True 3Phase Transformer - Turns Ratio Tester TRT4x
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TRT4x is a true three-phase, fully automatic test set specially designed for turns ratio, phase shift, and excitation current measurements of power, distribution and instrument transformers. TRT4x determines the transformer turns ratio by applying voltages across high voltage windings, accurately measuring voltages across the unloaded transformer windings, and then displaying the ratio of these voltages.
TRT4x is based on a state of the art technology, using the most advanced technique available today. The test set can be used to test singlephase and three-phase transformers, both with and without taps in accordance with the requirements of the IEC 60076-1 standard.