ABB REQ650 - Page 12

Completing the test.......................................................................71
Directional underpower protection GUPPDUP (37)...........................71
Verifying the settings.................................................................... 72
Completing the test.......................................................................73
Directional overpower protection GOPPDOP (32)............................ 74
Verifying the settings.................................................................... 74
Completing the test.......................................................................74
Testing voltage protection functions....................................................... 75
Two step undervoltage protection UV2PTUV (27)............................ 75
Verifying the setting...................................................................... 75
Completing the test.......................................................................76
Two step overvoltage protection OV2PTOV (59).............................. 77
Verification of single-phase voltage and time delay to operate
for Step 1...................................................................................... 77
Completing the test.......................................................................78
Two step residual overvoltage protection ROV2PTOV (59N)........... 78
Verifying the settings.................................................................... 78
Completing the test.......................................................................79
Loss of voltage check LOVPTUV (27)...............................................79
Measuring the operate limit of set values..................................... 80
Completing the test.......................................................................80
Testing frequency protection functions................................................... 81
Underfrequency protection SAPTUF (81)..........................................81
Verifying the settings.................................................................... 81
Completing the test.......................................................................82
Overfrequency protection SAPTOF (81)........................................... 83
Verifying the settings.................................................................... 83
Completing the test.......................................................................84
Rate-of-change frequency protection SAPFRC (81)......................... 85
Verifying the settings.................................................................... 85
Completing the test.......................................................................85
Testing secondary system supervision functions................................... 86
Current circuit supervision CCSRDIF (87).........................................86
Verifying the settings.................................................................... 86
Completing the test.......................................................................86
Fuse failure supervision SDDRFUF...................................................86
Checking that the binary inputs and outputs operate as
expected ...................................................................................... 87
Measuring the operate value for the negative sequence
function ........................................................................................ 88
Table of contents
4
Commissioning manual