Vanguard EZCT-2000C Plus - Manual (Page 34)

EZCT-2000C USER’S MANUAL REV 1
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Table 4. Descriptions of Tabulated Test Results Elements
Item
Number
Description
1 Test record header information.
2 The EZCT-2000C X terminals (taps) that were selected for this test.
3 Test note for this particular test. The test note can be up to 20-characters long.
4 Recorded excitation current readings on the CT secondary winding.
5 Recorded excitation test voltages applied to the CT secondary winding.
6 Impedance calculated at each data point.
7 The voltage, current, and impedance data points recorded on the graph grid-marks.
8 Measured DC resistance value of CT under test.
9
IEC 10/50 knee point voltage and excitation current (IEC 60044-1 10/50). This knee point voltage is the
same as the ANSI 10/50 knee point voltage.
10 IEEE 30 ° knee point voltage and excitation current.
11 IEEE 45 ° knee point voltage and excitation current.
12 CT nameplate turns ratio.
13 Measured turns ratio.
14 Turns ratio percentage error.
15 Polarity of the CT.
16 Measured phase angle.
17 Excitation voltage used in CT turns ratio test.
18 Excitation current in turns ratio test.
19
Current ratio error table. This information will be printed only if you selected “YES” for the “CALC ERR
VS BURDEN?” option when running a test. See section 3.3.2, step h for details.
20
Current phase error table. This information will be printed only if you selected “YES” for the “CALC
ERR VS BURDEN?” option when running a test. See section 3.3.2, step h for details.
21
Burden test results. This information will be printed only if you chose to run the burden test. Please see
section 3.3.2, step p for details.
22
Insulation resistance test results. This information will be printed only if you chose to run the insulation
resistance test. Please see section 3.3.2, step o for details.