Searched for: author%3A%22Rietveld%2C+Gert%22
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Ali Mubarak, Faisal (author), Mascolo, V. (author), Hussain, Faizan (author), Rietveld, Gert (author)
Closed-form solutions are presented for calculating the reflection coefficient with corresponding uncertainty of metrology-grade 3.5 mm air-dielectric coaxial transmission lines for use as reference standards in S-parameter measurements up to 33 GHz. The closed-form solutions allow the calculation of the sensitivity coefficients required for...
journal article 2024
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Zhao, W. (author), Ghafoor, S. (author), Lagerweij, Gijs Willem (author), Rietveld, Gert (author), Vaessen, P.T.M. (author), Ghaffarian Niasar, M. (author)
This paper comprehensively reviews several techniques that address the static and dynamic voltage balancing of series-connected MOSFETs. The effectiveness of these techniques was validated through simulations and experiments. Dynamic voltage-balancing techniques include gate signal delay adjustment methods, passive snubbers, passive clamping...
journal article 2024
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Mubarak, F.A. (author), Romano, R. (author), Galatro, L. (author), Mascolo, V. (author), Rietveld, Gert (author), Spirito, M. (author)
This paper analyzes and accurately models the complex noise behavior of vector network analyzers (VNAs) when measuring large-mismatch devices and subsequently shows how the VNA measurement noise performance is enhanced through implementation of a high-speed, broadband, active RF interferometer module. The presented VNA noise model provides a...
journal article 2019
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Save, N.P. (author), Popov, M. (author), Jongepier, Arjen (author), Rietveld, Gert (author)
The installation of phasor measurement units (PMUs) by Enduris, one of the distribution network operators in the Netherlands to monitor their 50 kV ring distribution grid has resulted in increased observability of the power flows and voltages. However, with the increased observability, there is a need to analyse the distribution grid based on...
journal article 2017
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Popov, M. (author), Parmar, Shreya (author), Rietveld, Gert (author), Preston, Gary (author), Radojevic, Zoran (author), Terzija, Vladimir (author)
This paper presents a comparison between two different approaches to fault location both with and without utilising transmission line parameters. Firstly, an impedance-based parameter-dependent algorithm, derived by using modal transformation theory and fast Fourier transform is presented. The methodology is able to locate the fault whether it...
journal article 2016
Searched for: author%3A%22Rietveld%2C+Gert%22
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