
10.5.1.1 Measuring the operate limit of set values...................................................................100
10.5.1.2 Completing the test.................................................................................................... 100
10.5.2 Two-step directional phase overcurrent protection D2PTOC ......................................... 100
10.5.2.1 Function revision history............................................................................................ 101
10.5.2.2 Verifying the settings.................................................................................................. 101
10.5.2.3 Completing the test.................................................................................................... 102
10.5.3 Instantaneous residual overcurrent protection EFRWPIOC............................................102
10.5.3.1 Measuring the operate limit of set values...................................................................102
10.5.3.2 Completing the test.................................................................................................... 102
10.5.4 Two step residual overcurrent protection EF2PTOC.......................................................102
10.5.4.1 Function revision history............................................................................................ 102
10.5.4.2 Directional Stage .......................................................................................................103
10.5.4.3 Two step non-directional earth fault protection ......................................................... 103
10.5.4.4 Completing the test.................................................................................................... 103
10.5.5 Sensitive directional residual overcurrent and power protection SDEPSDE ..................103
10.5.5.1 Measuring the operate and time limit for set values...................................................103
10.5.5.2 Completing the test.................................................................................................... 108
10.5.6 Thermal overload protection, one time constant, Celsius LPTTR...................................108
10.5.6.1 Measuring the operate and time limit of set values....................................................108
10.5.6.2 Completing the test.................................................................................................... 109
10.5.7 Breaker failure protection CCRWRBRF ......................................................................... 109
10.5.7.1 Function revision history............................................................................................ 109
10.5.7.2 Checking the phase current operate value, IP> ........................................................109
10.5.7.3 Checking the re-trip and back-up times..................................................................... 109
10.5.7.4 Verifying the re-trip mode........................................................................................... 109
10.5.7.5 Verifying the back-up trip ...........................................................................................110
10.5.7.6 Verifying instantaneous back-up trip at CB faulty condition....................................... 110
10.5.7.7 Verifying the case FunctionMode = Contact............................................................... 111
10.5.7.8 Verifying the function mode Current/Contact.............................................................. 111
10.5.7.9 Completing the test.....................................................................................................111
10.5.8 Overcurrent protection with binary release BRPTOC...................................................... 111
10.5.8.1 Function revision history.............................................................................................112
10.5.8.2 Measuring the operate limit of set values...................................................................112
10.5.8.3 Completing the test.................................................................................................... 112
10.5.9 Tank overcurrent protection TPPIOC...............................................................................113
10.5.9.1 Function revision history.............................................................................................113
10.5.9.2 Verifying the signals and settings............................................................................... 113
10.5.9.3 Completing the test.................................................................................................... 113
10.6 Voltage protection..............................................................................................................113
10.6.1 Two step undervoltage protection U2RWPTUV.............................................................. 113
10.6.1.1 Verifying the settings.................................................................................................. 113
10.6.1.2 Completing the test.................................................................................................... 114
10.6.2 Two step overvoltage protection O2RWPTOV................................................................ 114
10.6.2.1 Verifying the settings.................................................................................................. 114
10.6.2.2 Completing the test.................................................................................................... 115
10.6.3 Two step residual overvoltage protection ROV2PTOV ...................................................115
Table of contents 1MRK 506 377-UEN Rev. L
4Railway application RER670
Commissioning manual
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