Vanguard EZCT-S2 - Manual (Page 4)

EZCT S2 USER’S MANUAL REV 3
iii
LIST OF TABLES
Table 1. EZCT S2 Technical Specifications ....................................................................................... 4
Table 2. Functional Descriptions of EZCT S2 Controls and Indicators ............................................ 6
Table 3. Descriptions of Tabulated Test Results Elements ........................................................... 20
Table 4. Description of Test Plan Elements .................................................................................. 35
LIST OF FIGURES
Figure 1. EZCT S2 Controls and Indicators ...................................................................................... 5
Figure 2. Typical EZCT S2 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. Typical EZCT S2 Tabulated Report Printout ................................................................... 19
Figure 6. Typical EZCT S2 Graphic Report ..................................................................................... 21
Figure 7. Typical Internal Test Record Directory Printout ............................................................ 27
Figure 8. Typical EZCT S2 Flash EEPROM Test Plan Directory Printout ........................................ 33
Figure 9. Typical Test Plan Printout .............................................................................................. 35
Figure 10. Graphic Report Showing Knee Point Marker ............................................................... 45
Figure 11. Buried CT in a Delta Transformer Illustration 1 ........................................................... 47
Figure 12. Buried CT in a Delta Transformer Illustration 2 ........................................................... 47
Figure 13. EZCT S2 V
x
Verification Test Connections .................................................................... 51
Figure 14. EZCT S2 I
x
Verification Test Connections ..................................................................... 52
Figure 15. EZCT S2 Turns Ratio Verification Test Connections ..................................................... 53
Figure 16 ....................................................................................................................................... 55
Figure 17 ....................................................................................................................................... 56
Figure 18 ....................................................................................................................................... 57
Figure 19 ....................................................................................................................................... 58
Figure 20 ....................................................................................................................................... 59
Figure 21 ....................................................................................................................................... 60
Figure 22 ....................................................................................................................................... 61
Figure 23 ....................................................................................................................................... 61