Results 31 to 40 of about 4,727,589 (239)
A Boost CLLC Converter Controlled by PWM and PFM Hybrid Modulation for Photovoltaic Power Generation
IEEE Access, 2020 When an input terminal is connected to a solar panel with a low voltage level and large power range fluctuation, a Boost type CLLC converter controlled by fixed frequency pulse width modulation (PWM) reduces the utilization of PV electric energy, and the
Zhe Shi +3 more
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A Simulation Study of Ultra-relativistic Jets. III. Particle Acceleration in FR-II Jets
The Astrophysical Journal, 2023 We study the acceleration of ultra-high-energy cosmic rays (UHECRs) in Class II Fanaroff–Riley (FR-II) radio galaxies by performing Monte Carlo simulations for the transport, scattering, and energy change of CR particles injected into time-evolving jet ...
Jeongbhin Seo, Dongsu Ryu, Hyesung Kang
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Relativistic quantum backflow [PDF]
, 2019 In this paper we discuss relativistic quantum backflow. The general theory of relativistic backflow is written down and it is shown that the backflow can be written as a function of a simple parameter epsilon which is defined in terms ...
Strange, Paul +2 more
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Machines, 2022 The periodic flow and pressure pulsation of the axial piston pump can lead to periodic vibration, noise, and even damage to various components in the hydraulic system.
Zhiyuan Sun +3 more
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A new modulation strategy and power balance method of unsymmetrical CHB inverter
IET Renewable Power Generation, 2021 There exist the problems of the low utilization rate of DC voltage, power imbalance and current backflow in the modulation process of traditional unsymmetrical cascaded units.
Renxi Gong +3 more
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Research of single phase-shift close-loop control for bi-directional full-bridge DC-DC converter
Gong-kuang zidonghua, 2014 In view of problem of low efficiency of bi-directional full-bridge DC-DC converter based on traditional single phase-shift control, the paper proposed a design scheme of bi-directional full-bridge DC-DC converter based on single phase-shift close-loop ...
YANG Xiaokang +3 more
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An Optimized Control Scheme to Reduce the Backflow Power and Peak Current in Dual Active Bridge Converters [PDF]
2019 IEEE Applied Power Electronics Conference and Exposition (APEC), 2019 An optimized switching control scheme to reduce the backflow power and the peak current of the dual active bridge converter is presented in this paper. Based on a triple-phase-shift modulation, the control scheme consists of operating the switching devices with three optimized control variables on the basis of achieving a decreased backflow power and ...
Liu, Bochen; id_orcid 0000-0001-7192-994X +2 more
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CFD Analysis of Sine Baffles on Flow Mixing and Power Consumption in Stirred Tank
Applied Sciences, 2022 In order to enhance the fluid mixing in the stirred tank and reduce the power consumption under the condition of full baffle, a sinusoidal sawtooth baffle was established in the present study. Based on the Eulerian–Eulerian method, a numerical simulation
Shuiqing Zhou +5 more
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Quantum backflow and scattering [PDF]
, 2017 Backflow is the phenomenon that the probability current of a quantum particle on the line can flow in the direction opposite to its momentum. In this article, previous investigations of backflow, pertaining to interaction-free dynamics or purely ...
Bostelmann, Henning +5 more
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Energies, 2012 This paper proposes a novel extended-single-phase shift (ESPS) control strategy of isolated bidirectional full-bridge DC-DC converters (IBDCs) which are a promising alternative as a power electronic interface in microgrids with an additional function of ...
Xiaolong Shi, Jiuchun Jiang, Xintao Guo
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