ABB RET670 Commissioning Manual page 12

Table of contents
10.5.10.2 Completing the test..................................................................................................................... 155
10.5.11 Directional underpower protection GUPPDUP (37)...................................................................155
10.5.11.1 Verifying the settings...................................................................................................................155
10.5.11.2 Completing the test..................................................................................................................... 156
10.5.12 Directional overpower protection GOPPDOP (32)..................................................................... 157
10.5.12.1 Verifying the settings...................................................................................................................157
10.5.12.2 Completing the test......................................................................................................................157
10.5.13 Broken conductor check BRCPTOC (46)...................................................................................... 157
10.5.13.1 Measuring the trip and time limit of set values...................................................................... 157
10.5.13.2 Completing the test..................................................................................................................... 158
10.5.14 Capacitor bank protection CBPGAPC.......................................................................................... 158
10.5.14.1 Verifying the settings and operation of the function........................................................... 159
10.5.14.2 Completing the test..................................................................................................................... 162
10.5.15 Negative-sequence time overcurrent protection for machines NS2PTOC (46I2)............... 162
10.5.15.1 Verifying settings by secondary injection................................................................................162
10.5.15.2 Completing the test..................................................................................................................... 163
10.5.16 Voltage-restrained time overcurrent protection VRPVOC(51V)............................................. 163
10.5.16.1 Verifying the settings.................................................................................................................. 164
10.5.16.2 Completing the test..................................................................................................................... 167
10.6 Voltage protection................................................................................................................................167
10.6.1 Two step undervoltage protection UV2PTUV (27)..................................................................... 167
10.6.1.1 Verifying the settings...................................................................................................................167
10.6.1.2 Completing the test..................................................................................................................... 168
10.6.2 Two step overvoltage protection OV2PTOV (59)...................................................................... 168
10.6.2.1 Verifying the settings.................................................................................................................. 168
10.6.2.2 Extended testing...........................................................................................................................169
10.6.2.3 Completing the test..................................................................................................................... 169
10.6.3 Two step residual overvoltage protection ROV2PTOV (59N)..................................................169
10.6.3.1 Verifying the settings.................................................................................................................. 169
10.6.3.2 Completing the test..................................................................................................................... 170
10.6.4 Overexcitation protection OEXPVPH (24)................................................................................... 170
10.6.4.1 Verifying the settings...................................................................................................................170
10.6.4.2 Completing the test...................................................................................................................... 171
10.6.5 Voltage differential protection VDCPTOV (60)...........................................................................171
10.6.5.1 Check of undervoltage levels...................................................................................................... 171
10.6.5.2 Check of voltage differential trip and alarm levels.................................................................173
10.6.5.3 Check of trip and trip reset timers............................................................................................ 174
10.6.5.4 Final adjustment of compensation for VT ratio differences ...............................................175
10.6.5.5 Completing the test......................................................................................................................175
10.6.6 Loss of voltage check LOVPTUV (27)............................................................................................ 175
10.6.6.1 Measuring the trip limit of set values....................................................................................... 175
10.6.6.2 Completing the test..................................................................................................................... 176
10.7 Frequency protection...........................................................................................................................176
6
Commissioning manual