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M-3520 Instruction Book
Chapter 6
Testing
Automatic Calibration .......................................................................... 6–10
Input Configurations ............................................................................ 6–11
Functional Test Procedures ................................................................ 6–12
21 Phase Distance (#1, #2) ................................................................6–13
25 Sync Check ................................................................................... 6–15
27 Undervoltage, 3 Phase (#1, #2) ..................................................... 6–17
27G Undervoltage, Neutral ................................................................. 6–18
32 Directional Power, #1 or #2 ............................................................6–19
46DT Negative Sequence Overcurrent Definite Time .......................... 6–21
46IT Negative Sequence Overcurrent Inverse Time ........................... 6–22
47 Negative Sequence Overvoltage .................................................... 6–23
50 Instantaneous Phase Overcurrent ................................................. 6–24
50G Instantaneous Phase Overcurrent, Neutral ................................. 6–25
51V Inverse Time Overcurrent, Phase ................................................ 6–26
51G Inverse Time Residual Overcurrent, Neutral ............................... 6–27
59 Overvoltage, 3–Phase (#1 or #2) ................................................... 6–28
59I Peak Overvoltage, 3–Phase ......................................................... 6–29
59G Neutral Overvoltage .................................................................... 6–30
60FL V.T. Fuse Loss Detection .......................................................... 6–31
67DT Definite Time Directional Overcurrent ....................................... 6–32
67IT Inverse Time Directional Overcurrent ......................................... 6–33
67NDT Residual Definite Time Directional Overcurrent ....................... 6–34
67NIT Residual Inverse Time Directional Overcurrent ........................ 6–36
78 Out of Step ....................................................................................6–38
79 Reconnect ..................................................................................... 6–39
81 Frequency (#1, #2, #3, or #4) ......................................................... 6–40
81R Rate of Change of Frequency (#1, #2) .........................................6–41
Appendices
Appendix A: Configuration Record Forms ............................................ A–1
Appendix B: Communications ............................................................. B–1
Appendix C: Error Codes ..................................................................... C–1
Appendix D: Inverse Time Curves ....................................................... D–1
Appendix E: Layup and Storage .......................................................... E–1
Summary of Contents for M-3520
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