11.6.3.14 Power swing detection ZMRPSB (78)Main menu/Test/Function status/Impedance protection/PowerSwingDetection(RPSB,78)/PSD1Displays one instance of ZMRPSB (78) with three measurements. These indicate apower swing and show the measured impedances for the inner and outer impedanceboundaries.11.6.3.15 Power swing logic ZMRPSLMain menu/Test/Function status/Impedance protection/PowerSwingLogic(RPSL)/PSLDisplays the output data of ZMRPSL.11.6.4 Current protectionViewable data under Current protection consists mainly of trip status data under thevarious categories of current protection which include overcurrent protection, thermaloverload, stub protection, pole discrepancy and variations of these.11.6.4.1 Breaker failure protection CCRBRF (50BF)Main menu/Test/Function status/Current protection/BreakerFailure(RBRF,50BF)/BFPDisplays an application dependent number of instances of CCRBRF (50BF) with somemeasurements per instance. The measurement outputs include trip status and faultycircuit breaker alarm.11.6.4.2 Broken conductor check BRCPTOC (46)Main menu/Test/Function status/Current protection/BrokenConductor(PTOC,46)/BRCDisplays the output data of BRCPTOC (46).11.6.4.3 Directional over-power protection GOPPDOP (32)Main menu/Test/Function status/Current protection/DirOverPowerProt(PDOP,32)/GOPDisplays the output data of GOPPDOP (32).1MRK506276-UUS B Section 11Test the IED77Operator's manual
