ABB REL650 - Page 10

Measuring the operate limit of set values.............................102
Completing the test.............................................................. 103
Directional phase overcurrent protection, four steps
OC4PTOC................................................................................. 103
Verifying the settings............................................................ 103
Completing the test.............................................................. 105
Instantaneous residual overcurrent protection EFPIOC ........... 105
Measuring the operate limit of set values.............................105
Completing the test.............................................................. 105
Four step residual overcurrent protection, (Zero sequence
or negative sequence directionality) EF4PTOC ....................... 106
Four step directional earth fault protection........................... 106
Four step non-directional earth fault protection....................107
Completing the test.............................................................. 107
Four step negative sequence overcurrent protection
NS4PTOC .................................................................................107
Completing the test.............................................................. 108
Sensitive directional residual overcurrent and power
protection SDEPSDE ................................................................108
Measuring the operate and time limit for set values.............109
Completing the test.............................................................. 114
Breaker failure protection, phase segregated activation and
output CCRBRF.........................................................................114
Checking the phase current operate value, IP> ................... 114
Checking the residual (earth fault) current operate value
IN> set below IP> ................................................................. 114
Checking the re-trip and back-up times................................115
Verifying the re-trip mode..................................................... 115
Verifying the back-up trip mode............................................116
Verifying instantaneous back-up trip at CB faulty condition. 117
Verifying the function mode Current/Contact ....................... 117
Completing the test.............................................................. 118
Pole discordance protection CCPDSC...................................... 118
Verifying the settings............................................................ 118
Completing the test.............................................................. 119
Voltage-restrained time overcurrent protection VRPVOC......... 119
Verifying the settings............................................................ 119
Completing the test.............................................................. 123
Voltage protection...........................................................................123
Two step undervoltage protection UV2PTUV ...........................123
Verifying the settings............................................................ 123
Completing the test.............................................................. 124
Two step overvoltage protection OV2PTOV .............................124
Verifying the settings............................................................ 124
Table of contents
4 Line distance protection REL650 2.2 IEC
Commissioning manual