Comparison of laboratory and grid measurements of 9 kHz to 150 kHz appliance emissions

Lodetti, Stefano; Davis, Peter N.; Ritzmann, Deborah; Wright, P.S.; Khokhlov, Victor; Meyer, Jan; Istrate, D.; Kasri, K.; Brom, Helko E. van den; Ye, G.; Leeuwen, Ronald van; Gallarreta, Alexander; Vega, David

doi:10.1109/amps55790.2022.9978783

Cited by 1 publication

(1 citation statement)

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“…Apart from the methods suggested in the IEC 61000-4-30 [17], several alternative methods for the detection of emission or measurement of compatibility levels in the frequency range from 2 kHz to 150 kHz exist [39], including the quasi-peak detection method of CISPR-16-1-1 [40] for frequencies above 9 kHz. The latter is designed for laboratory testing, but has recently been modified [41] and tested [42] for grid applications. However, for the purpose of this paper, we will use the straightforward approach of Equation ( 5) described in the previous paragraph over the whole frequency range.…”

Section: Spectral Analysismentioning

confidence: 99%

Power Quality Measurement Results for a Configurable Urban Low-Voltage DC Microgrid

van den Brom,

van Leeuwen,

Maroulis

et al. 2023

Energies

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The growing use of renewable energy sources and sustainable technologies has increased the attractiveness of low-voltage DC distribution grids. Despite initial research and standardization work, the definition of power quality (PQ) issues and their related compatibility levels in DC grids and the related measurement techniques remain in their infancy. The lack of available measurement results obtained in real-world situations is a major shortcoming. In this paper, the results of a measurement campaign obtained in a configurable bipolar 350 V/700 V DC microgrid in an urban environment are presented. Voltage and current signals were registered continuously at different positions in the microgrid with a sampling rate of 500 kSa/s while changing the configuration of the microgrid; the resulting data were analyzed afterwards, with a focus on DC voltage and current variation, ripple, and spectral analysis. The measurements were taken with custom-designed metrology-sound measurement equipment. The measurement results provide input to the development of DC PQ analysis tools and the standardization of DC PQ measurement methods. Furthermore, the experience obtained will be beneficial for utility companies and regulatory authorities for reliable planning-level and compatibility-level surveys.

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Section: Spectral Analysismentioning

confidence: 99%