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Sökning: WFRF:(Trinchera Bruno)

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1.
  • Kampik, Marian, et al. (författare)
  • Comparison of a Thermal AC Voltage Standard in the 1 MHz to 30 MHz Frequency Range
  • 2021
  • Ingår i: IEEE Transactions on Instrumentation and Measurement. - 0018-9456 .- 1557-9662. ; 70
  • Tidskriftsartikel (refereegranskat)abstract
    • The paper presents results of a comparison of a travelling AC voltage standard, which was a fused-silica NIST planar multijunction thin-film thermal converter (PMJTC). The AC-DC voltage transfer difference of the standard was measured at 2 V and selected frequencies from 1 MHz to 30 MHz against primary thermal AC voltage standards at SUT, INRiM, RISE and Trescal.
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2.
  • Kohlmann, Johannes, et al. (författare)
  • A quantum standard for sampled electrical measurements-Main goals and first results of the EMRP project Q-WAVE
  • 2014
  • Ingår i: 29th Conference on Precision Electromagnetic Measurements, CPEM 2014. ; , s. 522-523
  • Konferensbidrag (refereegranskat)abstract
    • Josephson voltage standards are well established for use at dc and low-frequency ac voltages. The increasing demand i) to provide traceability for arbitrary waveforms, ii) to extend the range of use to higher frequencies, and iii) to improve the accuracy is being addressed in the project Q-WAVE, which is jointly funded by the European Union and the participating countries within the European Metrology Research Programme (EMRP). Here, sampling measurements and procedures using binary-divided 1 V and 10 V arrays are investigated. In addition, a quantum-based analogue-to-digital converter for direct measurements of arbitrary waveforms is under development. It will contain several Josephson arrays in series biased by a pulse drive based on opto-electronics, in order to increase the output voltage.
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3.
  • Nováková Zachovalová, Věra, et al. (författare)
  • Introduction and progress in the EMPIR project TracePQM : Traceability Routes for Electric Power Quality Measurements
  • 2018
  • Ingår i: Journal of Physics. - : Institute of Physics Publishing.
  • Konferensbidrag (refereegranskat)abstract
    • Increasing demands for traceable, accurate measurements of power and power quality (PQ) parameters have resulted in an intensive metrology research effort in this area. This paper describes the objectives and so far achieved results of the EURAMET EMPIR Project TracePQM (15RPT04), jointly founded by the European Union and the participating countries. The overall goal of this project is to develop an open, modular, and well documented metrology grade system for measurement of power and PQ parameters by means of digital sampling techniques available to everyone and to increase research capacity in this area.
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  • Resultat 1-3 av 3

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