ABB RED670 - Page 12

Measuring the operate and time limit for set values.............178
Completing the test..............................................................
183
Breaker failure protection, phase segregated activation and
output CCRBRF.........................................................................183
Checking the phase current operate value, IP> ................... 183
Checking the residual (earth fault) current operate value
IN> set below IP> ................................................................. 183
Checking the re-trip and back-up times................................184
Verifying the re-trip mode..................................................... 184
Verifying the back-up trip mode............................................185
Verifying instantaneous back-up trip at CB faulty condition. 186
Verifying the function mode Current/Contact ....................... 186
Completing the test.............................................................. 187
Stub protection STBPTOC........................................................ 187
Measuring the operate limit of set values.............................187
Completing the test.............................................................. 188
Pole discordance protection CCPDSC...................................... 188
Verifying the settings............................................................ 188
Completing the test.............................................................. 189
Directional underpower protection GUPPDUP ......................... 189
Verifying the settings............................................................ 189
Completing the test.............................................................. 191
Directional overpower protection GOPPDOP ...........................191
Verifying the settings............................................................ 191
Completing the test.............................................................. 192
Broken conductor check BRCPTOC ........................................ 192
Measuring the operate and time limit of set values.............. 192
Completing the test.............................................................. 192
Voltage-restrained time overcurrent protection VRPVOC......... 192
Verifying the settings............................................................ 193
Completing the test.............................................................. 196
Voltage protection...........................................................................196
Two step undervoltage protection UV2PTUV ...........................196
Verifying the settings............................................................ 196
Completing the test.............................................................. 198
Two step overvoltage protection OV2PTOV .............................198
Verifying the settings............................................................ 198
Extended testing...................................................................199
Completing the test.............................................................. 199
Two step residual overvoltage protection ROV2PTOV ............ 199
Verifying the settings............................................................ 199
Completing the test.............................................................. 200
Overexcitation protection OEXPVPH ....................................... 200
Verifying the settings............................................................ 200
Table of contents
6 Line differential protection RED670 2.2 IEC
Commissioning manual