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Transformer Test Equipment


About Transformer Test Equipment
 

DV Power test instruments perform various diagnostic tests on power and instrument transformers. Even more, a unique feature is a condition assessment of on-load tap changers. Performing a transformer test before their breakage can be crucial.

Test instruments are portable and enclosed in durable metal cases. Also, the 19” rack mounted version suitable for factories is available as well.

Applications supported by DV Power transformer test equipment include:

Winding resistance measurement (IEC 60076-1)
Analysis of on-load tap changers (IEC 60214-1)
Heat run test (IEC 60076-2)
Automatic transformer demagnetization
Turns ratio measurement of power and instrument transformers (IEC 60076-1)
Excitation current measurement
Phase angle measurement
Transformer vector group detection
Demagnetization status verification

All of the above-mentioned measurements are performed with the highest accuracy.

The advanced DV-Win PC software collects both numerical and graphical results. As a result of that, these features provide an easier and more efficient analysis. After the test, DV-Win software generates a test report with a single click. Furthermore, a user can easily customize the test report and save it in different formats, such as XLS or PDF.

Finally, the analysis of on-load tap changers is performed by the new method called dynamic resistance measurement (DRM). This is a non-intrusive method. Therefore, it allows detecting problems in on-load tap changers without disassembling them.