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In this paper, the measuring and calibration techniques useful for ensuring the traceability of nonconventional voltage transformer (VT), used in ac power plant up to 52 kV, are described and discussed. In particular, a setup made by commercially available devices is presented and an in-depth accuracy analysis is performed by considering all the uncertainty sources located in the measurement chain...
In this paper the measuring and calibration techniques useful for ensuring the traceability of non-conventional instrument transformer, used in ac power plant up to 52 kV, are described and discussed. The aim of this work is to compare different calibration set up by evaluating the available uncertainty level.
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