Transformer Turns Ratio Tester DV Power TRT03A

As one of the main parts of an electrical substation, a power transformer must be reliable and operative 24 hours a day, 7 days in a week. Proper maintenance of the electrical transformer is beneficial in order to increase safety and detect problems before they become too dangerous. It also helps to reduce maintenance expenses.One of the most important maintenance test of power transformers is the turns ratio test.The DV Power TRT03A is a device that provides the possibility of a turns ratio test with the best turns ratio accuracy of 0.03%. It belongs to the TRT Standard Series, fully automatic test set specially designed for turns ratio, phase shift, and excitation current measurements of a power, distribution and instrument transformers. TRT03A is a lightweight solution that weighs only 8 kg (17.6 lbs) with a single-phase test voltage source. Test voltages of a DV Power's TRT03A are 8, 40 and 100 V AC. Typical applications of the instrument Turns ratio measurement Turns ratio deviation calculation Excitation current measurement Phase angle measurement Automatic vector group detection Verification of demagnetization process Magnetic balance test The DV Power TRT03A is based on a state of the art technology, using the most advanced technique available today. The transformer turns ratio is determined with TRT03A by applying voltages across HV windings, measuring voltages across the unloaded transformer winding and then displaying the ratio of these voltages.For all three parameters measured: turns ratio, excitation current and phase angle, TRT Standard Series has the highest accuracy in the market, which makes potential transformer irregularities and faults more visible. Official DV-Win software is included in the purchase price of the DV Power’s TRT03A. It allows full control of TRT functions, has the option for creating and storing test plans. All test results are presented both, numerically and graphically. Also, with using the DV Win software the results can be arranged, exported and printed for a report.