ABB RELION REG670 Commissioning Manual page 11

12.4.12.3 Initiating ZCVPSOF automatically and setting mode to UILevel ................................. 147
12.4.12.4 Completing the test...............................................................................................................147
12.4.13 Loss of excitation LEXPDIS ..................................................................................................... 147
12.4.13.1 Verifying the settings............................................................................................................148
12.4.13.2 Completing the test...............................................................................................................149
12.4.14 Phase preference logic PPLPHIZ ............................................................................................149
12.4.14.1 Completing the test...............................................................................................................149
12.4.15 Under impedance protection for Generator ZGVPDIS.......................................................150
12.4.15.1 Verifying the settings............................................................................................................150
12.4.15.2 Completing the test...............................................................................................................152
12.4.16 Rotor earth fault protection with RXTTE4 and general current and voltage
protection CVGAPC................................................................................................................... 152
12.4.16.1 Testing......................................................................................................................................153
12.4.16.2 Completing the test...............................................................................................................154
12.5 Current protection.........................................................................................................................154
12.5.1 Instantaneous phase overcurrent protection 3-phase output PHPIOC ........................ 154
12.5.1.1 Measuring the operate limit of set values.........................................................................154
12.5.1.2 Completing the test...............................................................................................................154
12.5.2 Four step phase overcurrent protection 3-phase output OC4PTOC.............................. 155
12.5.2.1 Verifying the settings............................................................................................................ 155
12.5.2.2 Completing the test...............................................................................................................156
12.5.3 Instantaneous residual overcurrent protection EFPIOC .................................................. 156
12.5.3.1 Measuring the operate limit of set values.........................................................................156
12.5.3.2 Completing the test...............................................................................................................156
12.5.4 Four step residual overcurrent protection, (Zero sequence or negative sequence
directionality) EF4PTOC .......................................................................................................... 156
12.5.4.1 Four step directional earth fault protection.....................................................................156
12.5.4.2 Four step non-directional earth fault protection.............................................................157
12.5.4.3 Completing the test............................................................................................................... 157
12.5.5 Four step negative sequence overcurrent protection NS4PTOC ....................................157
12.5.5.1 Completing the test...............................................................................................................158
12.5.6 Sensitive directional residual overcurrent and power protection SDEPSDE ................158
12.5.6.1 Measuring the operate and time limit for set values......................................................159
12.5.6.2 Completing the test...............................................................................................................163
12.5.7 Thermal overload protection, one time constant, Celsius/Fahrenheit
LCPTTR/LFPTTR.........................................................................................................................163
12.5.7.1 Measuring the operate and time limit of set values....................................................... 163
12.5.7.2 Completing the test...............................................................................................................163
12.5.8 Thermal overload protection, two time constants TRPTTR .............................................163
12.5.8.1 Checking operate and reset values.....................................................................................163
12.5.8.2 Completing the test...............................................................................................................164
12.5.9 Breaker failure protection, phase segregated activation and output CCRBRF............164
12.5.9.1 Checking the phase current operate value,
12.5.9.2 Checking the residual (earth fault) current operate value
12.5.9.3 Checking the re-trip and back-up times............................................................................ 165
12.5.9.4 Verifying the re-trip mode.................................................................................................... 165
12.5.9.5 Verifying the back-up trip mode......................................................................................... 166
Commissioning manual
IP> ................................................................165
IN> set below IP> ............ 165
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