Results 81 to 90 of about 26,645 (120)
, 2015 We study the nuclear modification of angular and momentum correlations between heavy quark pairs in ultrarelativistic heavy-ion collisions. The evolution of heavy quarks inside the thermalized medium is described via a modified Langevin approach that ...
Bass, Steffen A. +2 more
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DC-DC power converter research for Orbiter/Station power exchange [PDF]
This project was to produce innovative DC-DC power converter concepts which are appropriate for the power exchange between the Orbiter and the Space Station Freedom (SSF). The new converters must interface three regulated power buses on SSF, which are at
Ehsani, M.
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IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER [PDF]
, 2006 This report describes a novel soft-switched quasi-resonant DC/DC boost converter. Recently, remarkable efforts have been made in soft-switched quasi-resonant DC/DC converters to reduce losses and improve power efficiency.
Dung, Tran Minh
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Analysis of High Step-Up Quasi-
IEEE Open Journal of the Industrial Electronics SocietyThis article presents a new high step-up quasi-Z-source-based dc–dc converter with switched boost techniques and voltage multiplier cells. Compared with the conventional Z-source-based converters, this converter not only can achieve high voltage ...
Ataollah Samadian +6 more
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Design, Analysis, and Implementation of an Improved High-Gain Quasi-Switched Boost Inverter
International Journal of EngineeringM. Hosseinpour +4 more
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High Step up Switched-Capacitor Quasi-Switched Boost Inverters
2021 12th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC), 2021In this paper a new control method is presented for a switched capacitor-quasi switched boost inverter (SC-qSBI). The proposed control is based on a combination of phase shift and PWM. This method increases the voltage gain and provides soft-switching conditions for the switches.
Zahra Mokhtari, Amin Asghari
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Isolated Quasi-Switched Boost Series Resonant DC-DC Converter
IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021This paper introduces a high-voltage step-up isolated quasi-switched series resonant dc–dc converter with a novel PWM method. The primary side of the proposed converter is composed of a quasi-switched boost network and the secondary side consists of a series resonant tank and voltage doubler rectifier (VDR).
Truong-Duy Duong +5 more
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Single-Phase Five-Level Quasi-Switched Boost T-Type Inverter
2021 IEEE Transportation Electrification Conference & Expo (ITEC), 2021This paper presents a new combination of a quasi-switched boost network and a single-phase five-level T-type inverter for enhancing the boost factor of the converter. The new modulation scheme for the single-phase five-level quasi-switched boost inverter is carried out to reduce the complexity of inserting shoot-through state without affecting the ...
Vinh-Thanh Tran +3 more
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High Gain Quasi-Switched Boost Inverter With Optimal Performance Parameters
IEEE Transactions on Transportation Electrification, 2020Numerous Z-source three-phase inverters are developed for realizing higher voltage gain which are suitable to use in hybrid electric vehicle to drive the electric machine. However, higher voltage and current stress of the passive elements and semiconductor devices are the major limitations of the reported Z-source inverters.
Motiur Reza +7 more
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Modified High Voltage Gain Soft-Switched Quasi-Switched Boost Inverter
2019 IEEE International Conference on Industrial Technology (ICIT), 2019In this paper, a new control method based on combination of pulse-width modulation (PWM) and phase shift is applied to high voltage gain quasi-switched boost inverter (HG-qSBI), which enlarges its voltage gain and provides soft switching for its switches.
Farhad Abbasi Aghdam Meinagh +3 more
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