10 test result column format printout, 10 test, Result – Vanguard Tri-Phase User Manual
Page 40: Column format printout, Figure 27.0, Single phase column format printout, Refer to figure 27
TRI-PHASE OPERATING™ INSTRUCTIONS
13.10 Test Result Column Format Printout
1
2
3
4
5
6
7
8
40
12
11
10
9
Figure 27.0
Single Phase Column Format Printout
A typical single-phase transformer test results printout in column format is shown in
The test results printout is explained below.
1. Test record time and date is printed at the top of the printout
2. Test voltage is 40 volts at 60 Hz for this test. Refer to section 11.2 for more details about
test voltages and frequencies
3. Type of transformer under test is single phase
4. Transformer configuration diagram
5. H tap voltage is 2,400 volts
6. X tap voltage is 240 volts
7. Calculated turns-ratio is 10.000
8. Percentage error between calculated ratio and measured ratio is 0.05%
9. Measured winding phase angle is 0.02 degrees
10. Excitation current is 1.9mA
11. Measured ratio is 10.005
12. Winding polarity is shown as “+” or “in phase