Megger MVCT - Page 4

4
List of Figures
Figure 1 Ethernet Ports ............................................................................................................... 16
Figure 2 Ethernet Port to Power Display ...................................................................................... 16
Figure 3 USB Port ......................................................................................................................... 16
Figure 4 Initial Screen ................................................................................................................... 24
Figure 5 Instrument Connection Screen ....................................................................................... 25
Figure 6 Boot Up Home Screen .................................................................................................... 25
Figure 7 PowerDB Lite Initial Screen .......................................................................................... 26
Figure 8 Instrument Configuration Dialog ................................................................................... 27
Figure 9 Form Selection Dialog .................................................................................................... 27
Figure 10 Instrument Logon Screen ............................................................................................. 28
Figure 11 Connection Dialog ........................................................................................................ 28
Figure 12 PowerDB Lite Home Screen ........................................................................................ 29
Figure 13 Device Settings – CT Testing ....................................................................................... 33
Figure 14 Name Plate Data – CT Testing Mode ........................................................................... 36
Figure 15 Home Screen CT Testing ............................................................................................. 38
Figure 16 Run All Test Screen ...................................................................................................... 39
Figure 17 Manual Test Screen ...................................................................................................... 40
Figure 18 Manual Test Connection Diagram ................................................................................ 42
Figure 19 Manual Test Example ................................................................................................... 44
Figure 20 Demagnetization Connection Diagram ........................................................................ 45
Figure 21 Demagnetization Process.............................................................................................. 46
Figure 22 Self Test Connection Diagram ..................................................................................... 47
Figure 23 Saturation Test Screen .................................................................................................. 48
Figure 24 Ratio Test Screen .......................................................................................................... 49
Figure 25 Winding Resistance Test Screen .................................................................................. 51
Figure 26 Insulation Resistance Test Screen ................................................................................ 53
Figure 27 Burden Test Screen ....................................................................................................... 54
Figure 28 Sample CT Test Report ................................................................................................ 55
Figure 29 Sample Multi Tap Test Report .................................................................................... 57
Figure 30 Ratio and Phase Error Tables ....................................................................................... 58
Figure 31 Report Tap Configuration Dialog ................................................................................. 59
Figure 33 Excitation Curve Data .................................................................................................. 60
Figure 34 View Excitation Data Points ........................................................................................ 61
Figure 35 File Operation Tool Bar................................................................................................ 61
Figure 36 File Manager Screen ..................................................................................................... 62
Figure 37 File Operations Using PC ............................................................................................. 63
Figure 38 File Save Using PC ....................................................................................................... 64
Figure 39 Device Settings – VT Testing....................................................................................... 64
Figure 40 Name Plate Data – VT Testing Mode .......................................................................... 67
Figure 41 Home Screen VT Testing Mode ................................................................................... 69
Figure 42 Run All Test Screen ...................................................................................................... 70
Figure 43 Demagnetization Connection Diagram ........................................................................ 71
Figure 44 Demagnetization Process.............................................................................................. 72
Figure 45 VT Ratio Test Screen ................................................................................................... 73
Figure 46 Saturation Test Screen .................................................................................................. 74