Vanguard EZCT-S2A - Manual (Page 26)

EZCT S2A USER’S MANUAL REV 1
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Table 3. Descriptions of Tabulated Test Results Elements
Item
Number
Description
1 Test record header information.
2 The 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
ASA 10/50 knee point voltage and excitation current
(This is equivalent to the IEC 10/50 and ANSI 10/50 knee point voltage and excitation current)
9 IEEE 30 ° knee point voltage and excitation current.
10 IEEE 45 ° knee point voltage and excitation current.
11 CT nameplate turns ratio.
12 Measured turns ratio.
13 Turns ratio percentage error.
14 Polarity of the CT.
15 Measured phase angle.
16 Excitation voltage used in CT turns ratio test.
17 Excitation current in turns ratio test.