Operating Procedures
EZCT and EZCT-10
2
LIST OF TABLES
Table 1 EZCT
Specifications...................................................................................................... 5
Table 2 EZCT-10
Specifications ................................................................................................ 6
Table 3 EZCT
Controls and Indicators ...................................................................................... 8
Table 4 EZCT
Controls and Indicators .................................................................................... 10
Table 5 Run Excitation and Ratio Test ........................................................................................ 15
Table 5 Run Excitation and Ratio Test (continued)..................................................................... 16
Table 5 Run Excitation and Ratio Test (continued)..................................................................... 17
Table 6 Run Ratio Only Test ....................................................................................................... 21
Table 6 Run Ratio Only Test (continued) .................................................................................... 22
Table 7 Enter Test Record ID Procedure ..................................................................................... 24
Table 7 Enter Test Record ID Procedure (continued).................................................................. 25
Table 8 Print Test Record ID Directory Procedure...................................................................... 26
Table 9 Load Test Record ID Directory Procedure ..................................................................... 28
Table 10 Review Record Procedure............................................................................................. 29
Table 10 Review Record Procedure (continued) ......................................................................... 30
Table 11 Print Record Procedures ............................................................................................... 30
Table 12 Print Test Record Directory .......................................................................................... 33
Table 13 Erase Test Record Procedure ........................................................................................ 35
Table 14 Computer Interface Procedures..................................................................................... 36
Table 15 Set Clock Procedures .................................................................................................... 37
Table 16 Set Knee Point Marker Procedures ............................................................................... 38
Table 17 Print Impedance Procedures.......................................................................................... 39
Table 18 EZCT Diagnostic Procedures ....................................................................................... 41
LIST OF FIGURES
Figure 1 EZCT
Control Panel (Controls and Indicators) ........................................................... 7
Figure 2 EZCT-10
Control Panel (Controls and Indicators) ...................................................... 9
Figure 3 Typical EZCT Cable Connection .................................................................................. 12
Figure 4 Connection to CTs on Wye Transformer....................................................................... 13
Figure 5 Connection to CTs on a Delta Transformer................................................................... 13
Figure 6 Typical EZCT Connection to Multiple CTs .................................................................. 14
Figure 7 Typical EZCT
Tabulated Report Printout.................................................................. 19
Figure 8 Typical EZCT
Excitation Graph................................................................................. 20
Figure 9 Ratio Only Test Report Printout .................................................................................... 23
Figure 10 Test Record ID Directory Printout............................................................................... 27
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Figure 12 Typical Graphic Results Print Out With Multiple Excitation Curves ......................... 32
Figure 13 Typical Test Record Directory Printout....................................................................... 34
Figure 14 Tabulated Report with Impedance Print Out ............................................................... 40