Siemens 7PG2113 Technical Manual page 4

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List of Figures
Figure 1.3-1 CT Polarity test 1 arrangement ............................................................................................................ 9
Figure 1.3-2 CT Polarity test 2 arrangement .......................................................................................................... 10
Figure 1.4-1 -Connections for Overall Fault setting Tests by Primary Injection ..................................................... 13
Figure 2.2-1 Directional Phase Fault Boundary System Angles............................................................................. 23
Figure 2.3-1 Phase Overcurrent............................................................................................................................. 24
Figure 2.4-1 Voltage Controlled Overcurrent ......................................................................................................... 27
Figure 2.5-1 Cold Load .......................................................................................................................................... 29
Figure 2.5-2 Cold Load Logic diagram................................................................................................................... 30
Figure 2.6-1 Directional Earth Fault Boundary System Angles .............................................................................. 32
Figure 2.7-1 Derived Earth Fault............................................................................................................................ 33
Figure 2.8-1 Measured Earth Fault ........................................................................................................................ 37
Figure 2.9-1 Sensitive Earth Fault.......................................................................................................................... 41
Figure 2.10-1 Restricted Earth Fault ...................................................................................................................... 45
Figure 2.11-1 Negative Phase Sequence Overcurrent .......................................................................................... 47
Figure 2.12-1 Undercurrent.................................................................................................................................... 50
Figure 2.13-1 Thermal Overload ............................................................................................................................ 52
Figure 2.14-1 Phase Under/Over Voltage.............................................................................................................. 54
Figure 2.15-1 NPS Overvoltage ............................................................................................................................. 56
Figure 2.16-1 Neutral Overvoltage......................................................................................................................... 58
Figure 3.1-1 CB Fail............................................................................................................................................... 60
Figure 3.2-1 Voltage Transformer Supervision ...................................................................................................... 62
Figure 3.3-1 Current Transformer Supervision 7PG2113/5 ................................................................................... 64
Figure 3.3-2 Current Transformer Supervision 7PG2114/6 ................................................................................... 65
Figure 3.4-1 Broken Conductor.............................................................................................................................. 66
Figure 3.5-1 Trip Circuit Supervision...................................................................................................................... 68
Figure 3.6-1 Magnetising Inrush Detector.............................................................................................................. 69
List of Tables
C.T ratio and polarity tests............................................................................................................... 10
Resistance and capacitance limitations........................................................................................... 11
Test of fault settings ........................................................................................................................ 13
stability tests.................................................................................................................................... 15
check of secondary connections using 3 Phase load current .......................................................... 17
AC meter text .................................................................................................................................. 17
Sequence Current meters ............................................................................................................... 17
Binary Inputs test results ................................................................................................................. 18
Binary Output Test Results.............................................................................................................. 20
Case Shorting Contacts Test Results.............................................................................................. 20
Protection Function Conflicts........................................................................................................... 21
Directional Polarising Voltages........................................................................................................ 22
Directional Check ............................................................................................................................ 22
Directional Limits Test Results ........................................................................................................ 23
Minimum polarising Voltage Results ............................................................................................... 23
2 out of 3 Logic Test ........................................................................................................................ 24
50 Results ....................................................................................................................................... 25
51 Results ....................................................................................................................................... 25
Standard Timing Curve values ........................................................................................................ 25
50 Element Blocking Results........................................................................................................... 26
ANSI reset standard values............................................................................................................. 26
Reset Time Results ......................................................................................................................... 26
Directional Polarising Voltages........................................................................................................ 27
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
©2010 Siemens Protection Devices Limited
7PG2113/4/5/6 Commissioning & Maintenance
Chapter 6 Page 4 of 77

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