Results 21 to 30 of about 506,211 (266)

Analysis and Suppression of High Speed Dv/Dt Induced False Turn-on in GaN HEMT Phase-Leg Topology

IEEE Access, 2021
Gallium nitride high electron mobility transistor (GaN HEMT) is liable to gate false turn-on problem when the gate crosstalk voltage exceeds its threshold voltage in the widely adopted phase-leg topology due to its low threshold voltage and high ...
Xiao Long, Zhao Jun, Li Pu, Dongdong Chen, Wu Liang   +4 more
doaj   +1 more source

Operation of the Hybrid Photovoltaic-Battery System on the Electricity Market—Simulation, Real-Time Tests and Cost Analysis

Energies, 2020
This paper presents research on a hybrid photovoltaic-battery energy storage system, declaring its hourly production levels as a member of a balancing group submitting common scheduling unit to the day-ahead market.
Robert Małkowski, Marcin Jaskólski, Wojciech Pawlicki   +2 more
doaj   +1 more source

An Adaptive Model Predictive Voltage Control for LC-Filtered Voltage Source Inverters

Applied Sciences, 2021
The three-phase inductor and capacitor filter (LC)-filtered voltage source inverter (VSI) is subjected to uncertain and time-variant parameters and disturbances, e.g., due to aging, thermal effects, and load changes.
Hosein Gholami-Khesht, Pooya Davari, Frede Blaabjerg   +2 more
doaj   +1 more source

Effects of Nanoparticle Materials on Prebreakdown and Breakdown Properties of Transformer Oil

Applied Sciences, 2018
In order to reveal the effects of nanoparticle materials on prebreakdown and breakdown properties of transformer oil, three types of nanoparticle materials, including conductive Fe3O4, semiconductive TiO2 and insulating Al2O3 nanoparticles, were prepared
Yuzhen Lv, Yang Ge, Lei Wang, Zhen Sun, You Zhou, Meng Huang, Chengrong Li, Jinsha Yuan, Bo Qi   +8 more
doaj   +1 more source

Secondary voltage regulation based on average voltage control

TecnoLógicas, 2018
This paper compares a conventional Secondary Voltage Regulation (SVR) scheme based on pilot nodes with a proposed SVR that takes into account average voltages of control zones.
Edwin H. Lopera-Mazo, Jairo Espinosa
doaj   +1 more source

Voltage Controlled Amplifier with Linearized Response to the Controlling Voltage

, 2016
In this paper a design of a voltage controlled amplifier is described together with its practical realization and measured parameters. The amplifier is supposed to be employed in audio signal processing systems, for example volume expanders, etc. The design was created with the aid of several software supports as Maple for mathematical description of ...
Pospíšilík, Martin, Silva, Rui Miguel Soares, Adámek, Milan   +2 more
openaire   +2 more sources

The HIT Network for Children and Adolescents With CNS Tumors Facilitates Improvements of Diagnostic Assessments, Multimodal Treatments, Individual Counseling, and Research in Germany, Austria, and Switzerland

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background The HIT network was established in 2000 to create a population‐based structure aiming to improve survival rates and reduce late effects for children with central nervous system (CNS) tumors by conducting comprehensive clinical trials.
Stefan Rutkowski, Michael C. Frühwald, Gudrun Fleischhack, Stephan Tippelt, Pablo Hernáiz‐Driever, Olaf Witt, Astrid Gnekow, Christof Kramm, Matthias Eyrich, Johannes E. A. Wolf, Hermann Müller, Carsten Friedrich, Uwe R. Kordes, Denise Obrecht‐Sturm, Petra Ketteler, Barbara von Zezschwitz, Pascal Johann, Dominik Sturm, Karoline Nemes, Stefan Schönberger, Till Milde, Brigitte Bison, Monika Warmuth‐Metz, Torsten Pietsch, Ulrich Schüller, Arend Koch, David Capper, Martin Hasselblatt, Christian Thomas, Christian Hagel, Stefan M. Pfister, Felix Sahm, David T. W. Jones, Martin U. Schuhmann, Jürgen Krauss, Pedram Emami, Ahmed El Damaty, Rolf D. Kortmann, Rudolf Schwarz, Jürgen Debus, Mechthild Krause, Fabian Pohl, Holger Ottensmeier, Lisa Bußenius, Katja Baust, Andreas Faldum, Cecile Ronckers, Desiree Grabow, Martin Benesch, Thomas Perwein, Karin Dieckmann, Irene Slavc, Johannes Gojo, Nicolas U. Gerber, André O. von Bueren, Katrin Scheinemann, Gabriele Calaminus, Beate Timmermann, Ulrich‐Wilhelm Thomale, Martin Mynarek   +59 more
wiley   +1 more source

Improved Faster R-CNN Forsubstation Electrical Main Wiring Diagram Element Detection

Journal of Harbin University of Science and Technology
Aiming at the problems of low accuracy of element detection and high false detection rate and leakage rate of small target elements in electrical main wiring diagrams of substations, a method of element detection of electrical main wiring diagrams of ...
FENG Bing, DU Yuefan, JIN Yao, ZONG Xiangrui, JIN Hua, LIU Tanjing, WANG Cong   +6 more
doaj   +1 more source

Role of Voltage Control Devices in Low Voltage State Estimation Process

International Transactions on Electrical Energy Systems, 2023
Megatrends, such as the proliferation of distributed generation, electrification, and the appearance of aggregator companies, put the low voltage power grids under intense pressure.
István Táczi, István Vokony, Lilla Barancsuk, Gábor Mihály Péter, Balázs Tőzsér, Bálint Hartmann   +5 more
doaj   +1 more source

Stressful Events Reported by Childhood Cancer Survivors and Community Controls From the St. Jude Lifetime (SJLIFE) Cohort: A Mixed Method Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Characterizing stressful events reported by childhood cancer survivors experienced throughout the lifespan may help improve trauma‐informed care relevant to the survivor experience. Methods Participants included 2552 survivors (54% female; 34 years of age) and 469 community controls (62% female; 33 years of age) from the St.
Megan E. Ware, Colter K. Clayton, Fang Wang, Sedigheh Mirzaei, Kyla Shelton, Tara M. Brinkman, Victoria Willard, Katianne M. Howard Sharp, Kevin Krull, Lindsay F. Schwartz, Melissa M. Hudson, Gregory T. Armstrong, Kirsten K. Ness, Rachel T. Webster   +13 more
wiley   +1 more source