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Evi Keramida, George Souliotis, Spyridon Vlassis and Fotis Plessas
This paper presents a novel inductorless dual-mode buck-boost charge pump (CP) based DC-DC converter. The proposed architecture allows the same circuit to accomplish two modes of operation, buck and boost, for degrading or elevating the output voltage, r...
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Ridha D. N. Aditama, Naqita Ramadhani, Tri Ardriani, Jihad Furqani, Arwindra Rizqiawan and Pekik Argo Dahono
Raising the electrification ratio to 100% is still a formidable challenge in Indonesia, especially in the remote areas of the eastern part of the archipelago. A DC microgrid system is one of the most viable solutions to increase the electricity supply in...
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Ensheng Zhao, Yang Han, Hao Zeng, Luqiao Li, Ping Yang, Congling Wang and Amr S. Zalhaf
Hybrid DC microgrid clusters contain various types of converters such as BOOST, BUCK, and bidirectional DC/DC converters, making the control strategy complex and difficult to achieve plug-and-play. The common master?slave hierarchical control strategy ma...
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Sandra Aragon-Aviles, Arvind H. Kadam, Tarlochan Sidhu and Sheldon S. Williamson
Different factors affect solar photovoltaic (PV) systems by decreasing input energy and reducing the conversion efficiency of the system. One of these factors is the effect of snow cover on PV panels, a subject lacking sufficient academic research. This ...
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Seok-Hyeong Ham, Yoon-Geol Choi, Hyeon-Seok Lee, Sang-Won Lee, Su-Chang Lee and Bongkoo Kang
This paper proposes a bidirectional dc?dc converter for residential micro-grid applications. The proposed converter can operate over an input voltage range that overlaps the output voltage range. This converter uses two snubber capacitors to reduce the s...
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Pengyu Qiao and Hao Sun
There are uncertainties and disturbances in the DC-DC buck converters system; in terms of actual working conditions, they are often very complex, exhibiting a polynomial form of time series. Therefore, a single controller and an observer that can only es...
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Karol Tatar, Piotr Chudzik and Piotr Lesniewski
The employment of input filters in modern DC?DC converters is mandatory in order to ensure EMC (Electro-Magnetic Compatibility), provide power electronics with decent voltage and minimize the converter influence on the power grid. The LC type input filte...
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Nikolay Hinov and Tsvetana Grigorova
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...
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Martin A. Alarcón-Carbajal, José E. Carvajal-Rubio, Juan D. Sánchez-Torres, David E. Castro-Palazuelos and Guillermo J. Rubio-Astorga
This paper presents a discrete-time output feedback controller to regulate the output voltage of a DC-DC buck converter. The proposal?s main feature is the application of a discrete-time equivalent of the robust exact filtering differentiator. First, the...
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Noass Kunstbergs, Hartmut Hinz, Nigel Schofield and Dennis Roll
Fuel cell hybrid vehicles represent an alternative to battery electric vehicles and will gain importance in the future as they do not need large battery capacities and thus require less critical raw materials. Depending on the electric architecture, the ...
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Walid Emar, Haitham Issa, Hasan Kanaker, Osama Fares and Hani Attar
In addition to their conventional use in electric motor drives, DC-DC converters have a variety of other uses, such as energy storage, energy conversion, cyber security systems, uninterruptible power supplies, and renewable energy systems. An innovative ...
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Mauricio Dalla Vecchia, Giel Van den Broeck, Simon Ravyts and Johan Driesen
This paper explores and presents the application of the Inductor?Diode and Inductor-Capacitor-Diode structures in a DC?DC step-down configuration for systems that require voltage adjustments. DC micro/picogrids are becoming more popular nowadays and the ...
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Fredy Edimer Hoyos Velasco,Simeón Casanova Trujillo,Darío Del Cristo Vergara Pérez
Pág. 144 - 153
Como dispositivos electrónicos conmutados podemos destacar los convertidores elevador (boost) y reductor (buck), cada uno con su respectiva configuración y aplicaciones en electrónica de potencia. El modelo matemático del convertidor boost se repre...
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Klaus Röbenack and Stefan Palis
The classical buck converter is a very common DC?DC converter, which reduces an higher input supply voltage to a lower output load voltage. Replacing the inductor and the capacitor by a transmission line, we obtain a distributed buck converter, which can...
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Xuelian Xiao, Jianguo Lv, Yuhua Chang, Jinzhou Chen and Hongwen He
Proton exchange membrane fuel cells (PEMFC) are considered a promising solution for renewable energy application. To meet industrial requirements, the power source consisting of PEMFC is required to be power regulator to generate a stable and desired cur...
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Ileana González, Antonio Sánchez-Squella, Diego Langarica-Cordoba, Fernando Yanine-Misleh and Victor Ramirez
This paper solves the buck?boost converter operation problem in the discontinuous conduction mode and the feeding a DC bus of a combined battery/solar-powered electric vehicle grid. Since the sun?s radiation has a very important effect on the performance...
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Stefania Cuoghi, Riccardo Mandrioli, Lorenzo Ntogramatzidis and Grandi Gabriele
This paper presents the modeling and the implementation of the digital control of a multileg interleaved DC-DC buck converter for electrical vehicle (EV) charging. Firstly, we derive a discrete averaged model of an n-leg interleaved buck converter (IBC)....
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Md Ohirul Qays, Yonis Buswig, Md Liton Hossain and Ahmed Abu-Siada
Charging a group of series-connected batteries of a PV-battery hybrid system exhibits an imbalance issue. Such imbalance has severe consequences on the battery activation function and the maintenance cost of the entire system. Therefore, this paper propo...
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Kamran Ali, Laiq Khan, Qudrat Khan, Shafaat Ullah, Saghir Ahmad, Sidra Mumtaz, Fazal Wahab Karam and Naghmash
A photovoltaic system generates energy that depends on the environmental conditions such as temperature, irradiance and the variations in the load connected to it. To adapt to the consistently increasing interest of energy, the photovoltaic (PV) system m...
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Zhiyu You, Liwei Wang, Ying Han and Firuz Zare
Electric forklifts, dominantly powered by lead acid batteries, are widely used for material handling in factories, warehouses, and docks. The long charging time and short working time characteristics of the lead acid battery module results in the necessi...
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