An AC current transformer measuring system for power frequencies

@article{Mohns2016AnAC,
  title={An AC current transformer measuring system for power frequencies},
  author={Enrico Mohns and Gunter Roeissle and Soeren Fricke and Florian Pauling},
  journal={2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)},
  year={2016},
  pages={1-2}
}
This paper describes the design and setup of the new AC current transformer calibration system at PTB, which uses enhanced actively compensated current comparators (CCs) for rated primary currents from 5 A up to 60 kA and a new current transformer bridge based on the differential method. The bridge makes use of modern high-resolution analog-to-digital converters and makes it possible to connect traditional current transformers (CTs) as well as two-stage CTs with rated secondary currents from… CONTINUE READING

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