Raytech TR-1P - Page 23

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22 RAYTECH Switzerland
Example: Measuring a Y:D transformer:
The TR-1 Displays: 12.73
The Turns-Ratio is: 12.73 * 2 / 3 = 8.48667
( column 2 )
The Voltage-Ratio is: 12.73 * 2 / sqrt3 = 14.6993
( column 3 )
or Voltage-Ratio is: 8.48667 * sqrt3 = 14.6993
( column 4 )