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Journal articles on the topic 'B4 inverter'

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1

Torán, Enric, Marian Liberos, Iván Patrao, Raúl González-Medina, Gabriel Garcerá, and Emilio Figueres. "Performance Evaluation of the B4 Topology for Implementing Grid-Connected Inverters in Microgrids." Electronics 13, no. 9 (2024): 1755. http://dx.doi.org/10.3390/electronics13091755.

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The B4 topology is an interesting alternative to the conventional B6 inverter due to its reduced number of parts and lower cost. Although it has been widely used in the past, especially in low-power motor drive applications, its application as a grid-connected inverter is an open area of research. In this regard, this paper analyses the feasibility of the B4 inverter topology for grid-connected applications. A versatile 7 kW inverter prototype, which may be configured as B4 and B6, was built, allowing for a comprehensive evaluation of the performance of both topologies. Through an analytical s
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2

Mustafar, Izni, Naziha A. Azli, and Norjulia M. Nordin. "A new space vector modulation technique for quasi Z-source B4 inverter." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 4 (2020): 1890. http://dx.doi.org/10.11591/ijpeds.v11.i4.pp1890-1898.

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A Quasi Z-Source (qZS) network has been utilized in a B4 inverter topology to provide voltage boosting effect by turning on the upper and lower switches simultaneously which is known as zero shoot-through states. However, the design of a qZS B4 inverter is not as straightforward as adding a qZS LC impedance network to the front-end of a B4 inverter. This is because there is no zero vectors available in a B4 inverter topology to insert the shoot through zero states, as in the case of a B6 inverter. This paper proposes a new Space Vector Modulation (SVM) technique for a qZS B4 inverter. Addition
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3

Izni, Mustafar, A. Azli Naziha, and M. Nordin Norjulia. "A new space vector modulation technique for quasi Z-source B4 inverter." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 4 (2020): 1890–98. https://doi.org/10.11591/ijpeds.v11.i4.pp1890-1898.

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A Quasi Z-Source (qZS) network has been utilized in a B4 inverter topology to provide voltage boosting effect by turning on the upper and lower switches simultaneously which is known as zero shoot-through states. However, the design of a qZS B4 inverter is not as straightforward as adding a qZS LC impedance network to the front-end of a B4 inverter. This is because there are no zero vectors available in a B4 inverter topology to insert the shoot through zero states, as in the case of a B6 inverter. This paper proposes a new Space Vector Modulation (SVM) technique for a qZS B4 inverter. Additio
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4

Anitha, Golkonda, Krishnaveni Kondreddi, and Guduri Yesuratnam. "A new modified B4 inverter using SRF controller with SVPWM technique for grid-connected PV system." Indonesian Journal of Electrical Engineering and Computer Science 38, no. 3 (2025): 1411. https://doi.org/10.11591/ijeecs.v38.i3.pp1411-1421.

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The integration of renewable power sources into the grid presents a complex challenge, as the grid operates at AC voltage, while photovoltaic (PV) arrays generate DC power. A 3-phase inverter synchronizes with the grid’s voltage and frequency for efficient energy integration. In conventional technique, a 3-ph 6-switch (B6) inverter is used for sharing the power to the grid. In this paper reduced switch count 3-ph 4-switch (B4) inverter topology is introduced with reduced power losses. This topology has 4 insulated gate bipolar transistor (IGBT) switches and two capacitors replacing the other 2
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5

Masmoudi, Mourad, Bassem El Badsi, and Ahmed Masmoudi. "DTC of B4-Inverter-Fed BLDC Motor Drives With Reduced Torque Ripple During Sector-to-Sector Commutations." IEEE Transactions on Power Electronics 29, no. 9 (2014): 4855–65. http://dx.doi.org/10.1109/tpel.2013.2284111.

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6

Can, Erol. "The Application of Multi-Phase Power Distribution Line with Pure Energy Conversion." Jurnal Kejuruteraan 31, no. 2 (2019): 193–99. http://dx.doi.org/10.17576/jkukm-2019-31(2)-02.

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This paper discusses the power transmission of a six-phase power line with a six-phase LPWM inverter. The 20 km long line with six-phase is formed to be fed from the 6-phase multi-level inverter. The structure of the line and the elements of the power line are given in the design phase. After that, mathematical analysis of the power line is done to present information on the line structure and the relationship between the variables of the line. In the application stage, the described line is operating in Matlab Simulink. The input voltage of the line, the voltage of the RC parallel filter on t
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7

Ali, Rahnamaei, and Salimi Mahdi. "A Novel Grid Connected Photovoltaic System." Bulletin of Electrical Engineering and Informatics 5, no. 2 (2016): 133–43. https://doi.org/10.11591/eei.v5i2.523.

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Inthispaper, a novel grid connected photovoltaic system is proposed which can function as an Active Power Filter (APF) with Maximum Power Point Tracking (MPPT). Filter reference current is derived using Fourier Transform. Considering 33% reduction in inverter switches, cost of the grid-connect photovoltaic power plant can be reduced considerably. Using this approach, it is also possible to compensate for reactive and harmonic components of the local loads; moreover it can inject generated active power into grid at maximum power point of the photovoltaic cells. According to this, during daytime
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8

Shanmugam, S. Sathish Kumar, and R. Meena Kumari. "Design and Implementation of Modified Buck Boost Converter Fed B4 Inverter for Brushless Dc motor Drive using Low Cost DSPIC Controller." Asian Journal of Research in Social Sciences and Humanities 6, no. 10 (2016): 1079. http://dx.doi.org/10.5958/2249-7315.2016.01074.1.

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9

Shanmugam, Sathish Kumar, Sasikala Ramachandran, SenthilKumar Arumugam, Sanjeevi Pandiyan, Anand Nayyar, and Eklas Hossain. "Design and Implementation of Improved Three Port Converter and B4-Inverter Fed Brushless Direct Current Motor Drive System for Industrial Applications." IEEE Access 8 (2020): 149093–112. http://dx.doi.org/10.1109/access.2020.3016011.

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10

Shanmugam, Sathish Kumar, Senthilkumar Arumugam, Gowtham Palanirajan, Meenakumari Ramachandran, and Krishna Kumar Kanagaraj. "Implementation of solar photovoltaic array and battery powered enhanced DC-DC converter using B4-inverter fed brushless DC motor drive system for agricultural water pumping applications." Journal of Vibroengineering 20, no. 2 (2018): 1214–33. http://dx.doi.org/10.21595/jve.2018.19449.

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11

Lee, Dong-Myung. "Performance Improvement of B4 Inverters by Adding Compensation Voltage." Transactions of the Korean Institute of Power Electronics 18, no. 1 (2013): 110–16. http://dx.doi.org/10.6113/tkpe.2013.18.1.110.

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12

Lee, Dong-Myung, Jae-Bum Park, and Hamid A. Toliyat. "A Simple Current Ripple Reduction Method for B4 Inverters." Journal of Electrical Engineering and Technology 8, no. 5 (2013): 1062–69. http://dx.doi.org/10.5370/jeet.2013.8.5.1062.

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13

McKay, Shawn P., Lucie Gr??goire, Fulvio Lonardo, Patrick Reidy, Robert H. Mathog, and Wayne D. Lancaster. "Human Papillomavirus (HPV) Transcripts in Malignant Inverted Papilloma are from Integrated HPV DNA." Laryngoscope 115, no. 8 (2005): 1428–31. http://dx.doi.org/10.1097/01.mlg.0000168091.50584.b4.

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14

Lilly Jiménez, Eduardo Francisco Javier, and Cristian Ruiz Espinosa. "Alternativas de inversión para los trabajadores afiliados al IMSS: AFORE vs CETES." Memorias del Concurso Lasallista de Investigación, Desarrollo e innovación 6, no. 1 (2019): 57–61. https://doi.org/10.26457/mclidi.v6i1.2072.

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Es conocido que el gobierno mexicano ha tenido muchos problemas para mantener en funcionamiento el sistema de pensiones. Es importante que la sociedad conozca alternativas de inversión que le permitan obtener un ahorro mayor al momento de su jubilación. Esta investigación atiende el tercer objetivo de desarrollo sostenible de la OCDE: “Garantizar una vida sana y promover el bienestar para todos en todas las edades”, pues al contrastar la inversión realizada por las SIEFORES del dinero de un contribuyente (SIEFORE B4) con una inversión libre de riesgo de Certificados de la Tesorería de la Feder
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15

Salazar, Camilo Chará, Andrés Andrade Eraso, Nelson Adolfo López, María Virginia Pinzón, and Valentina Patiño. "P061 AMBULATORY BLOOD PRESSURE MONITORING (ABPM) CHARACTERIZATION IN PATIENTS CONSULTING A CARE CENTER IN THE CITY OF POPAYÁN, COLOMBIA BETWEEN JANUARY 2019 AND JUNE 2021." Journal of Hypertension 42, Suppl 3 (2024): e77. http://dx.doi.org/10.1097/01.hjh.0001063116.63644.b4.

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Background: Ambulatory blood pressure monitoring (ABPM) provides important information on the circadian behavior of this variable. This measure provides different phenotypes that can be analyzed in more depth than office blood pressure measurement. Several associations have been identified between altered circadian phenotypes, such as non dipper, and adverse cardiovascular outcomes, such as cardiovascular mortality, coronary heart disease, cerebrovascular disease, chronic kidney disease, and hospitalization for heart failure. To date, the behavior of blood pressure according to the MAPA is unk
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16

Ouarda, Ameni, Bassem El Badsi, and Ahmed Masmoudi. "Direct RFOC Strategies Aimed to Symmetrical Two-Phase IM Drives: Comparison Between B4- and B6-Inverters in the Stator." IEEE Transactions on Power Electronics 33, no. 11 (2018): 9772–82. http://dx.doi.org/10.1109/tpel.2018.2795644.

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17

Valiyan Holagh, Hossein, Tooraj Abbasian Najafabadi, and Hossein Safamehr. "An adaptive, observer-based switching method for B4 inverters feeding three-phase induction motors." International Journal of Emerging Electric Power Systems, May 27, 2021. http://dx.doi.org/10.1515/ijeeps-2021-0061.

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Abstract A four-switch inverter called the B4 inverter is a reconfigured topology of a B6 inverter, one leg of which is damaged. The four-switch topology provides the overall system with fault-tolerant characteristics. However, this reconfiguration will not only change the system dynamics but also degrade the system performance. For overcoming with these issues, this paper presents an adaptive switching method based on DC-link voltage control. In the proposed method, the selection of active vectors and the calculation of switching times are made according to an adaptive, observer-based algorit
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18

Sabry, Noha, El-Sabbagh S.M, Aly F. Mohamed, Hanaa M. Salama, Mohammed Yosri, and Basma H. Amin. "In vitro and In silico Assessment of the Antiviral Potential of Green Tea, Green Coffee, Pomegranate Peel, and Orange Peel." Recent Advances in Anti-Infective Drug Discovery 19 (September 2, 2024). http://dx.doi.org/10.2174/0127724344313315240809093115.

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Background: Viral infections pose a great burden for humankind and many viruses have no effective treatments. Hepatitis A Virus (HAV) and Coxsackie-B4 (Cox- B4) are common viruses having many drawbacks. Using plant extracts as antiviral agents is a globally applied approach due to its efficacy and minimal adverse effects. Objective: This study aimed to test the antiviral action of the green coffee extract against HAV and Cox-B4 viruses, assess the possible mechanisms regulating this role, and apply molecular docking to evaluate the connection between bioactive compounds in the green coffee ext
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19

Su, Yong-Zhi, and Wen-Shan Chen. "Multi-Band Antennas for 4G, 5G FR1 and Wi-Fi 6E/7 Bands in Smartwatch Devices." Journal of Electronics and Electrical Engineering, July 24, 2024. http://dx.doi.org/10.37256/jeee.3220244748.

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This article introduces an antenna design for smartwatch applications, with an overall size is 45 × 45 × 5.4 mm3. All antenna elements adopt the IFA (Inverted-F antennas) structures. The application bands include Global Positioning System (GPS), Wi-Fi 6E/7 with 2.4 GHz, 5.2 GHz, 5.8 GHz and 6 GHz bands, 4G LTE (Long Term Evolution) with B2 and B4, 5G n41, n77, n78, n79 bands, covering all Wi-Fi 6E/7 and the mainly bands of 5G FR1 bands. Additionally, this design also reserves a frequency band in the 6G mid-high band (6–9 GHz), ensures that design can be suitable for next generation of wireless
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20

Ruggiero, Melina, Krisztina M. Papp-Wallace, Magdalena A. Taracila та ін. "Exploring the Landscape of Diazabicyclooctane (DBO) Inhibition: Avibactam Inactivation of PER-2 β-Lactamase". Antimicrobial Agents and Chemotherapy 61, № 6 (2017). http://dx.doi.org/10.1128/aac.02476-16.

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ABSTRACT PER β-lactamases are an emerging family of extended-spectrum β-lactamases (ESBL) found in Gram-negative bacteria. PER β-lactamases are unique among class A enzymes as they possess an inverted omega (Ω) loop and extended B3 β-strand. These singular structural features are hypothesized to contribute to their hydrolytic profile against oxyimino-cephalosporins (e.g., cefotaxime and ceftazidime). Here, we tested the ability of avibactam (AVI), a novel non-β-lactam β-lactamase inhibitor to inactivate PER-2. Interestingly, the PER-2 inhibition constants (i.e., k 2/K = 2 × 103 ± 0.1 × 103 M−1
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21

sprotocols. "Multi-parameter assessment of thrombus formation on microspotted arrays of thrombogenic surfaces." December 31, 2014. https://doi.org/10.5281/zenodo.13650.

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Authors: Susanne de Witt, Frauke Swieringa, Judith Cosemans & Johan Heemskerk ### Abstract Thrombus formation by adhering and aggregating blood platelets is fundamental to hemostasis and is a prerequisite for vascular occlusion in pathological thrombosis. The parallel-plate flow chamber technique has been extensively used to measure platelet adhesion and activation in vitro at arterial or venous flow conditions. Here, we describe the use of brightfield and confocal fluorescence microscopy to record the various platelet activation processes contributing to thrombus formation on microspotted
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