Vanguard EZCT-2000 - Manual (Page 4)

EZCT-2000 USER’S MANUAL REV 3
iii
LIST OF TABLES
Table 1. EZCT-2000 Technical Specifications .................................................................................. 4
Table 2. Functional Descriptions of EZCT-2000 Controls and Indicators ........................................ 6
Table 3. Descriptions of Tabulated Test Results Elements ........................................................... 22
Table 4. Description of Test Plan Elements .................................................................................. 37
LIST OF FIGURES
Figure 1. EZCT-2000 Controls and Indicators .................................................................................. 5
Figure 2. Typical EZCT-2000 Excitation and Ratio Test Cable Connection ...................................... 9
Figure 3. Bushing CT Connection on Delta Transformer .............................................................. 10
Figure 4. Bushing CT Connection on Y Transformer ..................................................................... 10
Figure 5. Sample CT Name Plate ................................................................................................... 11
Figure 6. Typical EZCT-2000 Tabulated Report Printout ............................................................... 21
Figure 7. Typical EZCT-2000 Graphic Report ................................................................................. 23
Figure 8. Typical EZCT-2000 Graphic Report with Multiple Plot Curves ....................................... 23
Figure 9. Typical Internal Test Record Directory Printout ............................................................ 29
Figure 10. Typical EZCT-2000 Flash EEPROM Test Plan Directory Printout .................................. 35
Figure 11. Typical Test Plan Printout ............................................................................................ 37
Figure 12. Graphic Report Showing Knee Point Marker ............................................................... 46
Figure 13. Buried CT in a Delta Transformer Illustration 1 ........................................................... 48
Figure 14. Buried CT in a Delta Transformer Illustration 2 ........................................................... 48
Figure 15. EZCT-2000 V
x
Verification Test Connections ............................................................... 53
Figure 16. EZCT-2000 I
x
Verification Test Connections ................................................................. 54
Figure 17. EZCT-2000 Turns Ratio Verification Test Connections ................................................ 55
Figure 18 ....................................................................................................................................... 57
Figure 19 ....................................................................................................................................... 58
Figure 20 ....................................................................................................................................... 59
Figure 21 ....................................................................................................................................... 60
Figure 22 ....................................................................................................................................... 61
Figure 23 ....................................................................................................................................... 62
Figure 24 ....................................................................................................................................... 63
Figure 25 ....................................................................................................................................... 63