protection CCRBRF
Main menu/Test/Function status/Current protection/BreakerFailure(RBRF,
50BF)/BFP
Displays an application dependent number of instances of CCRBRF with some
measurements per instance. The measurement outputs include trip status and faulty
circuit breaker alarm.
11.6.3.2
Directional over-power protection GOPPDOP
Main menu/Test/Function status/Current protection/
DirOverPowerProt(PDOP,32)/GOP
Displays the output data of GOPPDOP.
11.6.3.3
Directional under-power protection GUPPDUP
Main menu/Test/Function status/Current protection/
DirUnderPowerProtection(PDUP,37)/GUP
Displays the output data of GUPPDUP.
11.6.3.4
Instantaneous phase overcurrent protection PHPIOC
Main menu/Test/Function status/Current protection/
InstPhaseOverCurrent(PIOC,50)/IOC1
Displays available instances of PHPIOC with a number of measurements per
instance showing the trip status in general and per phase.
11.6.3.5
Instantaneous residual overcurrent protection EFPIOC
Main menu/Test/Function status/Current protection/
InstResidualOverCurrent(PIOC,50N)/IEF
Displays available instances of EFPIOC with one trip value per instance.
11.6.3.6
Four step directional negative phase sequence overcurrent
protection NS4PTOC
Main menu/Test/Function status/Current protection/
NegSecOverCurr4Step(PTOC,46I2)/NS4PTOC:x
1MRK 502 014-UEN C
Section 11
Test the IED
67
Operator's manual
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