E. Houtzager, G. Rietveld, J. Hällström, A-P Elg, and J.H.N. van der Beek, “Selection and characterization of resistors for a HVDC reference divider”, Submitted for publication in the Proceedings of the 2012 Conference on Precision Electromagnetic Measurements, Washington, US (2012).
This paper describes the selection and characterization of resistors for a 1000 kV HVDC divider. One thousand 10 Mresistors will be connected in series in the final design. Due to the large number of resistors only a randomly selected set has been characterized. The measured temperature and voltage coefficients of the resistors are around 1 μΩ/Ω/K and -10 μΩ/Ω/kV respectively, which make them very suitable for reaching the overall desired divider uncertainty of better than 100 μV/V.
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