Investigation of FACTS devices to improve power quality in distribution networks [PDF]
, 2011 Flexible AC transmission system (FACTS) technologies are power electronic solutions that improve power transmission through enhanced power transfer volume and stability, and resolve quality and reliability issues in distribution networks carrying ...
Rehman Shaikh, Muhammad Asim +1 more
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Design Considerations of Multi-Phase Buck DC-DC Converter
Applied Sciences, 2023 The main objective of this article is to propose a rational methodology for designing multi-phase step-down DC-DC converters, which can find applications both in engineering practice and in power electronics education. This study discusses the main types
Nikolay Hinov, Tsvetana Grigorova
doaj +1 more source
The response of hot wires in high Reynolds-number turbulent pipe flow [PDF]
, 2004 Issues concerning the accuracy of hot-wire measurements in turbulent pipe flow are addressed for pipe Reynolds numbers up to 6 × 106 and hot-wire Reynolds numbers up to Rew ap 250. These include the optimization of spatial and temporal resolution and the
Jiang, W. +4 more
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Precise modelling of switching and conduction losses in cascaded h-bridge multilevel inverters [PDF]
, 2014 Nowadays, voltage source multilevel inverters are being used extensively in industry due to its many advantages, compared to conventional two level inverters, such as higher output voltage at low switching frequency, low voltage stress(dv/dt), lower ...
Alamri, B, Darwish, M
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Voltage regulation considerations for the design of hybrid distribution transformers [PDF]
, 2014 The future substation depends on finding a way to mitigate the effects of the drawbacks of the conventional legacy by employing the efficiency of the solid state switches [1].
Alqarni, M, Darwish, M, Radi, MA
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Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]
, 2015 In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
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IEEE Access, 2023 The neutral-point-clamped (NPC) dual-active-bridge (DAB) converter with hybrid semiconductors (Si and SiC devices) is a promising topology for high-power energy storage systems.
Jiaxin Dong +5 more
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SiC/GaN power semiconductor devices: a theoretical comparison and experimental evaluation under different switching conditions [PDF]
, 2017 The conduction and switching losses of SiC and GaN power transistors are compared in this paper. Voltage rating of commercial GaN power transistors is less than 650V while that of SiC power transistors is less than 1200V.
Acanski M. +12 more
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Analysis of power converters with devices of SiC for applications in electric traction systems [PDF]
, 2016 This article presents the analysis of two topologies of power converters. Voltage Source Inverter (VSI) and Current Source Inverter (CSI) proposals for traction system applications, these topologies are implemented with silicon carbide devices.
Fernández Palomeque, Efrén Esteban +3 more
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Bone Conduction Improvement After Surgery for Conductive Hearing Loss [PDF]
Indian Journal of Otolaryngology and Head & Neck Surgery, 2011 The objective is to evaluate change in post-operative bone conduction in patients who underwent surgery for conductive/mixed hearing loss due to various reasons. The study design is of retrospective case review and tertiary referral center setting. Five-hundred patients with unilateral conductive/mixed hearing loss were divided into five equal groups ...
H, Vijayendra, Bhavin, Parikh
openaire +2 more sources