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Weiqiang Liao, Xin Dong, Rongfeng Yang and Zhongfei Qiao
In response to the constant power negative impedance characteristics on the load side of a ship DC microgrid, leading to voltage oscillation issues in the DC bus, this paper proposes a control optimization method based on impedance reshaping using bus vo...
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Jelena Lovric Vrankovic, Ivica Boko, Ivana Uzelac Glavinic, Neno Toric and Mario Abramovic
This paper presents the results of an experimental investigation of glued laminated timber (glulam) beams made from European hornbeam (Carpinus betulus L.) under constant loading for three months. Glulam beams were experimentally tested as a part of the ...
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Zbigniew Jarosz, Magdalena Kaplan, Kamila Klimek, Barbara Dybek, Marcin Herkowiak and Grzegorz Walowski
This article presents examples of cogeneration systems, which are standard equipment for biogas installations, based on the production of heat and electricity. It has been shown that in the case of microgeneration, ease of servicing and low installation ...
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Dawid Tatarynow, Rafal Longwic, Przemyslaw Sander, Lukasz Zielinski, Michal Trojgo, Wincenty Lotko and Pawel Lonkwic
This article discusses current testing methods for motor vehicle engines. Traction engines have so far been tested, for example, according to WLTP (Worldwide Harmonized Light Vehicle Test Procedure) driving tests, but due to the ?VW?gate? incident, these...
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Srilakshmi Koganti, Krishna Jyothi Koganti and Surender Reddy Salkuti
Nowadays, the integration of renewable energy sources such as solar, wind, etc. into the grid is recommended to reduce losses and meet demands. The application of power electronics devices (PED) to control non-linear, unbalanced loads leads to power qual...
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Nouha Dkhili, Julien Eynard, Stéphane Thil and Stéphane Grieu
In a context of accelerating deployment of distributed generation in power distribution grid, this work proposes an answer to an important and urgent need for better management tools in order to ?intelligently? operate these grids and maintain quality of...
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José Robinson Ortiz-Castrillón, Gabriel Eduardo Mejía-Ruiz, Nicolás Muñoz-Galeano, Jesús María López-Lezama and Juan Bernardo Cano-Quintero
This paper proposes a new sliding surface for controlling a Semi-Bridgeless Boost Converter (SBBC) which simultaneously performs Power Factor Correction (PFC) and DC bus regulation. The proposed sliding surface is composed of three terms: First, a normal...
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Weichao Zhang, Xiangwu Yan and Hanyan Huang
Renewable generation brings both new energies and significant challenges to the evolving power system. To cope with the loss of inertia caused by inertialess power electronic interfaces (PEIs), the concept of the virtual synchronous generator (VSG) has b...
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Volodymyr Korohodskyi,Sviatoslav Kryshtopa,Vasiliy Migal,Andrii Rogovyi,Andrii Polivyanchuk,Georgiy Slyn?ko,Volodymyr Manoylo,Oleh Vasylenko,Oleksandr Osetrov
Pág. 39 - 52
An operating process for engines with spark ignition and direct fuel injection engines which ensures the formation of a stratified lean fuel-air charge under the modes of partial loads and the power composition of the fuel-air mixture at high loads has b...
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Vadim Chumack,Serhii Tsyvinskyi,Mykhailo Kovalenko,Alexej Ponomarev,Ihor Tkachuk
Pág. 30 - 36
The generators of classical design ? with a cylindrical stator and rotor ? are of interest. This is predetermined by that a given structure is the most common, simple, and technological. The result of the development of such electric machines is a possib...
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