Selection and characterization of resistors for a HVDC reference divider

• This paper describes the selection and characterization of resistors for a 1000 kV HVDC divider. One thousand 10 MΩ resistors 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.

Nyckelord

high-voltage techniques

HVDC

metrology

resistance measurement

resistors

temperature coefficient

voltage coefficient

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ref (ämneskategori)

kon (ämneskategori)