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Energies, Volume 11, Issue 4

April 2018 - 333 articles

Cover Story: As the demand for electrical devices becomes greater, PFC circuits have attracted attention to control harmonic pollution on the power grid. So far, the conventional PFC control methods have shown limited PFC performance, for example, increasing harmonic distortion depending on load or input voltage variation. To overcome the problem, new control methods have been proposed, which showed better performance, but are relatively complicated. Now, a new modulated carrier control method is proposed to provide high PF and low THD regardless of input voltage range and load variation. This is realized and demonstrated in this paper. View this paper
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Articles (333)

  • Article
  • Open Access
8 Citations
5,942 Views
21 Pages

Installation, Commissioning and Tests of Four Fast Switching Units of up to 20 kA for the JT-60SA Nuclear Fusion Experiment

  • Alessandro Lampasi,
  • Filippo Burini,
  • Giuseppe Taddia,
  • Sandro Tenconi,
  • Makoto Matsukawa,
  • Katsuhiro Shimada,
  • Luca Novello,
  • Antti Jokinen and
  • Pietro Zito

20 April 2018

The nuclear fusion project JT-60SA is presently under construction in Naka (Japan) as a joint collaboration between Europe and Japan, within the framework of the Broader Approach Agreement. According to such agreement, the various JT-60SA systems are...

  • Article
  • Open Access
23 Citations
7,189 Views
19 Pages

Assessment of Collective Production of Biomethane from Livestock Waste for Urban Transportation Mobility in Brazil and the United States

  • Janaina Camile Pasqual,
  • Harry Alberto Bollmann,
  • Christopher A. Scott,
  • Thiago Edwiges and
  • Thais Carlini Baptista

20 April 2018

Water, energy, and food are essential elements for human life, but face constant pressure resulting from economic development, climate change, and other global processes. Predictions of rapid economic growth, increasing population, and urbanization i...

  • Article
  • Open Access
12 Citations
4,894 Views
22 Pages

20 April 2018

Line start permanent magnet synchronous motors (LS-PMSM) are energy-efficient synchronous motors that can start asynchronously due to a squirrel cage in the rotor. The drawback, however, with this motor type is the chance of failure to synchronize af...

  • Article
  • Open Access
24 Citations
10,507 Views
14 Pages

20 April 2018

A new type of high-temperature stable and self-supporting composite separator for lithium-ion batteries was developed consisting of custom-made ultrathin micrometer-sized glass platelets embedded in a glass fiber nonwoven together with a water-based...

  • Article
  • Open Access
19 Citations
5,861 Views
17 Pages

Investigation of Cooling Performances of a Non-Film-Cooled Turbine Vane Coated with a Thermal Barrier Coating Using Conjugate Heat Transfer

  • Prasert Prapamonthon,
  • Soemsak Yooyen,
  • Suwin Sleesongsom,
  • Daniele Dipasquale,
  • Huazhao Xu,
  • Jianhua Wang and
  • Zhaoqing Ke

20 April 2018

The aim of this paper is to numerically investigate cooling performances of a non-film-cooled turbine vane coated with a thermal barrier coating (TBC) at two turbulence intensities (Tu = 8.3% and 16.6%). Computational fluid dynamics (CFD) with conjug...

  • Article
  • Open Access
25 Citations
4,147 Views
15 Pages

20 April 2018

To study the effectiveness of grouting reinforcement on a large heaving floor of the retained goaf-side gateroad (RGSG) at a 900 m depth in the Zhuji coal mine, a numerical model involving strain softening constitutive material was built. First, the...

  • Article
  • Open Access
49 Citations
7,540 Views
39 Pages

A Domestic Microgrid with Optimized Home Energy Management System

  • Zafar Iqbal,
  • Nadeem Javaid,
  • Saleem Iqbal,
  • Sheraz Aslam,
  • Zahoor Ali Khan,
  • Wadood Abdul,
  • Ahmad Almogren and
  • Atif Alamri

20 April 2018

Microgrid is a community-based power generation and distribution system that interconnects smart homes with renewable energy sources (RESs). Microgrid efficiently and economically generates power for electricity consumers and operates in both islande...

  • Article
  • Open Access
21 Citations
6,069 Views
11 Pages

20 April 2018

Hydrodynamic boundary layer is a significant phenomenon occurring in a flow through a bluff body, and this includes the flow motion and mass transfer. Thus, it could affect the biofilm formation and the mass transfer of substrates in microbial fuel c...

  • Article
  • Open Access
8 Citations
6,400 Views
14 Pages

Wave Power as Solution for Off-Grid Water Desalination Systems: Resource Characterization for Kilifi-Kenya

  • Francisco Francisco,
  • Jennifer Leijon,
  • Cecilia Boström,
  • Jens Engström and
  • Jan Sundberg

20 April 2018

Freshwater scarcity is one of humanity’s reoccurring problems that hamper socio-economic development in many regions across the globe. In coastal areas, seawater can be desalinated through reverse osmosis (RO) and transformed into freshwater fo...

  • Article
  • Open Access
13 Citations
4,561 Views
20 Pages

20 April 2018

Data concerning actual temperatures of line conductors constitutes essential information for the power system operator. The temperature of the power lines can be used to improve the accuracy of the power system model, thereby increasing the accuracy...

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Energies - ISSN 1996-1073