ABB REG670 2.0 IEC - Page 11

Completing the test.............................................................. 150
Instantaneous residual overcurrent protection EFPIOC ...........150
Measuring the operate limit of set values.............................151
Completing the test.............................................................. 151
Four step residual overcurrent protection, (Zero sequence or
negative sequence directionality) EF4PTOC ............................151
Four step directional earth fault protection........................... 151
Four step non-directional earth fault protection....................152
Completing the test.............................................................. 152
Four step negative sequence overcurrent protection
NS4PTOC .................................................................................152
Completing the test.............................................................. 153
Sensitive directional residual overcurrent and power
protection SDEPSDE ................................................................153
Measuring the operate and time limit for set values.............154
Completing the test.............................................................. 159
Thermal overload protection, two time constants TRPTTR ......159
Checking operate and reset values......................................159
Completing the test.............................................................. 160
Breaker failure protection, phase segregated activation and
output CCRBRF.........................................................................160
Checking the phase current operate value, IP> ................... 160
Checking the residual (earth fault) current operate value
IN> set below IP> ................................................................. 161
Checking the re-trip and back-up times................................161
Verifying the re-trip mode..................................................... 161
Verifying the back-up trip mode............................................162
Verifying instantaneous back-up trip at CB faulty condition. 163
Verifying the case RetripMode = Contact .............................163
Verifying the function mode Current&Contact ...................... 164
Completing the test.............................................................. 164
Pole discordance protection CCPDSC......................................164
Verifying the settings............................................................ 165
Completing the test.............................................................. 165
Directional underpower protection GUPPDUP .........................166
Verifying the settings............................................................ 166
Completing the test.............................................................. 167
Directional overpower protection GOPPDOP ...........................167
Verifying the settings............................................................ 167
Completing the test.............................................................. 168
Negative-sequence time overcurrent protection for machines
NS2PTOC .................................................................................168
Verifying settings by secondary injection............................. 168
Completing the test.............................................................. 170
Table of contents
Generator protection REG670 2.0 IEC 5
Commissioning manual