List of Figures
Figure 2.3-1 Phase Overcurrent............................................................................................................................. 24
Figure 2.5-1 Cold Load .......................................................................................................................................... 29
Figure 2.12-1 Undercurrent.................................................................................................................................... 50
Figure 2.13-1 Thermal Overload ............................................................................................................................ 52
Figure 2.15-1 NPS Overvoltage ............................................................................................................................. 56
Figure 3.1-1 CB Fail............................................................................................................................................... 60
Figure 3.4-1 Broken Conductor.............................................................................................................................. 66
List of Tables
C.T ratio and polarity tests............................................................................................................... 10
Test of fault settings ........................................................................................................................ 13
stability tests.................................................................................................................................... 15
AC meter text .................................................................................................................................. 17
Sequence Current meters ............................................................................................................... 17
Binary Inputs test results ................................................................................................................. 18
Binary Output Test Results.............................................................................................................. 20
Directional Check ............................................................................................................................ 22
2 out of 3 Logic Test ........................................................................................................................ 24
50 Results ....................................................................................................................................... 25
51 Results ....................................................................................................................................... 25
50 Element Blocking Results........................................................................................................... 26
ANSI reset standard values............................................................................................................. 26
Reset Time Results ......................................................................................................................... 26
51V Operate Voltage ....................................................................................................................... 28
51V Test Results ............................................................................................................................. 28
51V VTS action ............................................................................................................................... 28
51c Test Results.............................................................................................................................. 30
Standard Curve Timing.................................................................................................................... 31
Standard ResetCurve Timing .......................................................................................................... 31
51c Reset Results .......................................................................................................................... 31
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7PG2113/4/5/6 Commissioning & Maintenance
Chapter 6 Page 4 of 77