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Journal articles on the topic 'Modified U-Cell inverter'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Shojaei, Ali, Bahram Najafi, and Hani Vahedi. "Standalone Operation of Modified Seven-Level Packed U-Cell (MPUC) Single-Phase Inverter." Electronics 8, no. 3 (2019): 268. http://dx.doi.org/10.3390/electronics8030268.

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In this paper the standalone operation of the modified seven-level Packed U-Cell (MPUC) inverter is presented and analyzed. The MPUC inverter has two DC sources and six switches, which generate seven voltage levels at the output. Compared to cascaded H-bridge and neutral point clamp multilevel inverters, the MPUC inverter generates a higher number of voltage levels using fewer components. The experimental results of the MPUC prototype validate the appropriate operation of the multilevel inverter dealing with various load types including motor, linear, and nonlinear ones. The design considerati

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2

Sumathi, R., and V. Sankari. "Modified U-Cell Inverter using Advanced Process Controller for Photovoltaic Applications." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 3 (2020): 3553–56. https://doi.org/10.35940/ijeat.C6287.029320.

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This paper proposes a single phase modified seven level U-Cell inverter configurations in which the advanced process controller has been implemented. By using the boost operation the output of the inverter will produce higher output voltage when compared to the maximum DC source value used. To obtain maximum power the designed inverter is implemented with the photovoltaic system where the power is produced from two different PV panels which is connected to DC link by using DC-DC converters. The semiconductor switches and DC links are used to generate the inverter AC output voltages with seven

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3

Vahedi, Hani, Mohammad Sharifzadeh, and Kamal Al-Haddad. "Modified Seven-Level Pack U-Cell Inverter for Photovoltaic Applications." IEEE Journal of Emerging and Selected Topics in Power Electronics 6, no. 3 (2018): 1508–16. http://dx.doi.org/10.1109/jestpe.2018.2821663.

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4

Krishnamoorthy, Umapathi, Ushaa Pitchaikani, Eugen Rusu, and Hady H. Fayek. "Performance Analysis of Harmonic-Reduced Modified PUC Multi-Level Inverter Based on an MPC Algorithm." Inventions 8, no. 4 (2023): 90. http://dx.doi.org/10.3390/inventions8040090.

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Renewable and distributed energy generation includes wind turbines, fuel cells, solar cells, and batteries. These distributed energy sources need special power converters in order to connect them to the grid and make the generated power available for public use. Solar energy is the most readily available energy source; hence, if utilized properly, it can power up both domestic and industrial loads. Solar cells produce DC power, and this should be converted to an AC source with the help of inverters. A multi-level inverter for an application is selected based on a trade-off between cost, comple

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5

Iqbal, Hasan, and Arif Sarwat. "Design and Implementation of Hybrid GA-PSO-Based Harmonic Mitigation Technique for Modified Packed U-Cell Inverters." Energies 18, no. 1 (2024): 124. https://doi.org/10.3390/en18010124.

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Multilevel inverters have gained importance in modern power systems during the last few years because of their high power quality with lower THD. Various topologies developed include the packed U-cell inverter and its different modified versions that have emerged as a compact and efficient solution to distributed energy systems. Most of the available harmonic mitigation techniques, that is, passive filtering and individual optimization techniques, which include GA and PSO, are susceptible to a variety of shortcomings regarding their inherent complexity and inefficiency; hence, finding an appro

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6

Bou-Rabee, Mohammed A., Kaif Lodi, M. Nasir Bashir, and Imad E. AlBalaa. "A New ANN-Based Controller with Variable Frequency for a 12-Switches Cascaded Modified Packed U-Cell Inverter." International Review of Electrical Engineering (IREE) 17, no. 5 (2022): 470. http://dx.doi.org/10.15866/iree.v17i5.21761.

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7

Harbi, Ibrahim, Mohamed Abdelrahem, Mostafa Ahmed, and Ralph Kennel. "Reduced-Complexity Model Predictive Control with Online Parameter Assessment for a Grid-Connected Single-Phase Multilevel Inverter." Sustainability 12, no. 19 (2020): 7997. http://dx.doi.org/10.3390/su12197997.

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This paper proposes a finite control set model predictive control (FCS-MPC) with a reduced computational burden for a single-phase grid-connected modified packed U-cell multilevel inverter (MPUC-MLI) with two control objectives: reference current tracking and switching frequency minimization. The considered competitive topology consists of two units with six active switches and two DC sources in each unit, allowing the generation of 49 levels in the output voltage, which is considered a significant reduction in the active and passive components compared to the conventional and recently develop

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8

Iqbal, Hasan, Mohd Tariq, Mohammad Sarfraz, et al. "Selective harmonic mitigation based two-scale frequency control of cascaded modified packed U-Cell inverters." Energy Reports 8 (November 2022): 1009–20. http://dx.doi.org/10.1016/j.egyr.2022.10.180.

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9

Abdalla, Mahmoud A., Abdullah A. Al-Mohamadi, and Ibrahim S. Mohamed. "A miniaturized dual band EBG unit cell for UWB antennas with high selective notching." International Journal of Microwave and Wireless Technologies 11, no. 10 (2019): 1035–43. http://dx.doi.org/10.1017/s1759078719000710.

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AbstractA high selective dual band and miniaturized electromagnetic band gap (EBG) unit cell is presented in this paper. The analysis and characterization of the new cell are explained. The modified compact EBG unit cell is based on cutting two inverted U-shaped slots inside the typical mushroom-like EBG. The modified EBG has a 70% size reduction. The dual-band functionality of the structure is confirmed by applying it in a dual-notch ultra-wideband antenna (3.1–10.6 GHz), and the notch frequencies are 5.2 and 5.8 GHz. The dual-band functionality has advantages of a highly selective bandpass b

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10

Li, Guohua, Yibo Wang, and Zhenfang Fu. "Modified Multiverse Optimizer Selective Harmonic Elimination for Five-Level Modified Packed U-Cells Inverter and Analysis of Motor Torque Ripple Suppression." Mathematical Problems in Engineering 2022 (September 30, 2022): 1–12. http://dx.doi.org/10.1155/2022/8397836.

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A selective harmonic elimination method of modified packed u-cells (MPUC) inverter fed induction motor built on modified multiverse optimizer (MMVO) algorithm is put forward. The proposed method adopts the MMVO algorithm to search the optimal solution in the SHEPWM equations through the two processes of exploring the optimal solution distribution and exploiting the optimal solution within it. On this basis, the influence of the different orders of power supply harmonics eliminated selectively on the motor’s torque ripple is compared and analyzed by using the Simulink and MAXWELL. From the resu

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11

Fouda, Sherouk, Marwa S. Salem, Ahmed Saeed, Ahmed Shaker, M. Abouelatta, and M. Abou El-Ela. "Harmonizing power systems with a 13-level modified Packed U-Cells multi-level inverter: Design and implementation." Alexandria Engineering Journal 96 (June 2024): 156–75. http://dx.doi.org/10.1016/j.aej.2024.04.002.

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12

Costa, Henrique Eloi, Margarida Lorigo, and Elisa Cairrao. "Bisphenol A Exposure Modifies the Vasoactive Response of the Middle Cerebral Artery." International Journal of Molecular Sciences 26, no. 8 (2025): 3896. https://doi.org/10.3390/ijms26083896.

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Bisphenol A (BPA) is the most used widely synthetic compound for the manufacture of polycarbonate plastics and epoxy resins produced worldwide. Given its androgenic and estrogenic activities, BPA is an endocrine disruptor that is linked to neurological and vascular outcomes, including strokes. Therefore, this study aims to investigate the mechanisms by which a 24 h exposure to BPA (0.002–20 μM) modifies the contractile function of rat middle cerebral artery (MCA) smooth muscle cells (SMCs). Thus, MCA explants were isolated from Wistar rats, and the SMC-MCA vasoactive response was assessed usin

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13

Abdullah, Murdani, Dimas R. Noor, Hasan Maulahela, and Saskia Aziza Nursyirwan. "Circulating tumor cells isolated from colorectal cancer patients can form spheroids spontaneously: a small study in Ciptomangunkusumo Hospital, Indonesia." F1000Research 11 (January 21, 2022): 75. http://dx.doi.org/10.12688/f1000research.73414.1.

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Background: Circulating Tumor Cells (CTC) are tumor cells that have been separated from the primary site and enter the blood or lymphatic circulation of cancer patients. CTCs are known to have tumorigenic properties and are thought to have a relationship with metastasis. One of the tests that can be used to assess tumorigenesis is the spheroid formation test. This study was conducted to determine CTCs’ ability to form spheroids. Methods: A 1 ml sample of blood was taken from two patients with metastatic colorectal cancer and placed in separate heparin tubes. The CTCs were then isolated using t

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14

Shi, Qizhen, Jeremy G. Mattson, Scot A. Fahs, and Robert R. Montgomery. "The Severe Spontaneous Bleeding Phenotype in a Novel Hemophilia a Rat Model with an Inversion Mutation Is Rescued By Platelet-Targeted FVIII Expression." Blood 132, Supplement 1 (2018): 219. http://dx.doi.org/10.1182/blood-2018-99-112165.

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Abstract Previous studies by our group and others have demonstrated that platelet targeted FVIII expression can rescue the bleeding phenotype in hemophilia A (HA) mice in both the inhibitor and non-inhibitor models. The clinical efficacy has been further proven in a dog HA non-inhibitor model. While these are informative, neither the canine nor mouse model entirely mimic human disease because 1) neither HA mice nor dogs exhibit the frequent spontaneous bleeding in severe HA patients, and 2) canine platelets do not contain FVIII carrier protein VWF and therefore store and release FVIII differen

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15

"Modified U-Cell Inverter using Advanced Process Controller for Photovoltaic Applications." International Journal of Engineering and Advanced Technology 9, no. 3 (2020): 3553–56. http://dx.doi.org/10.35940/ijeat.c6287.029320.

Full text

Abstract:

This paper proposes a single phase modified seven level U-Cell inverter configurations in which the advanced process controller has been implemented. By using the boost operation the output of the inverter will produce higher output voltage when compared to the maximum DC source value used. To obtain maximum power the designed inverter is implemented with the photovoltaic system where the power is produced from two different PV panels which is connected to DC link by using DC-DC converters. The semiconductor switches and DC links are used to generate the inverter AC output voltages with seven

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16

Rehman, Haroon, Mohammad Fahad, Adil Sarwar, Mohd Tariq, and Chang‐Hua Lin. "Performance evaluation of five‐level packed U‐cell inverter and its fault‐tolerant variants." International Journal of Circuit Theory and Applications, September 14, 2023. http://dx.doi.org/10.1002/cta.3803.

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SummaryIn the power electronics industry, reliability is of utmost importance to manufacturers. Power semiconductor devices are extensively utilized in multilevel inverters (MLIs), which results in increased failure probability. MLI structures have a significant impact on the system's overall reliability. MLIs with a high degree of reliability reduce system maintenance costs and improve efficiency and the life of the entire system. This paper presents a comprehensive evaluation of five‐level packed U‐cell (PUC5) inverter, modified five‐level PUC (MPUC5) inverter, and their fault‐tolerant (FT)

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17

Ebrahimi, Faizulddin, Novie Ayub Windarko, and Agus Indra Gunawan. "Minimizing Total Harmonic Distortion of 7-Level Packed U-Cell Multilevel Inverter Using Whale Optimization Algorithm." Indonesian Journal of Computer Science 12, no. 6 (2023). http://dx.doi.org/10.33022/ijcs.v12i6.3507.

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This paper presents an innovative study introducing a novel design for a single-phase, 7-level inverter. The design combines the modified pulse width modulation (MPWM) technique with the compact packed U-cell (PUC) topology. We evaluate this inverter's performance through comprehensive simulations in the MATLAB Simulink software. Multi-level inverter (MLI) technology is crucial for high-power, medium-voltage energy control. However, using numerous semiconductor switches in traditional MLI setups poses challenges at higher voltage levels, including increased size, costs, and losses. To address

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18

Phukan, Hillol, Tamiru Debela, and Jiwanjot Singh. "A modified seven-level cross-connected PUC boost multilevel inverter with reduced cost factor and device count." International Journal of Emerging Electric Power Systems, September 16, 2022. http://dx.doi.org/10.1515/ijeeps-2022-0141.

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Abstract The device count (dC) and cost factor (CF) with the boosting feature are the main challenges in the packed u-cell multilevel inverters as the number of levels are increased in the output voltage. In this paper, to mitigate these problems, a new topology of a 7-level modified packed u-cell boost multilevel inverter (PUC-BMLI) is designed to improve the cost factor and device count. Further, it can be used for a wide range of switching frequencies since only one capacitor is required and the voltage across the capacitor is balanced. To generate a 7-level stepped-up voltage across the lo

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19

Muthukuri, Narendra Kumar, and Subbarao Mopidevi. "Analysis of a Modified Switching Pattern for Packed U Cell-15 Inverter Topology with Advanced Level Shift Carrier Pulse Width Modulation Techniques." Electrica, May 21, 2021. http://dx.doi.org/10.5152/electrica.2021.20082.

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20

Sherif, Mohamed A., Samuel A. Neymotin, and William W. Lytton. "In silico hippocampal modeling for multi-target pharmacotherapy in schizophrenia." npj Schizophrenia 6, no. 1 (2020). http://dx.doi.org/10.1038/s41537-020-00109-0.

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Abstract Treatment of schizophrenia has had limited success in treating core cognitive symptoms. The evidence of multi-gene involvement suggests that multi-target therapy may be needed. Meanwhile, the complexity of schizophrenia pathophysiology and psychopathology, coupled with the species-specificity of much of the symptomatology, places limits on analysis via animal models, in vitro assays, and patient assessment. Multiscale computer modeling complements these traditional modes of study. Using a hippocampal CA3 computer model with 1200 neurons, we examined the effects of alterations in NMDAR

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21

sprotocols. "Cell volume and geometric parameters determination in living cells using confocal microscopy and 3D reconstruction." January 18, 2015. https://doi.org/10.5281/zenodo.14012.

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Authors: David Hevia, Aida Rodriguez-Garcia, Marta Alonso-Gervós, Isabel Quirós-González, Henar M Cimadevilla, Carmen Gómez-Cordovés, Rosa M Sainz & Juan C Mayo ### Abstract The protocol reported here describes a simple, easy, fast and reproducible method aimed to know the geometric parameters of living cells based on confocal laser scanning microscopy combined with 3D reconstruction software. Briefly, the method is based on intrinsic fluorescence properties of acridine orange (AO), a molecule taken up by living adherent cells. Dual binding of AO to either DNA or RNA allows complete staini

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22

sprotocols. "Reprogramming human amniotic fluid stem cells to functional pluripotency by manipulation of culture conditions." January 9, 2015. https://doi.org/10.5281/zenodo.13860.

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Authors: Dafni Moschidou & Pascale V Guillot ### Abstract Pluripotent stem cells have potential applications in regenerative medicine, disease modelling and drug screening. Induced pluripotent stem (iPS) cells have first been generated from fibroblasts using retroviral insertion of OCT4A, SOX2, c-MYC and KLF4. Since then, a number of methods have been developed to avoid the random integration of ectopic factors in the genome and the low efficiency of the process. Those include alternative integrating, non-integrating, excisable and DNA-free systems, but they all present challenges that pre

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23

sprotocols. "High-Magnification In Vivo Imaging of Xenopus Embryos for Cell and Developmental Biology." December 30, 2014. https://doi.org/10.5281/zenodo.13624.

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Authors: Esther K. Kieserman, Chanjae Lee, Ryan S. Gray, Tae Joo Park and John B. Wallingford Corresponding author ([wallingford@mail.utexas.edu](wallingford@mail.utexas.edu)). ### INTRODUCTION Embryos of the frog *Xenopus laevis* are an ideal model system for in vivo imaging of dynamic biological processes, from the inner workings of individual cells to the reshaping of tissues during embryogenesis. Their externally developing embryos are more amenable to in vivo analysis than internally developing mammalian embryos, and the large size of the embryos make them particularly suitable for time-l

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