Search Results - "Nee, H."

High-Power Modular Multilevel Converters With SiC JFETs by Peftitsis, D., Tolstoy, G., Antonopoulos, A., Rabkowski, J., Jang-Kwon Lim, Bakowski, M., Ängquist, Lennart, Nee, H.

“…This paper studies the possibility of building a modular multilevel converter (M2C) using silicon carbide (SiC) switches. The main focus is on a theoretical…”
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Challenges Regarding Parallel Connection of SiC JFETs by Peftitsis, D., Baburske, R., Rabkowski, J., Lutz, J., Tolstoy, G., Nee, H.

“…State-of-the-art silicon carbide switches have current ratings that are not sufficiently high to be used in high-power converters. It is, therefore, necessary…”
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DC-Link Stabilization and Voltage Sag Ride-Through of Inverter Drives by Pietilainen, K., Harnefors, L., Petersson, A., Nee, H.-P.

“…Previous results concerning instability of the dc link in inverter drives fed from a dc grid or via a rectifier are extended. It is shown that…”
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Genetic relationships and evolution in Cucurbita pepo (pumpkin, squash, gourd) as revealed by simple sequence repeat polymorphisms by Gong, Li, Paris, Harry S., Nee, Michael H., Stift, Gertraud, Pachner, Martin, Vollmann, Johann, Lelley, Tamas

“…Genetic relationships among 104 accessions of Cucurbita pepo were assessed from polymorphisms in 134 SSR (microsatellite) and four SCAR loci, yielding a total…”
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A general algorithm for speed and position estimation of AC motors by Harnefors, L., Nee, H.-P.

“…A computationally efficient speed and position estimation algorithm, generally applicable to AC motor drives, is designed and analyzed. Applications include:…”
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Low-Loss High-Performance Base-Drive Unit for SiC BJTs by Rabkowski, J., Tolstoy, G., Peftitsis, D., Nee, H.

“…Driving a silicon carbide bipolar junction transistor is not a trivial issue, if low drive power consumption and short-switching times are desired. A…”
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Steady-State Analysis of Interaction Between Harmonic Components of Arm and Line Quantities of Modular Multilevel Converters by Ilves, K., Antonopoulos, A., Norrga, S., Nee, H-P

“…The fundamental frequency component in the arm currents of a modular multilevel converter is a necessity for the operation of the converter, as is the…”
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Coating Breakdown and Galvanically Accelerated Crevice Corrosion of Aluminum Alloys 2024 and 7075 at Cadmium-Plated Steel Fasteners by Moran, A., Jennings, J., Nee, H., Pearson, S., Clark, B., Lillard, R.S.

“…The breakdown of a Mil-spec coating system at fasteners in aluminum alloys after fatigue and environmental exposure was studied using electrochemical impedance…”
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Model-based current control of AC machines using the internal model control method by Harnefors, L., Nee, H.-P.

“…In this paper, the internal model control (IMC) method is applied to AC machine current control. Permanent magnet synchronous machines and induction machines…”
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The genus Lycianthes (Solanaceae, Capsiceae) in Mexico and Guatemala by Dean, Ellen, Poore, Jennifer, Anguiano-Constante, Marco Antonio, Nee, Michael H, Kang, Hannah, Starbuck, Thomas, Rodrígues, Annamarie, Conner, Matthew

“…, the third most species-rich genus in the Solanaceae, is distributed in both the New and Old Worlds and is especially diverse in Mexico. Here we provide an…”
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System dynamic modelling to assess economic viability and risk trade-offs for ecological restoration in South Africa by Crookes, D.J., Blignaut, J.N., de Wit, M.P., Esler, K.J., Le Maitre, D.C., Milton, S.J., Mitchell, S.A., Cloete, J., de Abreu, P., Fourie (nee Vlok), H., Gull, K., Marx, D., Mugido, W., Ndhlovu, T., Nowell, M., Pauw, M., Rebelo, A.

“…Can markets assist by providing support for ecological restoration, and if so, under what conditions? The first step in addressing this question is to develop…”
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Hydrogen trapping at surface and subsurface vacancies of low-index surfaces of Pd by Subashiev, A.V., Nee, H.H.

“…•Adsorption energies and configurations for various clusters of H atoms at the surface and subsurface vacancies are presented.•Enhanced binding is found for…”
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Investigation of StatComs With Capacitive Energy Storage for Reduction of Voltage Phase Jumps in Weak Networks by Hailian Xie, Angquist, L., Nee, H.-P.

“…The voltage at the point of common coupling (PCC) in a weak network is very sensitive to load changes. A sudden change in active load will cause both a phase…”
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Reply to J. Samuels: Taxonomic notes on several wild relatives of Solanum melongena L by Meyer, Rachel S., Knapp, Sandra, Karol, Kenneth G., Little, Damon P., H. Nee, Michael, Litt, Amy

“…•Meyer et al. found eggplant candidate progenitors appear conspecific.•Meyer et al. claim eggplant domestication occurred multiple times from one…”
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Determination of d and q reactances of permanent-magnet synchronous motors without measurements of the rotor position by Nee, H.-P., Lefevre, L., Thelin, P., Soulard, J.

“…The interest in permanent-magnet synchronous motors (PMSMs) is increasing in a wide area of applications. Since most PMSMs will operate without a shaft sensor…”
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Comparison of Voltage and Flux Modulation Schemes of StatComs Regarding Transformer Saturation During Fault Recovery by Xie, H., Angquist, L., Nee, H.-P.

“…A transformer might be driven into saturation by faults in the connected system. In a transmission system with a static synchronous compensator and…”
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Antioxidant capacities of ten edible North American plants by Acuña, Ulyana Muñoz, Atha, Daniel E., Ma, Jun, Nee, Michael H., Kennelly, Edward J.

“…The EtOAc extract obtained from ten edible North American plants, Acorus calamus, Clintonia borealis, Gaultheria shallon, Juniperus osteosperma, Opuntia…”
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Phylogeographic relationships among Asian eggplants and new perspectives on eggplant domestication by Meyer, Rachel S., Karol, Kenneth G., Little, Damon P., Nee, Michael H., Litt, Amy

“…[Display omitted] ► Analyses revealed two candidate progenitors of Solanum melongena may be conspecific. ► Gene flow appears to have occurred among…”
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Loss Distribution on Solid Pole Plates of Wound-Rotor Synchronous Motors Fed From Inverters Using Direct Torque Control by Shisha, S., Sadarangani, C., Nee, H-P

“…The use of VSD (variable speed drives) is becoming prominent in industry as it has the benefit of being more energy efficient than conventional process-control…”
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Semi-full-bridge submodule for modular multilevel converters by Ilves, K., Bessegato, L., Harnefors, L., Norrga, S., Nee, H.-P

“…The energy variations in each arm of the modular multilevel converter comprises two components. The first component relates to the difference between the…”
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